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In Wireless Sensor Network cluster making techniques is proved as energy efficient as compare to normal WSN mechanism. WSN contain small sensor nodes power by battery and do the work of sensing and processing of that senses signal. These tiny sensor node consume lots of energy in sensing and then transmission of signal. By the used of clustering method where each individual node not to direct communicate...
Monitoring systems using Wireless Body Area Networks (WBANs) are becoming more and more popular and widely used to respond to the increasing demand in real time healthcare applications. When operating in group, the WBANed people could form an ad-hoc network remotely monitored via Internet, help each other to relay their data and thus prolong their lifetime. In fact, if a BAN coordinator reaches critical...
In recent decades, due to limitation of radio spectrum and increasing users in wireless networks, spectral efficiency has been a considerable issue in literatures. In addition, energy consumption is rapidly increasing in wireless communications due to growing demand for wireless technologies especially cellular networks. Therefore, energy efficiency has become an important issue in such networks....
End-to-end communication is the fundamental building block of communication networks. In this paper, we discuss globally optimal energy efficient design for end-to-end communications. An end-to-end multiple-hop system with one sender, one receiver, and multiple relays is considered. We first study in detail energy-efficient designs in the wideband regime that is characterized by wide signal bandwidth...
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