计算机科学 ›› 2015, Vol. 42 ›› Issue (8): 65-69.
颜然,杨云,史庭俊,孔秀平,徐文春,杨安驹
YAN Ran, YANG Yun, SHI Ting-jun, KONG Xiu-ping, XU Wen-chun and YANG An-ju
摘要： 分析了现有分簇路由算法,提出了基于节点位置和密度的非均匀分簇路由算法。簇头选举阶段,考虑了节点的剩余能量,并引入竞争机制进行簇头选择；成簇阶段,综合考虑节点与基站的距离、节点密度以进行非均匀分簇,达到节点能耗均衡的效果,同时解决路由热区问题；簇间路由阶段,通过设立通信簇头节点,使簇间数据转发任务从簇头中分离,簇头节点只负责簇内的数据收集和融合,而通信簇头节点负责簇间数据传输,减少了簇头的能量消耗。实验结果表明,改进后的路由算法能够有效地均衡网络负载,并显著地延长网络的生命周期。
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