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Power Management and Data Rate Maximization in Wireless Energy Harvesting Sensors

Murthy, Chandra R (2008) Power Management and Data Rate Maximization in Wireless Energy Harvesting Sensors. In: 19th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, SEP 15-18, 2008, Cannes, FRANCE, pp. 1950-1954.

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Abstract

This paper considers the problem of power management and throughput maximization for energy neutral operation when using Energy Harvesting Sensors (EHS) to send data over wireless links. It is assumed that the EHS are designed to transmit data at a constant rate (using a fixed modulation and coding scheme) but are power-controlled. A framework under which the system designer can optimize the performance of EHS when the channel is Rayleigh fading is developed. For example, the highest average data rate that can be supported over a Rayleigh fading channel given the energy harvesting capability, the battery power storage efficiency and the maximum allowed transmit energy per slot is derived. Furthermore, the optimum transmission scheme that guarantees a particular data throughput is derived. The usefulness of the framework developed is illustrated through simulation results for specific examples.

Item Type: Conference Paper
Additional Information: Copyright 2008 IEEE. Personal use of this material is permitted.However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Energy harvesting sensors;data rate maximization;power management
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 12 Apr 2011 07:49
Last Modified: 12 Apr 2011 07:49
URI: http://eprints.iisc.ernet.in/id/eprint/36774

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