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Paper Abstract and Keywords
Presentation 2018-01-23 10:50
A Study on Carrier Frequency Offset between BLE Terminals for ICA based-SDMA in BLE Systems
Masahiro Takigawa, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) IT2017-87 SIP2017-95 RCS2017-301
Abstract (in Japanese) (See Japanese page) 
(in English) This paper shows that previously proposed Maximum A-posteriori Probability (MAP) detection based on differential detector is a valid method in the presence of carrier frequency offset between Bluetooth Low Energy (BLE) terminals for Independent Component Analysis (ICA) based-Spatial Division Multiple Access (SDMA) in BLE systems. In the BLE specification, preambles embedded in BLE packets are not orthogonal each other. For realization of SDMA in BLE systems, ICA is capable of separating spatially multiplexed signals without orthogonal pilot signals. In the presence of carrier frequency offset between BLE terminals, ICA suffers from an issue of time-variant phase rotation. To deal with this problem, MAP detection based on differential detector achieves better performance than that by phase compensation using the preamble. Simulation results demonstrate the validity of the proposed method in terms of the packet error rate (PER).
Keyword (in Japanese) (See Japanese page) 
(in English) Carrier frequency offset / Independent component analysis / Successive interference cancellation / Bluetooth low energy / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 396, RCS2017-301, pp. 189-194, Jan. 2018.
Paper # RCS2017-301 
Date of Issue 2018-01-15 (IT, SIP, 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 IT2017-87 SIP2017-95 RCS2017-301

Conference Information
Committee SIP IT RCS  
Conference Date 2018-01-22 - 2018-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Sunport Hall Takamatsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2018-01-SIP-IT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Carrier Frequency Offset between BLE Terminals for ICA based-SDMA in BLE Systems 
Sub Title (in English)  
Keyword(1) Carrier frequency offset  
Keyword(2) Independent component analysis  
Keyword(3) Successive interference cancellation  
Keyword(4) Bluetooth low energy  
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1st Author's Name Masahiro Takigawa  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Shinsuke Ibi  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Seiichi Sampei  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2018-01-23 10:50:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2017-87, SIP2017-95, RCS2017-301 
Volume (vol) vol.117 
Number (no) no.394(IT), no.395(SIP), no.396(RCS) 
Page pp.189-194 
#Pages 6 
Date of Issue 2018-01-15 (IT, SIP, RCS) 

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