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Method and apparatus for transmitting multimedia broadcast/multicast service (MBMS) control signaling in a wireless network

A technology for controlling signaling and wireless communication systems, applied in the field of control signaling transmission, which can solve problems such as user experience impact and interruption of MBMS service data reception, so as to achieve the effect of ensuring experience and avoiding interruption of MTCH service data reception

Active Publication Date: 2015-01-21
ALCATEL LUCENT SHANGHAI BELL CO LTD
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Problems solved by technology

In this case, the UE's MBMS service data reception will be interrupted, and the user's experience with the MBMS service will be affected

Method used

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  • Method and apparatus for transmitting multimedia broadcast/multicast service (MBMS) control signaling in a wireless network
  • Method and apparatus for transmitting multimedia broadcast/multicast service (MBMS) control signaling in a wireless network
  • Method and apparatus for transmitting multimedia broadcast/multicast service (MBMS) control signaling in a wireless network

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Embodiment Construction

[0020] Generally, there is only one MCCH logical channel in a cell, and there may be multiple MCH transport channels in a cell. For ease of illustration, consider the case that subframes allocated for MCH transport channels are non-overlapping, that is, each MCH transport channel corresponds to one MBSFN subframe allocation (MSAP). According to the MCCH negotiation in RAN2#66 / 66bis / 67 standardization, the MCCH mapped on the MCH can be multiplexed in a transport block through the MCCH-specific modulation and coding scheme (MCS) and MTCH. The standard also uses a repetition period mechanism for MCCH messages within a correction period.

[0021] In a cell (cell), only one MCCH logical channel is included, and the radio resource control (Radio Resource Control, RRC) message of the MCCH, that is, multimedia broadcast and / or multicast control signaling, is hereinafter referred to as the MCCH RRC message Contains configuration information of all ongoing (ongoing) MTCH sessions (sessio...

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Abstract

The present invention provides a method and apparatus for transmitting Multimedia Broadcast / Multicast Service (MBMS) control signaling in a wireless network, so that even if a user equipment can not receive the current Multicast Control Channel (MCCH) Radio Resource Control (RRC) message correctly, it can perform decoding for the Multicast Traffic Channel (MTCH) service data by using the pre-received MCCH RRC message. Wherein, a base station first determines whether the configuration information in a control signaling is to be updated; when the configuration information in the control signaling is to be updated, the update notification information is transmitted to a user equipment; the update notification information includes the updated configuration information, which is used to notify the user equipment that the configuration information of the control signaling is to be updated at the update activation time; after receiving the update notification information from the base station, the user equipment stores the update notification information; when the update activation time comes, if the current control signaling can not be received correctly, the service data are decoded and demodulated by using the configuration information in the stored update notification information.

Description

technical field [0001] The present invention relates to a wireless communication system, in particular to the transmission of control signaling of multimedia broadcast and / or multicast services in the wireless communication system. Background technique [0002] A multimedia broadcast and / or multicast service (Multimedia Broadcast / Multicast Service, MBMS) is a service introduced in 3GPP Release 6. Multimedia broadcast and / or multicast service is a technology that transmits data from one data source to multiple user equipments by sharing network resources. It can effectively use network resources while providing multimedia services and realize higher-speed multimedia services. broadcast and multicast. [0003] The user equipment (User Equipment, UE) acquires the configuration information of the multicast control channel (Multicast Control Channel, MCCH) on the downlink broadcast channel (Broadcast Control Channel, BCCH), that is, in the multimedia broadcast and / or multicast s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W48/10
CPCH04W76/002H04W76/40
Inventor 王河汪勇刚陈宇晁华
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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