一種具有能量感知的多路徑Ad hoc路由算法
An Energy-Aware Multipath Routing Algorithm for Ad hoc Networks
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摘要: 該文針對無線移動Ad hoc網(wǎng)絡(luò)的動態(tài)變化拓撲邏輯，存在單向鏈路，節(jié)點能量有限等特點，提出了一種具有能量感知的多路徑路由算法。該算法是一種反應(yīng)式的基于路徑池的多路徑路由算法，數(shù)據(jù)和應(yīng)答消息的路由根據(jù)路由池中路徑的性能尺度，即跳數(shù)、可靠性和剩余能量以一定的概率分布隨機選擇。路徑的可靠性和剩余能量在數(shù)據(jù)傳輸過程中動態(tài)更新。仿真結(jié)果表明該算法能有效地延長網(wǎng)絡(luò)的生存時間。Abstract: In mobile Ad hoc networks, the topology is dynamic, the energy of node is always limited, and there are always asymmetric links between nodes. This paper presents an Energy-Aware Multipath Routing Algorithm(EAMRA) which intends to prolong the TTL(Time-To-Live) of this kind of mobile Ad hoc networks. EAMRA is a connection-oriented and reactive path-pool-based routing algorithm which chooses randomly the routing for user data according to path metrics. The path metrics, reliability and residual-energy, are updated in communication process. The simulation results show that EAMRA can effectively prolong the TTL of mobile Ad hoc networks.
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