Method for establishing data transmission channel on MBMS carrying face based on MBMS gateway

A technology of data transmission channel and transmission channel, which is applied in the field of data transmission channel establishment of broadcast multicast service bearer plane based on broadcast multicast gateway

Inactive Publication Date: 2007-12-26
江苏久泰电缆有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0019] The current unresolved problem is: how to establish a multicast data transmission channel between eNodeB 102 and MBMS-GW 106

Method used

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  • Method for establishing data transmission channel on MBMS carrying face based on MBMS gateway
  • Method for establishing data transmission channel on MBMS carrying face based on MBMS gateway
  • Method for establishing data transmission channel on MBMS carrying face based on MBMS gateway

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Embodiment Construction

[0033] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0034] In the present invention, under the framework of the EMBMS system, the MBMS-GW allocates a common MBMS channel multicast address for all MBMS services accessed by it, and transmits it to the eNodeB through the session start message, and the eNodeB establishes a connection with the MBMS-GW through the IGMP / MLD protocol. A multicast data transmission channel between GWs, and transmit related multicast data through the multicast data transmission channel.

[0035] Fig. 2 is a flow chart of a method for establishing a broadcast multicast service bearing plane data transmission channel based on a broadcast multicast gateway according to the present invention. As s...

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Abstract

The method comprises: 1) when the base station of access network gets the of MBMS channel multicast address, if the base station of access network hasn't established a multicast data transmission channel, then the base station of access network uses the MBMS channel multicast address to initiate a request for participating the multicast in order to establish a multicast data transmission channel; 2) for all MBMS services used by the base station of access network, the multicast broadcast / multicast service gateway uses the multicast data transmission channel to send data.

Description

technical field [0001] The present invention relates to the communication field, and more specifically, relates to a method for establishing a broadcast multicast service (MBMS, Multimedia Broadcast / Multicast Service) bearer plane data transmission channel based on a broadcast multicast gateway. Background technique [0002] In order to effectively utilize mobile network resources, the existing mobile communication system proposes the idea of ​​using multicast / broadcast transmission services, that is, MBMS. MBMS provides a point-to-multipoint service in which a data source sends data to multiple users in a mobile network, realizes network resource sharing, and improves network resource utilization, especially air interface resources. [0003] The world standardization organization IETF has defined the mechanisms and methods for establishing multicast and broadcast services and transmission systems based on IP. The basic idea is that if users want to receive multicast IP dat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/22H04L12/18H04W4/06H04W76/02
Inventor 徐晓波王志海蔡建楠涂小勇
Owner 江苏久泰电缆有限公司
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