Abstract

Communication in large area wireless sensor networks that consists of more than 1000 nodes should be reliable in real-time event detection system. All nodes are active and transmit event information to the base station. Due to large number of packet transmission, network gets congested. This causes large number of packet loss. Missing of single packet of information can cause a big event. This paper presents a reliable and fast data transmission protocol for WSN. There are two improvements in this mechanism over previous mechanisms. First is the utilization of packet transmission waiting time and second is adjustment of sending window size according to packet drop ratio. The network capacity is measured according to packet loss ratio. The implementation of proposed technique is done in QualNet 5.0. Results are described in the paper.

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