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Analysing And Designing Energy Efficiency In Wireless Sensor Networks

<p>Wireless Sensor Networks are battery-operated computing and sensing devices, mainly used for environmental monitoring, wild life management, industrial process monitoring, and battle fields. Energy efficiency is one of the fundamental research themes while designing wireless sensor network nodes. Efficient medium access control (MAC) protocols are needed to achieve energy savings along with low latency, low power and high throughput in wireless sensor networks. Energy-efficient MAC protocols applied for WSNs can be classified into two main categories: contention-based and schedule-based protocols, according to their wireless media access strategy. At present there are plenty of MAC protocols available for WSNs in literature but the main aim is minimizing the energy consumption so that the lifetime is increased. This paper summarizes the key requirements for MAC protocol and also analysing and designing energy consumption in wireless sensor networks. &nbsp;&nbsp;<br /> &nbsp;<br /> Key words: TDMA, wireless sensor, S-MAC, TMAC, R-MAC.</p>