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| Presentation | 2024-01-18 15:20 Detection Probability of RPACH for UE with High-Speed Movement in NR Uplink Masaharu Nakajima, Ryota Kuribayashi, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO)  IT2023-44 SIP2023-77 RCS2023-219 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents miss detection probability (MDP) of Physical Random Access Channel (PRACH) with a short sequence for a user equipment (UE) with high-speed movement in New Radio (NR) uplink. We assume that the frequency of a UE local oscillator is synchronized with the accurate downlink frequency from a base station, Computer simulation results show although the coherent combining of the NRP correlations corresponding to the number of repeated preamble sequences decreases the PRACH MDP compared to the power domain combining for a UE with low mobility, the PRACH MDP increases according to the increase in the moving speed of a UE, v. By contrast, we show that the power domain combining of the NRP correlations can decrease the PRACH MDP according to the increase in the v value due to the time diversity effect among the NRP correlations. Accordingly, when the moving speed of a UE is 300km/h, by using the power domain combining, the PRACH MDP of 10−2 is achieved at the average received SNR of -3.8dB and -6.3dB for Formats A1 and A3, respectively, in TDL-C channel models. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | PRACH / preamble sequence / Doppler frequency / miss detection probability / NR / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 340, RCS2023-219, pp. 70-75, Jan. 2024. | |
| Paper # | RCS2023-219 | |
| Date of Issue | 2024-01-11 (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 | IT2023-44 SIP2023-77 RCS2023-219 |
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| Conference Information | |
| Committee | SIP IT RCS |
| Conference Date | 2024-01-18 - 2024-01-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2024-01-SIP-IT-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Detection Probability of RPACH for UE with High-Speed Movement in NR Uplink |
| Sub Title (in English) | |
| Keyword(1) | PRACH |
| Keyword(2) | preamble sequence |
| Keyword(3) | Doppler frequency |
| Keyword(4) | miss detection probability |
| Keyword(5) | NR |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masaharu Nakajima |
| 1st Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
| 2nd Author's Name | Ryota Kuribayashi |
| 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 | 2024-01-18 15:20:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | IT2023-44, SIP2023-77, RCS2023-219 |
| Volume (vol) | vol.123 |
| Number (no) | no.338(IT), no.339(SIP), no.340(RCS) |
| Page | pp.70-75 |
| #Pages | 6 |
| Date of Issue | 2024-01-11 (IT, SIP, RCS) |
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