Achieving Congestion Diversity in Multi-Hop Wireless Mesh Networks

被引：3
|
作者：
Bhorkar, A. A. [1 ]
Javidi, T. [2 ]
Snoeren, A. C. [3 ]
机构：
[1] Intel Corp, Santa Clara, CA 95054 USA
[2] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
[3] Univ Calif San Diego, Dept Comp Sci, La Jolla, CA 92093 USA
来源：
IEEE TRANSACTIONS ON MOBILE COMPUTING | 2015年 / 14卷 / 03期
关键词：
Wireless; mesh networks; ad-hoc networks; routing; congestion; test-bed implementation; STABILITY;
D O I：
10.1109/TMC.2014.2323076
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper reports on a comprehensive study comparing congestion-aware routing algorithms for wireless mesh networks with a state-of-the-art shortest-path routing protocol: Link-Quality Source Routing (LQSR). In particular, a set of congestion-aware protocols in the literature, Backpressure (BP), Enhanced-Backpressure (E-BP) and Congestion Diversity Protocol (CDP) are suitably adapted for implementation on 802.11-compatible radios. A testbed consisting of 802.11g nodes is deployed to empirically compare the performance of these congestion-aware routing protocols against LQSR. The results show that, under moderate to heavy UDP traffic, CDP delivers significant improvement compared to LQSR in 80-90 percent of the instances studied, while backpressure-based routing algorithms (BP and E-BP) frequently show significant degradation with respect to LQSR for both UDP and TCP traffic.
引用
收藏
页码：473 / 483
页数：11
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