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Electromagnetic Emission-aware Schedulers for the Uplink of OFDM Wireless Communication Systems

Sambo, Y, Heliot, F and Imran, MA (2015) Electromagnetic Emission-aware Schedulers for the Uplink of OFDM Wireless Communication Systems In: 2015 IEEE Online Conference on Green Communications (OnlineGreenComm), 2015-11-10 - 2015-11-12, Piscataway, NJ.

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The increasing demand for data and multimedia services, as well as the ubiquitous nature of the current generation of mobile devices have resulted in continuous network upgrades to support an ever-increasing number of users. However, given that wireless communication systems operate on radiofrequency waves, the health effects of electromagnetic (EM) emission from these systems are increasingly becoming a concern. In order to address these concerns, we propose in this paper, an EM emission reduction scheme for the uplink of OFDM wireless systems with base station coordination. We formulate the EM reduction scheme as a convex optimization problem and solve it by iteratively allocating bits to users on their respective subcarriers in each sector. This is based on the assumption that the scheduler can predict the channel state information of all the users for a given transmission window. Simulation results show that, with coordination, our proposed scheme reduces EM emission by over 85% and 99% when compared with a no frequency reuse scheme and an energy efficiency based scheme, respectively.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Communication
Divisions : Surrey research (other units)
Authors :
Sambo, Y
Date : 2015
DOI : 10.1109/OnlineGreenCom.2015.7387377
Copyright Disclaimer : © 2015 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.
Contributors :
Uncontrolled Keywords : Electromagnetic (EM) emission, coordination, OFDM, power allocation, subcarrier allocation.
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:49
Last Modified : 23 Jan 2020 18:51

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