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Method and base station for activating multicast and broadcast multimedia service in target cells

A technology for multimedia services and multicast broadcasting, which is applied in the distribution of broadcasting services, devices that provide special services in branches, details of data exchange, etc., and can solve the problems of increasing the delay of activating MBMS services in target cells and the lack of research on LTE.

Active Publication Date: 2011-04-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] 2. When the target RNC creates the MBMS context, it also needs to obtain the IP multicast address and APN about MBMS through the Uplink Information Exchange process. This process also increases the time delay for the target cell to activate the MBMS service
For the MBMS activation process of the target cell in the single-cell transmission mode, LTE has not yet studied

Method used

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  • Method and base station for activating multicast and broadcast multimedia service in target cells
  • Method and base station for activating multicast and broadcast multimedia service in target cells
  • Method and base station for activating multicast and broadcast multimedia service in target cells

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] This embodiment describes the exchange of MBMS service-related information of respective cells between adjacent base stations. When the source base station selects the target base station through handover decision, the source base station requests the target base station to activate the MBMS service according to the previously exchanged MBMS information.

[0051] see Figure 1A , is a schematic flow diagram of Embodiment 1 of the present invention, the flow takes the LTE system as an example, and the specific process includes:

[0052] Step 1. Adjacent eNBs (eNodeBs, evolved base stations) exchange respective MBMS information through the X2 interface, so as to obtain whether the cells of the adjacent eNBs have MBMS service transmission.

[0053] The exchanged MBMS information refers to some parameters about MBMS services. These parameters can be MBMS Service Id (MBMS Service Id), MBMS Session Id (MBMS Session Id), MBMS IP Multicast Address (MBMS IP Multicast Address) or ...

Embodiment 2

[0075] This embodiment describes the process that the source base station sends the information of the MBMS service that the UE is receiving to the target base station before the handover or during the handover, and the target base station activates the MBMS service.

[0076] see Figure 2A , is a schematic flow diagram of Embodiment 2 of the present invention, the flow takes the LTE system as an example, and the specific steps include:

[0077] Step 1a-1b, UE handover, after the source eNB makes a handover decision and selects a target eNB, it sends the relevant information of the MBMS service that the UE is receiving to the target eNB through the X2 interface. The HORequest message carries the related information of the MBMS service that the UE is receiving. For example, an MBMS Indication IE can be added to the HORequest message, and the content of this IE can be the MBMS service ID that the UE is receiving, the MBMS session ID, the MBMS IP multicast address, or the APN. ...

Embodiment 3

[0088] When there is no X2 interface between the source eNB and the target eNB, the handover process requires the participation of the CN, and the MBMS-related information will also be forwarded to the target eNB through the CN, and the target eNB will then decide whether to activate the MBMS service based on the MBMS-related information. This embodiment describes the process of activating the MBMS service of the target cell with the participation of the CN.

[0089] see Figure 3A , is a schematic flow diagram of Embodiment 3 of the present invention, the flow takes the LTE system as an example, and the specific steps include:

[0090] Step 1. The eNB obtains the MBMS information of its neighboring eNBs through network entities in the network. The network entity stores the MBMS information of each eNB, for example, a configuration management entity or a core network node in the network, which can obtain the MBMS information of the eNB. The eNB can obtain the MBMS information ...

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Abstract

The invention discloses a method for activating a multicast broadcasting multimedia service for an object cell, and a base station. The method comprises that, a source base station obtains multicast broadcasting multimedia service information of an adjacent base station, and judges whether the object cell has the multicast broadcasting multimedia service related to a switching user based on the multicast broadcasting multimedia service information of the object base station after selecting the object base station; the object base station activates the multicast broadcasting multimedia servicecorresponding to the object cell after receiving the multicast broadcasting multimedia service information. The invention is capable of realizing activation of the multicast broadcasting multimedia service corresponding to the object cell when switching the user receiving the multicast broadcasting multimedia service, reducing time relay of the activation of the multicast broadcasting multimedia service of the object cell while ensuring the continuity of a user single broadcasting service, thereby the multicast broadcasting multimedia service has good continuity.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method and a base station for activating a multicast broadcast multimedia service for a target cell. Background technique [0002] With the development of the times, users have more and more diversified demands on the types of services in the mobile communication system, and MBMS (Multicast Broadcast Multimedia Service, Multicast Broadcast Multimedia Service) is just one of the promising services. MBMS is a broadcast multicast multimedia service. It has two transmission modes, one is broadcast mode and the other is multicast mode. In the broadcast mode, the user does not need to join the MBMS service, and all interested users can receive the MBMS service during the BM-SC (Broadcast Multicast Service Central) broadcasting MBMS; in the multicast mode In this case, the user needs to join a certain MBMS service to receive the data of the service, and the joining of the user c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/18H04W4/06H04W36/08
CPCH04L65/4076H04L65/1073H04W4/06H04L12/189H04W36/28H04L29/06455H04L29/06333H04W36/0007H04L65/611
Inventor 邱勇
Owner HUAWEI TECH CO LTD