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Paper Abstract and Keywords
Presentation 2025-01-30 09:55
PRACH Detection Probability in the Presence of Strong Phase Noise for NR Uplink in Sub-THz Bands
Satoshi Tsuyuki, Yoshinobu Ohta, Takashi Ohiwa, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) IT2024-57 SIP2024-96 RCS2024-240
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents the miss-detection probability (MDP) for the physical random access channel(PRACH) in the presence of strong phase noise (PN) for the 3GPP New Radio (NR) uplink in the sub-Terahertz (THz) bands. The impact of PN that is induced in local oscillators in base station and UE transceivers in the sub-THz bands is larger than that in the millimeter-wave bands. Therefore, it is important to investigate the impact of strong PN on the PRACH detection probability in the sub-THz bands. Link-level simulation results show that the Wiener PN component in a sub-THz PN model fluctuates quickly over the PRACH preamble duration. Accordingly, the strong PN in the sub-THz bands comprising the Wiener PN and uncorrelated Gaussian PN is reduced when taking the correlation over the PRACH preamble sequence duration with a 139-chip length. We show that the degradation in the PRACH MDP due to the strong PN is slight when the power spectral density (PSD) at a 0-Hz frequency offset in the Wiener PN is -25 dBc/Hz and the PSD in the Gaussian PN is lower than approximately -93 dBc/Hz.
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Reference Info. IEICE Tech. Rep., vol. 124, no. 366, RCS2024-240, pp. 180-185, Jan. 2025.
Paper # RCS2024-240 
Date of Issue 2025-01-22 (IT, SIP, 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 IT2024-57 SIP2024-96 RCS2024-240

Conference Information
Committee RCS SIP IT  
Conference Date 2025-01-29 - 2025-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kaikyou-messe 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Communications, Learning, Mathematics, Information Theory, etc. 
Paper Information
Registration To RCS 
Conference Code 2025-01-RCS-SIP-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) PRACH Detection Probability in the Presence of Strong Phase Noise for NR Uplink in Sub-THz Bands 
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1st Author's Name Satoshi Tsuyuki  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Yoshinobu Ohta  
2nd Author's Affiliation Tokyo City University (Tokyo City Univ.)
3rd Author's Name Takashi Ohiwa  
3rd Author's Affiliation Tokyo City University (Tokyo City Univ.)
4th Author's Name Mamoru Sawahashi  
4th Author's Affiliation Tokyo City University (Tokyo City Univ.)
5th Author's Name Satoshi Suyama  
5th Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO)
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Date Time 2025-01-30 09:55:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2024-57, SIP2024-96, RCS2024-240 
Volume (vol) vol.124 
Number (no) no.364(IT), no.365(SIP), no.366(RCS) 
Page pp.180-185 
#Pages 6 
Date of Issue 2025-01-22 (IT, SIP, RCS) 

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