Method, device and system for realizing transmission of multicast broadcast service data
A multicast broadcast service and data transmission technology, which is applied in the field of multicast broadcast service data transmission, can solve the problems of high CSI overhead, high overhead, and difficult implementation of beamforming weight algorithms, so as to improve coverage, Effect of increasing performance gain
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[0027] The embodiment of the present invention provides a method, device and system for implementing multicast broadcast service (MBS) transmission. For different fading channel conditions, MBS beamforming technology without time diversity technology or with time diversity technology is used for MBS data Transmission, which realizes MBS data transmission simply and quickly.
[0028] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0029] For a specific MBS application, MBS receivers (ie, terminals) are usually randomly distributed in a sector of a base station, and the base station does not know the specific location of the MBS receiver. In order to enable the base station to easily select the beam mode, the embodiment of the present invention provides a relatively simple training protocol, so that the addit...
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