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Paper Abstract and Keywords
Presentation 2021-10-29 10:30
[Poster Presentation] Compressed Sensing Based Power Allocation and User Selection Scheme for Downlink NOMA
Tomofumi Makita, Osamu Muta (Kyushu Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Downlink non-orthogonal multiple access (NOMA) systems with successive interference cancellation require an effective user selection strategy that assigns proper user-pair to the same resource block (RB). In this presentation, we propose a quality-of-service (QoS)-aware low complexity compressed sensing (CS)-based user selection and power allocation scheme for downlink non-orthogonal multiple access (NOMA) systems, where the tolerable interference threshold constraint is mathematically designed to achieve a given QoS requirement. Based on the fact that selecting a user-pair among all users is treated as a ‘sparse’ situation, joint user selection and power allocation problem is relaxed to l1 norm optimization problem under a QoS constraint based on the tolerable interference threshold, which can be solved by general CS algorithm. In this method, after allocating a suitable resource block, joint user pairing and power allocation are carried out under the interference threshold constraint. Simulation results show that the proposed scheme is effective in improving user-rate compared with other reference schemes while the QoS requirement is approximately satisfied as long as the required QoS value is feasible.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-orthogonal multiple access (NOMA) / user selection / power allocation / compressed sensing / / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee MIKA  
Conference Date 2021-10-27 - 2021-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communication Systems, etc. 
Paper Information
Registration To MIKA 
Conference Code 2021-10-MIKA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Compressed Sensing Based Power Allocation and User Selection Scheme for Downlink NOMA 
Sub Title (in English)  
Keyword(1) Non-orthogonal multiple access (NOMA)  
Keyword(2) user selection  
Keyword(3) power allocation  
Keyword(4) compressed sensing  
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1st Author's Name Tomofumi Makita  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Osamu Muta  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker
Date Time 2021-10-29 10:30:00 
Presentation Time 60 
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