Energy Efficiency Contours for Single-Carrier Downlink Channels

Akbari, A, Imran, MA, Tafazolli, R and Dianati, M (2011) Energy Efficiency Contours for Single-Carrier Downlink Channels IEEE Communications Letters, 15 (12). 1307 - 1309. ISSN 1089-7798

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Abstract

Energy efficiency has become an important aspect of wireless communication, both economically and environmentally. This letter investigates the energy efficiency of downlink AWGN channels by employing multiple decoding policies. The overall energy efficiency of the system is based on the bits-per-joule metric, where energy efficiency contours are used to locate the optimal operating points based on the system requirements. Our novel approach uses a linear power model to define the total power consumed at the base station, encompassing the circuit and processing power, and amplifier efficiency, and ensures that the best energy efficiency value can be achieved whilst satisfying other system targets such as QoS and rate-fairness.

Item Type:	Article
Additional Information:	Copyright 2011 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.
Divisions:	Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Depositing User:	Symplectic Elements
Date Deposited:	05 Oct 2012 14:12
Last Modified:	23 Sep 2013 19:31
URI:	http://epubs.surrey.ac.uk/id/eprint/710809

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