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A Cross-Layer Optimization Framework for Energy Efficiency in Wireless Sensor Networks
Computer Science Department, Punjabi University, Patiala, India
Computer Science Department, Punjabi University, Patiala, India
- 1 Computer Science Department, Punjabi University, Patiala, India
- 2 Computer Science Department, Punjabi University, Patiala, India
Wireless Sensor Network·Volume 09 (2017)·Pages 189–203·Published 28 June 2017·DOI10.4236/wsn.2017.96011
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Abstract
We consider the extension of network lifetime of battery driven wireless sensor networks by splitting the sensing area into uniform clusters and implementing heterogeneous modulation schemes at different members of the clusters. A cross-layer optimization has been proposed to reduce total energy expenditure of the network; at network layer, routing is done through uniform clusters; at MAC layer, each sensor node of the cluster is assigned fixed or variable time slots and at physical layer different member of the clusters is assigned different modulation techniques. MATLAB simulation proved substantial network lifetime gains.
KeywordsClusteringCluster HeadsBorder NodesBase StationCross-Layer DesignPhysical LayerMACRouting LayerPacket SizeModulationQuality of Services (QoS)Wireless Sensor Networks
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