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Capacity of fading gaussian channel with an energy harvesting sensor node

Rajesh, R and Sharma, Vinod and Viswanath, Pramod (2011) Capacity of fading gaussian channel with an energy harvesting sensor node. In: 2011 IEEE This paper appears in: Global Telecommunications Conference (GLOBECOM 2011), 5-9 Dec. 2011, Houston, TX, USA.

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Official URL: http://dx.doi.org/10.1109/GLOCOM.2011.6133901


Network life time maximization is becoming an important design goal in wireless sensor networks. Energy harvesting has recently become a preferred choice for achieving this goal as it provides near perpetual operation. We study such a sensor node with an energy harvesting source and compare various architectures by which the harvested energy is used. We find its Shannon capacity when it is transmitting its observations over a fading AWGN channel with perfect/no channel state information provided at the transmitter. We obtain an achievable rate when there are inefficiencies in energy storage and the capacity when energy is spent in activities other than transmission.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright of this article belongs to IEEE.USA
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 20 Mar 2013 10:27
Last Modified: 20 Mar 2013 10:27
URI: http://eprints.iisc.ac.in/id/eprint/46096

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