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Method for supporting services in multimedia broadcast and multicast by sharing Lu signaling connection

A signaling connection and service technology, applied in the field of shared signaling connection, to achieve the effect of backward compatibility

Inactive Publication Date: 2004-05-26
BEIJING SAMSUNG TELECOM R&D CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing SCCP connection establishment conditions need to be modified

Method used

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  • Method for supporting services in multimedia broadcast and multicast by sharing Lu signaling connection
  • Method for supporting services in multimedia broadcast and multicast by sharing Lu signaling connection
  • Method for supporting services in multimedia broadcast and multicast by sharing Lu signaling connection

Examples

Experimental program
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Embodiment Construction

[0066] (1) Transformation of existing messages

[0067] Relocation needs:

[0068] On the basis of the existing specifications, a new information element is added to this message: Permanent NAS UEIdentity, which is used to identify UE in UTRAN and CN. The SGSN uses this information element to find other existing signaling connections (such as the shared Iu signaling connection that other UEs can use). The parameter is the type of Global Mobile Subscriber Identity (IMSI for short). This parameter is an optional type. For UEs that do not receive MBMS services, this message is transmitted through UE-dedicated Iu connections. If it is a UE that receives MBMS services, this message is transmitted through shared Iu connections. This parameter is meaningful.

[0069] Relocation command:

[0070] On the basis of the existing specifications, a new information element is added to this message: Permanent NAS UEIdentity, which is used to identify UE in UTRAN and CN. The RNC uses this ...

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Abstract

When UE receives MBMS service, there is non-MBMS service needed to send. UE sends 'service request' message in non-switch layer to SGSN. In forwarding the said 'service request' message, RNC checks whether UE receives MBMS service or not. If yes, then, UE receives shared Iu connection of a MBMS service, and does not launch procedure for building SCCP connection. Through shared Iu connection, RNC forwards the 'service request' message to SGSN. With the 'service request' message being received and accepted, SGSN returns the 'service request' to MS. Through UE, SGSN receives shared Iu connection of a MBMS service, and sends 'RAB allocation request' message to RNC for requesting to build RAB. Information elements: Permanent NAS UE Identity is added to current 'RAB allocation request' message in order to recognize UE in UTRAN and CN.

Description

technical field [0001] The invention relates to a method for how to support the MBMS service to adopt shared signaling connection on the Iu interface in the process related to the RANAP message and the Iu interface in the mobile communication system. Background technique [0002] Multimedia Broadcast and Multicast Service (hereinafter referred to as MBMS) is a new service being standardized by the Third Generation Partnership Project (hereinafter referred to as 3GPP). The standard under development is TR23.846, and its latest version is 1.0.0. The MBMS service is a one-way point-to-multipoint service. The biggest feature of this service is that it can effectively utilize wireless resources and network resources. [0003] In order to better describe this patent, figure 1 The MBMS system structure is described. The MBMS network structure is based on the general packet radio service (GPRS) core network, and a new network unit is added. Below is the right figure 1 Description...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04H20/67H04L12/18H04L12/56H04W4/06H04W36/12H04W76/02
CPCH04W36/12H04W76/022H04L12/18H04W4/06H04L12/189H04W76/12H04W36/0007
Inventor 许丽香高青海李德涛崔成豪李国锡
Owner BEIJING SAMSUNG TELECOM R&D CENT
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