多接口多信道无线mesh网中一种基于信号干扰监测的路由度量机制

doi:10.3969/j.issn.1000-436x.2013.04.019

Abstract

Abstract:

An interference sensing based(ISB)routing metric which mainly depend on the estimation of signal power was introduced for the multi-radio multi-channel wireless mesh networks.The existing metric such like WCETT and iAWARE all have their drawbacks were shown.As shown in the equations of iAWARE,it could be proved that worse background noise corresponds to a better metric value which was imprecise.The iAWARE to make it suited for the environment with background noise was improved,and the isotonic property was regained that the Bellman-Ford and Dijkstra algorithm could be deployed in ISB.The simulation results prove the novel algorithm takes the advantages of higher efficiency both in throughput and end to end delays,compared with the traditional ones HopCount,ETT,WCETT and iAWARE.

Key words: wireless mesh networks, multi-radio multi-channel, routing metric, interference

Wen-jiang JI,Jian-feng MA,Jun-wei ZHANG,Zhuo MA. Routing metric based on interference measurement for multi-radio multi-channel wireless mesh networks[J]. Journal on Communications, 2013, 34(4): 158-164.

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References 18

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参数	值
网络范围	1 000m×1 000m
MAC层	IEEE 802.11b 11Mbit/s
可选信道	1,6,11
通信范围	150m
干扰半径	310m
路由协议	HWMP
HELLO测试帧间隔	1s
RANN帧间隔	1s
数据分组大小	1 024bit
数据队列缓存大小	20 packet

Routing metric based on interference measurement for multi-radio multi-channel wireless mesh networks

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