Abstract
Wireless mesh networks (WMNs) have been attracting significant attention due to their promising technology. The WMN technology is becoming a major avenue for the fourth generation of wireless mobility. The wireless backbone is tightly integrated with the Internet by some selected nodes called as Gateways. Common single gateway architecture is inadequate for clubbing this high speed network with the outer networks. In this paper, the performance of WMN is increased by an energy aware gateway selection mechanism where the gateway is selected based on the threshold energy and implementing multiple gateways for coupling the WMN with the external networks and the gateways are selected based on the load threshold method. The performance of WMN using both the normal single gateway and the energy aware gateway method are compared using ns2 simulator and the energy aware gateway selection scheme is found to exhibit more performance than the normal single gateway WMN architecture. The single gateway scheme and the load threshold based multiple gateway scheme are compared using ns2 simulator and the load threshold based multiple gateway method is found to exhibit more performance than the single gateway based one.
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