A Simple End-to-End Throughput Model for 802.11 Multi-Radio Multi-Rate Wireless Mesh Networks

Author

Siris, Vasilios A. ; Stamatakis, George ; Tragos, Elias

Author_Institution

Inst. of Comput. Sci., Found. for Res. & Technol. - Hellas (FORTH), Heraklion, Greece

Volume

15

Issue

6

fYear

2011

fDate

6/1/2011 12:00:00 AM

Firstpage

635

Lastpage

637

Abstract

We address the problem of estimating the end-to-end throughput of UDP flows in a multi-radio, multi-channel, and multi-rate 802.11 wireless mesh network (WMN). Estimates of the end-to-end throughput of flows in a WMN can facilitate the design of traffic-aware routing and channel assignment algorithms. We introduce a simple and intuitive model that captures key features of 802.11 WMNs such as contention, interference, and performance degradation due to links with low transmission rates. We use simulation to validate the accuracy of the proposed model in various scenarios for a network topology containing multiple transmitters and wired gateways.

Keywords

channel allocation; internetworking; radio transmitters; telecommunication network routing; telecommunication network topology; transport protocols; wireless LAN; wireless mesh networks; UDP; WMN; channel assignment algorithms; end-to-end throughput model; gateways; multi-rate 802.11; multichannel; multiradio; network topology; traffic aware routing; transmitters; wireless mesh networks; Ad hoc networks; IEEE 802.11 Standards; Interference; Load modeling; Throughput; Wireless communication; Wireless sensor networks; Wireless channel contention; multi-rate; wireless multi-hop networks;

fLanguage

English

Journal_Title

Communications Letters, IEEE

Publisher

ieee

ISSN

1089-7798

Type

jour

DOI

10.1109/LCOMM.2011.040711.110296

Filename

5752798