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Paper Abstract and Keywords
Presentation 2018-08-09 10:30
Energy-Efficient Radio Resource Optimization in 5G Fog Radio Access Networks
Thi Ha Ly Dinh, Megumi Kaneko (NII), Lila Boukhatem (UPS/CNRS) RCS2018-131
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, Fog-RANs have been introduced as the evolution of Cloud Radio Access Networks (CRAN) for enabling edge computing in 5G systems. In order to support envisioned 5G real-time and delay-sensitive applications, tailored radio resource and interference management schemes become necessary. Therefore, this paper investigates the issues of user scheduling and beamforming for energy efficient Fog-RAN. We formulate the energy efficiency maximization problem, taking into account the local user clustering constraint specific to Fog-RANs. Given the difficulty of this non-convex optimization problem, we propose a strategy where the energy efficient user scheduling is split in two parts: first, we solve an equivalent sum-rate maximization problem, then, the most energy-efficient FogAPs are activated in a greedy manner. Simulation results show that compared to the baseline scheme designed for Fog-RAN, the proposed scheme largely outperforms the system energy efficiency, while providing similar levels of user rates and fairness.
Keyword (in Japanese) (See Japanese page) 
(in English) CRAN / FogRAN / Radio Resource Allocation / Interference Management / Beamforming / Energy Efficiency / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 177, RCS2018-131, pp. 1-6, Aug. 2018.
Paper # RCS2018-131 
Date of Issue 2018-08-02 (RCS) 
ISSN Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SAT RCS  
Conference Date 2018-08-09 - 2018-08-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Iwate University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2018-08-SAT-RCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Energy-Efficient Radio Resource Optimization in 5G Fog Radio Access Networks 
Sub Title (in English)  
Keyword(1) CRAN  
Keyword(2) FogRAN  
Keyword(3) Radio Resource Allocation  
Keyword(4) Interference Management  
Keyword(5) Beamforming  
Keyword(6) Energy Efficiency  
1st Author's Name Thi Ha Ly Dinh  
1st Author's Affiliation National Institute of Informatics (NII)
2nd Author's Name Megumi Kaneko  
2nd Author's Affiliation National Institute of Informatics (NII)
3rd Author's Name Lila Boukhatem  
3rd Author's Affiliation University Paris-Sud/Centre national de la recherche scientifique (UPS/CNRS)
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Speaker Author-1 
Date Time 2018-08-09 10:30:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2018-131 
Volume (vol) vol.118 
Number (no) no.177 
Page pp.1-6 
Date of Issue 2018-08-02 (RCS) 

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