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Paper Abstract and Keywords
Presentation 2024-07-17 11:25
A Study on Using Multiple Wi-Wi-based Devices to Predict Ultra-high-speed Spots for mmWave/THz UAV-UAV Communications
Duc Phuc Nguyen (NICT), Ryosuke Isogai (SEIKO), Satoshi Yasuda, Keitarou Kondou (NICT), Yoshito Okada (Tohoku University), Yozo Shoji (NICT) RCC2024-16
Abstract (in Japanese) (See Japanese page) 
(in English) mmWave and THz communications utilize narrow, highly directional beams ranging from a few centimeters to over a meter wide, leading to ultra-high-speed communication zones. In UAV-UAV communications, predicting the location and direction of these ultra-high-speed areas, known as ultra-spots, is crucial for in-flight UAVs. This capability enables the UAV to adjust its route, altitude, attitude, and velocity to maximize the probability of successful communication. This paper introduces a novel method for proactively detecting ultra-spots using joint phase and RSSI measurements from multiple Wireless Two-way Interferometry devices (multi-Wi-Wi) mounted on an in-flight UAV. We conduct real-world UAV-UAV communication experiments and utilize the experimental data to validate the proposed method. The results demonstrate that the Maximum Likelihood Estimation (MLE) algorithm, which leverages multi-Wi-Wi's RSSI measurements from in-flight UAV and fingerprints matching algorithm, successfully estimates the likelihood of probable ultra-spot locations. Furthermore, our proposed joint phase-RSSI measurements of multi-Wi-Wi, which exploit phase variation values in addition to RSSI values from multi-Wi-Wi for multi-spot detection, achieve a detection accuracy of approximately 37 cm. This finding demonstrates the feasibility of in-flight UAVs predicting the locations of mmWave ultra-spots in beam space.
Keyword (in Japanese) (See Japanese page) 
(in English) mmWave/THz UAV-UAV Communication / Space-Time Synchronization / Ultra-Spot Detection / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 105, RCC2024-16, pp. 1-6, July 2024.
Paper # RCC2024-16 
Date of Issue 2024-07-10 (RCC) 
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 RCC2024-16

Conference Information
Committee RCC RCS SeMI NS SR RISING  
Conference Date 2024-07-17 - 2024-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Citizens Activities Promotion Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCC 
Conference Code 2024-07-RCC-RCS-SeMI-NS-SR-RISING 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Using Multiple Wi-Wi-based Devices to Predict Ultra-high-speed Spots for mmWave/THz UAV-UAV Communications 
Sub Title (in English)  
Keyword(1) mmWave/THz UAV-UAV Communication  
Keyword(2) Space-Time Synchronization  
Keyword(3) Ultra-Spot Detection  
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1st Author's Name Duc Phuc Nguyen  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Ryosuke Isogai  
2nd Author's Affiliation Seiko Future Creation Inc. (SEIKO)
3rd Author's Name Satoshi Yasuda  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Keitarou Kondou  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Yoshito Okada  
5th Author's Affiliation Tough Cyberphysical AI Research Center, Tohoku University (Tohoku University)
6th Author's Name Yozo Shoji  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2024-07-17 11:25:00 
Presentation Time 25 minutes 
Registration for RCC 
Paper # RCC2024-16 
Volume (vol) vol.124 
Number (no) no.105 
Page pp.1-6 
#Pages 6 
Date of Issue 2024-07-10 (RCC) 

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