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VANET中考虑节点质量的机会路由协议 被引量：2

Quality of node based adaptive opportunistic routing protocol for VANET
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摘要 提出一种车载自组织网络(VANET)中考虑节点质量的机会路由协议——QAOR(Quality of node based Adaptive Opportunistic Routing Protocol)。针对以往协议均没考虑到节点历史接触频繁性的问题,该协议在路口根据距离目的最近和反映节点接触频繁性的质量两个指标机会选择下一跳,改善了GPSR在路口下一跳没有后续节点的情况;在直路上运用加入携带转发机制的贪婪算法。NS-2仿真显示,在城市场景中,QAOR自适应选路,比传统贪婪算法GPSR投递率增加,延时减少。 This paper presents a quality of node based adaptive opportunistic routing protocol, QAOR. Previous protocol are not considering node＇s frequently history contact. But this routing protocol use two index to choice nexthop in a crossing. The first index is the distance from destination, and the second one reflects the meeting history. This protocol improve GPSR when a cross- ing has no subsequent nodes. It uses Greedy carry-forward mechanism in direct way. NS-2 simulation shows that compared by GP- SR（buffer）,QAOR protocol delivery rate is increased, and the delay is reduced.
作者 符媛柯 唐伦 陈前斌 龚璞
机构地区 重庆邮电大学移动通信技术重庆市市级重点实验室
出处 《电子技术应用》 北大核心 2013年第12期114-117,共4页 Application of Electronic Technique
基金 国家自然科学基金(61171111) 重庆市自然科学基金(CSTC2011jjA40046) 重庆市教委科学技术研究项目(KJ120524)
关键词 VANET 贪婪算法 携带转发 机会路由 节点质量 VANET greedy algorithm carry forward opportunity routing node quality
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献12

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二级参考文献35

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共引文献9

同被引文献21

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二级引证文献3

电子技术应用
2013年 第12期

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