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Paper Abstract and Keywords
Presentation 2024-01-25 10:55
Joint Sensing of Wideband Sparse Angular-Frequency Spectrum based on Compressive Sensing -- Experimental Verification in the 4.8GHz Band --
Azril Haniz, Hirokazu Sawada, Takeshi Matsumura (NICT) SR2023-70
Abstract (in Japanese) (See Japanese page) 
(in English) Recent trends have shown that spectrum regulators are opening up more shared spectrum bands for fifth generation mobile communications system (5G) and Beyond 5G (B5G) networks. It is expected that advanced spectrum sharing technology will become increasingly important in the coming future. In order to further improve spectrum utilization efficiency, an algorithm for estimating the center frequency and angle-of-arrival (AOA) of signals emitted from base stations is expected to be useful. Previously, we proposed the Wideband Group Simultaneous Orthogonal Matching Pursuit (WGSOMP) algorithm, which is a two-dimensional spectrum detection method that is capable of wideband frequency spectrum detection and AOA estimation, based on compressive sensing theory. This paper reports the results of a verification experiment conducted in an anechoic chamber at the 4.8 GHz band. Using a uniform linear array antenna with 8 elements and an oscilloscope, we simultaneously received transmitted signals from 2 signal generators. We found that even when the compression rate of the received signal is set to 0.5, if the SNR is larger than −8 dB, we can achieve a detection rate of more than 0.9 and an AOA estimation error of less than 5 degrees.
Keyword (in Japanese) (See Japanese page) 
(in English) compressive sensing / spectrum sensing / angle-of-arrival estimation / 5G / Beyond 5G / cyber-physical system / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 369, SR2023-70, pp. 9-16, Jan. 2024.
Paper # SR2023-70 
Date of Issue 2024-01-18 (SR) 
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 SR2023-70

Conference Information
Committee SR  
Conference Date 2024-01-25 - 2024-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagano-ken JA building 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive Radio, Dynamic Spectrum Sharing, Heterogeneous Network, SDN, AI/ML application 
Paper Information
Registration To SR 
Conference Code 2024-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Joint Sensing of Wideband Sparse Angular-Frequency Spectrum based on Compressive Sensing 
Sub Title (in English) Experimental Verification in the 4.8GHz Band 
Keyword(1) compressive sensing  
Keyword(2) spectrum sensing  
Keyword(3) angle-of-arrival estimation  
Keyword(4) 5G  
Keyword(5) Beyond 5G  
Keyword(6) cyber-physical system  
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Keyword(8)  
1st Author's Name Azril Haniz  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Hirokazu Sawada  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Takeshi Matsumura  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2024-01-25 10:55:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2023-70 
Volume (vol) vol.123 
Number (no) no.369 
Page pp.9-16 
#Pages 8 
Date of Issue 2024-01-18 (SR) 

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