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Paper Abstract and Keywords
Presentation 2018-06-22 11:30
Detection Probability of Narrowband Random Access Channel Using Intra-preamble Frequency Hopping for IoT Radio Access
Kota Mori, Mamoru Sawahashi (Tokyo City Univ.) RCS2018-74
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes intra-preamble frequency hopping (FH) for narrowband random access channel (RACH) aiming at improving the detection probability of the correct received timing in multipath fading channel. In the proposed scheme, the preamble signature is segmented into two parts, and the former and latter parts of the preamble signature are assigned to different physical resource blocks that are apart in frequency domain. Computer simulation results show that the proposed intra-preamble FH improves narrowband RACH detection probability by approximately 6 – 16 % compared to the conventional narrowband RACH transmission without FH for one-antenna reception. We also show when using receive diversity, the intra-preamble FH improves the narrowband RACH detection probability by approximately 10 % compared to the case without FH. Finally, we show that the intra-preamble FH improves the narrowband RACH detection probability when the number of simultaneous users is less than 10 in multiuser environment.
Keyword (in Japanese) (See Japanese page) 
(in English) Random access channel / Frequency hopping / Preamble signature / Frequency diversity / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 101, RCS2018-74, pp. 231-236, June 2018.
Paper # RCS2018-74 
Date of Issue 2018-06-13 (RCS) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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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Conference Information
Committee RCS  
Conference Date 2018-06-20 - 2018-06-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki University 
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 2018-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Detection Probability of Narrowband Random Access Channel Using Intra-preamble Frequency Hopping for IoT Radio Access 
Sub Title (in English)  
Keyword(1) Random access channel  
Keyword(2) Frequency hopping  
Keyword(3) Preamble signature  
Keyword(4) Frequency diversity  
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1st Author's Name Kota Mori  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Mamoru Sawahashi  
2nd Author's Affiliation Tokyo City University (Tokyo City Univ.)
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Speaker Author-1 
Date Time 2018-06-22 11:30:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2018-74 
Volume (vol) vol.118 
Number (no) no.101 
Page pp.231-236 
#Pages
Date of Issue 2018-06-13 (RCS) 


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