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In the first stage, the source node sends covert messages to the relay, and the relay uses a single antenna to send interference signals to the adversary node to protect the covert information being transmitted. In the second stage, the relay decodes and forwards the covert information received in the first stage; at the same time, the relay uses zero\u2010forcing beamforming to send interference signals to the warden to ensure covert transmission. The detection error rate, transmission outage probability, maximum effective covert rate, and other performance indicators are derived in two stages, and the total performance of the system is derived and analyzed. Then, the performance indicators are verified and analyzed by simulation. Our analysis shows that the maximum effective covert rate of using the characteristics of multiantenna to interfere with Willie in the second stage is taken as the total covert performance of the system, and the transmission interruption probability is significantly less than that of the first stage, so the corresponding maximum effective concealment efficiency will be greater.<\/jats:p>","DOI":"10.1155\/2022\/1456570","type":"journal-article","created":{"date-parts":[[2022,1,7]],"date-time":"2022-01-07T17:05:12Z","timestamp":1641575112000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Covert Communication for Wireless Networks with Full\u2010Duplex Multiantenna Relay"],"prefix":"10.1155","volume":"2022","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8328-9505","authenticated-orcid":false,"given":"Ling","family":"Yang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3648-2729","authenticated-orcid":false,"given":"Weiwei","family":"Yang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liang","family":"Tang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liwei","family":"Tao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xingbo","family":"Lu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhengyun","family":"He","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,1,7]]},"reference":[{"key":"e_1_2_12_1_2","doi-asserted-by":"publisher","DOI":"10.1109\/jiot.2017.2786639"},{"key":"e_1_2_12_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.neucom.2019.10.031"},{"key":"e_1_2_12_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.neucom.2020.04.051"},{"key":"e_1_2_12_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.amc.2019.06.036"},{"key":"e_1_2_12_5_2","doi-asserted-by":"publisher","DOI":"10.1049\/iet-cta.2020.0110"},{"key":"e_1_2_12_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/tifs.2020.2968176"},{"key":"e_1_2_12_7_2","first-page":"36","article-title":"Secure multi-antenna cognitive wiretap networks","volume":"66","author":"Zgang T.","year":"2017","journal-title":"IEEE Transactions on Vehicular Technology"},{"key":"e_1_2_12_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/lwc.2019.2892771"},{"key":"e_1_2_12_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/tvt.2020.3020086"},{"key":"e_1_2_12_10_2","doi-asserted-by":"publisher","DOI":"10.1109\/tifs.2019.2955792"},{"key":"e_1_2_12_11_2","doi-asserted-by":"publisher","DOI":"10.1109\/lwc.2020.3012664"},{"key":"e_1_2_12_12_2","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2020.3031492"},{"key":"e_1_2_12_13_2","doi-asserted-by":"publisher","DOI":"10.1109\/lwc.2020.3011191"},{"key":"e_1_2_12_14_2","doi-asserted-by":"crossref","unstructured":"YangL. 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CohenA. GurewitzO. andCohenA. Multi-antenna Jamming in covert Communication Proceedings of the 2019 IEEE International Symposium on Information Theory (ISIT) July 2019 Paris France IEEE https:\/\/doi.org\/10.1109\/ISIT.2019.8849607 2-s2.0-85073152129.","DOI":"10.1109\/ISIT.2019.8849607"},{"key":"e_1_2_12_37_2","doi-asserted-by":"crossref","unstructured":"HuJ. ShahzadK. YanS. ZhouX. ShuF. andLiJ. Covert Communications with a Full-Duplex Receiver over Wireless Fading Channels Proceedings of the IEEE Int. Conf. Commun. (ICC) May 2018 Kansas City MO USA IEEE Kansas City MO USA 1\u20136 https:\/\/doi.org\/10.1109\/ICC.2018.8422941 2-s2.0-85050771157.","DOI":"10.1109\/ICC.2018.8422941"},{"key":"e_1_2_12_38_2","doi-asserted-by":"crossref","unstructured":"HuJ. YanS. ZhouX. ShuF. andWangJ. 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