Presentation 2021-09-09
Compressed Sensing Based Power Allocation and User Selection Scheme Considering Channel State in Downlink NOMA
Tomofumi Makita, Osamu Muta,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In this paper, 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 based on max-min criterion, joint user pairing and power allocation are carried out under the interference threshold constraint Simulation results show that the proposed scheme improve the achieved data rate while meeting QoS requirement as far as it is feasible.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Non-orthogonal multiple access (NOMA) / user pairing / power allocation / compressed sensing
Paper # CQ2021-37
Date of Issue 2021-09-02 (CQ)

Conference Information
Committee CQ
Conference Date 2021/9/9(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Online
Topics (in Japanese) (See Japanese page)
Topics (in English) Wireless Communications Quality, 6G, IoT, Resource Management, Wireless Transmission, Cross layer Technologies, etc.
Chair Jun Okamoto(NTT)
Vice Chair Takefumi Hiraguri(Nippon Inst. of Tech.) / Gou Hasegawa(Tohoku Univ.)
Secretary Takefumi Hiraguri(NTT) / Gou Hasegawa(Ritsumeikan Univ.)
Assistant Yoshiaki Nishikawa(NEC) / Ryoichi Kataoka(KDDI Research) / Kimiko Kawashima(NTT)

Paper Information
Registration To Technical Committee on Communication Quality
Language JPN
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 Considering Channel State in Downlink NOMA
Sub Title (in English)
Keyword(1) Non-orthogonal multiple access (NOMA)
Keyword(2) user pairing
Keyword(3) power allocation
Keyword(4) compressed sensing
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.)
Date 2021-09-09
Paper # CQ2021-37
Volume (vol) vol.121
Number (no) CQ-173
Page pp.pp.1-5(CQ),
#Pages 5
Date of Issue 2021-09-02 (CQ)