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TS 36.304 (RAN2)
E-UTRA – UE procedures in Idle Mode

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(P) V14.4.0    2017/09    52 p.
(P) V13.7.0    2017/09    50 p.
(P) V12.8.0    2016/06    40 p.
(P) V11.7.0    2016/01    37 p.
(P) V10.9.0    2016/01    35 p.
(P) V9.11.0    2012/07    34 p.
(P) V8.10.0    2011/06    32 p.

Rapporteur:  Mr. Koskela, Jarkko
See also:  Idle-mode-related TS/TR    

This TS specifies the Access Stratum (AS) part of the Idle Mode procedures applicable to a UE. The nonaccess stratum (NAS) part of Idle mode procedures and processes is specified in TS 23.122.

This TS specifies the model for the functional division between the NAS and AS in a UE.

This TS applies to all UEs that support at least E-UTRA, including multi-RAT UEs as described in 3GPP specifications, in the following cases:
  • When the UE is camped on an E-UTRA cell;
  • When the UE is searching for a cell to camp on.
Note:  When the UE is camped on or searching for a cell to camp on belonging to other RATs, the UE behaviour is described in the specifications of the other RAT.


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1   Scope [R8]   PDF-p. 6
2   References [R8]
3   Definitions and abbreviations [R8]   PDF-p. 7
4   General description of Idle mode [R8]   PDF-p. 10
5   Process and procedure descriptions [R8]   PDF-p. 16
5.1   PLMN selection
5.2   Cell selection and reselection
5.2.1   Introduction      Up
5.2.2   States and state transitions in Idle Mode   PDF-p. 18
5.2.3   Cell Selection process   PDF-p. 19
5.2.4   Cell Reselection evaluation process   PDF-p. 22
5.2.5   Void
5.2.6   Camped Normally state
5.2.7   Cell Selection when leaving RRC_CONNECTED state
5.2.7a   Cell Selection when leaving RRC_CONNECTED state for NB-IoT [R13]   PDF-p. 34      Up
5.2.8   Any Cell Selection state
5.2.8a   Any Cell Selection state for NB-IoT [R13]
5.2.9   Camped on Any Cell state
5.3   Cell Reservations and Access Restrictions   PDF-p. 35
5.4   Tracking Area registration
5.5   Support for manual CSG selection
5.6   RAN-assisted WLAN interworking [R12]   PDF-p. 37
6   Reception of broadcast information [R8]   PDF-p. 39
7   Paging [R8]
8   Logged measurements [R10]   PDF-p. 42
9   Accessibility measurements [R11]   PDF-p. 43
10   Mobility History Information [R12]
11   Sidelink operation [R12]
A   Void
C   Change history   PDF-p. 47

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