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IEEE 802.11无线网状网中的一种干扰感知的多径路由协议

  • 郭婵 ,
  • 洪佩琳 ,
  • 薛开平
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  • 中国科学技术大学电子工程与信息科学系信息网络实验室, 合肥 230027

收稿日期: 2010-02-05

  网络出版日期: 2010-11-15

基金资助

国家863重点课题(2009AA012002)和国家自然科学基金(60772033, 60903216)资助 

An interference-aware multipath routing protocol in IEEE 802.11 wireless mesh networks

  • GUO Chan ,
  • HONG Pei-Lin ,
  • XUE Kai-Ping
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  • Information Network Lab, Dept EEIS, University of Science and Technology of China, Hefei 230027, China

Received date: 2010-02-05

  Online published: 2010-11-15

摘要

基于IEEE 802.11 MAC层协议模型,提出一种新颖的能够描述多条路径之间干扰程度的多径路由判据IAMM,并以此为基础,提出一种新的干扰感知的多径路由IAMR协议.IAMR协议通过2次选路,在保证单条路径性能的同时兼顾考虑路径之间的干扰因素.仿真实验表明,IAMR协议在端到端延迟、数据包到达率和吞吐量等方面均有较明显的性能提升.

本文引用格式

郭婵 , 洪佩琳 , 薛开平 . IEEE 802.11无线网状网中的一种干扰感知的多径路由协议[J]. 中国科学院大学学报, 2010 , 27(6) : 809 -817 . DOI: 10.7523/j.issn.2095-6134.2010.6.012

Abstract

Based on the 802.11 MAC protocol model this study proposes a novel routing metric IAMM (interference-aware multipath metric) to quantify the inter-path interferences. Based on IAMM, an interference-aware multipath routing (IAMR) protocol is proposed. Through a dual path selection method, IAMR takes into account not only the performance of each single path but also the inter-path interference between selected paths. The result of simulation shows that IAMR significantly improves the performance on transmission throughput, end-to-end transmission delay, and arrival rate of packets.

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