10.2.37 RRC CONNECTION RELEASE
25.3313GPPProtocol specificationRadio Resource Control (RRC)Release 17TS
This message is sent by UTRAN to release the RRC connection. The message also releases the signalling connection and all radio bearers between the UE and UTRAN.
RLC-SAP: UM
Logical channel: CCCH or DCCH
Direction: UTRANUE
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Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
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Message Type |
MP |
Message Type |
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|
UE information elements |
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|
CHOICE identity type |
CV-CCCH |
REL-5 |
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|
>U-RNTI |
U-RNTI 10.3.3.47 |
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|
> Group identity |
1 to <maxURNTIgroup> |
REL-5 |
|||
|
>>Group release information |
MP |
Group release information 10.3.3.14o |
REL-5 |
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|
RRC transaction identifier |
MP |
RRC transaction identifier 10.3.3.36 |
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|
Integrity check info |
CV-DCCH |
Integrity check info 10.3.3.16 |
Integrity check info is included if integrity protection is applied |
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|
N308 |
CH-Cell_DCH |
Integer(1..8) |
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|
Release cause |
MP |
Release cause 10.3.3.32 |
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|
UE Mobility State Indicator |
CV-DCCH_MD |
Enumerated (High-mobilityDetected) |
Absence of this IE implies that, according to [4] the UE shall consider itself being in the mobility state the UE has maintained in CELL_DCH state or being not in high-mobility state when entering in Idle Mode, if applicable. |
REL-7 |
|
|
Extended Wait Time |
OP |
Extended Wait Time 10.3.3.12a |
REL-10 |
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Other information elements |
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|
Rplmn information |
OP |
Rplmn information 10.3.8.15 |
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Redirection info |
OP |
Redirection info 10.3.3.29 |
REL-6 |
|
Condition |
Explanation |
|
CCCH |
This IE is mandatory present when CCCH is used and not needed otherwise. |
|
DCCH |
This IE is mandatory present when DCCH is used and not needed otherwise. |
|
DCCH_MD |
This IE is mandatory default when DCCH is used and not needed otherwise. |
|
Cell_DCH |
This IE is mandatory present when UE is in CELL_DCH state and not needed otherwise. |