Paper Abstract and Keywords |
Presentation |
2016-06-23 11:30
A Study on Signal Separation with Independent Component Analysis for Short Message of BLE Masahiro Takigawa, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2016-68 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper proposes a signal separation scheme with the aid of independent component analysis (ICA) that is customized for short message of Bluetooth low energy (BLE) systems. ICA plays a vital role to establish spatial division multiple access (SDMA) without channel state information captured by orthogonal pilot sequences. In BLE format, the orthogonal sequences are not assigned. Therefore, ICA is an important tool for BLE SDMA. Although an accurate covariance matrix of the received signal has to be calculated before ICA operation, the calculation is not suitable in BLE systems for shortness of a BLE packet. To deal with the problem, we apply oversampling whose sampling rate is higher than the symbol rate to get a large number of samples. As another issue of ICA, phase ambiguity remains in the separated signals. In this paper, we resolve such phase ambiguity by differential detection. Moreover, we propose a differential detection using pseudo-inverse matrix filtering for raking up oversampled signals. In terms of bit error rate (BER) performances, computer simulations validate the proposed differential detection for the short packet of BLE. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Independent component analysis / Bluetooth low energy / oversampling / phase ambiguity / differential detection / / / |
Reference Info. |
IEICE Tech. Rep., vol. 116, no. 110, RCS2016-68, pp. 129-134, June 2016. |
Paper # |
RCS2016-68 |
Date of Issue |
2016-06-15 (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) |
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RCS2016-68 |
Conference Information |
Committee |
RCS |
Conference Date |
2016-06-22 - 2016-06-24 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Univ. of the Ryukyus |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
Paper Information |
Registration To |
RCS |
Conference Code |
2016-06-RCS |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A Study on Signal Separation with Independent Component Analysis for Short Message of BLE |
Sub Title (in English) |
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Keyword(1) |
Independent component analysis |
Keyword(2) |
Bluetooth low energy |
Keyword(3) |
oversampling |
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phase ambiguity |
Keyword(5) |
differential detection |
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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 |
2016-06-23 11:30:00 |
Presentation Time |
10 minutes |
Registration for |
RCS |
Paper # |
RCS2016-68 |
Volume (vol) |
vol.116 |
Number (no) |
no.110 |
Page |
pp.129-134 |
#Pages |
6 |
Date of Issue |
2016-06-15 (RCS) |
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