基于网络编码的Ad Hoc网络能量感知路由策略  

Network Coding Based Energy-aware Routing Protocol for Ad Hoc Network

作　　者：王振朝[1,2] 蔡志杰[1] 薛文玲[1] 

机构地区：[1]河北大学电子信息工程学院,保定071002 [2]河北省数字医疗工程重点实验室,保定071002

出　　处：《计算机科学》2016年第7期106-110,共5页Computer Science

基　　金：河北省自然基金项目(F2014201168);河北大学研究生创新资助项目(X2015086)资助

摘　　要：针对Ad Hoc网络终端节点能量受限对全网路由的影响,提出了一种基于网络编码的能量感知路由协议(Energy-aware Routing Protocol for Ad Hoc Network based on Network Coding,ERPNC)。ERPNC采用数据流速率匹配的方法,利用节点编码机会降低能量消耗,同时通过节点剩余能量值和节点能耗速度预测节点剩余生存时间,并结合路径总能耗和节点剩余生存时间提出新的路由评价函数和路由发现策略。此外,ERPNC通过引入本地路由维护策略来减少路由断裂和数据包重传情况的发生。仿真结果表明:与其他相关路由协议相比,ERPNC能够有效降低传输能耗,均衡网络能量消耗,延长网络寿命,提高网络吞吐量。A network coding based energy-aware routing protocol （ERPNC） was presented to minimize the effect of limited energy supply of end-nodes in Ad Hoc network. ERPNC uses coding opportunities of nodes to reduce the energy consumption by matching rates of date flows, and predicts remaining lifetime of nodes by using residual energy and energy consumption speed of nodes. ERPNC presents a new routing evaluation function and a new muting discovery strategy by combining the total energy consumption of the path and the remaining lifetime of nodes. Moreover, a local routing maintaining strategy was introduced to decrease the occurrence of route interruption and packet retransmission. Simulation results show that, comparing to other routing protocols, ERPNC performs more effectively on decreasing transmitting energy consumption, balancing network energy consumption, prolonging network lifetime and improving network throughput.

关 键 词：网络编码 能量感知 剩余生存时间 路由维护策略 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]