Capacity Based Multicast Channel Assignment in Wireless Mesh Network

Anju Singh, Karan Singh, Sandeep Sharma

School of Information and Communication Technology, Gautam Buddha University, Greater Noida, India.

DOI: 10.4236/cn.2013.53B2120                

Abstract

Wireless mesh networking (WMN) is an emerging technology that enables multihop wireless connectivity to areas where wiring or installing cables is difficult or expensive. Multicast is a form of communication that delivers information from a source to a group of destinations. In a single-channel WMN, all nodes share and communicate with each other via the same channel. In such a network, the throughput capacity of multicast degrades significantly as the network size increases. A critical factor that contributes to this rapid degradation is the co-channel interference in single-channel WMNs. The major advantage of WMN is that power is not the major issue as compare to other wireless network like MANET, Sensor etc. Hence Power can be optimally utilized in WMN to increase throughput and total network efficiency. In this paper, we propose a channel assignment algorithm for multicast based on high channel capacity with minimum interference. This scheme usesall overlapping and non overlapping channel for the channel assignment. By this scheme we provide better performance in terms of average packet delivery ratio, average throughput and average end to end delay with respect to multichannel multicast channel assignment schemes.

Keywords

WMN; Multicast; Multi Interface; Non Overlapping Channels; Partially Overlapping Channels; SNR

Conflicts of Interest

The authors declare no conflicts of interest.

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