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An Algorithmic Approach to avoid Starvation in Wireless Mesh Networks

Upon the advancement of recent technologies in wireless communications the wireless mesh networks has made people’s life easier. The wireless mesh networks provide low cost high speed internet access through the spontaneously deployed WIFI hotspots. The users will experience performance degradation due to starvation between the nodes in wireless mesh networks. The nodes which are nearby to the gateway will have high performance compared to the nodes which are far away from the gateway. The nodes which are far away from the gateway are starved by the nodes which are one hop away from the gateway. So to subjugate starvation in wireless mesh networks the gateway acts as a decision maker to the corresponding network to control the overall activities performed in a network. In this paper we are introducing a new starvation mitigation algorithm which mitigates starvation in wireless mesh networks. The gateway will prevent the network without being starved by sending a warning message to all the nodes when the channel is being utilized by a same node in a network. Then the remaining nodes come to know about the situation in a network and they will increase their contention window by 3/2 times. By this algorithm the network performance and bandwidth utilization will be increased compared to the existing system.