Stable-path multi-channel routing with extended level channel assignment

Authors:
Saad Mustafa;Sajjad A. Madani;Kashif Bilal;Khizar Hayat;Samee U. Khan
Affiliations:
Computer Science Department, COMSATS Institute of Information Technology, Abbottabad, Pakistan;Computer Science Department, COMSATS Institute of Information Technology, Abbottabad, Pakistan;Computer Science Department, COMSATS Institute of Information Technology, Abbottabad, Pakistan;Computer Science Department, COMSATS Institute of Information Technology, Abbottabad, Pakistan;Department of Electrical and Computer Engineering, North Dakota State University, Fargo, ND58108-6050, USA
Venue:
International Journal of Communication Systems
Year:
2012

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Abstract

Wireless mesh networks (WMNs) have gained considerable popularity in recent times thanks to their self-healing, self-organizing, and self-configuring nature. Because of their ability to provide high throughput and minimum packet delay, WMNs are considered to be favorable for broadband applications. For such applications, WMNs employ multiple channels, which give rise to issues like channel assignment, load balancing, and interference avoidance. Most of these issues fall into two broad categories, namely routing and channel assignment. For routing, we propose a novel proactive protocol, the stable-path multi-channel routing protocol (SMRP). Our proposed solution, to address channel assignment, is the extended level-based channel assignment (ELCA) scheme. SMRP is designed to work in combination with ELCA in order to minimize interference and balance the load among the underlying nodes. Simulation results show enhanced throughput and minimal packet delay as compared with the contemporary schemes. Copyright © 2011 John Wiley & Sons, Ltd.