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Paper Abstract and Keywords
Presentation 2018-01-18 16:05
[Encouragement Talk] Submodular optimization based dynamic base station sleep control toward green mmWave networks
Akihiro Egami, Takayuki Nishio, Masahiro Morikura (Kyoto Univ.), Yusuke Asai, Ryo Miyatake (NTT) MoNA2017-47
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a dynamic millimeter-wave (mmWave) base station (BS) sleep control scheme for green mmWave networks.Sleep and activation control is a promising technique to reduce energy consumption for densely deployed mmWave networks.However, to select a set of BSs to sleep from a large number of BSs to maximize total throughput under the condition that the total energy consumption of the network is limited is an NP-hard problem.This paper formulates a sleep control scheme based on submodular optimization which can be solved quickly by using a greedy algorithm and the performance in the worst case is guaranteed to be $(1-¥mathrm{e}^{-1})$-approximation.We design a utility function defined as the total expected rate for mmWave access networks in consideration of the characteristics of mmWave communications, and prove that it is submodular and monotone.Simulation results confirmed that the proposed scheme obtains a BS set achieving higher throughput than random selection and the maximizing the number of user terminals (UTs) scheme, and the proposed scheme is polynomial time algorithm.
Keyword (in Japanese) (See Japanese page) 
(in English) mmWave communication / IEEE 802.11ad / human blockage / sleep control / submodular optimization / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 390, MoNA2017-47, pp. 33-38, Jan. 2018.
Paper # MoNA2017-47 
Date of Issue 2018-01-11 (MoNA) 
ISSN Print edition: ISSN 0913-5685  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 MoNA  
Conference Date 2018-01-18 - 2018-01-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Campus Plaza Kyoto 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Network, Application of Machine Learning, Mobile Data, etc. 
Paper Information
Registration To MoNA 
Conference Code 2018-01-MoNA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Submodular optimization based dynamic base station sleep control toward green mmWave networks 
Sub Title (in English)  
Keyword(1) mmWave communication  
Keyword(2) IEEE 802.11ad  
Keyword(3) human blockage  
Keyword(4) sleep control  
Keyword(5) submodular optimization  
1st Author's Name Akihiro Egami  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Takayuki Nishio  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Masahiro Morikura  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Yusuke Asai  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
5th Author's Name Ryo Miyatake  
5th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Date Time 2018-01-18 16:05:00 
Presentation Time 25 
Registration for MoNA 
Paper # IEICE-MoNA2017-47 
Volume (vol) IEICE-117 
Number (no) no.390 
Page pp.33-38 
#Pages IEICE-6 
Date of Issue IEICE-MoNA-2018-01-11 

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