26.6.5 Test of handover
3GPP51.010-1Mobile Station (MS) conformance specificationPart 1: Conformance specificationTS
With the Handover procedure, it is possible to completely alter the channels allocated to a MS. This makes it possible in particular to switch a call in progress from one cell to another. The procedure is always initiated by the network and with the MS in a dedicated mode.
Subclauses 26.6.5.1 to 26.6.5.4 contain generic test procedures to be used for executing successful Handover tests. Table 26.6‑1 contains a summary of the different combinations of parameters which have to be tested, together with a reference to the appropriate generic test procedure. If a test uses a channel rate which the MS under test does not support, the test shall be skipped.
Table 26.6‑1
From |
To |
Timing Adv. |
Start Time |
Syn ? |
State of call |
Subclause |
Exec Counter |
TCH/F, no FH |
TCH/F, no FH |
20 |
none |
no |
U10 |
26.6.5.1 |
1 |
TCH/F, no FH |
TCH/F, FH |
arbitrary |
none |
no |
U10 |
26.6.5.1 |
2 |
TCH/F, FH |
TCH/F, no FH |
20 |
1,1s |
no |
U10 |
26.6.5.1 |
3 |
TCH/F, no FH |
TCH/H, FH |
arbitrary |
none |
no |
U10 |
26.6.5.1 |
4 |
TCH/H, FH |
TCH/H, FH |
20 |
1,1s |
no |
U10 |
26.6.5.1 |
5 |
TCH/H, FH |
TCH/H, no FH |
20 |
none |
no |
U10 |
26.6.5.1 |
6 |
TCH/H, no FH |
TCH/H, FH |
arbitrary |
none |
no |
U10 |
26.6.5.1 |
7 |
TCH/H, FH |
TCH/F, no FH |
arbitrary |
none |
no |
U10 |
26.6.5.1 |
8 |
SDCCH/4, no FH |
TCH/F, FH |
20 |
none |
no |
estab |
26.6.5.2 |
1 |
SDCCH/4, no FH |
TCH/H, FH |
20 |
none |
no |
estab |
26.6.5.2 |
2 |
SDCCH/4, no FH |
SDCCH/8, FH |
20 |
none |
no |
estab |
26.6.5.2 |
3 |
SDCCH/8, no FH |
SDCCH/8, FH |
arbitrary |
none |
no |
estab |
26.6.5.2 |
4 |
TCH/F, no FH |
TCH/H, no FH |
20 |
none |
no |
estab |
26.6.5.2 |
5 |
TCH/H, FH |
TCH/F, FH |
20 |
none |
no |
estab |
26.6.5.2 |
6 |
TCH/F, FH |
TCH/F, FH |
arbitrary |
none |
no |
estab |
26.6.5.2 |
7 |
SDCCH/8, FH |
TCH/F, no FH |
20 |
none |
no |
estab |
26.6.5.2 |
8 |
SDCCH/8, no FH |
TCH/F, FH |
20 |
none |
no |
estab |
26.6.5.2 |
9 |
SDCCH/8, no FH |
TCH/H, FH |
arbitrary |
none |
no |
estab |
26.6.5.2 |
10 |
TCH/F, FH |
TCH/F, no FH |
(2k+y) mod 256 |
none |
yes |
U10 |
26.6.5.3 |
1 |
TCH/H, FH |
TCH/H, no FH |
(2k+y) mod 256 |
none |
yes |
U10 |
26.6.5.3 |
2 |
SDCCH/8, FH |
SDCCH/8, FH |
(2k+y) mod 256 |
none |
yes |
estab |
26.6.5.4 |
1 |
SDCCH/8, FH |
SDCCH/4, no FH |
(2k+y) mod 256 |
1,1s |
yes |
estab |
26.6.5.4 |
2 |
TCH/F, no FH |
TCH/F, FH |
(2k+y) mod 256 |
none |
yes |
estab |
26.6.5.4 |
3 |
SDCCH/8, no FH |
TCH/F, no FH |
(2k+y) mod 256 |
none |
yes |
estab |
26.6.5.4 |
4 |
Table 26.6‑2
TCH/FS |
TCH/HS |
SDCCH |
|
n |
10‑20 |
5‑10 |
2‑5 |
In addition to the successful case of Handover, 2 unsuccessful cases shall be tested. These tests are described in subclauses 26.6.5.8 and 26.6.5.9.
26.6.5.1 Handover / successful / active call / non-synchronized
26.6.5.1.1 Conformance requirements
The MS shall correctly apply the handover procedure in the non-synchronized case when a call is in progress and when handover is performed from a TCH/F without frequency hopping towards a TCH/F without frequency hopping.
The MS shall correctly apply the handover procedure in the non-synchronized case when a call is in progress and when handover is performed from a TCH/H without frequency hopping to a TCH/H with frequency hopping. This does not apply to MSs not supporting TCH/H.
References
3GPP TS 04.08 / 3GPP TS 44.018 subclauses 3.4.4 and 9.1.15.
3GPP TS 04.13 subclause 5.2.6.2.
26.6.5.1.2 Test purpose
To test that when the MS is ordered to make a non-synchronized handover it continuously sends access bursts on the main DCCH (and optionally the SACCH) until it receives a PHYSICAL INFORMATION message from the SS. To test that the MS correctly handles the values of any Starting Time IE in the HANDOVER COMMAND message in the case when none of the information elements referring to before the starting time are present. To test that the MS correctly handles the Timing Advance IE in the PHYSICAL INFORMATION message. To test that the MS activates the new channel correctly and transmits the HANDOVER COMPLETE message without undue delay.
26.6.5.1.3 Method of test
Initial Conditions
System Simulator:
2 cells, A and B with same LAI, default parameters except:
Band |
Cell A |
Cell B |
Both Cells |
||
BCCH ARFCN |
Cell Allocation |
BCCH ARFCN |
Cell Allocation |
Format |
|
GSM 450 |
263 |
259, 261, 263, 265, 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, 287, 289, 291 |
274 |
260, 262, 264, 266, 268, 270, 272, 274, 276, 279, 281, 283, 285, 287, 289, 291 |
Range 128 |
GSM 480 |
310 |
306, 308, 310, 312, 314, 316, 318, 320, 322, 324, 326, 328, 330, 332, 334, 336, 338 |
321 |
307, 309, 311, 313, 315, 317, 319, 321, 323, 326, 328, 330, 332, 334, 336, 338 |
Range 128 |
GSM 710 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
Range 128 |
GSM 750 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
Range 128 |
T-GSM 810 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
Range 128 |
GSM 850 |
147 |
137, 144, 147, 153, 161, 169, 172, 173, 179, 186, 193, 200, 201, 202, 203, 235, 241 |
167 |
141, 145, 149, 151, 157, 158, 165, 167, 187, 193, 200, 201, 202, 203, 235, 241 |
Range 128 |
GSM 900 |
20 |
10, 17, 20, 26, 34, 42, 45, 46, 52, 59, 66, 73, 74, 75, 76, 108, 114 |
40 |
14, 18, 22, 24, 30, 31, 38, 40, 60, 66, 73, 74, 75, 76, 108, 114 |
Range 128 |
DCS 1 800 |
747 |
734, 741, 747, 754, 759, 762, 766, 767, 773, 775, 779, 782, 791, 798, 829, 832, 844 |
764 |
739, 743, 746, 749, 756, 758, 761, 764, 771, 779, 782, 791, 798, 829, 832, 844 |
Range 256 |
PCS 1 900 |
647 |
634, 641, 647, 654, 659, 662, 666, 667, 673, 675, 679, 682, 691, 698, 729, 732, 744 |
664 |
639, 643, 646, 649, 656, 658, 661, 664, 671, 679, 682, 691, 698, 729, 732, 744 |
Range 256 |
The frame numbers of cells A and B shall be different by 100.
The timebase of cells A and B shall be such that the edges of their timeslots are not coincident at the antenna connector.
Mobile Station:
The MS is in the active state (U10) of a call on cell A.
Specific PICS statements
– MS supports Speech (TSPC_TS1x_Speech)
PIXIT statements
– supported radio interface rates: 12kbps, 6kbps, 3,6kbps
Foreseen Final State of the MS
The active state (U10) of a call on cell A.
Test Procedure
This procedure is repeated for execution counter M = 1 to 8 (see table 26.6‑1).
The MS is in the active state (U10) of a call. The SS sends a HANDOVER COMMAND on the main DCCH. The MS shall (at the time defined by the Starting Time information element, if included in the message) begin to send access bursts on the new DCCH (and optionally the SACCH) of the target cell. The SS observes the access bursts and after receiving n (n being arbitrarily chosen between values according to table 26.6‑2 of subclause 26.6.5) access bursts, the SS sends one PHYSICAL INFORMATION message with a Timing Advance as specified in table 26.6‑1 of subclause 26.6.5. The MS shall activate the channel in sending and receiving mode. The MS shall establish a signalling link. The MS shall be ready to transmit a HANDOVER COMPLETE message, before "x" MS after the end of the PHYSICAL INFORMATION message, but not before a UA frame has been sent by the SS.
The term "ready to transmit" is defined in 3GPP TS 04.13. The value of "x" depends upon the target channel and is specified in the specific message contents section.
Maximum Duration of Test
5 minutes, including 1 minute for any necessary operator actions.
Expected Sequence
This sequence is performed for an execution counter M = 1, 2, 3 for an MS which only supports TCH/F.
This sequence is performed for an execution counter M = 1, 2.. 8 for an MS which supports TCH/F and H
Step |
Direction |
Message |
Comments |
0 |
MS -> SS |
The MS and SS are in the active state of a call on the channel described below. |
|
1 |
SS -> MS |
HANDOVER COMMAND |
See Specific message contents. |
2 |
MS -> SS |
HANDOVER ACCESS |
Repeated on every burst of the uplink main DCCH (and optionally the SACCH) until reception of PHYSICAL INFORMATION. Handover Reference as included in the HANDOVER COMMAND. If the HANDOVER COMMAND includes a starting time IE then the first HANDOVER ACCESS message shall be transmitted in the indicated frame (unless the indicated frame is not used by that channel, in which case the next frame used by that channel shall be used). |
3 |
SS -> MS |
PHYSICAL INFORMATION |
Sent after reception of n HANDOVER ACCESS messages. See specific message contents. |
4 |
MS -> SS |
SABM |
Sent without information field. |
5 |
SS -> MS |
UA |
|
6 |
MS -> SS |
HANDOVER COMPLETE |
The message shall be ready to be transmitted before "x" ms after the completion of step 3. |
7 |
MS -> SS |
The MS and SS are in the active state of a call on the channel described below. |
Specific Message Contents For Mobiles Supporting Speech
For M = 1:
Step 0: The MS and SS are using a full rate TCH in non-hopping mode on cell A.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Band |
BCCH Carrier Number |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 900 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
664 |
PHYSICAL INFORMATION
Information Element |
value/remarks |
As default message contents. |
Step 6: x = 500
Step 7: The MS and SS are using a full rate TCH in non hopping mode on cell B.
For M = 2:
Step 0: The MS and SS are using a full rate TCH in non-hopping mode on cell B.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/H + ACCHs |
– Timeslot number |
Chosen arbitrarily, but not Zero. |
– Training Sequence Code |
Chosen arbitrarily |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Chosen arbitrarily from the set (1,2,..63). |
Synchronization Indication IE is not included. |
|
Channel Mode IE is not included. |
|
Frequency List after time |
|
– Frequency List |
See table below |
HANDOVER COMMAND |
|||
Band |
Frequency List |
BCCH Carrier Number |
|
Format |
ARFCNs |
ARFCN |
|
GSM 450 |
Range 128 |
259, 261, 263, 265, 277, 279, 281, 283, 285, 287, 289, 291 |
263 |
GSM 480 |
Range 128 |
306, 308, 310, 312, 324, 326, 328, 330, 332, 334, 336, 338 |
310 |
GSM 710 |
Range 256 |
447, 454, 457, 463, 496, 498, 500, 501, 502, 503 ,506, 508 |
457 |
GSM 750 |
Range 256 |
447, 454, 457, 463, 496, 498, 500, 501, 502, 503 ,506, 508 |
457 |
T-GSM 810 |
Range 256 |
447, 454, 457, 463, 496, 498, 500, 501, 502, 503 ,506, 508 |
457 |
GSM 850 |
Variable bitmap |
137, 144, 147, 153, 186, 193, 200, 201, 202, 203, 235, 241 |
147 |
GSM 900 |
Variable bitmap |
10, 17, 20, 26, 59, 66, 73, 74, 75, 76,108, 114 |
20 |
DCS 1 800 |
Range 256 |
747, 775, 779, 782, 791, 798, 829, 832, 844 |
747 |
PCS 1 900 |
Range 256 |
647, 675, 679, 682, 691, 698, 729, 732, 744 |
647 |
PHYSICAL INFORMATION
Information Element |
value/remarks |
As default message contents, except: |
|
Timing advance |
Arbitrarily selected but different to default value. |
Step 6: x = 500.
Step 7: The MS and SS are using a full rate TCH in hopping mode on cell A.
For M = 3:
Step 0: The MS and SS are using a full rate TCH in hopping mode on cell A.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Out of range timing advance shall trigger a handover failure procedure. |
Starting Time |
Indicates the frame number of cell B that will occur approximately 1,1 seconds (238 frames have elapsed) after the HANDOVER COMMAND is sent by cell A. |
Mode of first channel |
Speech (full rate version 1 or half rate version 1). |
Band |
BCCH Carrier Number |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 900 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
664 |
PHYSICAL INFORMATION
Information Element |
value/remarks |
As default message contents. |
Step 6: x = 500.
Step 7: The MS and SS are using a full rate TCH in non-hopping mode on cell B.
For M = 4:
Step 0: The MS and SS are using a full rate TCH in non-hopping mode on cell B.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/H + ACCHs |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
zero (this gives cyclic hopping). |
Synchronization Indication IE is not included. |
|
Cell Channel Description |
Use format from table below to encode the complete CA of Cell A. |
Mobile Allocation after time |
Indicates all of the CA of cell A except for the BCCH frequency. |
HANDOVER COMMAND |
||
Cell Channel Description |
Cell Description |
|
Band |
Format |
BCCH Carrier Number |
GSM 450 |
Range 128 |
263 |
GSM 480 |
Range 128 |
310 |
GSM 710 |
Range 128 |
457 |
GSM 750 |
Range 128 |
457 |
T-GSM 810 |
Range 128 |
457 |
GSM 850 |
Range 128 |
147 |
GSM 900 |
Bitmap 0 |
20 |
DCS 1 800 |
Range 512 |
747 |
PCS 1 900 |
Range 512 |
647 |
PHYSICAL INFORMATION
Information Element |
value/remarks |
As default message contents, except: |
|
Timing advance |
Arbitrarily selected but different to default value. |
Step 6: x = 750.
Step 7: The MS and SS are using a half rate TCH in hopping mode on cell A.
For M = 5:
Step 0: The MS and SS are using a half rate TCH in hopping mode on cell A.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/H + ACCHs |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Chosen arbitrarily, but not Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Chosen arbitrarily from the set. |
(1,2,..63). |
|
Frequency List after time |
|
– Frequency List |
See table below |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Starting Time |
Indicates the frame number of cell B. that will occur approximately 1,1 seconds (238 frames have elapsed) after the HANDOVER COMMAND is sent by cell A. |
HANDOVER COMMAND |
|||
Band |
Frequency List |
BCCH Carrier Number |
|
Format |
ARFCNs |
ARFCN |
|
GSM 450 |
Range 128 |
260, 262, 264, 266, 276, 279, 281, 283, 285, 287, 289, 291 |
274 |
GSM 480 |
Range 128 |
307, 309, 311, 313, 323, 326, 328, 330, 332, 334, 336, 338 |
321 |
GSM 710 |
Range 128 |
451, 455, 459, 461, 497, 498, 500, 501, 502, 503, 506, 508 |
477 |
GSM 750 |
Range 128 |
451, 455, 459, 461, 497, 498, 500, 501, 502, 503, 506, 508 |
477 |
T-GSM 810 |
Range 128 |
451, 455, 459, 461, 497, 498, 500, 501, 502, 503, 506, 508 |
477 |
GSM 850 |
Range 128 |
141, 145, 149, 151, 187, 193, 200, 201, 202, 203,235, 241 |
167 |
GSM 900 |
Bitmap 0 |
14, 18, 22, 24, 60, 66, 73, 74, 75, 76,108, 114 |
40 |
DCS 1 800 |
Range 1 024 |
749, 758, 761, 764, 771, 779, 782, 791, 798, 829, 832, 844 |
764 |
PCS 1 900 |
Range 1 024 |
649, 658, 661, 664, 671, 679, 682, 691, 698, 729, 732, 744 |
664 |
For M = 6:
Step 0: The MS and SS are using a half rate TCH in hopping mode on cell B.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/H + ACCHs |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Chosen arbitrarily but not Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF channel. |
– ARFCN |
Chosen arbitrarily from the Cell Allocation of Cell A. |
Synchronization Indication IE not included. |
ASSIGNMENT COMMAND |
|
Band |
Channel Description |
ARFCN |
|
GSM 450 |
263 |
GSM 480 |
310 |
GSM 710 |
457 |
GSM 750 |
457 |
T-GSM 810 |
457 |
GSM 850 |
147 |
GSM 900 |
20 |
DCS 1 800 |
747 |
PCS 1 900 |
647 |
PHYSICAL INFORMATION
Information Element |
value/remarks |
As default message contents. |
Step 6: x = 750.
Step 7: The MS and SS are using a half rate TCH in non-hopping mode on cell A.
For M = 7:
Step 0: The MS and SS are using a half rate TCH in non-hopping mode on cell A.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Chosen arbitrarily but not Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Chosen arbitrarily from the set. |
(1,2,..63). |
|
Frequency List after time |
|
– Frequency List |
See table below |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Mode of first channel |
speech (full rate version 1 or half rate version 1). |
HANDOVER COMMAND |
|||
Band |
Frequency List |
BCCH Carrier Number |
|
Format |
ARFCNs |
ARFCN |
|
GSM 450 |
Range 128 |
274, 279, 281, 283, 285, 287, 289, 291 |
274 |
GSM 480 |
Range 128 |
321, 326, 328, 330, 332, 334, 336, 338 |
321 |
GSM 710 |
Range 128 |
477, 498, 500, 501, 502, 503,506, 508 |
477 |
GSM 750 |
Range 128 |
477, 498, 500, 501, 502, 503,506, 508 |
477 |
T-GSM 810 |
Range 128 |
477, 498, 500, 501, 502, 503,506, 508 |
477 |
GSM 850 |
Range 128 |
167, 193, 200, 201, 202, 203 ,235, 241 |
167 |
GSM 900 |
Range 128 |
40, 66, 73, 74, 75, 76,108, 114 |
40 |
DCS 1 800 |
Variable Bitmap |
764, 779, 782, 791, 798, 829, 832, 844 |
764 |
PCS 1 900 |
Variable Bitmap |
(664, 679, 682, 691, 698, 729, 732, 744 |
664 |
PHYSICAL INFORMATION
Information Element |
value/remarks |
As default message contents, except: |
|
Timing advance |
Arbitrarily selected but different to default value. |
Step 6: x = 750.
Step 7: The MS and SS are using a half rate TCH in hopping mode on cell B.
For M = 8:
Step 0: The MS and SS are using a half rate TCH in hopping mode on cell B.
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Chosen arbitrarily but not Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF channel. |
– ARFCN |
See table below |
Synchronization Indication IE not included. |
Band |
Cell Description BCCH Carrier Number and Channel Description ARFCN |
GSM 450 |
263 |
GSM 480 |
310 |
GSM 710 |
457 |
GSM 750 |
457 |
T-GSM 810 |
457 |
GSM 850 |
147 |
GSM 900 |
20 |
DCS 1 800 |
747 |
PCS 1 900 |
647 |
PHYSICAL INFORMATION
Information Element |
value/remarks |
As default message contents, except: |
|
Timing advance |
Arbitrarily selected but different to default value. |
Step 6: x = 500.
Step 7: The MS and SS are using a full rate TCH in non-hopping mode on cell A.
Specific Message Contents For Mobiles not Supporting Speech
If the mobile station supports half rate, then the 12 kbps radio interface rate is not used for this test. With this restriction, the radio interface rate is selected arbitrarily from those supported.
The message contents shall be the same for the Mobile Station supporting speech , except for:
M = 3:
HANDOVER COMMAND
Information Element |
value/remarks |
Mode of first channel |
Data, with the full rate radio interface rate that is in use. |
M = 4, 7 and 8:
HANDOVER COMMAND
Information Element |
value/remarks |
Mode of first channel |
Data, with half rate radio interface rate that is supported. |
26.6.5.2 Handover / successful / call under establishment / non-synchronized
26.6.5.2.1 Conformance requirements
The MS shall correctly apply the handover procedure from SDCCH/8, TCH/F or TCH/H with or without frequency hopping to SDCCH/8, TCH/F or TCH/H with or without frequency hopping in the non-synchronized case during call establishment. The mobile shall correctly apply the handover procedures from non frequency hopping SDCCH/4 to SDCCH/8, TCH/F or TCH/H with or without frequency hopping. If during call establishment a Layer 3 MM or CC message just sent by the MS is not Layer 2 acknowledged before the channel change caused by the HANDOVER COMMAND message, the MS shall send the Layer 3 message to the new cell, using the same value in the N(SD) field, after the handover procedure.
References
3GPP TS 04.08 / 3GPP TS 44.018, subclauses 3.1.4.2, 3.4.4 and 9.1.15.
3GPP TS 04.13, subclause 5.2.6.2.
26.6.5.2.2 Test purpose
To test that when the MS is ordered to make a non-synchronized handover, it continuously sends access bursts on the main DCCH (and optionally the SACCH) until it receives a PHYSICAL INFORMATION message from the SS. To test that the MS correctly takes the values of the Timing Advance information element in the PHYSICAL INFORMATION message into account. To test that the MS activates the new channel correctly and transmits the HANDOVER COMPLETE message without undue delay. To test that the MS correctly retransmits Layer 3 MM or CC messages, that were not acknowledged by Layer 2 before the Handover, after completion of the Handover.
26.6.5.2.3 Method of test
Initial Conditions
System Simulator:
2 cells A and B with same LAI, default parameters, except:
Cell A has:
BCCH ARFCN = See table below.
Cell Allocation = See table below
PLMN colour code, NCC = as defaults.
BS colour code, BCC = as defaults.
PLMN_PERM = 00001010.
Cell B has:
BCCH ARFCN = See table below.
Cell Allocation = See table below
PLMN colour code, NCC = 3.
BS colour code, BCC = 0.
Both cells send SYSTEM INFORMATION TYPE 1 messages containing the complete Cell Allocation of the cell, see table below for format.
The timebase of Cells A and B shall be such that the edges of their timeslots are not coincident at the antenna connector.
For execution counter M = 1, 2 and 3 a combined CCH/SDCCH is used.
For execution counter M = 4 to 10 a non combined SDCCH is used.
Band |
Cell A |
Cell B |
Both Cells |
||
BCCH ARFCN |
Cell Allocation |
BCCH ARFCN |
Cell Allocation |
Format |
|
GSM 450 |
263 |
259, 261, 263, 265, 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, 287, 289, 291 |
274 |
260, 262, 264, 266, 268, 270, 272, 274, 276, 279, 281, 283, 285, 287, 289, 291 |
Range 128 |
GSM 480 |
310 |
306, 308, 310, 312, 314, 316, 318, 320, 322, 324, 326, 328, 330, 332, 334, 336, 338 |
321 |
307, 309, 311, 313, 315, 317, 319, 321, 323, 326, 328, 330, 332, 334, 336, 338 |
Range 128 |
GSM 710 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
Range 128 |
GSM 750 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
Range 128 |
T-GSM 810 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
Range 128 |
GSM 850 |
147 |
137, 144, 147, 153, 161, 169, 172, 173, 179, 186, 193, 200, 201, 202, 203, 235, 241 |
167 |
141, 145, 149, 151, 157, 158, 165, 167, 187, 193, 200, 201, 202, 203, 235, 241 |
Range 128 |
GSM 900 |
20 |
10, 17, 20, 26, 34, 42, 45, 46, 52, 59, 66, 73, 74, 75, 76, 108, 114 |
40 |
14, 18, 22, 24, 30, 31, 38, 40, 60, 66, 73, 74, 75, 76, 108, 114 |
Bitmap 0 |
DCS 1 800 |
747 |
734, 741, 747, 754, 759, 762, 766, 767, 773, 775, 779, 782, 791, 798, 829, 832, 844 |
764 |
739, 743, 746, 749, 756, 758, 761, 764, 771, 779, 782, 791, 798, 829, 832, 844 |
Range 512 |
PCS 1 900 |
647 |
634, 641, 647, 654, 659, 662, 666, 667, 673, 675, 679, 682, 691, 698, 729, 732, 744 |
664 |
639, 643, 646, 649, 656, 658, 661, 664, 671, 679, 682, 691, 698, 729, 732, 744 |
Range 512 |
Mobile Station:
The MS is in the "idle, updated" state, with a TMSI allocated and camped on cell A.
Specific PICS statements
– MS supports Speech (TSPC_TS1x_Speech)
PIXIT statements
– supported radio interface rates: 12kbps, 6kbps, 3,6kbps
Foreseen Final State of the MS
"Idle, updated" with TMSI allocated and camped on cell B.
Test Procedure
This procedure is repeated for execution counter M = 1, 2 .. 10 (See table 26.6‑1.)
A Mobile Originating Call is initiated on Cell A. After the MS has sent the SETUP message (and before the last L2 frame carrying the SETUP message is acknowledged by the SS) the SS sends a HANDOVER COMMAND message, ordering the MS to switch to cell B. The MS shall then begin to send access bursts on the new DCCH (and optionally the SACCH) to cell B. The SS observes the access bursts and after receiving n (n being arbitrarily chosen between values according to table 26.6‑2 of subclause 26.6.5) access bursts, the SS sends one PHYSICAL INFORMATION message with a Timing Advance as specified in table 26.6‑1 of subclause 26.6.5. The MS shall activate the channel in sending and receiving mode. The MS shall establish a signalling link. The MS shall be ready to transmit a HANDOVER COMPLETE message before x ms after the end of the PHYSICAL INFORMATION message, but not before a UA frame has been sent by the SS. The MS shall then again send the SETUP message to the SS, using the same value in the N(SD) field. Finally the SS sends a CHANNEL RELEASE to end the test.
The term "ready to transmit" is defined in 3GPP TS 04.13. The value of "x" depends upon the target channel and is specified in the specific message contents section.
Maximum Duration of Test
5 minutes, including 1 minute for any necessary operator actions.
Expected Sequence
The sequence is performed for execution counter M = 1, 2..10 (unless a particular TCH is not supported).
Step |
Direction |
Message |
Comments |
1 |
——– |
——– |
A MO call is initiated on cell A. |
2 |
MS -> SS |
CHANNEL REQUEST |
Establ. Cause = "Originating call, NECI not set to 1 |
3 |
SS -> MS |
IMMEDIATE ASSIGNMENT |
See specific message contents. |
4 |
MS -> SS |
CM SERVICE REQUEST |
CM Service Type = Mobile Origina- ting Call Establishment. |
5 |
SS -> MS |
CIPHERING MODE COMMAND |
|
6 |
MS -> SS |
CIPHERING MODE COMPLETE |
|
7 |
MS -> SS |
SETUP |
Last L2 frame not acknowledged by the SS. |
8 |
SS -> MS |
HANDOVER COMMAND |
See specific message contents. |
9 |
MS -> SS |
HANDOVER ACCESS |
Repeated on every burst of the uplink main DCCH (and optionally the SACCH) until reception of PHYSICAL INFORMATION. Handover Reference as included in the HANDOVER COMMAND |
10 |
SS -> MS |
PHYSICAL INFORMATION |
Sent after reception of n HANDOVER ACCESS message. Timing Advance as specified in table 26.6‑1 of subclause 26.6.5. |
11 |
MS -> SS |
SABM |
Sent without information field. |
12 |
SS -> MS |
UA |
|
13 |
MS -> SS |
HANDOVER COMPLETE |
This message shall be ready to be transmitted before "x" ms after the completion of step 10. |
14 |
MS -> SS |
SETUP |
Same N(SD) as in step 7. |
15 |
SS -> MS |
CHANNEL RELEASE |
Specific Message Contents For Mobiles Supporting Speech
M = 1.
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents. |
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency Short List IE. |
– HSN |
Chosen arbitrarily from the set. |
(1,2,..63). |
|
Synchronization IE is not included. |
|
Frequency Short List after time |
|
– Frequency Short List |
See table below |
Mode of the First Channel |
Speech (full rate version 1 or half rate version 1). |
HANDOVER COMMAND |
|||
Band |
Frequency Short List |
BCCH Carrier Number |
|
Format |
ARFCNs |
ARFCN |
|
GSM 450 |
Range 128 |
260, 262, 264, 266, 268, 270, 272, 292, 279, 281, 283, 285, 287, 289, 291 |
274 |
GSM 480 |
Range 128 |
307, 309, 311, 313, 315, 317, 319, 339, 326, 328, 330, 332, 334, 336, 338 |
321 |
GSM 710 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 490, 498, 500, 501, 502 ,503 , 506, 508 |
477 |
GSM 750 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 490, 498, 500, 501, 502 ,503 , 506, 508 |
477 |
T-GSM 810 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 490, 498, 500, 501, 502 ,503 , 506, 508 |
477 |
GSM 850 |
Range 128 |
141, 145, 149, 151, 157, 158, 165, 180, 193, 200, 201, 202, 203, 235, 241 |
167 |
GSM 900 |
Range 128 |
14, 18, 22, 24, 30, 31, 38, 53, 66, 73, 74, 75, 76, 108, 114 |
40 |
DCS 1 800 |
Range 128 |
756, 758, 761, 771, 779, 782, 791, 798, 829, 832, 844 |
764 |
PCS 1 900 |
Range 128 |
656, 658, 661, 671, 679, 682, 691, 698, 729, 732, 744 |
664 |
Step 13: "x" = 500.
M = 2.
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents. |
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/H + ACCHs |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Chosen arbitrarily but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
Chosen arbitrarily from the set (1, 2.. 63). |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Cell Channel Description |
See table below |
Mobile Allocation after time |
Indicates ARFCNs in table below. |
Mode of First Channel |
Speech (full rate version 1 or half rate version 1). |
HANDOVER COMMAND |
||||
Band |
BCCH Carrier Number |
Frequency Short List |
Mobile Allocation after time |
|
ARFCN |
Format |
ARFCNs |
ARFCNs |
|
GSM 450 |
274 |
Range 128 |
274, 279, 281, 283, 285, 287, 289, 291 |
281, 283, 285 |
GSM 480 |
321 |
Range 128 |
321, 326, 328, 330, 332, 334, 336, 338 |
328, 330, 332 |
GSM 710 |
477 |
Range 128 |
477, 498, 500, 501, 502, 503, 506, 508 |
500, 501, 502 |
GSM 750 |
477 |
Range 128 |
477, 498, 500, 501, 502, 503, 506, 508 |
500, 501, 502 |
T-GSM 810 |
477 |
Range 128 |
477, 498, 500, 501, 502, 503, 506, 508 |
500, 501, 502 |
GSM 850 |
167 |
Range 128 |
167, 193, 200, 201, 202, 203, 235, 241 |
200, 201, 202 |
GSM 900 |
40 |
Bitmap 0 |
40, 66, 73, 74, 75, 76, 108, 114 |
73, 74, 75 |
DCS 1 800 |
764 |
Range 512 |
761, 764, 771, 779, 782, 791, 798, 829, 832 |
791, 798, 829 |
PCS 1 900 |
664 |
Range 512 |
661, 664, 671, 679, 682, 691, 698, 729, 732 |
691, 698, 729 |
Step 13: "x" = 750.
M = 3.
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents. |
DCS 1 800 or PCS 1 900 begin:
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
DCS 1 800: 764 PCS 1 900: 664 |
Channel Description |
|
– Channel Type |
SDCCH/8 |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency Short List IE. |
– HSN |
Zero (this gives cyclic hopping). |
Synchronization Indication IE not included. |
|
Frequency Short List after time |
|
– Frequency Short List |
Use Range 128 to encode the following 2 frequencies: DCS 1 800: 746, 779 PCS 1 900: 646, 679 |
Mode of First Channel |
Signalling Only. |
DCS 1 800 or PCS 1 900 end:
Other bands begin:
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
SDCCH/8 |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Chosen arbitrarily from the set {1, 2, …, 63}. |
Synchronization Indication IE is not included |
Frequency list after time. |
– Frequency List |
See table below |
Channel Mode IE |
signalling only. |
HANDOVER COMMAND |
|||
Band |
Cell Description |
Frequency List |
|
BCCH Carrier Number |
Format |
ARFCNs |
|
GSM 450 |
274 |
Range 128 |
260, 262, 264, 266, 268, 270, 272, 276, 279, 281, 283, 285, 287, 289, 291 |
GSM 480 |
321 |
Range 128 |
307, 309, 311, 313, 315, 317, 319, 323, 326, 328, 330, 332, 334, 336, 338 |
GSM 710 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 497, 498, 500, 501, 502, 503, 506, 508 |
GSM 750 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 497, 498, 500, 501, 502, 503, 506, 508 |
T-GSM 810 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 497, 498, 500, 501, 502, 503, 506, 508 |
GSM 850 |
167 |
Range 128 |
141, 145, 149, 151, 157, 158, 165, 187, 193, 200, 201, 202, 203, 235, 241 |
GSM 900 |
40 |
Bitmap 0 |
14, 18, 22, 24, 30, 31, 38, 60, 66, 73, 74, 75, 76, 108, 114 |
DCS 1 800 |
764 |
Range 128 |
746, 779 |
PCS 1 900 |
664 |
Range 128 |
646, 679 |
Other bands end:
Step 13: "x" = 1 500.
M = 4.
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
– Timeslot number |
Arbitrary value, but not zero. |
– ARFCN |
See table below |
Band |
ARFCN |
GSM 450 |
263 |
GSM 480 |
310 |
GSM 710 |
457 |
GSM 750 |
457 |
T-GSM 810 |
457 |
GSM 850 |
147 |
GSM 900 |
20 |
DCS 1 800 |
747 |
PCS 1 900 |
647 |
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
SDCCH/8 |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Arbitrary value but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
zero (this gives cyclic hopping). |
Frequency List after time |
|
– Frequency List |
Use format from table below to encode the complete CA of Cell B. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Channel Mode IE is not included. |
HANDOVER COMMAND |
|||
Band |
Cell Description |
Frequency List |
|
BCCH ARFCN |
Format |
ARFCNs |
|
GSM 450 |
274 |
Range 128 |
260, 262, 264, 266, 268, 270, 272, 276, 279, 281, 283, 285, 287, 289 |
GSM 480 |
321 |
Range 128 |
307, 309, 311, 313, 315, 317, 319, 323, 326, 328, 330, 332, 334, 336 |
GSM 710 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 477, 498, 500, 501, 502, 503, 506 |
GSM 750 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 477, 498, 500, 501, 502, 503, 506 |
T-GSM 810 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 477, 498, 500, 501, 502, 503, 506 |
GSM 850 |
167 |
Range 128 |
141, 145, 149, 151, 157, 158, 165, 167, 193, 200, 201, 202, 203, 235 |
GSM 900 |
40 |
Range 128 |
14, 18, 22, 24, 30, 31, 38, 40, 66, 73, 74, 75, 76, 108 |
DCS 1 800 |
764 |
Range 1 024 |
complete CA of Cell B |
PCS 1 900 |
664 |
Range 1 024 |
complete CA of Cell B |
Step 13: "x" = 1 500.
M = 5.
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
Channel Description |
|
– Channel Type |
TCH/F + ACCH’s |
– Timeslot number |
Arbitrary value but not zero. |
– Hopping Channel |
Single RF Channel. |
– ARFCN |
Chosen arbitrarily from the Cell Allocation of cell A. |
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/H + ACCH’s |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Arbitrary value but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF Channel. |
– ARFCN |
Chosen arbitrarily from the Cell Allocation of cell B. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Mode of First Channel |
Signalling only. |
HANDOVER COMMAND |
|
Band |
ARFCN |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 900 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
664 |
Step 13: "x" = 750.
M = 6.
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
L2 pseudo length |
14 octets (11 + contents of the MA). |
Channel Description |
Channel Description. |
– Channel Type |
TCH/H + ACCHs |
– TDMA offset |
As default message contents. |
– Timeslot number |
Arbitrary value but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
Chosen arbitrarily from the set. |
(1,2,..63). |
|
Mobile Allocation |
|
– Length |
3 octets. |
– Contents |
Indicates all of the CA of cell A. |
DCS 1 800 or PCS 1 900 begin:
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
DCS 1 800: 764 DCS 1 900: 664 |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Arbitrary value but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Chosen arbitrarily from the set. |
(1,2,..63). |
|
Frequency List after time |
|
– Frequency List |
Use Range 256 to encode the following 9 frequencies: DCS 1 800: 746, 749, 756, 761, 764, 798, 829, 832,844 PCS 1 900: 646, 649, 656, 661, 664, 698, 729, 732,744 |
Synchronization Indication IE not included. |
|
Channel Mode |
Signalling Only. |
DCS 1 800 or PCS 1 900 end:Other bands begin:
HANDOVER COMMAND
Information Element |
value/remarks |
||||
As default message contents, except: |
|||||
Cell Description |
|||||
– Network Colour Code |
3 |
||||
– Base Station Colour Code |
0 |
||||
– BCCH Carrier Number |
See table below |
||||
Channel Description |
|||||
– Channel Type |
TCH/F + ACCHs |
||||
– Timeslot number |
Arbitrary value but not zero. |
||||
– Training Sequence Code |
Chosen arbitrarily. |
||||
– Hopping |
RF hopping channel. |
||||
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation IE. |
||||
– HSN |
Chosen arbitrarily from the set (1,2,..63). |
||||
Cell Channel Description |
uses Range 128 to encode the complete CA of cell B. |
||||
Mobile Allocation after time |
Indicates the following 5 frequencies: (260, 262, 264, 270, 274 |
||||
Synchronization Indication IE not included. |
|||||
Channel Mode |
Signalling Only. |
||||
HANDOVER COMMAND |
|||||
Band |
Cell Description |
Cell Channel Description |
Mobile Allocation |
||
BCCH ARFCN |
Format |
ARFCNs |
|||
GSM 450 |
274 |
Range 128 |
260, 262, 264, 270, 274 |
||
GSM 480 |
321 |
Range 128 |
307, 309, 311, 317, 321 |
||
GSM 710 |
477 |
Range 128 |
451, 455, 459, 468, 477 |
||
GSM 750 |
477 |
Range 128 |
451, 455, 459, 468, 477 |
||
T-GSM 810 |
477 |
Range 128 |
451, 455, 459, 468, 477 |
||
GSM 850 |
167 |
Range 128 |
141, 145, 149, 158, 167 |
||
GSM 900 |
40 |
Bitmap 0 |
14, 18, 22, 31, 40 |
Other bands end:
M = 7:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
L2 pseudo length |
14 octets (11 + contents of the MA). |
Channel Description |
Channel Description. |
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
Zero. |
Mobile Allocation |
|
– Length |
3 octets. |
– Contents |
Indicates only one frequency (see table below). |
IMMEDIATE ASSIGNMENT |
|
Band |
ARFCN |
GSM 450 |
291 |
GSM 480 |
338 |
GSM 710 |
508 |
GSM 750 |
508 |
T-GSM 810 |
508 |
GSM 850 |
235 |
GSM 900 |
114 |
DCS 1 800 |
844 |
PCS 1 900 |
744 |
HANDOVER COMMAND
DCS 1 800 or PCS 1 900
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
DCS 1 800: 764 PCS 1 900: 664 |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Arbitrary value but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
Chosen arbitrarily from the set. |
(1,2,..63). |
|
Cell Channel Description |
Use Variable bit map to encode the complete CA of cell B. |
Mobile Allocation |
Indicates all of the CA of cell B except for the following three frequencies: DCS 1 800: 764, 832 and 844 PCS 1 900: 664, 732, 744 |
Mode of First channel |
Speech (full rate version 1 or half rate version 1). |
Other Bands
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Arbitrary value but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Chosen arbitrarily from the set (1,2,..63). |
Synchronization Indication IE is not included: |
|
Frequency list after time. |
|
– Frequency List IE |
See table below |
Mode of First channel |
Speech (full rate version 1 or half rate version 1). |
HANDOVER COMMAND |
|||
Band |
Cell Description |
Frequency List |
|
BCCH Carrier Number |
Format |
ARFCNs |
|
GSM 450 |
274 |
Range 128 |
260, 262, 264, 266, 268, 270, 272, 274, 276, 279, 281, 283, 285, 287, 289, 291 |
GSM 480 |
321 |
Range 128 |
307, 309, 311, 313, 315, 317, 319, 321, 323, 326, 328, 330, 332, 334, 336, 338 |
GSM 710 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
GSM 750 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
T-GSM 810 |
477 |
Range 128 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
GSM 850 |
167 |
Range 128 |
141, 145, 149, 151, 157, 158, 165, 167, 187, 193, 200, 201, 202, 203, 235, 241 |
GSM 900 |
40 |
Bitmap 0 |
14, 18, 22, 24, 30, 31, 38, 40, 60, 66, 73, 74, 75, 76, 108, 114 |
Step 13: "x" = 500.
M = 8:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
L2 pseudo length |
14 octets (11 + contents of the MA). |
Channel Description |
Channel Description. |
– Channel Type |
SDCCH/8 |
– TDMA offset |
As default message contents. |
– Timeslot number |
Arbitrary value but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
Chosen arbitrarily from the set (1,2,..63). |
Mobile Allocation |
|
– Length |
3octets. |
– Contents |
Indicates only three frequencies: (see table below). |
IMMEDIATE ASSIGNMENT |
|
Band |
ARFCNs |
GSM 450 |
281, 283, 285 |
GSM 480 |
328, 330, 332 |
GSM 710 |
500, 501, 502 |
GSM 750 |
500, 501, 502 |
T-GSM 810 |
500, 501, 502 |
GSM 850 |
200, 201, 202 |
GSM 900 |
73, 74, 75 |
DCS 1 800 |
773, 775, 779 |
PCS 1 900 |
673, 675, 679 |
HANDOVER COMMAND
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF Channel. |
– ARFCN |
Chosen arbitrarily from the Cell Allocation of Cell B, but not the BCCH carrier of Cell B. |
Synchronization Indication IE not included. |
|
Mode of First Channel |
Speech (full rate version 1 or half rate version 1). |
HANDOVER COMMAND |
|
Band |
ARFCN |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 900 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
664 |
Step 13: "x" = 500.
M = 9:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents. |
HANDOVER COMMAND
DCS 1 800 and PCS 1 900 begin:
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
DCS 1 800: 764 PCS 1 900: 664 |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency Short List IE. |
– HSN |
Zero (this gives cyclic hopping). |
Frequency Short List after time |
|
– Frequency Short List |
Use Range 256 to encode the following 3 frequencies: DCS 1 800: 764, 779, 782 PCS 1 900: 664, 679, 682 |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Non synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Channel mode |
Speech (full rate version 1 or half rate version 1) |
DCS 1 800 and PCS 1 900 end:
Other bands begin:
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel |
– MAIO |
Chosen arbitrarily from the set {0, 1}. |
– HSN |
Chosen arbitrarily from the set {1, 2,…, 63}. |
Synchronization Indication IE is not included |
|
Frequency List, after time. |
|
– Frequency List |
allocates the following two frequencies See table below. |
Mode of the first channel |
Speech (full rate version 1 or half rate version 1). |
HANDOVER COMMAND |
||
Band |
BCCH Carrier Number |
Frequency List ARFCNs |
GSM 450 |
274 |
260, 291 |
GSM 480 |
321 |
307, 338 |
GSM 710 |
447 |
451, 508 |
GSM 750 |
447 |
451, 508 |
T-GSM 810 |
447 |
451, 508 |
GSM 850 |
167 |
141, 241 |
GSM 900 |
40 |
14, 114 |
Other bands end:
Step 13: "x" = 500.
M = 10:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents. |
HANDOVER COMMAND
DCS 1 800 or PCS 1 9 00 begin:
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
DCS 1 800: 764 PCS 1 900: 664 |
Channel Description |
|
– Channel Type |
TCH/H + ACCHs |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Zero (this gives cyclic hopping). |
Frequency List after time |
|
– Frequency List |
Use Variable Bit Map to encode the following 15 frequencies: DCS 1 800: 739, 743,746,749, 756, 758, 764, 771, 779, 782, 791, 798, 829, 832, 844 PCS 1 900: 639, 643,646,649, 656, 658, 664, 671, 679, 682, 691, 698, 729, 732, 744 |
Synchronization Indication IE is not included. |
|
Channel mode |
Speech (full rate version 1 or half rate version 1). |
DCS 1 800 or PCS 1 9 00 end:
Step 13: "x" = 750.
Other bands begin:
Information Element |
value/remarks |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
3 |
– Base Station Colour Code |
0 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/H + ACCHs |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Chosen arbitrarily but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set {0, 1}. |
– HSN |
Chosen arbitrarily from the set {1, 2,…, 63}. |
Synchronization Indication IE is not included |
|
Frequency List, after time |
|
– Frequency List |
allocates the following two frequencies { See table below }. |
Channel Mode IE |
speech (full rate version 1 or half rate version 1). |
HANDOVER COMMAND |
||
Band |
BCCH Carrier Number |
Frequency List ARFCNs |
GSM 450 |
274 |
274, 291 |
GSM 480 |
321 |
321, 338 |
GSM 710 |
447 |
477, 508 |
GSM 750 |
447 |
477, 508 |
T-GSM 810 |
447 |
477, 508 |
GSM 850 |
167 |
167, 241 |
GSM 900 |
40 |
40, 114 |
Other bands end:
Step 13: "x" = 750.
Specific Message Contents For Mobiles not Supporting Speech
The message contents shall be the same for the Mobile Station supporting speech , except for:
M = 1, 7, 8 and 9:
HANDOVER COMMAND
Information Element |
value/remarks |
Mode of first channel |
Data, with full rate radio interface rate which is supported. |
M = 2 and 10:
HANDOVER COMMAND
Information Element |
value/remarks |
Mode of first channel |
Data, with half rate radio interface rate which is supported. |
26.6.5.3 Handover / successful / active call / finely synchronized
26.6.5.3.1 Conformance requirements
The MS shall correctly apply the handover procedure from TCH/F with frequency hopping to TCH/F without frequency hopping in the finely synchronized case when a call is in progress.
The MS shall correctly apply the handover procedure from TCH/H with frequency hopping to TCH/H without frequency hopping in the finely synchronized case when a call is in progress. This requirement does not apply to MSs not supporting TCH/H.
References
3GPP TS 04.08 / 3GPP TS 44.018 subclauses 3.4.4, 9.1.14, 9.1.15 and 9.1.16.
3GPP TS 04.13 subclause 5.2.6.
3GPP TS 05.05 subclause 4.1.1.
3GPP TS 05.10, subclause 6.6.
26.6.5.3.2 Test purpose
To test that when the MS is ordered to make a finely synchronized handover to a synchronized cell, it sends 4 access bursts on the main DCCH (and optionally on the SACCH) and then activates the channel correctly, taking into account the value of any Starting Time information element, power command and correctly calculating the timing advance to use. To test the MS activates the new channel correctly and transmits the HANDOVER COMPLETE message without undue delay.
26.6.5.3.3 Method of test
Initial Conditions
System Simulator:
2 cells, A and B, with same LAI, default parameters, except:
The BCCH of cell A is sent k bit periods before the BCCH of cell B. The timing advance in cell A sent to the MS is y bit periods. k and y are selected such that 0 < (2k+y) mod 256 < 60.
Cell B BCCH ARFCN |
|
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 900 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
647 |
Mobile Station:
The MS is in the active state (U10) of a call (on cell A). The MS is using a power level P. Where P is a power level within the supported range of that type of MS.
Specific PICS statements
- TSPC_Type_xxx (all appropriate power classes)
- MS supports Speech (TSPC_TS1x_Speech)
PIXIT statements
– supported radio interface rates: 12kbps, 6kbps, 3,6kbps
Foreseen Final State of the MS
The active state (U10) of a mobile call (on cell B).
Test Procedure
This procedure is repeated for execution counter M = 1 to 2. (See table 26.6‑1.)
The MS is in the active state (U10) of a call on cell A. The SS sends a HANDOVER COMMAND on the main DCCH. The MS shall (at the time specified in the Starting Time information element, if included) send 4 access bursts, in 4 successive slots on the new DCCH to cell B (Note: Before completion of the 4 access bursts on the DCCH, additional access bursts may also be sent on the SACCH). Then the MS shall establish a signalling link indicating the correct Timing Advance and power level and send a HANDOVER COMPLETE message.
The MS shall be "ready to transmit" a HANDOVER COMPLETE message before "x" ms after the end of the HANDOVER COMMAND message, but not before a UA frame has been sent by the SS.
The term "ready to transmit" is defined in 3GPP TS 04.13. The value of "x" depends upon the target channel and is specified in the specific message contents section.
Maximum Duration of Test
5 minutes, including 1 minute for any necessary operator actions.
Expected Sequence
This sequence is performed for execution counter M = 1 for an MS which only supports TCH/F.
This sequence is performed for execution counter M = 1 to 2 for an MS which supports TCH/F and H.
Step |
Direction |
Message |
Comments |
0 |
MS -> SS |
M = 1, The MS and SS are using a full rate TCH in hopping mode on cell A. M = 2, The MS and SS are using a half rate TCH in hopping mode on cell A. |
|
1 |
SS -> MS |
HANDOVER COMMAND |
See Specific Message Contents. |
2 |
MS -> SS |
HANDOVER ACCESS |
See specific message contents. Four messages. |
3 |
MS -> SS |
HANDOVER ACCESS |
are transmitted to Cell B in 4 successive slots. |
4 |
MS -> SS |
HANDOVER ACCESS |
on the new DCCH. |
5 |
MS -> SS |
HANDOVER ACCESS |
Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH |
6 |
MS -> SS |
SABM |
Sent without information field. |
7 |
SS -> MS |
UA |
|
8 |
MS -> SS |
HANDOVER COMPLETE |
This message shall be ready to be transmitted before "x" ms after the completion of step 1. See specific message contents. |
9 |
SS |
The header of the next uplink SACCH is examined and the Timing Advance and Power Level indications are examined. The correct timing advance shall be indicated. A tolerance of ± 2 bit periods is allowed. The power level indication shall indicate the power level used in the handover command (see note). |
|
10 |
MS, SS |
M =1, The MS and SS are using a full rate TCH in non-hopping mode on cell B M = 2, The MS and SS are using a half rate TCH in non-hopping mode on cell B. |
|
NOTE: In case the Handover procedure is completed within 1 SACCH multiframe, the powerlevel indication, of the power level used in the handover command, will be done in the second uplink SACCH sent on the target cell. As the indicated value shall be the power control level actually used by the mobile for the last burst of the previous SACCH period, the first uplink SACCH header will indicate the powerlevel used by the MS on the old cell, if the Handover procedure is completed within 1 SACCH multiframe. In this case the powerlevel examination shall be done in the second uplink SACCH header sent on the target cell. Reference: 05.08/45.008 clause 4.2. |
Specific Message Contents
M = 1:
HANDOVER COMMAND
Information Element |
value/remark |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel type |
TCH/F + ACCHs |
– Timeslot Number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF Channel. |
– ARFCN |
See table below |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by that type of MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
HANDOVER COMMAND |
|
Band |
BCCH Carrier Number and Channel Description ARFCN |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 90 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
647 |
HANDOVER ACCESS
Information Element |
value/remark |
As default message contents except: |
|
Handover Reference |
|
– Value |
Same as HANDOVER COMMAND |
Step 8: x = 650 ms.
M = 2:
HANDOVER COMMAND
Information Element |
value/remark |
As default message contents, except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel type |
TCH/H + ACCHs |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot Number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF Channel. |
– ARFCN |
See table below |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by that type of MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Mode of First Channel |
If speech supported: Speech half rate version 1. if speech not supported: Arbitrary from the half rate data rates supported. |
HANDOVER COMMAND |
|
Band |
BCCH Carrier Number and Channel Description ARFCN |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 90 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
647 |
HANDOVER ACCESS
Information Element |
value/remark |
As default message contents except: |
|
Handover Reference |
|
– Value |
Same as HANDOVER COMMAND |
Step 8: x = 900 ms.
26.6.5.4 Handover / successful / call under establishment / finely synchronized
26.6.5.4.1 Conformance requirements
The MS shall correctly apply the handover procedure from SDCCH/8 or TCH/F with or without frequency hopping to SDCCH4, SDCCH/8 or TCH/F with or without frequency hopping in the finely synchronized case, during call establishment.
If during call establishment a Layer 3 MM or CC message just sent by the MS is not Layer 2 acknowledged before the channel change caused by the HANDOVER COMMAND message, the MS shall send the Layer 3 message to the new cell, using the same value in the N(SD) field, after the handover procedure.
References
3GPP TS 05.10, subclause 6.6.
3GPP TS 04.08 / 3GPP TS 44.018, subclause 3.4.4.
3GPP TS 04.08 / 3GPP TS 44.018, subclause 3.1.4.2.
3GPP TS 04.13, subclause 5.2.6.
26.6.5.4.2 Test purpose
To test that when the MS is ordered to make a finely synchronized handover to a synchronized cell, it sends 4 access bursts on the main DCCH (and optionally the SACCH) and then activates the channel correctly, taking into account the value of any Starting Time information element, power command and correctly calculating the timing advance to use. To test that the MS correctly retransmits Layer 3 MM or CC messages that were not acknowledged by Layer 2 before the Handover, after completion of the Handover. To verify the MS transmits the HANDOVER COMPLETE message without undue delay.
26.6.5.4.3 Method of test
Initial Conditions
System Simulator:
2 cells, A and B, with same LAI, default parameters, except:
The BCCH of cell A is sent k bit periods before the BCCH of cell B. The timing advance in cell A sent to the MS is y bit periods. k and y are selected such that 0 < (2k + y) mod 256 < 60.
The frame numbers of cells A and B shall be different by 100.
Cell A |
Call B |
|||
Band |
BCCH ARFCN |
Cell Allocation |
BCCH ARFCN |
Cell Allocation |
GSM 450 |
263 |
259, 261, 263, 265, 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, 287, 289, 291 |
274 |
260, 262, 264, 266, 268, 270, 272, 274, 276, 279, 281, 283, 285, 287, 289, 291 |
GSM 480 |
310 |
306, 308, 310, 312, 314, 316, 318, 320, 322, 324, 326, 328, 330, 332, 334, 336, 338 |
321 |
307, 309, 311, 313, 315, 317, 319, 321, 323, 326, 328, 330, 332, 334, 336, 338 |
GSM 710 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
GSM 750 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
T-GSM 810 |
457 |
447, 454, 457, 463, 471, 479, 482 ,483 ,489, 496, 498, 500, 501, 502, 503, 506, 508 |
477 |
451, 455, 459, 461, 467, 468, 475, 477, 497, 498, 500, 501, 502, 503, 506, 508 |
GSM 850 |
147 |
137, 144, 147, 153, 161, 169, 172, 173, 179, 186, 193, 200, 201, 202, 203, 235, 24 |
167 |
141, 145, 149, 151, 157, 158, 165, 167, 187, 193, 200, 201, 202, 203, 235, 241 |
GSM 900 |
20 |
10, 17, 20, 26, 34, 42, 45, 46, 52, 59, 66, 73, 74, 75, 76, 108, 114 |
40 |
14, 18, 22, 24, 30, 31, 38, 40, 60, 66, 73, 74, 75, 76, 108, 114 |
DCS 1 800 |
747 |
734, 741, 747, 754, 759, 762, 766, 767, 773, 775, 779, 782, 791, 798, 829, 832, 844 |
764 |
739, 743, 746, 749, 756, 758, 761, 764, 771, 779, 782, 791, 798, 829, 832, 844 |
PCS 1 900 |
647 |
634, 641, 647, 654, 659, 662, 666, 667, 673, 675, 679, 682, 691, 698, 729, 732, 744 |
664 |
639, 643, 646, 649, 656, 658, 661, 664, 671, 679, 682, 691, 698, 729, 732, 744 |
Mobile Station:
The MS is in the "idle, updated" state, with a TMSI allocated and camped on cell A. The MS is using a power level P, where P is a power level within the supported range of that type of MS.
Specific PICS statements
- MS supports Speech (TSPC_TS1x_Speech)
- TSPC_Type_xxx (all appropriate power classes)
PIXIT statements
– supported radio interface rates: 12kbps, 6kbps, 3,6kbps
Foreseen Final State of the MS
"Idle, updated" with TMSI allocated and camped on cell B.
Test Procedure
This procedure is repeated for execution counter M = 1, 2, 3, 4 (see table 26.6‑1).
A Mobile Originating Call is initiated on cell A. After the MS has sent the SETUP message (and before the last L2 frame carrying the SETUP message is acknowledged by the SS) the SS sends a HANDOVER COMMAND message, ordering the MS to switch to cell B. The MS shall then (at the time specified in the Starting Time information element, if included) send 4 access bursts, in successive slots on the new DCCH to cell B (Note: Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH). Then the MS shall establish a signalling link indicating the correct timing advance and power level and send a HANDOVER COMPLETE message. The MS shall be "ready to transmit" the HANDOVER COMPLETE message before "x" ms after the end of the HANDOVER COMMAND message, but not before a UA frame has been sent by the SS. The MS shall then again send the SETUP message to the SS, using the same value in the N(SD) field. Finally the SS sends a CHANNEL RELEASE to end the test.
The term "ready to transmit" is defined in 3GPP TS 04.13. The value "x" depends upon the target channel and is specified in the specific message contents section.
Maximum Duration of Test
5 minutes, including 1 minute for any necessary operator actions.
Expected Sequence
This procedure is repeated for execution counter M = 1, 2, 3, 4 (unless a particular TCH is not supported).
Step |
Direction |
Message |
Comments |
1 |
——– |
——– |
A MO call is initiated. |
2 |
MS -> SS |
CHANNEL REQUEST |
Establ. Cause = "Originating call, NECI not set to 1" |
3 |
SS -> MS |
IMMEDIATE ASSIGNMENT |
See Specific Message contents. |
4 |
MS -> SS |
CM SERVICE REQUEST |
CM Service Type = Mobile Origina- ting Call Establishment. |
5 |
SS -> MS |
CIPHERING MODE COMMAND |
|
6 |
MS -> SS |
CIPHERING MODE COMPLETE |
|
7 |
MS -> SS |
SETUP |
Last L2 frame not acknowledged by the SS. |
8 |
SS -> MS |
HANDOVER COMMAND |
See Specific Message Contents. |
9 |
MS -> SS |
HANDOVER ACCESS |
|
10 |
MS -> SS |
HANDOVER ACCESS |
|
11 |
MS -> SS |
HANDOVER ACCESS |
See Specific message contents. Four. |
12 |
MS -> SS |
HANDOVER ACCESS |
Messages are transmitted to cell B in 4 successive slots on the new DCCH. If the HANDOVER COMMAND message includes a starting time IE then the first HANDOVER ACCESS message shall be transmitted in the indicated frame (unless the starting time has elapsed). Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH. |
13 |
MS -> SS |
SABM |
Sent without information field. |
14 |
SS -> MS |
UA |
|
15 |
MS -> SS |
HANDOVER COMPLETE |
The message shall be ready to be transmitted before "x" ms after the completion of step 8. |
16 |
SS |
The header of the next uplink SACCH is examined and the Timing Advance and Power Level indications are examined. The correct timing advance shall be indicated. A tolerance of ± 2 bit periods is allowed. The power level indication shall indicate the power level used in the handover command (see note). |
|
17 |
MS -> SS |
SETUP |
Same N(SD) as in step 7. |
18 |
SS -> MS |
CHANNEL RELEASE |
|
NOTE: In case the Handover procedure is completed within 1 SACCH multiframe, the powerlevel indication, of the power level used in the handover command, will be done in the second uplink SACCH sent on the target cell. As the indicated value shall be the power control level actually used by the mobile for the last burst of the previous SACCH period, the first uplink SACCH header will indicate the powerlevel used by the MS on the old cell, if the Handover procedure is completed within 1 SACCH multiframe. In this case the powerlevel examination shall be done in the second uplink SACCH header sent on the target cell. Reference: 05.08/45.008 clause 4.2. |
Specific Message Contents
M = 1:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
Channel Description |
Channel Description. |
– Channel Type |
SDCCH/8 |
– TDMA offset |
As default message contents. |
– Timeslot number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
Chosen arbitrarily from the set. |
(1,2,..63). |
|
Mobile Allocation |
Indicates all of the CA of cell A except for the BCCH frequency. |
HANDOVER COMMAND
Information Element |
value/remark |
As default message contents except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
SDCCH/8 |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Zero (this gives cyclic hopping). |
Frequency List after time |
|
– Frequency List |
Use format from table below to encode the complete CA of Cell B. |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by the MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Mode of First Channel |
Signalling only |
HANDOVER COMMAND |
||
Band |
Cell Description |
Frequency List |
BCCH Carrier Number |
Format |
|
GSM 450 |
274 |
Range 128 |
GSM 480 |
321 |
Range 128 |
GSM 710 |
477 |
Range 128 |
GSM 750 |
477 |
Range 128 |
T-GSM 810 |
477 |
Range 128 |
GSM 850 |
167 |
Range 128 |
GSM 900 |
40 |
Bitmap 0 |
DCS 1 800 |
764 |
Range 512 |
PCS 1 900 |
664 |
Range 512 |
HANDOVER ACCESS
Information Element |
value/remark |
As default message contents except: |
|
Handover Reference |
|
– Value |
Same as HANDOVER COMMAND |
Step 15: x = 1 500 ms.
M = 2:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
Channel Description |
Channel Description. |
– Channel Type |
SDCCH/8 |
– TDMA offset |
As default message contents. |
– Timeslot number |
zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Mobile Allocation. |
– HSN |
Zero (this gives cyclic hopping). |
Mobile Allocation |
Indicates all of the CA of cell A except for the following 2 frequencies: See table below. |
IMMEDIATE ASSIGNMENT |
|
Band |
Mobile Allocation |
ARFCNs |
|
GSM 450 |
263 and 275 |
GSM 480 |
310 and 322 |
GSM 710 |
457 and 489 |
GSM 750 |
457 and 489 |
T-GSM 810 |
457 and 489 |
GSM 850 |
147 and 179 |
GSM 900 |
20 and 52 |
DCS 1 800 |
747 and 767 |
PCS 1 900 |
647 and 667 |
HANDOVER COMMAND
Information Element |
value/remark |
As default message contents except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
SDCCH/4 |
– TDMA offset |
Chosen arbitrarily. |
– Timeslot number |
zero. |
– Training Sequence Code |
same as the BCCH. |
– Hopping |
Single RF Channel. |
– ARFCN |
See table below |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by the MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Starting Time |
Indicates the frame number of cell B that will occur approximately 1,1 seconds after the HANDOVER COMMAND message is sent by cell A. |
HANDOVER COMMAND |
|
Band |
BCCH Carrier Number and Channel Description ARFCN |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 900 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
664 |
HANDOVER ACCESS
Information Element |
value/remark |
As default message contents except: |
|
Handover Reference |
|
– Value |
Same as HANDOVER COMMAND |
Step 15: x = 2 600 ms.
M = 3:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
Channel Description |
Channel Description. |
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF Channel. |
– ARFCN |
See table below |
IMMEDIATE ASSIGNMENT |
|
Band |
Channel Description ARFCN |
GSM 450 |
263 |
GSM 480 |
310 |
GSM 710 |
457 |
GSM 750 |
457 |
T-GSM 810 |
457 |
GSM 850 |
147 |
GSM 900 |
20 |
DCS 1 800 |
747 |
PCS 1 900 |
647 |
HANDOVER COMMAND
DCS 1 800 or PCS 1 900
Information Element |
value/remark |
As default message contents except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
DCS 1 800: 764 PCS 1 900; 664 |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
zero |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency Short list IE. |
– HSN |
Chosen arbitrarily from the set (1,2,..63). |
Frequency Short List after time |
|
– Frequency Short List |
Use Range 128 to encode the following 3 frequencies: DCS 1 800: 758, 761, 771 PCS 1 900: 658, 661, 671 |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by the MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
GSM 450, GSM 480, GSM 850:
Information Element |
value/remark |
As default message contents except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency List IE. |
– HSN |
Chosen arbitrarily from the set (1,2,..63). |
Frequency List after time |
|
– Frequency List |
See table below |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by the MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Band |
BCCH ARFCN |
Frequency List after Time |
GSM 450 |
274 |
279, 285, 287, 289 |
GSM 480 |
321 |
326, 332, 334, 336 |
GSM 850 |
167 |
193, 202, 203, 235 |
GSM 710, GSM 750, T-GSM 810, GSM 900:
Information Element |
value/remark |
As default message contents except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
RF hopping channel. |
– MAIO |
Chosen arbitrarily from the set (0, 1 to N‑1), where N is the number of frequencies encoded in the Frequency Channel Sequence IE. |
– HSN |
Chosen arbitrarily from the set (1,2,..63). |
Frequency Channel Sequence after time |
|
– Frequency Channel Sequence |
See table below |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by the MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Band |
BCCH ARFCN |
Frequency Channel Sequence |
GSM 710 |
477 |
498, 502, 503, 506 |
GSM 750 |
477 |
498, 502, 503, 506 |
T-GSM 810 |
477 |
498, 502, 503, 506 |
GSM 900 |
40 |
66, 75, 76, 108 |
HANDOVER ACCESS
Information Element |
value/remark |
As default message contents except: |
|
Handover Reference |
|
– Value |
Same as HANDOVER COMMAND |
Step 15: x = 650 ms.
M = 4:
IMMEDIATE ASSIGNMENT
Information Element |
value/remark |
As default message contents except: |
|
Channel Description |
Channel Description. |
– Channel Type |
SDCCH/8 |
– TDMA offset |
As default message contents. |
– Timeslot number |
As default message contents. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF Channel. |
– ARFCN |
Chosen arbitrarily from the Cell Allocation of Cell A. |
HANDOVER COMMAND
Information Element |
value/remark |
As default message contents except: |
|
Cell Description |
|
– Network Colour Code |
1 |
– Base Station Colour Code |
5 |
– BCCH Carrier Number |
See table below |
Channel Description |
|
– Channel Type |
TCH/F + ACCHs |
– Timeslot number |
Arbitrary value, but not zero. |
– Training Sequence Code |
Chosen arbitrarily. |
– Hopping |
Single RF Channel. |
– ARFCN |
Chosen arbitrarily from the Cell Allocation of Cell B. |
Handover Reference |
|
– Value |
Chosen arbitrarily from the range (0, 1..255). |
Power command |
|
– Power Level |
Arbitrarily chosen, but different to the one already in use and within the range supported by the MS. |
Synchronization Indication |
|
– Report Observed Time Difference |
Shall not be included. |
– Synchronization Indication |
"Synchronized". |
– Normal Cell Indication |
Ignore out of range timing advance. |
Channel Mode |
If speech is supported: Speech (full rate version 1 or half rate version 1). If speech is not supported: arbitrary from those supported (12, 6, 3,6 kbps). |
HANDOVER COMMAND |
|
Band |
BCCH Carrier Number |
GSM 450 |
274 |
GSM 480 |
321 |
GSM 710 |
477 |
GSM 750 |
477 |
T-GSM 810 |
477 |
GSM 850 |
167 |
GSM 900 |
40 |
DCS 1 800 |
764 |
PCS 1 900 |
664 |
HANDOVER ACCESS
Information Element |
value/remark |
As default message contents except: |
|
Handover Reference |
|
– Value |
Same as HANDOVER COMMAND |
Step 15: x = 650 ms.
26.6.5.5 Pre-synchronized handovers
26.6.5.5.1 Handover / successful / active call / pre-synchronized / Timing Advance IE not included
If an MS does not implement the pre-synchronized handover procedure correctly then calls may fail.
26.6.5.5.1.1 Conformance requirements
1 The MS shall correctly apply the handover procedure from TCH/F without frequency hopping to TCH/F without frequency hopping in the pre-synchronized case when a call is active.
2 When the Timing Advance information element is not included in the HANDOVER COMMAND, the MS shall access the new cell with the default timing advance of 1 bit period.
3 The MS shall be ready to transmit the HANDOVER COMPLETE message within 650 ms of the end of the HANDOVER COMMAND message.
References
Conformance requirement 1: 3GPP TS 04.08 / 3GPP TS 44.018 subclause 3.4.4.
Conformance requirement 2: 3GPP TS 05.10, subclause 6.6.
Conformance requirement 3: 3GPP TS 04.13, subclause 5.2.6.1.
26.6.5.5.1.2 Test purpose
To verify that when the MS is ordered to make a pre-synchronized handover to another cell, it sends 4 access bursts on the main DCCH (and optionally on the SACCH) and then activates the channel correctly and correctly calculates the time to transmit.
26.6.5.5.1.3 Method of test
Initial Conditions
System Simulator:
2 cells, A and B, with same LAI, default parameters.
The BCCH of cell A is sent k bit periods before the BCCH of cell B. k is arbitrarily selected.
Mobile Station:
The MS is in the active state (U10) of a call (on cell A) using a full rate TCH in non-hopping mode.
Specific PICS statements
–
PIXIT statements
–
Foreseen Final State of the MS
The active state (U10) of a mobile call (on cell B) using a full rate TCH in non-hopping mode.
Test Procedure
The MS is in the active state (U10) of a call on cell A. The SS sends a HANDOVER COMMAND for a pre-synchronized handover without the Timing Advance IE on the main DCCH. The MS shall send 4 access bursts, in 4 successive slots of the new DCCH to cell B with a Timing Advance of zero (Note: Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH). Then the MS shall establish a signalling link using a Timing Advance of one and send a HANDOVER COMPLETE message. The MS shall be ready to transmit the HANDOVER COMPLETE message before 650 ms after the end of the HANDOVER COMMAND message, but not before a UA frame has been sent by the SS.
The term "ready to transmit" is defined in 3GPP TS 04.13.
Maximum Duration of Test
5 s.
Expected Sequence
Step |
Direction |
Message |
Comments |
1 |
SS -> MS |
HANDOVER COMMAND |
See specific message contents below. |
2 |
MS -> SS |
HANDOVER ACCESS |
Handover Reference as included in the |
3 |
MS -> SS |
HANDOVER ACCESS |
HANDOVER COMMAND. |
4 |
MS -> SS |
HANDOVER ACCESS |
|
5 |
MS -> SS |
HANDOVER ACCESS |
Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH. |
6 |
MS -> SS |
SABM |
Sent without information field. |
7 |
SS -> MS |
UA |
|
8 |
MS -> SS |
HANDOVER COMPLETE |
This message shall be ready to be transmitted before 650 ms after the completion of step 1. |
9 |
SS |
– |
The SS checks that the timing advance reported in the layer 1 header of the SACCH message that is sent in the first SACCH multiframe following the SABM is 1 bit period. |
Specific Message Contents
HANDOVER COMMAND
As default message contents, except: |
|
Synchronization Indication |
pre-synchronized; ROT=0; NCI=0. |
26.6.5.5.2 Handover / successful / call being established / pre-synchronized / timing advance IE is included / reporting of observed time difference requested
If an MS does not implement the pre-synchronized handover procedure correctly then calls may fail.
If an MS does not report the observed time difference between cells correctly then pseudo synchronized handovers might not be possible for any MS.
26.6.5.5.2.1 Conformance requirements
1 The MS shall correctly apply the handover procedure from an SDCCH/4 to a TCH/F without frequency hopping in the pre-synchronized case while a call is being established.
2 If during call establishment a Layer 3 MM or CC message just sent by the MS is not Layer 2 acknowledged before the channel change caused by the HANDOVER COMMAND message, the MS shall send the Layer 3 message to the new cell, using the same value in the N(SD) field, after the handover procedure.
3 When the Timing Advance information element is included in the HANDOVER COMMAND, the MS shall access the new cell with the timing advance included in the Timing Advance IE.
4 The MS shall be ready to transmit the HANDOVER COMPLETE message within 650 ms of the end of the HANDOVER COMMAND message.
5 When requested to do so in the HANDOVER COMMAND message, the MS shall return the Mobile Time Difference IE in the HANDOVER COMPLETE message indicating the sum of the observed time difference between the cells and the timing advance used on the old cell.
References
Conformance requirement 1: 3GPP TS 04.08 / 3GPP TS 44.018, subclause 3.4.4.
Conformance requirement 2: 3GPP TS 04.08 / 3GPP TS 44.018, subclause 3.1.4.3.
Conformance requirement 3: 3GPP TS 05.10, subclause 6.6.
Conformance requirement 4: 3GPP TS 04.13, subclause 5.2.6.1.
Conformance requirement 5: 3GPP TS 04.08 / 3GPP TS 44.018, subclause 10.5.2.39.
26.6.5.5.2.2 Test purpose
To test that when the MS is ordered to make a pre-synchronized handover to another cell, it sends 4 access bursts on the main DCCH (and optionally on the SACCH) and then activates the channel correctly and correctly calculates the time to transmit. To test that the MS correctly retransmits Layer 3 MM or CC messages that were not acknowledged by Layer 2 before the Handover, after completion of the Handover. To test that the MS correctly reports on the time difference between the cells.
26.6.5.5.2.3 Method of test
Initial Conditions
System Simulator:
2 cells, A and B, with same LAI, default parameters.
The BCCH of cell A is sent k bit periods before the BCCH of cell B.
Mobile Station:
The MS is in the "idle, updated" state, with a TMSI allocated and camped on cell A.
Specific PICS statements
–
PIXIT statements
–
Foreseen Final State of the MS
"Idle, updated" with TMSI allocated and camped on cell B.
Test Procedure
A Mobile Originating Call is initiated. The SS sends an IMMEDIATE ASSIGNMENT message allocating an SDCCH/4. The MS is commanded to use a timing advance of y bit periods on cell A. After the MS has sent the SETUP message (and before the last L2 frame carrying the SETUP message is acknowledged by the SS) the SS sends a HANDOVER COMMAND, ordering the MS to switch to cell B. The MS shall then send 4 access bursts, in 4 successive slots of the new DCCH to cell B (Note: Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH). Then the MS shall establish a signalling link using the correct timing advance and send a HANDOVER COMPLETE message. The MS shall be ready to transmit the HANDOVER COMPLETE message before 650 ms after the end of the HANDOVER COMMAND message, but not before a UA frame has been sent by the SS.
The term "ready to transmit" is defined in 3GPP TS 04.13.
The MS shall then again send the SETUP message to the SS, using the same value in the N(SD) field. Finally the SS sends a CHANNEL RELEASE to end the test.
Maximum Duration of Test
20 s.
Expected Sequence
Step |
Direction |
Message |
Comments |
1 |
——– |
——– |
A MO call is initiated. |
2 |
MS -> SS |
CHANNEL REQUEST |
|
3 |
SS -> MS |
IMMEDIATE ASSIGNMENT |
to an SDCCH/4. |
4 |
MS -> SS |
CM SERVICE REQUEST |
|
5 |
SS -> MS |
CIPHERING MODE COMMAND |
|
6 |
MS -> SS |
CIPHERING MODE COMPLETE |
|
7 |
MS -> SS |
SETUP |
Last L2 frame not acknowledged by the SS. |
8 |
SS -> MS |
HANDOVER COMMAND |
See specific message contents below. |
9 |
MS -> SS |
HANDOVER ACCESS |
Handover Reference as included in the |
10 |
MS -> SS |
HANDOVER ACCESS |
HANDOVER COMMAND |
11 |
MS -> SS |
HANDOVER ACCESS |
|
12 |
MS -> SS |
HANDOVER ACCESS |
Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH. |
13 |
MS -> SS |
SABM |
Sent without information field. |
14 |
SS -> MS |
UA |
|
15 |
MS -> SS |
HANDOVER COMPLETE |
This message shall be ready to be transmitted before 650 ms after the completion of step 8. Shall include the Mobile Time Difference IE with value (2k+y) mod 2,097,152 half bit periods. A tolerance of ±2 half bit periods is allowed. |
16 |
MS -> SS |
SETUP |
Same N(SD) as in step 7 |
17 |
SS |
– |
The SS checks that the timing advance reported in the layer 1 header of the SACCH message that is sent in the first SACCH multiframe following the SABM is 9 bit periods. A tolerance of ± 2 bit periods is allowed. |
18 |
SS -> MS |
CHANNEL RELEASE |
Specific Message Contents
HANDOVER COMMAND
As default message contents, except: |
|
Synchronization Indication |
pre-synchronized; ROT=1; NCI=0. |
Timing Advance |
9 bit periods. |
26.6.5.6 Handover / successful / active call / pseudo synchronized
If MSs that claim to support this procedure do not correctly implement it, then calls may fail.
26.6.5.6.1 Conformance requirements
1 The MS shall correctly apply the handover procedure from TCH/F without frequency hopping to TCH/F without frequency hopping in the pseudo synchronized case when a call is in progress.
2 The MS shall access the new cell with the correct timing advance.
3 The MS shall be ready to transmit the HANDOVER COMPLETE message within 650 ms of the end of the HANDOVER COMMAND message.
4 When requested to do so in the HANDOVER COMMAND message, the MS shall return the Mobile Time Difference IE in the HANDOVER COMPLETE message indicating the sum of the observed time difference between the cells and the timing advance used on the old cell.
References
Conformance requirement 1: 3GPP TS 04.08 / 3GPP TS 44.018 subclause 3.4.4.
Conformance requirement 2: 3GPP TS 05.10, subclause 6.6.
Conformance requirement 3: 3GPP TS 04.13, subclause 5.2.6.1.
Conformance requirement 4: 3GPP TS 04.08 / 3GPP TS 44.018, subclause 10.5.2.39.
26.6.5.6.2 Test purpose
To test that when the MS is ordered to make a pseudo synchronized handover to another cell, it sends 4 access bursts on the main DCCH (and optionally the SACCH) and then activates the channel correctly and correctly calculates the time to transmit. To test that the MS correctly reports the time difference between the cells.
26.6.5.6.3 Method of test
Initial Conditions
System Simulator:
2 cells, A and B, with same LAI, default parameters.
The BCCH of cell A is sent k bit periods before the BCCH of cell B. k is arbitrarily selected.
The MS is being commanded to use a timing advance of y bit periods on cell A, where y is arbitrarily selected from the set {11, 12, … ,62}.
Mobile Station:
The MS is in the active state (U10) of a call (on cell A) using a full rate TCH in non-hopping mode.
Specific PICS statements
–
PIXIT statements
–
– .
Foreseen Final State of the MS
The active state (U10) of a mobile call (on cell B) using a full rate TCH in non-hopping mode.
Test Procedure
The MS is in the active state (U10) of a call on cell A. The SS sends a HANDOVER COMMAND for a pseudo‑synchronized handover with the Real Time Difference IE included. The Time Difference value is set to (2k+10) modulo 256. The MS shall send 4 access bursts, , in 4 successive slots of the new DCCH to cell B with a Timing Advance of zero (Note: Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH). Then the MS shall establish a signalling link using a Timing Advance of (y‑10) bit periods and send a HANDOVER COMPLETE message. The MS shall be ready to transmit the HANDOVER COMPLETE message before 650 ms after the end of the HANDOVER COMMAND message, but not before a UA frame has been sent by the SS.
The term "ready to transmit" is defined in 3GPP TS 04.13.
Maximum Duration of Test
5 s.
Expected Sequence
Step |
Direction |
Message |
Comments |
1 |
SS -> MS |
HANDOVER COMMAND |
See specific message contents below. |
2 |
MS -> SS |
HANDOVER ACCESS |
Handover Reference as included in the |
3 |
MS -> SS |
HANDOVER ACCESS |
HANDOVER COMMAND. |
4 |
MS -> SS |
HANDOVER ACCESS |
|
5 |
MS -> SS |
HANDOVER ACCESS |
Before completion of the 4 access bursts on the new DCCH, additional access bursts may also be sent on the SACCH. |
6 |
MS -> SS |
SABM |
Sent without information field. |
7 |
SS -> MS |
UA |
|
8 |
MS -> SS |
HANDOVER COMPLETE |
This message shall be ready to be transmitted before 650 ms after the completion of step 1. Shall include the Mobile Time Difference IE with value (2k+y) mod 2,097,152 half bit periods. A tolerance of ±2 half bit periods is allowed. |
9 |
SS |
– |
The SS checks that the timing advance reported in the layer 1 header of the SACCH message that is sent in the first SACCH multiframe following the SABM is (y‑10) bit periods. A tolerance of ± 2 bit periods is allowed. |
Specific Message Contents
HANDOVER COMMAND
As default message contents, except: |
|
Synchronization Indication |
pseudo-synchronized; ROT=1; NCI=0. |
Time Difference |
(2k+10) mod 256. |
26.6.5.7 Handover / successful / active call / non-synchronized / reporting of observed time difference requested
If an MS does not report the observed time difference between cells correctly then pseudo synchronized handovers might not be possible for any MS.
26.6.5.7.1 Conformance requirements
1 The MS shall correctly apply the handover procedure from a TCH/F without frequency hopping to a TCH/F without frequency hopping in the non-synchronized case while a call is active.
2 When requested to do so in the HANDOVER COMMAND message, the MS shall return the Mobile Time Difference IE in the HANDOVER COMPLETE message indicating the sum of the observed time difference between the cells and the timing advance used on the old cell.
References
Conformance requirement 1: 3GPP TS 04.08 / 3GPP TS 44.018, subclause 3.4.4.
Conformance requirement 2: 3GPP TS 04.08 / 3GPP TS 44.018, subclause 10.5.2.39.
26.6.5.7.2 Test purpose
To verify that when the MS is ordered to make a non-synchronized handover to another cell and is ordered to report on the time difference between the cells, that it does so correctly.
26.6.5.7.3 Method of test
Initial Conditions
System Simulator:
2 cells, A and B with default parameters except the LAI of cell B has MNC = 02 (PCS 1 900: MNC = 021) decimal,
MCC = 315 decimal, and LAC = 5344 H.
The BCCH of cell A is sent k bit periods before the BCCH of cell B.
The MS is commanded to use a timing advance of y bit periods on cell A.
Mobile Station:
The MS is in the active state (U10) of a call (on cell A) using a full rate TCH in non-hopping mode.
Specific PICS statements
–
PIXIT statements
–
Foreseen Final State of the MS
The active state (U10) of a mobile call (on cell B) using a full rate TCH in non-hopping mode.
Test Procedure
The MS is in the active state (U10) of a call on cell A. The SS sends a HANDOVER COMMAND on the main DCCH. The HANDOVER COMMAND includes a Synchronization Indication IE that instructs the MS to supply the observed time difference between the cells. The MS shall begin to send access bursts on the new DCCH (and otionally the SACCH) to cell B and the SS sends one PHYSICAL INFORMATION message. The MS shall activate the channel in sending and receiving mode and establish a signalling link using the correct timing advance. The MS shall transmit a HANDOVER COMPLETE message containing the Mobile Time Difference IE with a correct value.
Maximum Duration of Test
5 s.
Expected Sequence
Step |
Direction |
Message |
Comments |
1 |
SS -> MS |
HANDOVER COMMAND |
See specific message contents below. |
2 |
MS -> SS |
HANDOVER ACCESS |
Repeated on every burst of the uplink main DCCH until reception of PHYSICAL INFORMATION. Handover Reference as included in the HANDOVER COMMAND. |
3 |
SS -> MS |
PHYSICAL INFORMATION |
|
4 |
MS -> SS |
SABM |
Sent without information field. |
5 |
SS -> MS |
UA |
|
6 |
MS -> SS |
HANDOVER COMPLETE |
Shall include the Mobile Time Difference IE with value (2k+y) mod 2,097,152 half bit periods. A tolerance of ±2 half bit periods is allowed. |
Specific Message Contents
HANDOVER COMMAND
as default message contents, except: |
|
Synchronization Indication |
"not synchronized"; ROT=1; NCI=0. |
26.6.5.8 Handover / layer 3 failure
26.6.5.8.1 Conformance requirements
The MS shall return to the old channel in the case of an handover failure caused by the non reception of the PHYSICAL INFORMATION message. On the old channel the MS shall use the Power Level that it was previously using on that channel.
References
3GPP TS 04.08 / 3GPP TS 44.018 subclause 3.4.4.
26.6.5.8.2 Test purpose
To verify the function of timer T3124 and the contents in the message HANDOVER FAILURE and in the layer 1 header on the SACCH.
26.6.5.8.3 Method of test
Initial Conditions
System Simulator:
2 cells with same LAI, default parameters.
Mobile Station:
The MS is in the active state (U10) of a call (on cell A). Used power level is the maximum supported by the MS.
Specific PICS statements
–
PIXIT statements
–
Foreseen Final State of the MS
The active state (U10) of a mobile call (on cell A). Used power level is the maximum supported by the MS.
Test Procedure
The MS is in the active state (U10) of a call on cell A. The SS sends a HANDOVER COMMAND with Power Command set to 8 on the main DCCH. The MS shall begin to send access bursts on the new DCCH (and optionally the SACCH) to cell B. The SS activates the SACCH, but does not send PHYSICAL INFORMATION (thus causing a time-out of T3124). The MS shall re-establish the old link on cell A and send a HANDOVER FAILURE within 3 s from the transmission of HANDOVER COMMAND, using the old Power Control Level.
Maximum Duration of Test
5 minutes, including 1 minute for any necessary operator actions.
Expected Sequence
Step |
Direction |
Message |
Comments |
0 |
SS |
– |
The SS records the Power Control Level in the layer 1 header of the last SACCH message sent by the MS before step 1. |
1 |
SS -> MS |
HANDOVER COMMAND |
Channel description: non-hopping, full rate Power Command: 8. Synchronization Indication: non synchronized. |
2 |
MS -> SS |
HANDOVER ACCESS |
Several messages are sent, all with correct Handover References. |
3 |
MS -> SS |
HANDOVER FAILURE |
Sent on old channel, RR cause value = "Abnormal release, unspecified", "Abnormal release, channel unacceptable", "Abnormal release, timer expired", "Abnormal release, no activity on the radio path" or "Protocol error unspecified". Shall be sent within 3 s from the transmission of HANDOVER COMMAND. |
4 |
SS |
– |
The SS checks that the Power Control Level reported in the layer 1 header of the SACCH message that is sent in the first SACCH multiframe following the SABM is the same as in step 0. |
Specific Message Contents
None.
26.6.5.9 Handover / layer 1 failure
26.6.5.9.1 Conformance requirements
The MS shall return to the old channel in the case of an handover failure caused by a layer 1 failure on the target cell. On the old channel the MS shall use the Power Level that it was previously using on that channel.
References
3GPP TS 04.08 / 3GPP TS 44.018 subclause 3.4.4.
26.6.5.9.2 Test purpose
To verify the function of timer T3124 and the contents in the message HANDOVER FAILURE and in the layer 1 header on the SACCH.
26.6.5.9.3 Method of test
Initial Conditions
System Simulator:
2 cells with same LAI, default parameters.
Mobile Station:
The MS is in the active state (U10) of a call (on cell A). Used power level is the maximum supported by the MS.
Specific PICS statements
–
PIXIT statements
–
Foreseen Final State of the MS
The active state (U10) of a mobile call (on cell A). Used power level is the maximum supported by the MS.
Test Procedure
The MS is in the active state (U10) of a call on cell A. The SS sends a HANDOVER COMMAND on the main DCCH. The MS shall begin to send access bursts at the commanded Power Control Level on the new DCCH (and optionally the SACCH) to cell B ( the commanded Power Control Level must be different than that already used for Cell A). With the exception of normal BCCH signalling, the SS does not transmit anything on cell B (thus causing a time-out of T3124). The MS shall re-establish the old link on cell A and send a HANDOVER FAILURE within 3 s from the transmission of HANDOVER COMMAND, using the old Power Control Level.
Maximum Duration of Test
5 minutes, including 1 minute for any necessary operator actions.
Expected Sequence
Step |
Direction |
Message |
Comments |
0 |
SS |
– |
The SS records the Power Control Level in the layer 1 header of the last SACCH message sent by the MS before step 1. |
1 |
SS -> MS |
HANDOVER COMMAND |
Channel description: non-hopping, full rate. Synchronization Indication: non synchronized. Power Level: different than that recorded in step 0. |
2 |
MS -> SS |
HANDOVER ACCESS |
Several messages are sent, all with correct Handover References. |
3 |
MS -> SS |
HANDOVER FAILURE |
Sent on old channel, RR cause value = "Abnormal release, unspecified", "Abnormal release, channel unacceptable", "Abnormal release, timer expired", "Abnormal release, no activity on the radio path" or "Protocol error unspecified". Shall be sent within 3 s from the transmission of HANDOVER COMMAND. |
4 |
SS |
– |
The SS checks that the Power Control Level reported in the layer 1 header of the SACCH message that is sent in the first SACCH multiframe following the SABM is the same as in step 0. |
Specific Message Contents
None.