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Paper Abstract and Keywords
Presentation 2023-06-15 09:50
Miss Detection Probability of NR PRACH in the Presence of CFO in Multi-Access Environments
Yoshinobu Ohta, Takamichi Chiba, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) RCS2023-49
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents miss detection probability (MDP) of Physical Random Access Channel (PRACH) of the 3GPP NR specifications focusing on the combining of the correlations of the repeated preamble sequences in the presence of carrier frequency offset (CFO) in multi-access environments. We show that in the presence of the CFO, the coherent combing for the mutliple correlations of the repeated PRACH preamble sequences achievces the lower MDP compared to the combining in squared form in the average received SNR of less than approximately -5 dB and vice versa in the high average received SNR region when the number of the cyclic shift (CS) resources of Zadoff-Chu sequence is almost same as the maximum number of the available CS resources. We also show that the required average received SNR satisfying the PRACH MDP of $10^{−2}$ increases by approximately 4.0 dB compared to that at the MDP of $10^{−1}$ when using the maximum number of the available CS resources.
Keyword (in Japanese) (See Japanese page) 
(in English) PRACH / Zadoff-Chu sequence / frequency offset / miss detection probability / NR / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 76, RCS2023-49, pp. 123-128, June 2023.
Paper # RCS2023-49 
Date of Issue 2023-06-07 (RCS) 
ISSN 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 RCS2023-49

Conference Information
Committee RCS  
Conference Date 2023-06-14 - 2023-06-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University, and online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2023-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Miss Detection Probability of NR PRACH in the Presence of CFO in Multi-Access Environments 
Sub Title (in English)  
Keyword(1) PRACH  
Keyword(2) Zadoff-Chu sequence  
Keyword(3) frequency offset  
Keyword(4) miss detection probability  
Keyword(5) NR  
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1st Author's Name Yoshinobu Ohta  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Takamichi Chiba  
2nd Author's Affiliation Tokyo City University (Tokyo City Univ.)
3rd Author's Name Mamoru Sawahashi  
3rd Author's Affiliation Tokyo City University (Tokyo City Univ.)
4th Author's Name Satoshi Suyama  
4th Author's Affiliation NTT DOCOMO (NTT DOCOMO)
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Speaker Author-1 
Date Time 2023-06-15 09:50:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2023-49 
Volume (vol) vol.123 
Number (no) no.76 
Page pp.123-128 
#Pages 6 
Date of Issue 2023-06-07 (RCS) 

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