Mobile an ad hoc network is a self organizing wireless network for built spontaneously to connect the mobile devices. It does not require any fixed infrastructure due to no wired backbone. It is suitable to use in environment that have need of on the fly set-up. Every host is a router and packet forwarder. Each node may be mobile, and topology changes frequently and unpredictably due to the arbitrary mobility of mobile nodes. This aspect leads to frequent path failure and route rebuilding. Routing protocol development depends on mobility management, efficient bandwidth and power usage which are critical in ad hoc networks. Cross layer scheme is the new method for wireless mobile devices become to increase the capacity network. In this paper, proposed a new cross layer scheme based algorithm to reduce the link break in MANETs. This present three schemes to reduce packet retransmission ratio by distribution signal information between PHYSICAL LAYER and MAC LAYER, and to discuss the frequent route failures in MANET by identify shortly to be broken links instead of prediction of received signal power, To find optimized route maintenance by taking into consideration of Bandwidth, Delay which results by improvement of QoS. The performance of cross layer process for all the schemes simulation are carried out to evaluate network performance using network simulator NS-2 based on the basic parameters like Throughput, packet delivery ratio(PDR) in term of number of nodes when various pause times.
Abstract-The energy efficiency is the determinant aspect of the wireless sensor network life time. Various routing protocols are used to reduce the energy consumption and to improve the network lifetime. To support high scalability and better data aggregation, sensor nodes are often grouped into disjoint, non overlapping subsets called clusters. Clusters create hierarchical WSNs which incorporate efficient utilization of limited resources of sensor nodes and thus extends network lifetime. This paper discusses an improved clustering protocol to minimize the energy consumption and maximize the network life-time. The simulation results show that the proposed algorithm reduces the overall energy consumption and improves the lifetime over its comparatives.Index Terms-Clustering, EEBDCP, ener gy enhancement, si ireless sensor networks.
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