hash stringlengths 32 32 | doc_id stringlengths 5 12 | section stringlengths 5 1.47k | content stringlengths 0 6.67M |
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a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.2.2.1 Message Type
| This parameter indicates the type of a message, either a CBS message or a Schedule Message. The Coding of the Message Type is described in 3GPP TS 25.324 [19].
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.2.2.2 Message ID
| This parameter identifies the source and type of the CBS Message (see also 3GPP TS 25.324 [19]). It is identical with the Message Identifier described in clause 9.4.1.2.2 with respect to its structure and possible value range. Within a multi technology network of one operator, e.g. GSM combined with UMTS, the values id... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.2.2.3 Serial Number
| This parameter identifies a particular CBS Message from the source and type indicated by the Message ID (see also 3GPP TS 25.324 [19]). It is identical with the Serial Number described in clause 9.4.1.2.1 with respect to its structure and possible value range.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.2.2.4 Data Coding Scheme
| This parameter identifies the the alphabet/coding and the language applied to a CBS Message as defined in 3GPP TS 23.038 [3].
When the USIM indicates one or more language preferences, the UE shall, by default, use the language(s) stored in the USIM (in the EFPL file) to set any language filter mechanisms provided by ... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.2.2.5 CB Data
| This parameter consists of the following WRITE-REPLACE primitive parameters as received from the CBC (see clause 9.2.2):
- Number-of-Pages;
- CBS‑Message‑Information‑Page;
- CBS-Message-Information-Length.
Table 9.4.2.2.5-1: CB Data parameters
Octet Number(s)
Parameter
1
Number-of-Pages
2 – 83
CBS‑Message‑Inf... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3 E-UTRAN
| |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.1 General Description
| The warning message may be segmented within E-UTRAN for transmission over radio interface.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.2 Message Parameter
| Table 9.4.3.2-1: Message parameters
Parameter
Message Identifier
Serial Number
CB Data {Warning Message Content E-UTRAN}
Data Coding Scheme
Warning Area Coordinates (O)
Table 9.4.3.2-1 gives a high-level description of the warning message content. The format of the warning message is described in 3GPP TS 36.33... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.2.1 Message Identifier
| This parameter identifies the source and type of the warning message. The contents of the parameter are specified in clause 9.4.1.2.2 with respect to its structure and possible value range.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.2.2 Serial Number
| This parameter identifies a particular warning message from the source and type indicated by the Message Identifier. The contents of the parameter are specified in clause 9.4.1.2.1 with respect to its structure and possible value range.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.2.3 Data Coding Scheme
| This parameter identifies the alphabet/coding and the language applied to the warning message as defined in 3GPP TS 23.038 [3]. The contents of the parameter are specified in clause 9.4.2.2.4 with respect to its structure and possible value range.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.2.4 CB Data
| This parameter contains the content of the warning message and is contained in the Warning Message Content E-UTRAN IE (see clause 9.3.35) of the WRITE-REPLACE-WARNING-REQUEST Request message received from the CBC (see clause 9.2.16). It is encoded as specified in clause 9.4.2.2.5.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.2.5 Warning Area Coordinates
| This parameter contains the coordinates of the warning area and is contained in the Warning Area Coordinates IE (see clause 9.3.63) of the WRITE-REPLACE-WARNING-REQUEST Request message received from the CBC (see clause 9.2.16) or WRITE-REPLACE-WARNING-REQUEST-NG-RAN request message received from the CBCF (see clause 9.... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3 ETWS Primary Notification message
| |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3.1 General Description
| The ETWS Primary Notification message for E-UTRAN radio interface is described in 3GPP TS 36.331 [36]. The ETWS Primary Notification message is structured as in table 9.4.3.3.2-1.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3.2 Message Parameter
| Table 9.4.3.3.2-1: ETWS Primary Notification Message parameters
Octet Number(s)
Parameter
1‑2
Message Identifier
3‑4
Serial Number
5-6
Warning Type
7-56
dummy(O)
7-n
Warning Area Coordinates (O)
The octets in table 9.4.3.3.2-1 are transmitted in order, starting with octet 1. The bits within these octets... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3.3 Message Identifier
| This parameter identifies the source and type of the ETWS Primary Notification message. The contents of the parameter are specified in clause 9.4.1.2.2 with respect to its structure and possible value range.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3.4 Serial Number
| This parameter identifies a particular ETWS Primary Notification message from the source and type indicated by the Message Identifier and is altered every time the ETWS Primary Notification message with a given Message Identifier is changed. The contents of the parameter are specified in clause 9.4.1.2.1 with respect t... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3.5 Warning Type
| This parameter identifies the warning type of the ETWS Primary Notification message. It is identical with the Warning Type described in clause 9.3.24 with respect to its structure and possible value range.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3.6 Dummy
| This parameter is not used in the specification. If included, the UE shall ignore this parameter.
This parameter is not included in satellite E-UTRAN and satellite NG-RAN.
|
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.3.3.7 Warning Area Coordinates
| This parameter is applicable only for satellite E-UTRAN and satellite NG-RAN.
This parameter contains the coordinates of the warning area and is contained in the Warning Area Coordinates IE (see clause 9.3.63) of the WRITE-REPLACE-WARNING-REQUEST Request message received from the CBC (see clause 9.2.16) or the WRITE-R... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.4.4 NG-RAN
| The format of the CBS Message for NG-RAN is same as format of the CBS Message defined for E-UTRAN as described in clause 9.4.3.2 and 3GPP TS 36.331 [36].
The format of the ETWS Primary Notification message is same as format of the ETWS Primary Notification message defined for E-UTRAN as described in clause 9.4.3.3 and... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 9.5 CBS Compression
| Cell Broadcast messages may be compressed in accordance with the compression algorithm described in 3GPP TS 23.042 [14].
The Data Coding Scheme parameter (see clause 9.4.1.2.3) indicates whether or not a CBS Message is compressed.
Compression and decompression may take place between a CBE and an MS/UE or between a CB... |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 1 If the CBCF supports reception of Restart Indication messages and Failure Indication messages then the CBCF uses the Namf_Communication_NonUeInfoSubscribe service operation to subscribe to these notifications.
| |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 2 A RAN Node sends a Restart Indication or a Failure Indication to the AMF.
| |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 3 The AMF forwards the Restart Indication or a Failure Indication to the CBCF using the Namf_Communication_NonUeInfoNotify service operation.
| |
a3b117234c7e2cb4e7f7e3871635bcca | 23.041 | 10 CBS Index
| An index structure is defined in this clause. Index can be used by the operator to inform the end user about the type of CBS services available. Index has the structure of a tree. It can thus have sub parts which are called subindexes. A subindex can be embedded in the same index message as its parent ("embedded subind... |
a21c68cd05f339296826517e9a705288 | 23.122 | 1 Scope
| The present document gives an overview of the tasks undertaken by the Core network protocols of a Mobile Station (MS) when in idle mode, that is, switched on but typically not having a dedicated channel allocated. It also describes the corresponding network functions. The idle mode functions are also performed by a GPR... |
a21c68cd05f339296826517e9a705288 | 23.122 | 1.1 References
| The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or non‑specific.
- For a specific reference, subsequent revisions do not apply.
-... |
a21c68cd05f339296826517e9a705288 | 23.122 | 1.2 Definitions and abbreviations
| For the purposes of the present document, the abbreviations defined in 3GPP TR 21.905 [36] apply.
(A/Gb mode only): Indicates this clause applies only to a GSM system which operates in A/Gb mode. For multi system case this is determined by the current serving radio access network.
(Iu mode only): Indicates this claus... |
a21c68cd05f339296826517e9a705288 | 23.122 | 2 General description of idle mode
| When an MS is switched on, it attempts to make contact with a public land mobile network (PLMN) or stand-alone non-public network (SNPN). The particular PLMN or SNPN to be contacted may be selected either automatically or manually.
The MS looks for a suitable cell of the chosen PLMN or SNPN and chooses that cell to pr... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3 Requirements and technical solutions
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.0 General
| The following clauses list the main requirements of idle mode operation and give an outline of the technical solution.
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a21c68cd05f339296826517e9a705288 | 23.122 | 3.1 PLMN selection and roaming
| The MS normally operates on its home PLMN (HPLMN) or equivalent home PLMN (EHPLMN). However, a visited PLMN (VPLMN) may be selected, e.g., if the MS loses coverage. There are two modes for PLMN selection:
i) Automatic mode ‑ This mode utilizes a list of PLMN/access technology combinations in priority order. The highes... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.2 Regional provision of service
| An MS may have a "regionally restricted service" where it can only obtain service on certain areas (i.e. LAs or TAs). If such an MS attempts to camp on a cell of an area for which it does not have service entitlement, when it does an LR request, it will receive a message with cause value #12 (see 3GPP TS 24.008 [23], 3... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.3 Borders between registration areas
| If the MS is moving in a border area between registration areas, it might repeatedly change between cells of different registration areas. Each change of registration area would require an LR, which would cause a heavy signalling load and increase the risk of a paging message being lost. The access stratum shall provid... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.4 Access control
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.4.1 Access control
| Due to problems in certain areas, network operators may decide to restrict access from some MSs (e.g., in case of congestion), and for this reason, a mechanism for common access control is provided. In A/Gb mode and Iu mode a mechanism for domain specific access control is also provided (see 3GPP TS 43.022 [35], 3GPP T... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.4.2 Forbidden LA or TA for regional provision of service
| The MS is not allowed to initiate establishment of a CM connection except for an emergency call when camped on a cell of an LA or TA of which belongs to the list of "forbidden location areas for regional provision of service" or "forbidden tracking areas for regional provision of service". The MS may respond to paging.... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.5 No suitable cell (limited service state)
| There are a number of situations in which the MS is unable to obtain normal service from a PLMN or SNPN. These include:
a) Failure to find a suitable cell of the selected PLMN or of the selected SNPN;
b) No SIM in the MS or the "list of subscriber data" with no valid entry;
c) A "PLMN not allowed", "Requested servic... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.6 CTS fixed part selection (A/Gb mode only)
| In CTS mode only or in automatic mode with CTS preferred, the CTS MS normally operates on a CTS fixed part on which the mobile station is already enrolled. If the CTS MS loses CTS coverage in these modes, it shall attempt periodically to select again a CTS fixed part.
To select a CTS fixed part, the CTS MS shall liste... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.7 NAS behaviour configuration
| NAS behaviour can be operator configurable using parameters in the USIM (see 3GPP TS 31.102 [40]) or in the ME (see 3GPP TS 24.368 [50]). For parameters available in both the USIM and the ME, precedence is specified in 3GPP TS 31.102 [40] clause 5.2.29.
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a21c68cd05f339296826517e9a705288 | 23.122 | 3.8 CAG selection (N1 mode only)
| The MS may support CAG.
The MS may support enhanced CAG information. If the MS supports enhanced CAG information, the MS shall support CAG.
If the MS supports CAG, the MS can be provisioned by the network with a "CAG information list", consisting of zero or more entries, each containing:
a) a PLMN ID;
b) an "Allowe... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.9 SNPN selection
| An MS may be enabled for SNPN.
An MS enabled for SNPN may operate in SNPN access operation mode over 3GPP access.
An MS may support onboarding services in SNPN.
An MS enabled for SNPN may support access to an SNPN using credentials from a credentials holder.
An MS enabled for SNPN may support access to an SNPN prov... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.10 Minimization of service interruption
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.10.1 General
| The MS may support Minimization of service interruption (MINT).
MINT is not applicable in SNPNs.
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a21c68cd05f339296826517e9a705288 | 23.122 | 3.10.2 MINT for MS to obtain service in 5GS under disaster condition
| For a PLMN that provides disaster roaming services, if one of the CAG-ID(s) broadcasted by a CAG cell for the PLMN is authorized based on the "Allowed CAG list" included in the entry for the PLMN in the "CAG information list", then the UE may attempt to access the PLMN on the CAG cell for disaster roaming services.
If... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.10.3 MINT for MS with 5G-only national roaming access to obtain service in EPS under disaster condition
| The MS may support MINT-EPS. The MS that supports MINT-EPS and in 5G-only national roaming access to a VPLMN, can obtain connectivity service in EPS from that VPLMN for the area where a disaster condition applies. The PLMN ID of the VPLMN under disaster condition can be the same or different from the PLMN ID of VPLMN p... |
a21c68cd05f339296826517e9a705288 | 23.122 | 3.11 Signal level enhanced network selection
| Signal level enhanced network selection is optionally supported by the home operator.
Signal level enhanced network selection applies only to NB-IoT, GERAN EC-GSM-IoT and Category M1 or M2 of E-UTRA. An MS supporting any, or a combination, of NB-IoT, GERAN EC-GSM-IoT and Category M1 or M2 of E-UTRA shall apply signal... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4 Overall process structure
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a21c68cd05f339296826517e9a705288 | 23.122 | 4.1 Process goal
| The aim of the idle mode processes is to ensure that the registered PLMN is the selected PLMN and that the registered SNPN is the selected SNPN.
|
a21c68cd05f339296826517e9a705288 | 23.122 | 4.2 States description
| Each of the processes of PLMN selection and SNPN selection, cell selection and location registration can be described by a set of states. The overall state of the mobile is thus a composite of the states of the three processes. In some cases, an event which causes a change of state in one process may trigger a change o... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.3 List of states
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.3.1 List of states for the PLMN selection process
| 4.3.1.1 List of states for automatic mode (figure 2a)
A1 Trying RPLMN ‑ The MS is trying to perform a Location Registration on the registered PLMN.
A2 On PLMN ‑ The MS has successfully registered on a PLMN.
A3 Trying PLMN ‑ The MS is trying to register on a PLMN in the ordered list of PLMNs.
A4 Wait for PLMNs to ap... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.3.2 Void
| 4.3.3 List of states for location registration (figure 3)
The states are entered depending on responses to location registration (LR) requests. Independent update states exist for GPRS and for non-GPRS operation in MSs capable of GPRS and non-GPRS services.
L0 Null – The MS is considered in this state when switched o... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4 PLMN selection process
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.1 Introduction
| There are two modes for PLMN selection, automatic and manual. These are described in clauses 4.4.3 below and illustrated in figures 2a to 2b in clause 5.
NOTE: Figures 2a to 2b in clause 5 do not cover CAG selection aspects.
The MS not operating in SNPN access operation mode over 3GPP access shall perform PLMN select... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.2 Registration on a PLMN
| The MS shall perform registration on the PLMN if the MS is capable of services which require registration. In both automatic and manual modes, the concept of registration on a PLMN is used. An MS successfully registers on a PLMN if:
a) the MS has found a suitable cell of the PLMN to camp on; and
b) an LR request from... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3 PLMN selection
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.0 General
| The registration on the selected PLMN and the location registration are only necessary if the MS is capable of services which require registration. Otherwise, the PLMN selection procedures are performed without registration.
The ME shall utilise all the information stored in the SIM related to the PLMN selection; e.g.... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1 At switch‑on or recovery from lack of coverage
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1.0 General
| At switch on, following recovery from lack of coverage, or when the MS stops operating in the SNPN access operation mode over 3GPP access:
a) if:
- signal level enhanced network selection is not applicable (see clause 3.11), or
- the MS has stopped applying signal level enhanced network selection according to requi... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1.1 Automatic Network Selection Mode Procedure
| The MS selects and attempts registration on other PLMN/access technology combinations, if available and, for bullets i, ii, iii, iv, v, v-0 allowable, in the following order:
i) either the HPLMN (if the EHPLMN list is not present or is empty) or the highest priority EHPLMN that is available (if the EHPLMN list is pres... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1.2 Manual Network Selection Mode Procedure
| The MS indicates whether there are any PLMNs, which are available using all supported access technologies. This includes PLMNs in the "forbidden PLMNs" list, "forbidden PLMNs for GPRS service" list, PLMNs which only offer services not supported by the MS, the list of "PLMNs not allowed to operate at the present UE loca... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1.3 Manual CSG selection
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1.3.1 General
| The HPLMN may configure the MS whether to provide to the user CSGs for a certain PLMN without any restriction or to provide to the user only CSGs in the Operator CSG List for that PLMN.This configuration may be done either:
- in the USIM if the Operator CSG list is available in the USIM; or
- as described in 3GPP TS ... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1.3.2 Manual CSG selection within the RPLMN
| If the user selects a CSG whose CSG identity is not included in the Allowed CSG list or Operator CSG list, then the MS shall attempt to register on a cell that corresponds to the CSG. For such a registration, the MS shall ignore the contents of the "forbidden location areas for roaming", "forbidden tracking areas for r... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.1.3.3 Manual CSG selection in a PLMN different from the RPLMN
| If the user selects a CSG in a PLMN that is different from the RPLMN, then the following applies:
i) The MS shall store a duplicate of the RPLMN and a duplicate of the PLMN selection mode that were in use before the manual CSG selection was initiated, unless this manual CSG selection follows another manual CSG selecti... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.2 User reselection
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.2.0 General
| At any time the user may request the MS to initiate reselection and registration onto an available PLMN, according to the following procedures, dependent upon the operating mode.
|
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.2.1 Automatic Network Selection Mode
| The MS selects and attempts registration on PLMN/access technology combinations, if available and allowable, in all of its bands of operation in accordance with the following order:
i) the HPLMN (if the EHPLMN list is not present or is empty) or the highest priority EHPLMN that is available (if the EHPLMN list is pres... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.2.2 Manual Network Selection Mode
| The Manual Network Selection Mode Procedure of clause 4.4.3.1.2 is followed.
|
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.2.3 Manual CSG selection
| The procedure of clause 4.4.3.1.3 is followed.
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a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.3 In VPLMN
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.3.1 Automatic and manual network selection modes
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.3.1.1 Automatic and manual network selection modes when not registered for disaster roaming services
| If the MS is not registered for disaster roaming services and is in a VPLMN:
- which is included in the "Operator controlled lower selection-priority PLMN selector with access technology" list, then the MS shall periodically attempt to obtain service on higher priority PLMN/access technology combinations listed in i),... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.3.1.2 Automatic and manual network selection modes when registered for disaster roaming services
| If the MS is registered for disaster roaming services, the MS shall periodically attempt to obtain service on an allowable PLMN of the same country as the current serving PLMN in accordance with the requirements as defined in the Automatic Network Selection Mode in clause 4.4.3.1.1.
If the MS is registered for disaste... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.3.2 Manual CSG selection
| The procedure of clause 4.4.3.1.3 is followed.
|
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.4 Investigation Scan for higher prioritized PLMN
| The support of this procedure is mandatory if the ME supports GSM COMPACT and otherwise optional.
An MS capable of both GSM voice and packet service shall, when indicated in the SIM, investigate if there is service from a higher prioritized PLMN not offering GSM voice service, either HPLMN (if the EHPLMN list is not p... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.3.5 Periodic attempts for signal level enhanced network selection
| If signal level enhanced network selection is applicable (see clause 3.11) and the received signal quality of registered PLMN observed over an averaging window is lower than the "Operator controlled signal threshold per access technology" the MS shall periodically attempt to obtain service on an allowable PLMN/access t... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.4 Abnormal cases
| If there is no SIM in the MS, if there is an authentication failure, or if the MS receives an "IMSI unknown in HLR", "illegal ME" or "illegal MS" response to an LR request, then effectively there is no selected PLMN ("No SIM" state). In these cases, the states of the cell selection process are such that no PLMN selecti... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.5 Roaming not allowed in this LA or TA
| If in either PLMN selection mode the LR response "Roaming not allowed in this LA" or "Roaming not allowed in this TA" is received:
The PLMN Automatic or Manual Mode Selection Procedure of clause 4.4.3.1 are followed, depending on whether the MS is in automatic or manual mode.
|
a21c68cd05f339296826517e9a705288 | 23.122 | 4.4.6 Steering of roaming
| If the MS receives a USAT REFRESH command qualifier (3GPP TS 31.111 [41]) of type "Steering of Roaming", the MS shall:
a) replace the highest priority entries in the "Operator Controlled PLMN Selector with Access Technology" list stored in the ME with the list provided in the REFRESH command, if any, or replace the SO... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.5 Location registration process
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.5.1 General
| When the MS is switched on and capable of services requiring registration, the action taken by the location registration process is as follows:
a) SIM present and no LR needed (because of the status of the stored registration area identity and "attach" flag): The MS is in the update state "Updated";
b) SIM present an... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.5.2 Initiation of Location Registration
| An LR request indicating Normal Updating is made when, in idle mode,
- the MS changes cell while the update status is "NOT UPDATED"; (for MS capable of GPRS and non-GPRS services when at least one of both update statuses is "NOT UPDATED")
- the MS detects that it has entered a new registration area, i.e., when the re... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.5.3 Periodic Location Registration
| A Periodic Location Updating timer (for non-GPRS operation), a Periodic Routing Area Update timer (for GPRS operation), a Periodic Tracking Area Update timer (for EPS operation) and a Periodic Registration Update timer (for 5GS operation) with the following characteristics shall be implemented in the MS (MS shall imple... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.5.4 IMSI attach/detach operation
| The system information will contain an indicator indicating whether or not IMSI attach/detach operation is mandatory to use in the cell. The MS shall operate in accordance with the received value of the indicator.
A GPRS MS shall perform GPRS attach/detach procedures independent of the value of the IMSI attach/detach ... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.5.5 No Suitable Cells In Location Area
| If during location registration the LR response "No Suitable Cells In Location Area" or "No Suitable Cells In Tracking Area" is received:
- The MS shall attempt to find another LA or TA of the same PLMN, the same SNPN, an equivalent PLMN or an equivalent SNPN, on which it received the LR response. If the MS is able to... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.6 Service indication (A/Gb mode only)
| This is an indication to the user that service or CTS service is available.
The service indication should be set if the following conditions are all satisfied:
a) Cell Selection: Camped on a suitable cell and in updated state, or in connected mode having been camped on a suitable cell.
b) Location registration: In u... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.7 Pageability of the mobile subscriber
| An MS is required to listen to all paging messages that could address it (see 3GPP TS 45.002 [24]), when the following conditions are all satisfied:
- A SIM is inserted;
- The MS is camped on a cell;
- The MS is not in state "Idle, No IMSI"; and
- The MS is not performing the task to search for available PLMNs or a... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.8 MM Restart Procedure
| In some cases, e.g. on change of SIM data, there is a need for the MM to be restarted without the need for user intervention.
To perform the procedure the MS shall behave as if the SIM is removed and afterwards a new SIM is inserted.
|
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9 SNPN selection process
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9.1 General
| The MS operating in SNPN access operation mode over 3GPP access shall perform the SNPN selection process.
The MS not operating in SNPN access operation mode over 3GPP access shall not perform the SNPN selection process.
There are two SNPN selection modes - automatic SNPN selection mode and manual SNPN selection mode.... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9.2 Registration on an SNPN
| The MS shall perform registration on the SNPN if the MS is capable of services which require registration. In both automatic SNPN selection mode and manual SNPN selection mode, the concept of registration on an SNPN is used. An MS successfully registers on an SNPN if:
a) the MS has found a suitable cell of the SNPN to... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9.3 SNPN selection
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9.3.0 General
| The ME is configured with a "list of subscriber data" containing zero or more entries. Each entry of the "list of subscriber data" consists of:
a) a subscriber identifier in the form of a SUPI with the SUPI format "network specific identifier" containing a network-specific identifier or with the SUPI format "IMSI" con... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9.3.1 At switch‑on or recovery from lack of coverage
| |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9.3.1.0 General
| At switch on, following recovery from lack of coverage, or when the MS starts operating in the SNPN access operation mode over 3GPP access, the MS selects the registered SNPN or an equivalent SNPN (if it is available) using NG-RAN access technology and if necessary (in the case of recovery from lack of coverage, see cl... |
a21c68cd05f339296826517e9a705288 | 23.122 | 4.9.3.1.1 Automatic SNPN selection mode procedure
| If:
- there is at least one entry in the "list of subscriber data"; or
- there is zero or more entries in the "list of subscriber data", the MS has a USIM with a PLMN subscription and the ME is provisioned with the SNPN selection parameters associated with the PLMN subscription,
the MS shall select one entry in the ... |
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