9.3.10 FDD intra-frequency RSTD Measurement Accuracy in CE Mode B
37.571-13GPPPart 1: Conformance test specificationRelease 16TSUser Equipment (UE) conformance specification for UE positioning
9.3.10.1 FDD intra-frequency RSTD Measurement Accuracy in CE Mode B for Category M1
9.3.10.1.1 Test purpose
To verify that the RSTD measurement accuracy for UE Category M1 is within the specified limits in enhanced coverage mode in an environment with fading propagation conditions.
9.3.10.1.2 Test applicability
This test applies to E-UTRA FDD UE Category M1 release 14 and forward that supports UE-assisted OTDOA and CE Mode B.
9.3.10.1.3 Minimum conformance requirements
The accuracy requirements in Table 9.3.10.1.3-1 are valid under the following conditions:
Conditions defined in 36.101 [2] Clause 7.3 for reference sensitivity are fulfilled.
PRP 1,2|dBm according to Annex E.2 for a corresponding Band
For a UE that does not need a measurement gap for intra-frequency RSTD measurement, there are no measurement gaps overlapping with the PRS subframes of the measured serving cell and PRS are available within the UE measurement bandwidth in all PRS subframes
For a UE that needs a measurement gap for intra-frequency RSTD measurement, the measurement gaps are configured to contain PRS subframes
The parameter expectedRSTDUncertainty signalled over LPP by E-SMLC as defined in TS 36.355 [4] is less than 5 µs.
Table 9.3.10.1.3-1: RSTD intra-frequency measurement accuracy for CEModeB
|
Accuracy |
Conditions |
||||||
|
PRS Ês/Iot |
Minimum PRS bandwidth, which is minimum of serving cell channel bandwidth and the PRS bandwidths of the reference cell and the measured neighbour cell i Notes 3, 6 |
Minimum number of available measurement subframes among the reference cell and the measured neighbour cell i |
The number of consecutive downlink subframes NPRS among the reference cell and the measured neighbour cell i as defined in [24] |
Io Note 4 range |
|||
|
E-UTRA operating band groups Note 5 |
Minimum |
Maximum |
|||||
|
Ts Note 2 |
dB |
RB |
dBm/15kHz |
dBm/BWChannel |
|||
|
±15 |
(PRS Ês/Iot)ref ≥-15dB and (PRS Ês/Iot)i ≥-15dB |
≥ 6 |
≥ 12 |
≥ 6 |
FDD-M1_A, TDD-M1_A |
-121 |
-50 |
|
FDD-M1_B |
-120.5 |
-50 |
|||||
|
FDD-M1_C, TDD-M1_C |
-120 |
-50 |
|||||
|
FDD-M1_D |
-119.5 |
-50 |
|||||
|
FDD-M1_E, TDD-M1_E |
-119 |
-50 |
|||||
|
FDD-M1_F |
-118.5 |
-50 |
|||||
|
FDD-M1_G |
-118 |
-50 |
|||||
|
FDD-M1_H |
-117.5 |
-50 |
|||||
|
FDD-M1_N |
-114.5 |
-50 |
|||||
|
NOTE 1: This minimum Io condition is expressed as the average Io per RE over all REs in an OFDM symbol. NOTE 2: Ts is the basic timing unit defined in TS 36.211 [26]. NOTE 3: PRS bandwidth is as indicated in prs-Bandwidth in the OTDOA assistance data defined in TS 36.355 [4]. NOTE 4: The Io is defined in PRS positioning subframes. The same Io range applies to PRS and non-PRS symbols. Io levels are different in PRS and non-PRS symbols within the same subframe. NOTE 5: E-UTRA operating band groups are as defined in Section 4.4.2. NOTE 6: The serving cell, the reference cell, and the measured neighbour cell i are on the same carrier frequency. |
|||||||
The normative reference for this requirement is TS 36.133 [23] clause 9.1.21.21 and A.9.8.23.
9.3.10.1.4 Test description
9.3.10.1.4.1 Initial conditions
Same as in clause 9.3.7.1.4.1 but replacing Table 9.3.7.1.4.1-1 with Table 9.3.10.1.4.1-1.
Table 9.3.10.1.4.1-1: General test parameters for E-UTRAN FDD intra-frequency RSTD measurement Accuracy under fading propagation conditions.
|
Parameter |
Unit |
Value |
Comment |
|
|
Test 1 |
Test 2 |
|||
|
MPDCCH |
R.18 FDD |
As specified in TS 36.521-3 [25] clause A.7.1 |
||
|
mPDCCH-startSF-UESS |
10 |
Parameter G in which determines subframe k0 in which MPDCCH starts
|
||
|
OCNG Patterns defined in TS 36.521-3 [25] clause D.1 |
OP.21 FDD |
OCNG shall be used such that both cells are fully allocated and a constant total transmitted power spectral density is achieved for all OFDM symbols (other than those in the PRS subframes). |
||
|
Reference cell |
Cell 1 |
Reference cell is the cell in the OTDOA assistance data with respect to which the RSTD measurement is defined, as specified in 3GPP TS 36.214 [6] and 3GPP TS 36.355 [4]. The reference cell is the serving cell in this test case. |
||
|
Neighbour cell |
Cell 2 |
One carrier frequency is used. |
||
|
E-UTRA RF Channel Number |
1 |
|||
|
Channel Bandwidth (BWchannel) |
MHz |
10 |
||
|
PRS Transmission Bandwidth Note 2 |
RB |
50 Note 4 |
PRS are transmitted over the system bandwidth |
|
|
PRS configuration index |
151 |
This corresponds to periodicity of 320 ms and PRS subframe offset of |
||
|
Number of consecutive downlink positioning subframes Note 2
|
6 |
As defined in 3GPP TS 36.211 [26]. The number of subframes in a positioning occasion |
||
|
PRS muting info Note 2 |
Cell 1: ‘11110000’ Cell 2: ‘11110000’ |
Corresponds to prs-MutingInfo defined in TS 36.355 [4] |
||
|
Physical cell ID PCI Note 2 |
(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 0 |
(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 1 |
||
|
Expected RSTD Note 1 |
μs |
Cell 2: 1 Other neighbour cells: randomly between -3 and 3 |
Cell 2: -1 Other neighbour cells: randomly between -3 and 3 |
The expected RSTD is what is expected at the receiver. The corresponding parameter in the OTDOA assistance data specified in TS 36.355 [4] is the expectedRSTD indicator |
|
Expected RSTD uncertainty for all neighbour cells Note 1 |
μs |
5 |
5 |
The corresponding parameter in the OTDOA assistance data specified in TS 36.355 [4] is the expectedRSTD-Uncertainty index |
|
CP length Note 2 |
Normal |
|||
|
DRX |
OFF |
|||
|
Radio frame receive time offset between the cells at the UE antenna connector Note 3 |
μs |
Cell 2 to Cell 1: -3 |
Cell 2 to Cell 1: 3 |
PRS are transmitted from synchronous cells |
|
Number of cells provided in OTDOA assistance data |
16 |
Including the reference cell |
||
|
|
ms |
12800 |
Derived according to the RSTD measurement requirements specified in section 9.3.10.1.3 |
|
|
Note 1: Parameters “Expected RSTD” and “Expected RSTD uncertainty for all neighbour cells” are not settable parameters. These are parameters signalled in LPP only. For the values to be used in LPP see Table 9.3.10.1.4.3-5 and TS 37.571-5 [20], clause 7.2.5. Note 2: Parameters “PRS Transmission Bandwidth”, “PRS configuration index”, “Number of consecutive positioning downlink subframes”, “prs-MutingInfo”, “Cell ID” and “CP length” are settable parameters and also parameters signalled in LPP. The values to be used for “Cell ID” are as follows: Cell 1: 0, Cell 2: Test 1: 6, Test 2: 7, Test 3: 6, Test 4: 9. For all the values to be used in LPP see Table 9.3.10.1.4.3-4 and TS 37.571-5 [20], clause 7.2.5. Note 3: The parameter “Radio frame receive time offset between the cells at the UE antenna connector” is not a settable parameter but is used to set the “true RSTD” values in step 6 of clause 9.3.10.1.4.1. Note 4: If the PRS transmission bandwidth is larger than the UE RF bandwidth, the UE is measuring RSTD within its RF bandwidth. Note 5: The parameter “ |
||||
Note 2
DL subframes, as defined in 3GPP TS 36.211 [26], Table 6.10.4.3-1
” is not a settable parameter but is used to set the LPP “time” value in Table 9.3.10.1.4.3-3. The value of the LPP time IE is set to 
+ T ms, where T = 150 ms, giving a value of 12950 ms. This is rounded up to the next allowed LPP value of 13 seconds.9.3.10.1.4.2 Test procedure
Same as in clause 9.3.7.1.4.2 but using condition CEModeB.
9.3.10.1.4.3 Message contents
Same as in clause 9.3.7.1.4.3 with the following exceptions
Table 9.3.10.1.4.3-1: LPP RequestLocationInformation
|
Derivation Path: Table 9.3.7.1.4.3-4 |
|||
|
Information Element |
Value/remark |
Comment |
Condition |
|
LPP-Message ::= SEQUENCE { |
|||
|
lpp-MessageBody CHOICE { |
|||
|
c1 CHOICE { |
|||
|
requestLocationInformation SEQUENCE { |
|||
|
criticalExtensions CHOICE { |
|||
|
c1 CHOICE { |
|||
|
requestLocationInformation-r9 SEQUENCE { |
|||
|
commonIEsRequestLocationInformation SEQUENCE { |
|||
|
qos SEQUENCE { |
|||
|
responseTime SEQUENCE { |
|||
|
time |
13 |
See Note 4 in Table 9.3.10.1.4.1-1 |
|
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
9.3.10.1.5 Test requirement
Table 9.3.10.1.5-1 defines the primary level settings including test tolerances for the test.
The RSTD FDD intra-frequency accuracy test shall meet the reported values in Table 9.3.10.1.5-2
Table 9.3.10.1.5-1: Cell Specific Test Parameters for intra frequency RSTD Tests for E-UTRAN FDD
|
Parameter |
Unit |
Test1 |
Test2 |
Test3 Note4 |
Test4 Note4 |
||||
|
Cell1 |
Cell2 |
Cell1 |
Cell2 |
Cell1 |
Cell2 |
Cell1 |
Cell2 |
||
|
E-UTRA RF Channel Number |
1 |
||||||||
|
PBCH_RA |
dB |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
PBCH_RB |
|||||||||
|
PSS_RA |
|||||||||
|
SSS_RA |
|||||||||
|
MPDCCH_RA |
|||||||||
|
MPDCCH_RB |
|||||||||
|
OCNG_RANote1 |
|||||||||
|
OCNG_RBNote1 |
|||||||||
|
PRS_RA |
dB |
0 |
0 |
-2.7 |
0.3 |
0 |
0 |
-2.7 |
0.3 |
|
|
dBm/15 kHz |
-98 |
-98 |
-98 |
-98 |
-98 |
-98 |
-98 |
-98 |
|
PRS |
dB |
-5 |
-13 |
-14.7 |
-14.7 |
-5 |
-13 |
-14.7 |
-14.7 |
|
PRS |
dB |
-5.21 |
-14.19 |
-14.7 |
-14.7 |
-5.21 |
-14.19 |
-14.7 |
-14.7 |
|
Io Note3 |
dBm/9 MHz |
-69.79 |
-69.79 |
-70.06 |
-70.06 |
-69.79 |
-69.79 |
-70.06 |
-70.06 |
|
PRP Note3 |
dBm/15kHz |
-103 |
-111 |
-112.7 |
-112.7 |
-103 |
-111 |
-112.7 |
-112.7 |
|
|
dB |
-5 |
-13 |
-12 |
-15 |
-5 |
-13 |
-12 |
-15 |
|
RSRP Note 3 |
dBm/15kHz |
-103 |
-111 |
-110 |
-113 |
-103 |
-111 |
-110 |
-113 |
|
Propagation condition |
AWGN |
||||||||
|
Note 1: OCNG shall be used such that both cells are fully allocated and a constant total transmitted power spectral density is achieved for all OFDM symbols (other than those in the PRS subframes). Note 2: Interference from other cells and noise sources not specified in the test is assumed to be constant over subcarriers and time and shall be modelled as AWGN of appropriate power for Note 3: Note 4: Test3 and Test4 are not used for test 9.3.10.1 |
|||||||||
Note2
Note3
Note 3
to be fulfilled.
, PRS 
, Io, RSRP and PRP levels have been derived from other parameters for information purposes. They are not settable parameters themselves. Io values are derived in the case that there is no PBCH, PSS or SSS in the OFDM symbols carrying PRSTable 9.3.10.1.5-2: RSTD FDD intra-frequency accuracy requirements for the reported values
|
Test 1 |
Test 2 |
|
|
Lowest reported value |
RSTD_6248 |
RSTD_6431 |
|
Highest reported value |
RSTD_6280 |
RSTD_6463 |
The test tolerances are defined in clauses C.1.3 and C4.
For the overall test to pass, the ratio of successful reported values in each sub-test shall be more than 90% with a confidence level of 95%.
9.3.10.2 FDD intra-frequency RSTD Measurement Accuracy in CE Mode B for Category M2
9.3.10.2.1 Test purpose
To verify that the RSTD measurement accuracy for UE Category M2 is within the specified limits in enhanced coverage mode in an environment with fading propagation conditions.
9.3.10.2.2 Test applicability
This test applies to E-UTRA FDD UE Category M2 release 14 and forward that supports UE-assisted OTDOA and CE Mode B.
9.3.10.2.3 Minimum conformance requirements
The accuracy requirements in Table 9.3.10.2.3-1 are valid under the following conditions:
Conditions defined in 36.101 [2] Clause 7.3 for reference sensitivity are fulfilled.
PRP 1,2|dBm according to Annex E.2 for a corresponding Band
For a UE that does not need a measurement gap for intra-frequency RSTD measurement, there are no measurement gaps overlapping with the PRS subframes of the measured serving cell and PRS are available within the UE measurement bandwidth in all PRS subframes
For a UE that needs a measurement gap for intra-frequency RSTD measurement, the measurement gaps are configured to contain PRS subframes
The parameter expectedRSTDUncertainty signalled over LPP by E-SMLC as defined in TS 36.355 [4] is less than 5 µs.
Table 9.3.10.2.3-1: RSTD intra-frequency measurement accuracy for CEModeB
|
Accuracy |
Conditions |
||||||
|
PRS Ês/Iot |
Minimum PRS bandwidth, which is minimum of serving cell channel bandwidth and the PRS bandwidths of the reference cell and the measured neighbour cell i Notes 3, 6 |
Minimum number of available measurement subframes among the reference cell and the measured neighbour cell i |
The number of consecutive downlink subframes NPRS among the reference cell and the measured neighbour cell i as defined in [24] |
Io Note 4 range |
|||
|
E-UTRA operating band groups Note 5 |
Minimum |
Maximum |
|||||
|
Ts Note 2 |
dB |
RB |
dBm/15kHz |
dBm/BWChannel |
|||
|
±15 |
(PRS Ês/Iot)ref ≥-15dB and (PRS Ês/Iot)i ≥-15dB |
≥ 6 |
≥ 12 |
≥ 6 |
FDD-M1_A, TDD-M1_A |
-121 |
-50 |
|
FDD-M1_B |
-120.5 |
-50 |
|||||
|
FDD-M1_C, TDD-M1_C |
-120 |
-50 |
|||||
|
FDD-M1_D |
-119.5 |
-50 |
|||||
|
FDD-M1_E, TDD-M1_E |
-119 |
-50 |
|||||
|
FDD-M1_F |
-118.5 |
-50 |
|||||
|
FDD-M1_G |
-118 |
-50 |
|||||
|
FDD-M1_H |
-117.5 |
-50 |
|||||
|
FDD-M1_N |
-114.5 |
-50 |
|||||
|
±6 |
(PRS Ês/Iot)ref ≥-15dB and (PRS Ês/Iot)i ≥-15dB |
≥ 24 |
≥ 4 |
≥ 4 |
Note 7 |
Note 7 |
Note 7 |
|
NOTE 1: This minimum Io condition is expressed as the average Io per RE over all REs in an OFDM symbol. NOTE 2: Ts is the basic timing unit defined in TS 36.211 [26]. NOTE 3: PRS bandwidth is as indicated in prs-Bandwidth in the OTDOA assistance data defined in TS 36.355 [4]. NOTE 4: The Io is defined in PRS positioning subframes. The same Io range applies to PRS and non-PRS symbols. Io levels are different in PRS and non-PRS symbols within the same subframe. NOTE 5: E-UTRA operating band groups are as defined in Section 4.4.2. NOTE 6: The serving cell, the reference cell, and the measured neighbour cell i are on the same carrier frequency. NOTE 7: The same bands and the same Io conditions for each band apply for this requirement as for the corresponding requirement with the PRS bandwidth ≥ 6 RB. |
|||||||
The normative reference for this requirement is TS 36.133 [23] clause 9.1.25.5 and A.9.8.23.
9.3.10.2.4 Test description
9.3.10.2.4.1 Initial conditions
Same as in clause 9.3.10.1.4.1 adding Test 3 and Test 4 and replacing Table 9.3.10.1.4.1-1 with Table 9.3.10.2.4.1-1.
The true RSTD (which is the receive time difference for frame 0 between cell 2 and cell 1 as seen at the UE antenna connector) is set to the following values:
– Test 1: -92 Ts (about -3 s)
– Test 2: 92 Ts (about 3 s)
– Test 3: 92 Ts (about 3 s)
– Test 4: -92 Ts (about -3 s)
Note that the related expectedRSTD values to be signalled over LPP are defined in Table 9.3.10.2.4-1 for each test.
Table 9.3.10.2.4.1-1: General test parameters for E-UTRAN FDD intra-frequency RSTD measurement Accuracy under fading propagation conditions
|
Parameter |
Unit |
Value |
Comment |
|||
|
Test1 |
Test2 |
Test3 |
Test4 |
|||
|
M-PDCCH parameters |
R.18 FDD |
R.18 FDD |
As specified in TS 36.521-3 [25] clause A.7.1. |
|||
|
mPDCCH-startSF-UESS |
10 |
10 |
Parameter G in which determines subframe k0 in which MPDCCH starts
|
|||
|
OCNG Patterns defined in TS 36.521-3 [25] clause D.1 |
OP.21 FDD |
OP.21 FDD |
OCNG shall be used such that both cells are fully allocated and a constant total transmitted power spectral density is achieved for all OFDM symbols (other than those in the PRS subframes). |
|||
|
Reference cell |
Cell 1 |
|||||
|
Neighbour cell |
Cell 2 |
|||||
|
E-UTRA RF Channel Number |
1 |
One carrier frequency is used. |
||||
|
System channel Bandwidth (BWchannel) |
MHz |
10 |
10 |
|||
|
PRS Transmission Bandwidth Note 2 |
RB |
50 Note 4 |
50 Note 4 |
PRS bandwidth is as indicated in prs-Bandwidth in the OTDOA assistance data defined in TS 36.355 [4]. |
||
|
PRS configuration Index |
151 |
151 |
As defined in TS 36.211 [26] |
|||
|
Number of consecutive positioning downlink subframes Note 2
|
6 |
4 |
As defined in TS 36.211 [26] |
|||
|
prs-MutingInfo Note 2 |
Cell 1: ‘11110000’ Cell 2: ‘11110000’ |
See section 6.5.1.2 in 3GPP TS 36.355 [4] for more information |
||||
|
Cell ID Note 2 |
(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 0 |
(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 1 |
(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 0 |
(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 3 |
||
|
Expected RSTD Note 1 |
μs |
Cell 2: 1 Other neighbour cells: randomly between -3 and 3 |
Cell 2: -1 Other neighbour cells: randomly between -3 and 3 |
Cell 2: -1 Other neighbour cells: randomly between -3 and 3 |
Cell 2: 1 Other neighbour cells: randomly between -3 and 3 |
|
|
Expected RSTD uncertainty for all neighbour cells Note 1 |
μs |
5 |
5 |
5 |
5 |
|
|
CP length Note 2 |
Normal |
|||||
|
DRX |
OFF |
|||||
|
Radio frame receive time offset between the cells at the UE antenna connector Note 3 |
μs |
Cell 2 to Cell 1: -3 |
Cell 2 to Cell 1: 3 |
Cell 2 to Cell 1: 3 |
Cell 2 to Cell 1: -3 |
PRS are transmitted from synchronous cells |
|
Number of cells provided in OTDOA assistance data |
16 |
The number of cells includes the reference cell |
||||
|
|
ms |
12800 |
5120 |
Derived according to the RSTD measurement requirements specified in section 9.3.10.2.3 |
||
|
NOTE 1: Parameters “Expected RSTD” and “Expected RSTD uncertainty for all neighbour cells” are not settable parameters. These are parameters signalled in LPP only. For the values to be used in LPP see Table 9.3.10.1.4.3-4 and TS 37.571-5 [20], clause 7.2.5. NOTE 2: Parameters “PRS Transmission Bandwidth”, “PRS configuration index”, “Number of consecutive positioning downlink subframes”, “prs-MutingInfo”, “Cell ID” and “CP length” are settable parameters and also parameters signalled in LPP. The values to be used for “Cell ID” are as follows: Cell 1: 0, Cell 2: Test 1: 6, Test 2: 7, Test 3: 6, Test 4: 9. For all the values to be used in LPP see Table 9.3.10.1.4.3-4 and TS 37.571-5 [20], clause 7.2.5. NOTE 3: The parameter “Radio frame receive time offset between the cells at the UE antenna connector” is not a settable parameter but is used to set the “true RSTD” values in step 6 of clause 9.1.3.4.1. NOTE 4: If the PRS transmission bandwidth is larger than the UE RF bandwidth, the UE is measuring RSTD within its RF bandwidth. NOTE 5: The parameter “ |
||||||
Note 2
Note 5
” is not a settable parameter but is used to set the LPP “time” value in Table 9.3.10.2.4.3-1. The value of the LPP time IE is set to 
+ T ms, where T = 150 ms, giving a value of 12950 ms for Test 1 and 2 and 5270 ms for Test 3 and 4. This is rounded up to the next allowed LPP value of 13 or 6 seconds, respectively.9.3.10.2.4.2 Test procedure
Same as in clause 9.3.7.1.4.2 but using condition CEModeB.
9.3.10.2.4.3 Message contents
Same as in clause 9.3.7.1.4.3 with the following exceptions:
Table 9.3.10.2.4.3-1: LPP RequestLocationInformation
|
Derivation Path: Table 9.3.7.1.4.3-4 |
|||
|
Information Element |
Value/remark |
Comment |
Condition |
|
LPP-Message ::= SEQUENCE { |
|||
|
lpp-MessageBody CHOICE { |
|||
|
c1 CHOICE { |
|||
|
requestLocationInformation SEQUENCE { |
|||
|
criticalExtensions CHOICE { |
|||
|
c1 CHOICE { |
|||
|
requestLocationInformation-r9 SEQUENCE { |
|||
|
commonIEsRequestLocationInformation SEQUENCE { |
|||
|
qos SEQUENCE { |
|||
|
responseTime SEQUENCE { |
|||
|
time |
13 |
See Note 4 in Table 9.3.10.2.4.1-1 |
Test 1 or Test 2 |
|
time |
6 |
See Note 4 in Table 9.3.10.2.4.1-1 |
Test 3 or Test 4 |
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
|
} |
|||
9.3.10.2.5 Test requirement
Same as in clause 9.3.10.1.5 but replacing Table 9.3.10.1.5-2 with Table 9.3.10.2.5-1:
Table 9.3.10.2.5-1: RSTD FDD intra-frequency accuracy requirements for the reported values
|
Test 1 |
Test 2 |
Test 3 |
Test 4 |
|
|
Lowest reported value |
RSTD_6257 |
RSTD_6440 |
RSTD_6440 |
RSTD_6257 |
|
Highest reported value |
RSTD_6271 |
RSTD_6454 |
RSTD_6454 |
RSTD_6271 |
For the overall test to pass, the ratio of successful reported values in each sub-test shall be more than 90% with a confidence level of 95%.