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鉴于现有基于网孔的移动Ad Hoc网络组播选路协议都没有考虑如何有效使用电池能量的问题,本文提出了一种节省能量组播选路协议(E2MRP)。E2MRP协议的两个主要特征是:(1)在创建和维护中继组(RG)的过程中交替采用分组平均能量消耗最少和最大节点花费最小两种标准;(2)采用基于图的组播结构。本文通过仿真分析了E2MRP的性能,仿真结果表明:E2MRP较之递增功率组播选路协议(MIP)和按需组播选路协议(ODMRP)大大降低了节点的能量消耗,特别是在节点移动性较低、组播成员较少时更是如此。
In view of the fact that none of existing mesh routing protocols for mobile Ad Hoc networks consider how to effectively use battery power, an Energy Efficient Multicast Routing Protocol (E2MRP) is proposed in this paper. The two main features of the E2MRP protocol are as follows: (1) Two criteria, that is, the average packet energy consumption and the maximum node cost are alternately used in creating and maintaining a relay group (RG); (2) structure. In this paper, the performance of E2MRP is analyzed through simulation. The simulation results show that E2MRP greatly reduces the energy consumption of nodes compared with MIP and ODMRP, especially when nodes move Sex is low, especially when there are fewer multicast members.