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Low-complexity Green Scheduling for the Downlink of Coordinated Cellular System

Heliot, F, Yang, Ting and Foh, CH (2015) Low-complexity Green Scheduling for the Downlink of Coordinated Cellular System In: IEEE International Conference on Communication Workshop, 2015-06-08 - 2015-06-12, London, UNITED KINGDOM.

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Energy efficiency (EE) is considered as a key enabler for the next generation of communication system. Equally, scheduling is an important aspect for efficient and reliable communication in multi-user system. In this paper, we propose a low-complexity green scheduling algorithm for the downlink of orthogonal frequency division multiple access (OFDMA) cellular system when considering that base station (BS) can coordinate their transmission. More specifically, our aim here is to design a practical, low-complexity and low-power consumption solution based on a realistic EE scheduling criterion, which takes into account the time dependence of the scheduling process. Numerical results indicate that our scheme reduces both the computational complexity (by a factor of at least 25) and transmit power (by at least 30%) while achieving similar EE performance than existing schemes, in a typical cellular environment. Moreover, they confirm the benefit of BS coordination for power and energy consumption reduction.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Foh, CH
Date : 14 September 2015
DOI : 10.1109/ICCW.2015.7247598
Copyright Disclaimer : Copyright 2015 IEEE
Uncontrolled Keywords : Energy efficiency; Scheduling; Cellular system; Coordination; OFDMA
Related URLs :
Additional Information : LEXNET is a project supported by the European Commission in the 7th Framework Programme (GA n318273).
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:46
Last Modified : 12 Sep 2019 12:08

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