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Energy efficiency improvements in HetNets by exploiting device-to-device communications

Sambo, YA, Imran, MA, Shakir, MZ, Qaraqe, KA, Ahmed, B and Serpedin, E (2014) Energy efficiency improvements in HetNets by exploiting device-to-device communications In: Eusipco 2014, 2014-09-01 - 2014-09-05, Lisbon.

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Abstract

The growth in mobile communications has resulted in a significant increase in energy consumption and carbon emissions, which could have serious economic and environmental implications. Consequently, energy consumption has become a key criterion for the design of future mobile communication systems. Device-to-device (D2D) communication has been shown to improve the spectral efficiency and also reduce the power consumption of mobile communication networks. In this paper, we propose a two-tier deployment of D2D communication within a network to reduce the overall power consumption of the network and compared it with full small-cell deployment throughout the network. In this context, we computed the backhaul power consumption of each link in the networks and derived the backhaul energy efficiency expression of the networks. Simulation results show that our proposed network deployment outperforms the network with full small-cell deployment in terms of backhaul power consumption, backhaul energy-efficiency, total power consumption of the tier 2 users and downlink power consumption, thus providing a greener alternative to small-cell deployment.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
AuthorsEmailORCID
Sambo, YAUNSPECIFIEDUNSPECIFIED
Imran, MAUNSPECIFIEDUNSPECIFIED
Shakir, MZUNSPECIFIEDUNSPECIFIED
Qaraqe, KAUNSPECIFIEDUNSPECIFIED
Ahmed, BUNSPECIFIEDUNSPECIFIED
Serpedin, EUNSPECIFIEDUNSPECIFIED
Date : 10 November 2014
Contributors :
ContributionNameEmailORCID
PublisherIEEE, UNSPECIFIEDUNSPECIFIED
Additional Information : Paper presented at the 22nd European Signal Processing Conference, Lisbon. © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 22 Apr 2015 12:21
Last Modified : 22 Apr 2015 13:33
URI: http://epubs.surrey.ac.uk/id/eprint/807411

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