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Paper Abstract and Keywords
Presentation 2026-09-09 11:10
Multivariate probability distribution and propagation models -- From three Nakagami distributions (n, m, q) to multi-cluster models --
Yoshio Karasawa AP2026-73
Abstract (in Japanese) (See Japanese page) 
(in English) This discussion systematically categorizes the various probability distributions found in radio wave propagation models that originate from the multivariate normal distribution, focusing on the significance of these distributions. From the three distributions (the n, m, and q distributions) pioneered by Minoru Nakagami to more recent propagation models (such as multi-cluster models), the probability distributions underlying these models share a common form and are interconnected by a single, unifying thread.
Keyword (in Japanese) (See Japanese page) 
(in English) propagation model / multivariate normal distribution / multivariate Rayleigh distribution / chi-squared distribution / non-central chi-squared distribution / κ-μ distribution / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 172, AP2026-73, pp. 16-21, Sept. 2026.
Paper # AP2026-73 
Date of Issue 2026-09-02 (AP) 
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 AP2026-73

Conference Information
Committee MW AP  
Conference Date 2026-09-09 - 2026-09-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Ishikawa Prefectural Library 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave, Millimeter wave, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2026-09-MW-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multivariate probability distribution and propagation models 
Sub Title (in English) From three Nakagami distributions (n, m, q) to multi-cluster models 
Keyword(1) propagation model  
Keyword(2) multivariate normal distribution  
Keyword(3) multivariate Rayleigh distribution  
Keyword(4) chi-squared distribution  
Keyword(5) non-central chi-squared distribution  
Keyword(6) κ-μ distribution  
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Keyword(8)  
1st Author's Name Yoshio Karasawa  
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Speaker Author-1 
Date Time 2026-09-09 11:10:00 
Presentation Time 20 minutes 
Registration for AP 
Paper # AP2026-73 
Volume (vol) vol.126 
Number (no) no.172 
Page pp.16-21 
#Pages 6 
Date of Issue 2026-09-02 (AP) 

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