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However, it fails in the case of several modulation schemes with constellation size M, such as M\u2010PSK, M\u2010QAM, and M\u2010PAM schemes among the others, due to the computational complexity of the involved integration. Though authors in the literature suggest alternate analytical expressions to overcome the problem it is solved only for M\u2010PSK and M\u2010QAM schemes. Hence, we present a generic MGF\u2010based tight approximation for the error rate analysis of different modulation schemes. Particularly, error rate analysis of M\u2010PAM, M\u2010AM, B\u2010PSK, B\u2010FSK, and orthogonal B\u2010FSK with non\u2010coherent (Non\u2010Co) detection modulation schemes are presented through known MGF based expressions without the evaluation of any integration. Also, a simple analytical expression for the M\u2010QAM modulation scheme is presented. Besides, the proposed MGF\u2010based analytical expressions are used to evaluate the error rate of M\u2010PSK, M\u2010PAM, and M\u2010AM modulation schemes over the generalized\u2010K (GK) fading channel, which is not presented in literature due to the computational complexity of involved integration. Newly, derived analytical expressions are validated through Monte Carlo simulation. The graphical results show the validity and accuracy of the proposed unified MGF\u2010based analytical expressions for error rate analysis of different modulation schemes over<jats:italic>k<\/jats:italic><jats:italic>\u03bc<\/jats:italic>\u2010gamma and GK fading channels, respectively.<\/jats:p>","DOI":"10.1002\/dac.5127","type":"journal-article","created":{"date-parts":[[2022,2,21]],"date-time":"2022-02-21T02:50:05Z","timestamp":1645411805000},"update-policy":"https:\/\/linproxy.fan.workers.dev:443\/https\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Generic MGF\u2010based tight approximation for the error rate analysis"],"prefix":"10.1002","volume":"35","author":[{"ORCID":"https:\/\/linproxy.fan.workers.dev:443\/https\/orcid.org\/0000-0001-7604-5123","authenticated-orcid":false,"given":"S.","family":"Pratap Singh","sequence":"first","affiliation":[{"name":"Department of ECE Galgotias College of Engineering and Technology Greater Noida India"}]},{"given":"Shekhar","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of ECE Galgotias College of Engineering and Technology Greater Noida India"}]},{"given":"Amit","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of ECE GL Bajaj Institute of Technology and Management, Gr. Noida Gr. Noia India"}]},{"ORCID":"https:\/\/linproxy.fan.workers.dev:443\/https\/orcid.org\/0000-0002-8910-8864","authenticated-orcid":false,"given":"Ashish","family":"Pandey","sequence":"additional","affiliation":[{"name":"Department of ECE National Institute of Technology Silchar India"}]},{"ORCID":"https:\/\/linproxy.fan.workers.dev:443\/https\/orcid.org\/0000-0002-1924-3112","authenticated-orcid":false,"given":"Lakshmanan","family":"M","sequence":"additional","affiliation":[{"name":"Department of ECE Galgotias College of Engineering and Technology Greater Noida India"}]},{"ORCID":"https:\/\/linproxy.fan.workers.dev:443\/https\/orcid.org\/0000-0003-2942-5339","authenticated-orcid":false,"suffix":"V","given":"Noor","family":"Mohammed","sequence":"additional","affiliation":[{"name":"School of Electronics Engineering Vellore Institue of Technology Vellore India"}]},{"given":"Sanjay","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of ECE Birla Institue of technology Ranchi India"}]}],"member":"311","published-online":{"date-parts":[[2022,2,20]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2004.826373"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2008.071619"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2009.03.060521"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2010.111910.101902"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2012.062512.110846"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11277-014-1618-1"},{"key":"e_1_2_6_8_1","doi-asserted-by":"crossref","unstructured":"TorabiM HaccounD AjibW.BER performance analysis of multiuser diversity with antenna selection in MRC MIMO systems. 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