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Non-orthogonal multiple access (NOMA) has recently been proposed as a promising technology to achieve much superior spectral efficiency compared to conventional orthogonal multiple access techniques employed in present communication systems. A salient feature of NOMA is its use of successive interference cancellation (SIC) to decode users\u2019 information when multiple users are allowed to transmit in same time\/frequency\/code domain. In this paper, we aim to exploit an aspect of SIC, namely the availability of other users\u2019 data to realize a cooperative NOMA system. EXtrinsic information transfer (EXIT) charts are utilized to examine the performance of proposed system in terms of user fairness while employing IRregular convolutional codes (IRCC)s. The EXIT chart using IRCC evaluates the convergence analysis for the proposed system. Further, to evaluate the system performances in cooperative NOMA system, we have derived the expressions for the achievable rates which are obtained independently and utilized them in evaluating the experimental data for the proposed NOMA model.<\/jats:p>","DOI":"10.1186\/s13638-021-01961-z","type":"journal-article","created":{"date-parts":[[2021,4,7]],"date-time":"2021-04-07T13:06:05Z","timestamp":1617800765000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Cooperative non-orthogonal multiple access for wireless communication networks by exploiting the EXIT chart analysis"],"prefix":"10.1186","volume":"2021","author":[{"given":"Zeyad","family":"Elsaraf","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abbas","family":"Ahmed","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7491-8776","authenticated-orcid":false,"given":"Faheem Ahmad","family":"Khan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qasim Zeeshan","family":"Ahmed","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,4,7]]},"reference":[{"key":"1961_CR1","volume-title":"Spectrum Sharing: The Next Frontier in Wireless Networks","year":"2020","unstructured":"C.B. 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