23401 3GPP PDF

(3GPP TS version Release 12). TECHNICAL The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under. Descriptor and Table of Contents (1 of 40) for 3GPP TS – General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio. 3GPP TS Numbering, Addressing and Identification 3GPP CT WG4 access 3GPP SA WG2 3GPP TS.

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The low access priority indicator in NAS signalling and the corresponding low access priority for RRC connection establishment are only used by the network to decide whether to accept the NAS request or the setup of the RRC connection respectively. System aspects of vocoder rate adaptation for LTE. The network supporting emergency services for UEs in limited service state provides emergency bearer services to these UE, regardless whether the UE can be authenticated, has roaming or mobility restrictions or a valid subscription, depending on local regulation.

MME Pool Areas may overlap each other. The use of the certificate-based and pre-shared key solutions is specified in Annex D of TS A UE which only has bearer s related to emergency bearer service. Home routed traffic NOTE 1: Spec Type Title Status Prime grp. However, the home operator can take care to prevent a subscription for Access Class from being used in a UE configured for low access priority.

UEs can be configured for one or more of the above options.

Explicit reference points are not defined for these routes. Serving GW Service Area: Also UEs that had attached for normal services and do not have emergency bearers established and are camped on a cell in limited service state e.


www.3gpp.org – /ftp/specs/archive/23_series/23.401/

Specific situations that require setting the RRC establishment cause to emergency are described in TS Alternative MME implementations are permitted, however, the externally visible MME behaviour should conform to the above description. These permit node specific features to be developed to protect the networks.

The usage of priority level is defined in TS History Action date Action Author. To avoid that large amounts of UEs initiate deferred requests almost simultaneously, the MME should select the Mobility Management back-off timer value so that deferred requests are not synchronized.

3GPP TS (1 of 40) – GPRS enhancements for E-UTRAN access

Emergency bearer services are provided to support IMS emergency sessions. This reference point corresponds to Gi for 3GPP accesses. References are either specific identified by date of publication, edition number, version number, etc. If all of the PDN connections for the UE need to be relocated, the MME may initiate the “explicit detach with reattach required” 3gp as specified in clause 5.


Additionally, the local network may want to provide IMS emergency call support differently than what is allowed by a UE subscription. During 3ypp overload situation the MME should attempt to maintain support for emergency bearer services.

MPS supports priority sessions on an “end-to-end” priority basis. SA2 system aspects of vocoder rate adaptation for LTE. Attach for RN preconfiguration. For emergency bearer services any EPC functions, procedures and capabilities are provided according to clause 4 except when specified differently in the following sections.

In addition to this shared radio access network the operators may or may 3gpp have additional dedicated radio access networks, like for 3gpp, 3G or 2G radio access networks. Under change control Type: The low access priority indication may be included in charging records by the visited and home networks. The other roaming architectures with services provided by the home network do not apply for emergency services.


Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change 3gp; release date and an increase in version number as follows: It shall be possible, e. UEs that camp normally on a cell, i.

Specification withdrawal has failed. Stage 2 for Relays for LTE. However, these UEs have the capability to generate normal quantities of signalling.

Delete Subscriber Data functional procedure – can’t find in 3GPP : LTE

The RN follows normal UE behaviour, e. If it has not been released: Direct Transfer … 5b.

This allows for rejection of subsequent requests without HSS signalling when the congestion situation resulting from UEs with a particular subscribed APN persists. When the UE receives a handover command, the UE shall proceed with the handover procedure regardless of whether Mobility Management back-off timer is running.

By making the centre of this set of tracking areas close to the UE’s current location, the chance 3gppp a UE rapidly making another tracking 3gp update can be reduced. Deleted – Architecture enhancements for non-3GPP accesses.