Sidramayya S M, Dr.K.Ramesha. “GSA Based PSO-PTS Model for PAPR Reduction in OFDM and MIMO-OFDM Systems”. International Journal of Advanced Science and Technology, Vol. 29, no. 7s, June 2020, pp. 5714-2, https://sersc.org/journals/index.php/IJAST/article/view/26462.