中国邮电高校学报(英文) ›› 2008, Vol. 15 ›› Issue (3): 13-18.doi:

• Wireless • 上一篇    下一篇

High throughput route selection in multi-rate wireless mesh networks

魏翼飞 郭湘黎 宋梅 宋俊德   

  1. Personal Communication Networks Computer Aided Design Center, School of Electronic Engineering,
    Beijing University of Posts and Telecommunications, Beijing 100876, China
  • 收稿日期:2007-10-10 修回日期:1900-01-01 出版日期:2008-09-30
  • 通讯作者: 魏翼飞

High throughput route selection in multi-rate wireless mesh networks

WEI Yi-fei, GUO Xiang-li, SONG Mei, SONG Jun-de   

  1. Personal Communication Networks Computer Aided Design Center, School of Electronic Engineering,
    Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Received:2007-10-10 Revised:1900-01-01 Online:2008-09-30

摘要:

Most existing Ad-hoc routing protocols use the shortest path algorithm with a hop count metric to select paths. It is appropriate in single-rate wireless networks, but has a tendency to select paths containing long-distance links that have low data rates and reduced reliability in multi-rate networks. This article introduces a high throughput routing algorithm utilizing the multi-rate capability and some mesh characteristics in wireless fidelity (WiFi) mesh networks. It uses the medium access control (MAC) transmission time as the routing metric, which is estimated by the information passed up from the physical layer. When the proposed algorithm is adopted, the Ad-hoc on-demand distance vector (AODV) routing can be improved as high throughput AODV (HT-AODV). Simulation results show that HT-AODV is capable of establishing a route that has high data-rate, short end-to-end delay and great network throughput.

关键词:

wireless;mesh;networks,;Ad-hoc,;AODV,;routing;protocol,;multi-rate,;WiFi

Abstract:

Most existing Ad-hoc routing protocols use the shortest path algorithm with a hop count metric to select paths. It is appropriate in single-rate wireless networks, but has a tendency to select paths containing long-distance links that have low data rates and reduced reliability in multi-rate networks. This article introduces a high throughput routing algorithm utilizing the multi-rate capability and some mesh characteristics in wireless fidelity (WiFi) mesh networks. It uses the medium access control (MAC) transmission time as the routing metric, which is estimated by the information passed up from the physical layer. When the proposed algorithm is adopted, the Ad-hoc on-demand distance vector (AODV) routing can be improved as high throughput AODV (HT-AODV). Simulation results show that HT-AODV is capable of establishing a route that has high data-rate, short end-to-end delay and great network throughput.

Key words:

wireless mesh networks;Ad-hoc;AODV;routing protocol;multi-rate;WiFi