To ensure smooth link transmission and stable network operation,a random backoff algorithm for multi link transmission in embedded wireless sensor networks was proposed.According to actual needs,use different frequency channels or orthogonal channels to transfer data,the cluster head rate vector was adjusted according to the principles and attributes of utility function design,and the backoff window size consistent was made.By recording the backoff times of embedded wireless sensor network link transmission,clarifying the busy status of the network,increasing the transmission success rate gain,reducing link transmission competition,and achieving network security and stability through adaptive random backoff correction,the dynamic adjustment of the initial competition window was carried out.The results show that the proposed algorithm has a high system throughput,can reduce network congestion and occurrence of link data collisions.
关键词
嵌入式无线传感器网络/多链路传输/随机退避算法/竞争信道/退避窗口
Key words
embedded wireless sensor network/multi link transmission/random backoff algorithm/competitive channel/escape window
维普
万方数据