10.2.5 CELL CHANGE ORDER FROM UTRAN
25.3313GPPProtocol specificationRadio Resource Control (RRC)Release 17TS
This message is used to order a cell change from UTRA to another radio access technology, e.g., GSM.
RLC-SAP: AM
Logical channel: DCCH
Direction: UTRANUE
|
Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|---|---|---|---|---|---|
|
Message Type |
MP |
Message Type |
|||
|
UE information elements |
|||||
|
RRC transaction identifier |
MP |
RRC transaction identifier 10.3.3.36 |
|||
|
Integrity check info |
CH |
Integrity check info 10.3.3.16 |
|||
|
Activation time |
MD |
Activation time 10.3.3.1 |
Default value is "now" |
||
|
RB Information elements |
|||||
|
RAB information list |
OP |
1 to <maxRABsetup> |
This IE should not be included in this version of the protocol. |
||
|
>RAB info |
MP |
RAB info 10.3.4.8 |
|||
|
Other information elements |
|||||
|
Target cell description |
MP |
||||
|
>CHOICE Radio Access Technology |
MP |
Two spare values are needed. |
|||
|
>>GSM |
|||||
|
>>>BSIC |
MP |
BSIC 10.3.8.2 |
|||
|
>>>Band Indicator |
MP |
Enumerated (DCS 1800 band used, PCS 1900 band used) |
Indicates how to interpret the BCCH ARFCN |
||
|
>>>BCCH ARFCN |
MP |
Integer (0..1023) |
[45] |
||
|
>>>NC mode |
OP |
Bit string(3) |
Includes bits b1-b3 of the NC mode IE specified in [43]. b1 is the least significant bit. NOTE: The Bit string should be extended to 4 bits in a later version of the message. |
||
|
>>>CHOICE GERAN System Info type |
OP |
REL-5 |
|||
|
>>>>SI |
GERAN system information 10.3.8.4f |
See [44] |
REL-5 |
||
|
>>>>PSI |
GERAN system information 10.3.8.4f |
See [44] |
REL-5 |
||
|
>>IS-2000 |