Enhancement of QOS Parameters in Cluster-Based Wireless Sensor Network Using Cooperative MIMO

摘要

Sensor nodes are deployed in the wireless sensor network with fixed energy and positioned randomly. For sustaining the power various multihop routing protocols are proposed. Cooperative MIMO scheme is one of the techniques where more nodes present near to the sink suffers traffic burden to forward the data from other cluster head in the network that causes hot spot problem. In order to overcome this problem we propose mobile sink technique in cooperative MIMO based on unequal clustering. In this technique, the mobile sink are made to move back and forth along the boundary near to the base station which collects the data in its vicinity, forwards it to the base station. An alternate relay node selection scheme is also accomplished for further enhancement. Simulation results show that proposed work improves the network lifetime over unequal clustering multihop routing protocol (UCMR) and cooperative MIMO scheme.