基于限制广播域和节点剩余能量的按需路由算法研究

按需路由协议AODV的路由发现使用洪泛方式的扩散法,导致网络超负荷运行和拥塞,而且在选择转发路由时,总是选择最少跳数的路由,造成无线传感网络中节点能量不均,减少网络寿命.本文提出了AODV-DE算法,该算法引入广播域的概念,限制RREQ分组的转发范围,同时避免使用剩余能量低的节点转发数据分组,选择路由路径时选择总剩余能量最多的路径进行信息的传送.仿真结果表明,AODV-DE协议在路由开销、网络寿命和端到端的延迟这三个方面表现出了优势.

Research on on-demand routing algorithm based on restricted broadcast domain and node residual energy

This paper presents the AODV-DE algorithm, the proposed algorithm introduces the concept of broadcast domains, RREQ forwarding, and avoid using the low residual energy of nodes forwarding the data packet transmission, routing path selection path of total residual energy of most information. Simulation results show that the AODV-DE protocol has advantages in three aspects, routing overhead, network lifetime and end-to-end delay.