基于单中继的双向Y信道并存网络设计

Coexisting network design for single relay based bidirectional Y channels

为适应未来通信业务需求,本文研讨了基于单中继的双向Y信道并存网络,其主网用户数为M,次网用户数为N。采用广义信号对齐方法进行物理层网络编码,在MAC阶段把互相通信的用户间的信号对齐到同一维度上,中继将交互的信号对齐到一个变换的子空间并设计中继处理矩阵在BC阶段将消息广播出去。得到了最优天线配置方案及系统天线效率,仿真验证采用Matlab。

In order to meet the needs of future communication services,this paper studies a bidirectional Y-channel coexisting network based on single relay.The number of users in the primary network and the secondary network users is M and N,respectively.The proposed scheme uses the generalized signal alignment method for the physical layer network encoding,while in the MAC phase the signals between the users communicating with each other are aligned to the same dimension.The relay aligns the signals of the interaction to a transformed subspace and designs the processing matrix to broadcast the messages in the BC phase.The optimal antenna configuration and system antenna efficiency are obtained,and Matlab is used for simulation and verification.