Implementation of Extension Throughput-delay Guaranteed Routing for Reliability (ExTeGaR) in MANET of Wireless Networks

ABSTRACT Rapid advances in Wireless ad hoc Networks that they become increasing complex. Consequently more applications and users are becoming more demanding. Improving the quality of service (QoS), energy efficiency and consistency is an important consideration in the wireless sensor networks. Due to the different types of traffics of various data, the path selection, QOS, limited energy and communication among more number of nodes in wide area of range, it seems especially important to design a routing algorithm for WSNs so that sensing data can be transmitted to the receiver effectively. We propose a novel protocol named ExTeGaR (Extension Throughput-delay Guaranteed Routing for Reliability).It selects the neighbor node based upon priority based expansion in neighbor size. And it maintains each QoS path by increasing the transmission range to expand neighborhood size for alternate route creation. The aim of ExTeGaR is to provide routing scheme that supports heterogeneous traffic by differentiating data into C1, C2, C3 andC4 traffic classes. In case, the traffics become higher, the nodes with less hop count will be transmitting huge number of packets resulting in congestion or die faster. Therefore, the number of potential neighbors decreases and will result in increase of lost packets. To overcome this problem, the algorithm adjusts its transmission range to find more neighbors to create the new routes. Certainly, the increase of transmission range causes consumption of higher energy to transmit a packet.