Method for implementing group broadcasting service of multi-media broadcast
A technology for multimedia broadcasting and multicasting services, which is applied in the realization field of multimedia broadcasting and multicasting services, can solve the problems of adjusting MBMS user satisfaction, transmission rate bottleneck, waste of power resources, etc., and achieves effective utilization of power resources and good user satisfaction. Guaranteed, effect of high power control efficiency
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[0069] The basic idea of the present invention is: the MBMS service is carried on the downlink shared channel for air interface wireless transmission. The downlink shared channel is divided into a downlink shared signaling channel and a downlink shared data channel. The shared signaling channel provides demodulation signaling for MBMS users to demodulate the accompanying downlink shared data channel. In order to enable all MBMS users to share the downlink shared signaling channel, all MBMS users are assigned the same user ID to achieve point-to-point Multipoint propagation; each MBMS user feeds back the channel quality indicator and data reception performance to the base station according to its own channel quality status and received data performance; the base station adjusts the downlink transmission format or according to the received channel quality indicator and data reception performance The transmit power can be used to control and improve the service quality of MBMS serv...
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