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Paper Abstract and Keywords
Presentation 2014-12-18 13:40
Dynamic Almost Blank Subframe Assignment Method with Power Control for User Fairness
Masayoshi Ozawa, Tomoaki Ohtsuki (Keio Univ.) RCS2014-234
Abstract (in Japanese) (See Japanese page) 
(in English) In HetNet (Heterogeneous Network), inter-cell interference is a serious problem. Therefore, almost blank subframe (ABS) technique used to indicate the transmission stop time (subframe) of base station (BS) is proposed to mitigate inter-cell interference. One of ABS techniques is dynamic ABS assignment, which is able to adapt to interference environments. However, sum rate decreases due to the increase of the number of ABS assignments in the dense deployment of BSs. In addition, if the number of ABS assignments of each BS increases, user equipment (UE) fairness becomes impaired due to difference of the number of UEs each BS serves. In this report, we propose dynamic ABS assignment method with power control subframe (PCS) and interference BS selection to improve UE fairness. In our proposed method, sum rate increases, because the number of ABS assignments of each BS decreases by applying PCS instead of ABS. Furthermore, we set ABS to BS serving low number of UEs to consider UE fairness. Through simulation, compared with conventional dynamic ABS assignment methods, the proposed method is shown to improve sum rate and UE fairness.
Keyword (in Japanese) (See Japanese page) 
(in English) Long term evolution / Heterogeneous network / Almost blank subframe / Femto base station / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 372, RCS2014-234, pp. 85-90, Dec. 2014.
Paper # RCS2014-234 
Date of Issue 2014-12-11 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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)
Download PDF RCS2014-234

Conference Information
Committee RCS NS  
Conference Date 2014-12-18 - 2014-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Iseshi-Kanko-Bunka-Kaikan (Mie) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network 
Paper Information
Registration To RCS 
Conference Code 2014-12-RCS-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dynamic Almost Blank Subframe Assignment Method with Power Control for User Fairness 
Sub Title (in English)  
Keyword(1) Long term evolution  
Keyword(2) Heterogeneous network  
Keyword(3) Almost blank subframe  
Keyword(4) Femto base station  
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1st Author's Name Masayoshi Ozawa  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Tomoaki Ohtsuki  
2nd Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2014-12-18 13:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2014-234 
Volume (vol) vol.114 
Number (no) no.372 
Page pp.85-90 
#Pages 6 
Date of Issue 2014-12-11 (RCS) 

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