Joint channel assignment and routing in multiradio multichannel wireless mesh networks with directional antennas

Sadeghianpour, Nasrin and Chuah, Teong Chee and Tan, Su Wei (2015) Joint channel assignment and routing in multiradio multichannel wireless mesh networks with directional antennas. International Journal of Communication Systems, 28 (9). pp. 1521-1536. ISSN 1099-1131 (In Press)

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/dac.273...

Abstract

The aggregate capacity of a wireless mesh network (WMN) is severely affected by interflow interference. In this paper, we propose a network architecture that incorporates directional antennas with multiple orthogonal channels to effectively enhance the performance of WMNs. First, a sectored connectivity graph is introduced to model multiradio multichannel WMNs with directional antennas. Next we formulate the topology design, directional interface assignment, channel allocation, and routing mathematically as a mixed integer linear programming problem. This problem is solved using an iterated local search algorithm to obtain optimized network resource allocation. Simulation results indicate that the proposed architecture can achieve higher packet delivery ratio while providing better network fairness.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Nurul Iqtiani Ahmad
Date Deposited: 08 May 2015 07:16
Last Modified: 08 May 2015 07:16
URI: http://shdl.mmu.edu.my/id/eprint/6209

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