The invention discloses a cooperative relay transmission method based on network encoding, which comprises the following steps: S1, the source node of the information to be transmitted separately n different network encoding operations, n different encoding signal; S2, the source node using the M sub channel of the n different encoding signal respectively. Sent to the M relay nodes, are sent using K sub channel the rest of the information to be sent to the K destination nodes; the m S3, a relay node will receive the n different encoding signal denoising, and then forwarded to the destination node K. K destination nodes in their respective receiving coming from the source node and the relay node in M n+1 signal after the respective decoding and signal processing and receiving information, get their. The invention improves transmission diversity gain, can effectively combat wireless channel fading, further improves the quality of information transmission, the transmission reliability of the system and the frequency utilization ratio.
【技术实现步骤摘要】
【技术保护点】
1.一种基于网络编码的协作中继传输方法,其特征在于,在该方法中,共有一个源节点、m个中继节点、k个目的节点以及m+k个子信道参与协作中继传输,其中m、k均为正整数,且该方法包括以下步骤:S1、源节点将待发送的信息分别进行n种不同的网络编码运算,得到n个不同的编码信号,n为正整数;S2、源节点利用m个子信道将所述n个不同的编码信号分别发送给m个中继节点,同时利用其余的k子信道将所述待发送的信息分别发送给k个目的节点;S3、所述m个中继节点将接收到的所述n个不同的编码信号分别进行去噪处理,然后分别转发给k个目的节点,k个目的节点各自在接收到来自源节点和m个中继节点的总共n+1路信号后,各自进行解码运算和信号合并处理,得到各自的接收信息。
【技术特征摘要】
【专利技术属性】
技术研发人员:熊轲,樊平毅,易粟,雷鸣,
申请(专利权)人:清华大学,日电中国有限公司,
类型:发明
国别省市:11
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