Wireless Sensor Network (WSN) is a fast emerging field and it is also gaining lots of attention from research groups and the real users. Power is very important factor in WSN because the sensor nodes have limited battery support. We propose (XLE2R) algorithm which depends on interaction from different layers in order to gain longer lifetime foe sensor networks. The mechanism is based on routing decision which is made with the knowledge of source and the destination node. The simulation results shows that out XLE2R algorithm provides good scheme for prolonging the lifetime of wireless sensor network.

The main focus of this article is to achieve prolonged network lifetime with overall energy efficiency in wireless sensor networks through controlled utilization of limited energy.

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Several protocols and schemes have been proposed to reduce energy consumption in Wireless Sensor Net-works (WSNs). In this paper we employ farcoopt, a cross layer design approach with the concept of coop-eration among the nodes with best farthest neighbor scheme to increase the Quality of Service (QoS), reduce energy consumption, increases performance and end-to-end throughput. We present cooperative transmission to connect previously disconnect parts of a network thus overcoming the separation problem of multi-hop network. We show that this approach improves connectivity over 50% compared to multi-hop approaches and reduces the number of nodes necessary to provide full coverage of an area up to 35%. Simulation results show that on increase of data rates i.e. packet the network life time increases in farcoopt as compared to tra-ditional multi hop approach. The result of this analysis is presented in this work

In this paper we have calculated the link distance of the selected route and the reliability is checked, cost analysis is done for the selection of the best feasible route. This integrates routing decision of network layer with battery capacity estimation of MAC layer. For designing the new routing protocol, concept of the minimum hop scheme is considered. We propose Link distance Reliability Cost (LRC) based cross layer route discovery for WSN (Wireless Sensor Network) that improve the end-to-end throughput, delivery ratio and node energy consumption in WSNs. This approach also decreases the chance of loss of data because we have assured that battery capacity is not below the defined value. Analysis and Simulation are performed to study the performance of LRC.