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In energy constrained wireless sensor networks, it is very important to conserve energy and prolong active network lifetime while ensuring proper operations of the network. To extend the lifetime of a sensor network, one common approach is to dynamically schedule sensors?? work/sleep cycles (or duty cycles). In our work we have considered cluster based heterogeneous wireless sensor network, by deploying...
Providing high quality communications service among mobile wireless devices is basically a challenging task in wireless ad hoc networks. In this paper, we propose a route stability based multipath quality of service (QoS) routing (SMQR) protocol for mobile ad hoc networks (MANETs) to support throughput and delay sensitive real-time applications in MANETs. Reliability of QoS-aware path is improved...
The absence of guaranteed static reference nodes in a dynamic MANET environment makes it almost impossible to control the propagation of a broadcast packet in a controlled fashion. Therefore, to offset the well documented inefficiencies of a simple flooding mechanism, we propose optimal reliability broadcast mechanism (ORBM). ORBM is a received signal strength based scheme to control temporal congestion...
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