NDLI: Practical Routing and Channel Assignment Scheme for Mesh Networks with Directional Antennas

Content Provider	IEEE Xplore Digital Library
Author	Wei Zhou Xi Chen Daji Qiao
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Iowa State Univ., Ames, IA (Wei Zhou; Xi Chen; Daji Qiao)
Abstract	Wireless Mesh Network (WMN) has been recognized as one of the promising technologies to provide wireless broadband access. In addition to the multi-radio multi-channel network architecture often seen in WMNs, employment of directional antennas on each mesh node could further improve the system throughput via alleviating the interference between nearby nodes thus allowing more concurrent transmissions in the network. In this paper, we describe a novel algorithm to produce joint decisions on routing and channel assignment with practical implementation considerations for WMNs with directional antennas. In particular, we formulate this joint optimization problem as a Mixed Integer Programming (MIP) problem with all practical considerations modeled explicitly as MIP constraints. For example, our scheme only considers dual-path routes and one- to-one association between access points and gateway nodes, so as to facilitate its deployment with commercial wireless networking devices such as IEEE 802.11 compliant devices. The objective is to maximize the aggregate system throughput and to provide fair and satisfactory services to all access points. Simulation results show that our scheme (i.e., the solution to the MIP problem) fully exploits the multi-radio multi-channel network architecture and directional antennas in WMNs, and is able to achieve the design objectives with significantly reduced implementation complexity.
Starting Page	3181
Ending Page	3187
File Size	296646
Page Count	7
File Format	PDF
ISBN	9781424420759
DOI	10.1109/ICC.2008.599
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Mesh networks Directional antennas Throughput Wireless mesh networks Employment Interference Constraint optimization Linear programming Aggregates
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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