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Harvesting aware energy management for time-critical wireless sensor networks with joint voltage and modulation scaling

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Harvesting aware energy management for time-critical wireless sensor networks with joint voltage and modulation scaling

  1. 1. HARVESTING-AWARE ENERGY MANAGEMENT FOR TIME-CRITICAL WIRELESSENSOR NETWORKS WITH JOINT VOLTAGE AND MODULATION SCALINGABSTRACT:As Cyber-Physical-Systems (CPSs) evolve they will be increasingly relied on to support time-critical and performance- intensive monitoring and control activities. Further, many CPSs thatutilize Wireless Sensor Networking (WSN) technologies will require the use of energyharvesting methods to extend their lifetimes. For this application class, there are currently fewalgorithmic techniques that combine performance sensitive processing and communication withefficient management techniques for energy harvesting. We first propose a general purpose,multihop WSN architecture capable of supporting time-critical CPS systems using energyharvesting.We then present a set of Harvesting Aware Speed Selection (HASS) algorithms. Our techniquemaximizes the minimum energy reserve for all the nodes in the network, thus ensuring highlyresilient performance under emergency or fault-driven situations. We present an optimalcentralized solution, along with an efficient, distributed solution. We propose a CPS-specificexperimental methodology, enabling us to evaluate our approach. Our experiments show that ouralgorithms yield significantly higher energy reserves than baseline methods.ECWAY TECHNOLOGIESIEEE PROJECTS & SOFTWARE DEVELOPMENTSOUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORECELL: +91 98949 17187, +91 875487 2111 / 3111 / 4111 / 5111 / 6111VISIT: www.ecwayprojects.com MAIL TO: ecwaytechnologies@gmail.com

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