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Presentation 2022-06-10 17:10
Application of pairing optimization algorithm to non-orthogonal multiple access
Naoki Fujita, Andre Roehm, Takatomo Mihana, Ryoichi Horisaki (The Univ. of Tokyo), Aohan Li (The Univ. of Electro-Communications), Mikio Hasegawa (Tokyo Univ. of Science), Makoto Naruse (The Univ. of Tokyo) NLP2022-25 CCS2022-25
Abstract (in Japanese) (See Japanese page) 
(in English) Non-Orthogonal Multiple Access (NOMA) is a promising next-generation communication technology that enables multiple terminals to use the same frequency band, leading to enhanced frequency utilization efficiency. Since NOMA is based on multiplexing in the power domain, user pairing is crucial in maximizing overall system throughput. However, since the number of possible pairings increases dramatically in double factorial order on the number of terminals, obtaining an optimal pairing in an instantaneous manner is not easy. This study applied a heuristic efficient pairing algorithm, wherein pairing optimization is transformed to a traveling salesman problem in a three-layer graph structure, to the pairing problem in NOMA assuming a realistic radio environment. We examined the performance, including comparisons to conventional methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-Orthogonal Multiple Access / Pairing / Communication System / Maximum Weighted Matching / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 66, CCS2022-25, pp. 129-134, June 2022.
Paper # CCS2022-25 
Date of Issue 2022-06-02 (NLP, CCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee CCS NLP  
Conference Date 2022-06-09 - 2022-06-10 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CCS 
Conference Code 2022-06-CCS-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Application of pairing optimization algorithm to non-orthogonal multiple access 
Sub Title (in English)  
Keyword(1) Non-Orthogonal Multiple Access  
Keyword(2) Pairing  
Keyword(3) Communication System  
Keyword(4) Maximum Weighted Matching  
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1st Author's Name Naoki Fujita  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Andre Roehm  
2nd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
3rd Author's Name Takatomo Mihana  
3rd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
4th Author's Name Ryoichi Horisaki  
4th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
5th Author's Name Aohan Li  
5th Author's Affiliation The University of Electro-Communications (The Univ. of Electro-Communications)
6th Author's Name Mikio Hasegawa  
6th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
7th Author's Name Makoto Naruse  
7th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
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Speaker Author-1 
Date Time 2022-06-10 17:10:00 
Presentation Time 25 minutes 
Registration for CCS 
Paper # NLP2022-25, CCS2022-25 
Volume (vol) vol.122 
Number (no) no.65(NLP), no.66(CCS) 
Page pp.129-134 
#Pages
Date of Issue 2022-06-02 (NLP, CCS) 


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