Method and equipment for informing group communication information

A technology of information notification and group communication, applied in the field of group communication information notification method and equipment

Active Publication Date: 2015-05-06
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no notification scheme for group communication related information to solve how to meet the business continuity requirements of group communication when the terminal moves to a different MBSFN area or moves out of the MBSFN area

Method used

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  • Method and equipment for informing group communication information
  • Method and equipment for informing group communication information
  • Method and equipment for informing group communication information

Examples

Experimental program
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Embodiment Construction

[0091] Although the existing technology can use the existing MBMS network architecture to realize group communication, in some scenarios, for example, the terminal moves out of the MBSFN area (MBSFN area; MBSFN: Multicast Broadcast Single Frequency Network, multicast broadcast single frequency network) coverage When the terminal fails to receive MBMS services in the target serving cell, it will lead to switching or reselection between multicast and unicast or between different multicasts. When the terminal fails to receive MBMS services in the target serving cell, it will establish a unicast connection with the target serving cell or create a new MBMS bearer, which will lead to group communication. During the multicast and unicast switching or reselection process or the multicast and multicast switching or reselection process, the group communication service is interrupted for a long time, which cannot meet the business continuity requirements of group communication.

[0092] B...

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Abstract

Disclosed in the present application are a method and apparatus for notification of group communication information. The method of the present application comprises: base stations exchange information concerning the MBSFN area to which the respective serving cells of the base stations belong; on the basis of the neighboring cells of a current serving cell of a terminal and the received MBSFN area information, a base station sends to the terminal the MBSFN area information of the neighboring cells of the current serving cell of the terminal, the terminal being a terminal served by the current serving cell. Use of the present invention enables notification of group communication information on the basis of MBMS network architecture, thus providing a guarantee to the requirement of service continuity for group communication.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a method and device for notifying group communication information. Background technique [0002] Group communication means that the network provides data transmission to all terminals in the group simultaneously in a fast and efficient manner. For the LTE (Long Term Evolution, long-term evolution) system, the end-to-end transmission delay requirement for group communication is 150ms. In order to meet this delay requirement, the current network architecture tends to reuse the existing MBMS (Multimedia Broadcast Multicast Service, Multimedia Broadcast Multicast business) architecture, and make certain modifications on the existing MBMS network architecture to meet the delay requirement. [0003] The MBMS network architecture of the LTE system is as follows: figure 1 shown. The logical entities in the MBMS network architecture mainly include: MME (Mobility Managemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W68/10H04W4/06
CPCH04W4/08H04W36/30H04W92/20H04W76/22H04W76/40H04L12/189H04W36/0061H04W76/10
Inventor 赵亚利张惠英刘建华
Owner DATANG MOBILE COMM EQUIP CO LTD
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