Adaptive collaborative transmission method for backhaul links of wireless relay
A backhaul link and wireless relay technology, applied in radio relay systems, wireless communications, active electrical relay systems, etc., can solve the problems of increasing the transmission bit error rate, increasing the complexity of the receiving end, etc. performance, reduce transmission performance degradation, and the effect of significant performance gains
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0023] The present invention is a wireless relay backhaul link adaptive cooperative transmission method based on network coding, and its application scenario is: when multiple users access a base station through a wireless relay, if the resource occupation of the backhaul link exceeds a predetermined threshold In this case, the relay performs network coding processing on the information of some direct transmission users and some forwarding users, and uses a single wireless resource to send it to the base station, so as to increase the number of users served by the relay while reducing the occupied backhaul link resources and improving The overall performance of the wireless relay system transmission; the base station also performs centralized scheduli...
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