Precoding method and device and communication system
A technology of precoding and precoding vectors, which is applied in the field of precoding methods, devices and communication systems, can solve the problems of reducing system throughput, occupying antenna/time/frequency resources, etc., and achieve the goal of increasing the probability of sending signals and improving performance Effect
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[0025] Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the present invention is described in further detail:
[0026] For the transmitter at the edge of the cell, at least two data blocks are sent to multiple receivers. Here, the transmitting end may be a terminal, a relay station, etc., and the receiving end may be a relay station, a base station, etc. For example, when the transmitting end is a terminal, the corresponding receiving end may be a relay station or a base station. The transmitting end is a relay station, and the corresponding receiving end may be equipment such as a base station.
[0027] The transmitting end needs to obtain a precoding vector first, and the precoding vector is a vector in the zero vector space of the channel matrix; according to the precoding vector, at least two data blocks are precoded and sent to multiple adjacent cells.
[0028] Obtaining the precoding vector may be completed on the receiving end ...
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