Method for releasing multimedia broadcasting/multicasting service lu signaling connection

Abstract

The invention discloses a releasing method for the Iu signaling connection of multimedia broadcast / multicast service, the method includes following steps: a. when SGSN decides to release the MBMS SESSION, the signaling connection control part SCCP messages sends the RANAP MBMS SESSION STOP message to the remote network controller RNC; b. the RNC responses the RANAP MBMS SESSION STOP RESPONSE by the SCCP; c. when the SGSN receives the RANAP MBMS SESSION STOP RESPONSE messages, the SCCP initiates the MBMS Iu signaling connection release, and releases the MBMS Iu signaling connection between the SGSN and RNC. The invention also provides other releasing method for MBMS Iu. The invention solves the problems that can not be solved by present technique of MBMS Iu signaling connection releasing. The project of invention can release the MBMS Iu signaling connection successfully.

Description

technical field [0001] The invention relates to multimedia broadcast / multicast service (MBMS) service in wideband code division multiple access, in particular to a MBMS Iu signaling connection release method. Background technique [0002] After more than ten years of unremitting development, digital TV broadcasting technology has been gradually matured and applied. From cable digital TV technology (such as DVB-C), satellite digital TV technology (such as DVB-S) to terrestrial digital TV technology (such as DVB-T, my country's TDS-OFDM, etc.), various digital TV broadcasting services have already spread all over the world. The vigorous development of various places has brought significant economic and social benefits to the society. [0003] As the next development direction of digital TV technology, digital TV technology combined with mobile communication——mobile video broadcasting technology has come out of the backstage and surfaced, receiving more and more attention from ...

AI Technical Summary

Problems solved by technology

But there are problems in these two agreements: after SGSN sends MBSM SESSION STOP message to RNC, SGSN may still use the original Iu signaling connection to send other messages to RNC; after RNC sends MBMS Session StopResponse message to SGSN, RNC It is still possible to use the original SCCP connection to send other messages to the SGSN

However, if the RANAP SCCP entity adopts the provisions of the protocol, it will reject the release process, resulting in failure to release the MBMS SCCP connection

[0032] As can be seen from the above process, in the above step 9, after the RNC RANAP entity notifies the RNC SCCP entity of the RANAPMBMS SESSION STOP RESPONSE message through the SCCP primitive N-DATA.REQ, in step 10, the RNC SCCP entity needs to send the The message is transmitted to the SGSN SCCP entity through the SCCP message, and the MBMS SCCP connection may have been released at this time, which causes the RNC SCCP entity to fail to send the SCCP message to the RNC SCCP entity, resulting in the failure of the entire MBMS SESSION STOP process

[0033] In summary, the current SCCP connection release scheme has many defects, and these defects will cause the SCCP release process to fail

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