{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,16]],"date-time":"2026-03-16T16:11:15Z","timestamp":1773677475914,"version":"3.50.1"},"reference-count":27,"publisher":"Institution of Engineering and Technology (IET)","issue":"1","license":[{"start":{"date-parts":[[2025,4,22]],"date-time":"2025-04-22T00:00:00Z","timestamp":1745280000000},"content-version":"vor","delay-in-days":111,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["ietresearch.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IET Communications"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>This paper considers a downlink multiple input single output (MISO) non\u2010orthogonal multiple access (NOMA) system over Nakagami\u2010m fading channels, where a multi\u2010antenna base station (BS) serves several single\u2010antenna users with the statistical channel state information (CSI) of each user. We propose a novel low\u2010complexity transmit antenna selection by head user (TAS\u2010head) strategy for the first time to exploit the spatial diversity of multiple antennas. Based on our proposed TAS\u2010head strategy, we derive a closed\u2010form expression of the exact outage probability (OP). We further analyse the asymptotic OP and diversity order in high signal\u2010to\u2010noise ratio (SNR) regime. Finally, we formulate a power allocation optimization problem to maximize sum throughput under outage constraints. We also design an Adam algorithm in combination with numerical differentiation method to obtain a suboptimal solution. Monte Carlo (MC) simulations verify the accuracy of our derived exact OP. Results show that our proposed TAS\u2010head strategy is more effective than its benchmarks (TAS\u2010near\/far and TAS\u2010maj). Furthermore, we prove that PA\u2010TDR criterion achieves better performance than PA\u2010ACG in scenarios where the descending order of target data rate is the same with that of channel condition. Our designed Adam algorithm turns out to be more effective in comparison with genetic algorithm (GA) in multi\u2010user case. Results indicate that our proposed TAS\u2010head strategy is an efficient method to meet users' QoS requirements, especially in low SNR (or transmit power) regime.<\/jats:p>","DOI":"10.1049\/cmu2.70018","type":"journal-article","created":{"date-parts":[[2025,4,22]],"date-time":"2025-04-22T05:20:05Z","timestamp":1745299205000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Transmit Antenna Selection and Power Allocation Optimization for Non\u2010Orthogonal Multiple Access Systems with Statistical Channel State Information"],"prefix":"10.1049","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7244-6883","authenticated-orcid":false,"given":"Zhuo","family":"Han","sequence":"first","affiliation":[{"name":"School of Electrical and Information Engineering Zhengzhou University Zhengzhou China"}]},{"given":"Wanming","family":"Hao","sequence":"additional","affiliation":[{"name":"School of Electrical and Information Engineering Zhengzhou University Zhengzhou China"}]},{"given":"Shouyi","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Electrical and Information Engineering Zhengzhou University Zhengzhou China"}]},{"given":"Zhiqing","family":"Tang","sequence":"additional","affiliation":[{"name":"School of Cyber Science and Engineering Zhengzhou University Zhengzhou China"}]}],"member":"265","published-online":{"date-parts":[[2025,4,22]]},"reference":[{"key":"e_1_2_14_2_1","first-page":"1","volume-title":"IEEE 77th VTC (VTC Spring)","author":"Saito Y.","year":"2013"},{"key":"e_1_2_14_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2017.1500657CM"},{"key":"e_1_2_14_4_1","doi-asserted-by":"publisher","DOI":"10.1155\/2020\/8024101"},{"key":"e_1_2_14_5_1","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2020.2973726"},{"key":"e_1_2_14_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSYST.2019.2900090"},{"key":"e_1_2_14_7_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2022.3175915"},{"key":"e_1_2_14_8_1","first-page":"1","volume-title":"2022 IEEE 95th VTC: (VTC2022\u2010Spring)","author":"Chiu H. 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