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.
Highlights
Wireless mesh network is known as community wireless networks
We propose a channel assignment algorithm for multicast based on high channel capacity with minimum interference
We proposed the capacity based multicast channel assignment (CBM-CA) algorithm
Summary
Wireless mesh network is known as community wireless networks. It is an emerging technology that supports many important applications such as Internet access provisioning in rural areas, ad hoc networking for emergency and disaster recovery, security surveillance, and information services in public transportation systems. Wireless mesh network (WMN) is a new cost effective technology which constructs a resilient, locally networked access to communication infrastructure. This is due to its desirable characteristics multi-hop routing, auto configuration, bandwidth fairness, low cost, easy deployment, self healing and self organized. WMN were equipped with node having a single radio They were faced with number of limitations such as lower throughput and limited use of available wireless channels [5]. This paper focuses on the channel allocation scheme which efficiently utilizes multiple wireless interfaces to achieve better throughput thereby increasing the network capacity. Multi-interface networks, in return, require efficient channel assignment (CA) and routing algorithms that can take advantage of multiple channels and multiple interfaces
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