A method and device for relay selection based on network coding technology
A network coding and technology technology, applied in the field of wireless communication, which can solve the problems of occupation and decrease of system resource utilization rate, etc.
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[0043] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0044] The deployment mode of the relay selection method in this embodiment is based on the following figure 1 In the shown relay cell model, the base station is located in the center of the cell, and 6 relays are deployed inside the cell, and each relay is located 2R / 3 away from the center on the radius of the cell (R is the radius of the cell). This model can obtain the best relay transmission performance, and each central user and each edge user obtain resource blocks with equal probability, which ensures the fairness of scheduling; the received signal strength of users at the edge is equal, which improves the throughput of the cell edge quantity.
[0045] The schematic diagram of the multiple access relay channel model of the present invention ...
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