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基于负载均衡的VANET跨层贪婪路由算法

发表时间:2017-08-31  浏览量:179  下载量:38
全部作者: 徐哲鑫,吴玮玮,吴怡
作者单位: 福建师范大学医学光电科学与技术教育部重点实验室
摘 要: 针对贪婪周边无状态路由(greedy perimeter stateless routing,GPSR)协议中车载自组织网络(vehicle ad-hoc network,VANET)节点负载不均衡的问题,提出一种基于负载均衡的跨层贪婪路由算法。该算法将路由选择参数分为运动参数和通信参数。运动参数用于筛选稳定的候选节点集,而通信参数用于选择负载轻的下一跳转发节点。在通信参数的选择中,跨层结合了MAC层的发送队列占用率及刷新次数作为路由选择的参考因素。仿真结果表明,该路由算法在端到端时延、分组投递率的表现均优于GPSR.
关 键 词: 通信网络技术;车载自组织网络;GPSR;跨层;负载均衡
Title: Cross-layer greedy routing algorithm based on load-balanced VANET
Author: XU Zhexin, WU Weiwei, WU Yi
Organization: Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Normal University
Abstract: Aiming at the problem of unbalanced load of vehicle ad-hoc network (VANET) nodes in greedy perimeter stateless routing (GPSR), this paper proposes a cross-layer greedy routing algorithm based on load-balance. In this algorithm, the routing parameters are divided into motion parameters and communication parameters. The motion parameters are used to filter out the stable candidate node set, while the communication parameters are used to select the next hop forwarding node. In the communication parameter selection, this paper combines the sending queue occupancy rate of the MAC layer and the refresh times as the reference factors of routing. The simulation results show that the proposed routing algorithm performs better than GPSR in terms of end-to-end delay and packet delivery ratio.
Key words: communication network technology; vehicle ad-hoc network; GPSR; cross-layer; load-balance
发表期数: 2017年8月第16期
引用格式: 徐哲鑫,吴玮玮,吴怡. 基于负载均衡的VANET跨层贪婪路由算法[J]. 中国科技论文在线精品论文,2017,10(16):1793-1798.
 
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