{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T14:29:53Z","timestamp":1774967393958,"version":"3.50.1"},"reference-count":27,"publisher":"World Scientific Pub Co Pte Ltd","issue":"13","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J CIRCUIT SYST COMP"],"published-print":{"date-parts":[[2023,9,15]]},"abstract":"<jats:p> In this paper, we investigate non-orthogonal multiple access (NOMA) scheme in millimeter wave (mmWave) communication to serve nonclustered multiple users. We explore a low complex design of an analog beamforming weight vector and the power requirement of users aiming to minimize the total power targeting to satisfy the spectral efficiency (SE) requirements of all users. We propose a low complex constant modulus analog beamforming (CMAB) algorithm, where we first reduce the number of signal to interference plus noise ratio (SINR) constraints, which is attained from the order of equivalent channel gain of users. Then, the nonconvex constraint of constant modulus (CM) is relaxed and semi-definite programming (SDP) is used to solve the problem. Obtained weight vector and power for all users are optimal since the rank of positive semi-definite (PSD) matrix is one. Later, CM constraint is included. Simulation results show that the proposed algorithm requires less power with minimum complexity compared to the existing research, digital beamforming NOMA and time division multiple access (TDMA) for the same SE requirements. <\/jats:p>","DOI":"10.1142\/s0218126623502195","type":"journal-article","created":{"date-parts":[[2023,1,20]],"date-time":"2023-01-20T06:21:05Z","timestamp":1674195665000},"source":"Crossref","is-referenced-by-count":3,"title":["Low Complex Analog Beamforming Design in Multi-User mmWave Non-Orthogonal Multiple Access (NOMA)"],"prefix":"10.1142","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4702-0899","authenticated-orcid":false,"given":"S.","family":"Sumathi","sequence":"first","affiliation":[{"name":"Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Bengaluru 560035, India"}]},{"given":"T. K.","family":"Ramesh","sequence":"additional","affiliation":[{"name":"Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Bengaluru 560035, India"}]},{"given":"Zhiguo","family":"Ding","sequence":"additional","affiliation":[{"name":"Department of Electrical and Electronic Engineering, University of Manchester, Manchester, UK"},{"name":"Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, UAE"}]}],"member":"219","published-online":{"date-parts":[[2023,3,8]]},"reference":[{"key":"S0218126623502195BIB001","doi-asserted-by":"crossref","first-page":"103362","DOI":"10.1016\/j.jnca.2022.103362","volume":"203","author":"Liyanage M.","year":"2022","journal-title":"J. Netw. Comput. Appl."},{"key":"S0218126623502195BIB002","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1109\/ACCESS.2013.2260813","volume":"1","author":"Rappaport T. 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