{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,22]],"date-time":"2025-10-22T18:22:54Z","timestamp":1761157374547,"version":"3.41.2"},"reference-count":34,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,5,24]],"date-time":"2022-05-24T00:00:00Z","timestamp":1653350400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Trans Emerging Tel Tech"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A generalized version of the quadrature spatial modulation (QSM) scheme is called a modified generalized QSM (mGQSM), which is proposed to enhance the spectral efficiency of QSM by considering multiple radio frequency chains. In QSM, the in\u2010phase and quadrature dimensions are used to transmit the data symbols. Using the QSM transmission principle, the mGQSM scheme can transmit the data symbols on different antennas ranging from <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/ett4563-math-0001.png\" xlink:title=\"urn:x-wiley:ett:media:ett4563:ett4563-math-0001\"\/> to <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/ett4563-math-0002.png\" xlink:title=\"urn:x-wiley:ett:media:ett4563:ett4563-math-0002\"\/>. Moreover, the proposed scheme provides an additional one bit data rate when compared to generalized QSM (GQSM). This paper presents the performance of mGQSM under imperfect channel conditions over correlated Rayleigh, Rician, and Nakagami\u2010m fading channels. For the computer simulations, we assume <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/ett4563-math-0003.png\" xlink:title=\"urn:x-wiley:ett:media:ett4563:ett4563-math-0003\"\/> and various fading parameters for the Rician and Nakagami channels. The error performances of the mGQSM, GQSM, and QSM schemes are evaluated using the maximum\u2010likelihood (ML) detector. Under imperfect channel conditions, the mGQSM and QSM schemes are examined and compared. Furthermore, a low complexity ordered block minimum mean\u2010squared error (OB\u2010MMSE) detector is employed for the reduced\u2010codebook mGQSM (RC\u2010mGQSM), which achieves near\u2010ML performance with reduced complexity.<\/jats:p>","DOI":"10.1002\/ett.4563","type":"journal-article","created":{"date-parts":[[2022,5,24]],"date-time":"2022-05-24T11:21:04Z","timestamp":1653391264000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Performance of modified generalized quadrature spatial modulation over correlated fading channels with imperfect channel information"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7217-9351","authenticated-orcid":false,"given":"Kiran","family":"Gunde","sequence":"first","affiliation":[{"name":"Department of ECE NIT Warangal  Telangana India"}]},{"given":"Anuradha","family":"Sundru","sequence":"additional","affiliation":[{"name":"Department of ECE NIT Warangal  Telangana India"}]}],"member":"311","published-online":{"date-parts":[[2022,5,24]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2007.912136"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2008.080739"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/JPROC.2013.2287851"},{"key":"e_1_2_8_5_1","doi-asserted-by":"crossref","unstructured":"KocaM SariH.Performance of spatial modulation over correlated fading channels with channel estimation errors. 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