7 UE modes
25.3013GPPRadio interface protocol architectureTS
Two modes of operation are currently defined for the UE, idle mode and connected mode [5, 6].
After power on, the UE stays in idle mode until it transmits a request to establish an RRC connection. In idle mode the UE is identified by non-access stratum identities such as IMSI, TMSI and P-TMSI. In addition, the UTRAN has no own information about the individual idle mode UEs, and can only address e.g. all UEs in a cell or all UEs monitoring a specific paging occasion.
The connected mode is entered when the RRC connection is established. A RRC connection is established between the UE and a RNC called SRNC. The UE is assigned a radio network temporary identity (U-RNTI and possibly in addition C-RNTI or, only for TDD, DSCH-RNTI or, only for FDD and 1.28 Mcps TDD, H-RNTI and E-RNTI) to be used as UE identity on common transport channels. RRC connection is within a UTRAN identified with the U-RNTI.
The UE leaves the connected mode and returns to idle mode when the RRC connection is released or at RRC connection failure.
Reception of SMS cell broadcast can be done in both idle and connected mode.
Annex A (informative):
Change history
|
Change history |
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|
Date |
TSG # |
TSG Doc. |
CR |
Rev |
Cat |
Subject/Comment |
New version |
|
04/1999 |
RP-03 |
RP-99259 |
– |
Approved at TSG-RAN #3 and placed under Change Control |
3.0.0 |
||
|
06/1999 |
RP-04 |
RP-99331 |
001 |
Addition of Common Packet Channel (CPCH ) |
3.1.0 |
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|
RP-04 |
RP-99332 |
002 |
Proposed modification of MAC functions |
3.1.0 |
|||
|
RP-04 |
RP-99399 |
003 |
1 |
Addition of ciphering model description |
3.1.0 |
||
|
10/1999 |
RP-05 |
RP-99460 |
004 |
Modification of C-RNTI definition |
3.2.0 |
||
|
RP-05 |
RP-99460 |
005 |
Addition of integrity protection function on RRC |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
006 |
Clarification on the usage of CCCH vs DCCH logical channels |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
007 |
Removal of Quick repeat function from RLC |
3.2.0 |
|||
|
RP-05 |
RP-99575 |
008 |
Introduction of Packet Data Convergence Protocol (PDCP) in the protocol architecture |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
009 |
Deletion of Annex B (informative) |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
010 |
Correction of Ciphering specification (editorial correction) |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
011 |
2 |
Broadcast/Multicast functions |
3.2.0 |
||
|
RP-05 |
RP-99460 |
012 |
Description of Timing Advance mechanism for TDD |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
013 |
MAC primitives addition and modification (harmonization of TDD with FDD) |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
014 |
Impact of two cipher key solution on multiplexing at RLC and MAC level |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
015 |
1 |
Support of Different Access Service Classes (clarification of present text) |
3.2.0 |
||
|
RP-05 |
RP-99460 |
016 |
1 |
Support of USCH/DSCH signalling (introduction of SHCCH, see TS 25.321) |
3.2.0 |
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|
RP-05 |
RP-99460 |
017 |
DCCH mapped to DCH in RLC transparent mode |
3.2.0 |
|||
|
RP-05 |
RP-99576 |
018 |
2 |
Mapping of BCCH logical channel onto FACH transport channel |
3.2.0 |
||
|
RP-05 |
RP-99460 |
019 |
1 |
MAC PDU format for PCCH |
3.2.0 |
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|
RP-05 |
RP-99460 |
020 |
Editorial changes regarding shared channels for TDD |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
021 |
Support of Uplink Synchronization Feature in UL channels (TDD only) |
3.2.0 |
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|
RP-05 |
RP-99460 |
022 |
RRC functions |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
023 |
Modification of termination point for BCH |
3.2.0 |
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|
RP-05 |
RP-99460 |
024 |
Updated description of UE modes |
3.2.0 |
|||
|
RP-05 |
RP-99460 |
025 |
Enhanced protocol architecture |
3.2.0 |
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|
12/1999 |
RP-06 |
RP-99621 |
026 |
1 |
Support of shared channel operation in TDD |
3.3.0 |
|
|
RP-06 |
RP-99620 |
027 |
Alignment to MAC-c/sh merge |
3.3.0 |
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|
RP-06 |
RP-99621 |
028 |
Radio Interface Functions for Cell Broadcast |
3.3.0 |
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|
RP-06 |
RP-99620 |
030 |
1 |
Editorial issues |
3.3.0 |
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|
RP-06 |
RP-99621 |
031 |
1 |
Definition of ciphering unit |
3.3.0 |
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|
03/2000 |
RP-07 |
RP-000034 |
032 |
Correction of the CFN length |
3.4.0 |
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|
RP-07 |
RP-000034 |
034 |
Removal of SCH |
3.4.0 |
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|
06/2000 |
RP-08 |
RP-000214 |
036 |
2 |
Ciphering related corrections |
3.5.0 |
|
|
RP-08 |
RP-000214 |
037 |
Clarification of ciphering parameters |
3.5.0 |
|||
|
RP-08 |
RP-000214 |
038 |
1 |
Signalling radio bearers |
3.5.0 |
||
|
RP-08 |
RP-000214 |
040 |
Replacement of duplicated information on ciphering description by references |
3.5.0 |
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|
09/2000 |
RP-09 |
RP-000352 |
041 |
RLC modes for SHCCH |
3.6.0 |
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|
03/2001 |
RP-11 |
RP-010019 |
043 |
1 |
Correction for RACH/CPCH |
3.7.0 |
|
|
RP-11 |
RP-010019 |
044 |
2 |
Correction to Signalling Radio Bearer |
3.7.0 |
||
|
RP-11 |
RP-010019 |
045 |
1 |
Editorial update for Release’99 |
3.7.0 |
||
|
RP-11 |
RP-010019 |
046 |
Removal of FAUSCH |
3.7.0 |
|||
|
RP-11 |
RP-010019 |
047 |
1 |
Removal of ODMA channels |
3.7.0 |
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|
RP-11 |
RP-010019 |
048 |
1 |
UE Model Channel numbering |
3.7.0 |
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|
RP-11 |
RP-010019 |
049 |
Renaming of Dynamic Transport Channel Type Switching |
3.7.0 |
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|
RP-11 |
RP-010019 |
050 |
Removal of payload unit concept |
3.7.0 |
|||
|
RP-11 |
RP-010037 |
042 |
1.28Mcps TDD |
4.0.0 |
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|
06/2001 |
RP-12 |
RP-010302 |
054 |
Clarification in the services provided to upper layers by RLC |
4.1.0 |
||
|
RP-12 |
RP-010302 |
056 |
Cleanup of Layer 2 services and functions |
4.1.0 |
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|
09/2001 |
RP-14 |
RP-010753 |
059 |
Clean up of RLC function |
4.2.0 |
||
|
RP-14 |
RP-010753 |
061 |
Correction on transport channel numbering |
4.2.0 |
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|
03/2002 |
RP-15 |
RP-020094 |
062 |
1 |
Introduction of HSDPA |
5.0.0 |
|
|
06/2002 |
RP-16 |
RP-020321 |
065 |
Introduction of DSCH-RNTI |
5.1.0 |
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|
RP-16 |
RP-020341 |
066 |
HSDPA specific corrections |
5.1.0 |
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|
09/2002 |
RP-17 |
RP-020671 |
069 |
1 |
Clarification on RLC connection |
5.2.0 |
|
|
12/2003 |
RP-22 |
– |
– |
Upgrade to Release 6 – no technical change |
6.0.0 |
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|
12/2004 |
RP-26 |
RP-040484 |
071 |
Introduction of Enhanced Uplink |
6.1.0 |
||
|
03/2005 |
RP-27 |
RP-050111 |
072 |
Uncomplete logical channel identification for FACH |
6.2.0 |
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|
RP-27 |
RP-050067 |
074 |
Lossless DL RLC PDU size change |
6.2.0 |
|||
|
RP-27 |
RP-050075 |
075 |
Introduction of MBMS |
6.2.0 |
|||
|
06/2005 |
RP-28 |
RP-050308 |
0077 |
Feature Clean-up: Removal of DSCH (FDD) |
6.3.0 |
||
|
RP-28 |
RP-050309 |
0079 |
Feature Clean-up: Removal of CPCH |
6.3.0 |
|||
|
09/2005 |
RP-29 |
RP-050459 |
0081 |
Correction the mapping of PCCH to FACH |
6.4.0 |
||
|
03/2006 |
RP-31 |
RP-060098 |
0082 |
7.68 Mpcs TDD Option (Release 7) |
7.0.0 |
||
|
03/2007 |
RP-35 |
RP-070164 |
0083 |
L2 enhancements: Stage 2 |
7.1.0 |
||
|
06/2007 |
RP-36 |
RP-070403 |
0084 |
1 |
Introduction of Enhanced CELL_FACH state in FDD |
7.2.0 |
|
|
RP-36 |
RP-070404 |
0085 |
Correction to the Introduction of Improved L2 support for high data rates |
7.2.0 |
|||
|
09/2007 |
RP-37 |
RP-070623 |
0087 |
4 |
Clarification on E-DCH and HS-DSCH Logical Channel Identities |
7.3.0 |
|
|
RP-37 |
RP-070626 |
0090 |
Correction to the introduction of Improved L2 support for high data rates |
7.3.0 |
|||
|
12/2007 |
RP-38 |
RP-070909 |
0091 |
Introduction of CS voice over HSPA |
8.0.0 |
||
|
RP-38 |
RP-070908 |
0092 |
Introduction of the Improved L2 in the uplink |
8.0.0 |
|||
|
03/2008 |
RP-39 |
RP-080176 |
0095 |
Correction of figures |
8.1.0 |
||
|
RP-39 |
RP-080202 |
0096 |
Correction of figures and addition of missing references to MAC-is/i |
8.1.0 |
|||
|
05/2008 |
RP-40 |
RP-080415 |
0097 |
Introduction of Uplink Enhanced CELL_FACH in 25.301 |
8.2.0 |
||
|
09/2008 |
RP-41 |
RP-080687 |
0098 |
Clarification of the CS Counter handling |
8.3.0 |
||
|
12/2008 |
RP-42 |
RP-081025 |
0099 |
– |
Introduction of enhanced CELL_FACH, CELL_PCH and URA_PCH for 1.28Mcps TDD |
8.4.0 |
|
|
RP-42 |
RP-081023 |
0100 |
– |
Introduction of MBMS Improved Solution |
8.4.0 |
||
|
03/2009 |
RP-43 |
RP-090265 |
0101 |
– |
Correction on MBMS Improved Solution |
8.5.0 |
|
|
12/2009 |
RP-46 |
– |
– |
– |
Upgrade to the Release 9 – no technical change |
9.0.0 |
|
|
03/2010 |
RP-47 |
RP-100288 |
0103 |
– |
Correction of Protocol termination points for E-DCH for CCCH(R9) |
9.1.0 |
|
|
06/2010 |
RP-48 |
RP-100533 |
0109 |
1 |
Inconsistency in ‘transparancy’ definition in 25.301 -Rel-9 |
9.2.0 |
|
|
03/2011 |
RP-51 |
– |
– |
– |
Upgraded to REL-10 – no technical change |
10.0.0 |
|
|
09/2012 |
RP-57 |
– |
– |
– |
Upgraded to REL-11 – no technical change |
11.0.0 |
|
|
09/2014 |
RP-65 |
– |
– |
– |
Upgraded to REL-12 – no technical change |
12.0.0 |
|
|
12/2015 |
RP-70 |
RP-152061 |
0111 |
1 |
Introduction of URA_PCH with seamless transition |
13.0.0 |
|
|
03/2017 |
SA-75 |
– |
– |
– |
Upgraded to REL-14 – no technical change |
14.0.0 |
|
|
06/2018 |
SA#80 |
Upgraded to REL-15 – no technical change |
15.0.0 |
||||
|
2020-07 |
RP-88e |
– |
– |
– |
– |
Upgrade to Rel-16 version without technical change |
16.0.0 |
|
2022-03 |
RP-95e |
– |
– |
– |
– |
Upgrade to Rel-17 version without technical change |
17.0.0 |