Interference-aware QoS routing and dynamic channel assignment for multi-radio multi-channel wireless mesh network

被引：0

作者：

机构：

[1] School of Mathematics and Computer Science, Anhui Normal University, No. 1, East Beijing Road, Wuhu

来源：

Zhao, Chuan Xin (zcxonline@126.com) | 1600年 / Inderscience Enterprises Ltd., 29, route de Pre-Bois, Case Postale 856, CH-1215 Geneva 15, CH-1215, Switzerland卷 / 05期

关键词：

Channel assignment; Interference; Multi-radio multi-channel; QoS routing;

D O I：

10.1504/IJMNDI.2014.067186

中图分类号：

学科分类号：

摘要：

QoS routing in multi-channel wireless mesh networks protocols is a very challenging problem. In this paper, we propose an on-demand bandwidth-constrained routing protocol combined with dynamic channel assignment for multi-radio multi-channel wireless mesh networks with the IEEE 802.11 DCF MAC protocol. A multi-channel available bandwidth estimation method is proposed which is based on the exchange of the bandwidth information for neighbour nodes at first, then a new jointing channel assignment and routing algorithm is designed which dynamically assigns the channel through the available bandwidth in the routing process according to the requirement of bandwidth, distributed call admission control is integrated to prevent network overload and the optimal path metric is advised to establish interference-aware QoS routing. Simulation results show that the routing algorithm can reduce co-channel interference and improve network performance and acceptance rate through assigning channels dynamically. © 2014 Inderscience Enterprises Ltd.

引用

页码：238 / 248

页数：10

共 24 条

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