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To improve the performance of the system of OFDM receivers, one of the effective methods is to use blanking nonlinearity. In this method, the samples whose magnitudes exceed a certain fixed threshold are considered to be IN-affected and are therefore blanked. A fixed threshold does not always determine the IN-affected samples truly for all probabilities of IN occurrence. This paper proposes an optimized threshold-calculation method for blanking nonlinearity which is based on distribution characteristics of the received signal, i.e., mean, median, and peak. The proposed method can calculate an optimized threshold for all probabilities of impulsive noise occurrence. Simulation results show over 2.2-dB gain in SNR and lower SER by using the proposed method as compared to fixed threshold.<\/jats:p>","DOI":"10.1186\/s13638-015-0416-0","type":"journal-article","created":{"date-parts":[[2015,7,13]],"date-time":"2015-07-13T21:34:32Z","timestamp":1436823272000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Optimized threshold calculation for blanking nonlinearity at OFDM receivers based on impulsive noise estimation"],"prefix":"10.1186","volume":"2015","author":[{"given":"Zehra","family":"Ali","sequence":"first","affiliation":[]},{"given":"Ferheen","family":"Ayaz","sequence":"additional","affiliation":[]},{"given":"Chang-Soo","family":"Park","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2015,7,14]]},"reference":[{"issue":"1","key":"416_CR1","doi-asserted-by":"publisher","first-page":"48","DOI":"10.7763\/IJCEE.2013.V5.660","volume":"5","author":"TH Tran","year":"2013","unstructured":"TH Tran, DD Do, TH Huynh, PLC impulsive noise in industrial zone: measurement and characterization. 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