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Paper Abstract and Keywords
Presentation 2022-08-02 16:20
Esimation of Propagation Delay and Doppler Frequency based on Time-Domain and Frequency-Domain Spread Spectrum Signal.
Yutaka Jitsumatsu (Tokyo Tech.) NLP2022-38
Abstract (in Japanese) (See Japanese page) 
(in English) In Direct Sequence Spread Spectrum (DSSS) communications, a symbol interval is divided into chip intervals, and a pseudo-random noise signal that takes a value of $+1$ or $-1$, independent of the transmitted symbols, is multiplied over the chip interval.
The frequency bandwidth of the signal is expanded, making it robust to narrow-band interference.
The wide bandwidth also allows distance measurement by code synchronization of the spread spectrum signal.
The author studies simultaneous estimation of propagation time delay and Doppler frequency using two-dimensional spread spectrum signal, which multiplies pseudo-random noise signal in both the time and frequency domains.
In this paper, we show some existing estimation methods and then
describe an estimation method that was proposed previously by Kohda and the author, called Phase Updating Loop (PUL).
Keyword (in Japanese) (See Japanese page) 
(in English) Spread Spectrum / Ambiguity function / Delay/Doppler Estimation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 143, NLP2022-38, pp. 44-49, Aug. 2022.
Paper # NLP2022-38 
Date of Issue 2022-07-26 (NLP) 
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 NLP2022-38

Conference Information
Committee NLP  
Conference Date 2022-08-02 - 2022-08-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NLP 
Conference Code 2022-08-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Esimation of Propagation Delay and Doppler Frequency based on Time-Domain and Frequency-Domain Spread Spectrum Signal. 
Sub Title (in English)  
Keyword(1) Spread Spectrum  
Keyword(2) Ambiguity function  
Keyword(3) Delay/Doppler Estimation  
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1st Author's Name Yutaka Jitsumatsu  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
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Speaker Author-1 
Date Time 2022-08-02 16:20:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2022-38 
Volume (vol) vol.122 
Number (no) no.143 
Page pp.44-49 
#Pages 6 
Date of Issue 2022-07-26 (NLP) 

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