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Method and device for supporting MBMS (Multimedia Broadcast Multicast Service) business content synchronization based on integrated EPS (Evolved Packet System)

A service content and content synchronization technology, which is applied in the branch office to provide special service devices, synchronization devices, broadcast service distribution, etc., can solve problems such as MBMS service content synchronization issues that have not been considered, so as to improve the utilization rate of wireless resources and reduce provision costs , Guarantee the effect of content timing

Inactive Publication Date: 2012-11-14
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Obviously, the above-mentioned SYNC protocol only preliminarily defines the content synchronization method in the above two access network situations, and has not yet considered the MBMS service content synchronization problem in the heterogeneous convergence and Mesh environment

Method used

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  • Method and device for supporting MBMS (Multimedia Broadcast Multicast Service) business content synchronization based on integrated EPS (Evolved Packet System)
  • Method and device for supporting MBMS (Multimedia Broadcast Multicast Service) business content synchronization based on integrated EPS (Evolved Packet System)
  • Method and device for supporting MBMS (Multimedia Broadcast Multicast Service) business content synchronization based on integrated EPS (Evolved Packet System)

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Embodiment Construction

[0049] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0050] The EPS based on heterogeneous fusion of the present invention supports the method for MBMS service content synchronization, and its steps mainly include:

[0051] A. BM-SC receives the MBMS user data sent by the content provider server, first caches the MBMS user data that has not yet reached the sending time, and then sends the time stamp of the MBMS user data and the time spent from the access gateway to the terminal access point device over the air interface The difference time stamp corresponding to the multi-hop delay is written into the synchronization protocol encapsulation data header of the MBMS user data;

[0052] B. Sending the MBMS user data encapsulated with t...

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Abstract

The invention discloses a method and a device for supporting MBMS business content synchronization based on an integrated EPS. The method comprises the following steps: after a BM-SC (Broadcast Multicast Service Center) receives MBMS user data, writing in the time stamp of the MBMS user data sent by an original empty port and a differential time stamp which corresponds to multi-hop time delay through which an access gateway and terminal access point equipment pass into the synchronous protocol encapsulation data header of the MBMS user data; sending the MBMS user data with synchronous protocol encapsulation to the access gateway; after the access gateway receives the MBMS user data, working out the time for sending the MBMS user data to the empty port according to the original time stamp of the MBMS user data sent by the empty port and the differential time stamp which corresponds to the multi-hop time delay, which are carried in the MBMS user data, to complete the encapsulation of the MBMS user data; and sending the MBMS user data to the empty port at the worked out time. The invention enables the MBMS user business data to be transmitted in a WLAN (Wireless Local Area Network) network, simultaneously ensures the content synchronization of the MBMS user business data and can not cause additional changes and influences on the original content synchronization scheme in the network.

Description

technical field [0001] The invention relates to MBMS service content synchronization technology of mobile communication, in particular to a method and device for realizing MBMS service content synchronization based on heterogeneous fusion EPS. Background technique [0002] MBMS (Multimedia Broadcast Multicast Service, Multimedia Broadcast / Multicast Service) is proposed by 3GPP, which can be based on GERAN (GSM / EDGE Radio Access Network), UTRAN (Universal Terrestrial Radio Access Network, Global Terrestrial Radio Access Network) and E-UTRAN (Evolved UTRAN, Evolved Global Terrestrial Radio Access Network) and other access methods provide technical standards for mobile broadcast and multicast services. MBMS implements MBMS services by adding some new functions and defining some new functional entities in the functional entities in the existing 3GPP network. The existing PS domain functional entities can support MBMS bearer services through enhancement. Since the MBMS service i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/18H04W4/06H04W28/06H04W56/00
Inventor 靳浩韩玉辉彭木根王文博
Owner BEIJING UNIV OF POSTS & TELECOMM
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