§  Rayan H. Alsisi and Raveendra K. Rao, " Constant Envelope DCT-based OFDM System with M-ary PAM Mapper over Fading Channels," Advances in Science, Technology and Engineering Systems Journal, vol. 3, no. 1, pp. 252-260, January, 2018.

§  Rayan H. Alsisi and Raveendra K. Rao, “Constant Envelope DCT-based OFDM System," IEIE Transactions on Smart Processing and Computing, vol. 6, no. 6, pp. 446-454, December 2017.

§  Rayan H. Alsisi and Raveendra K. Rao , “DCT- and FFT-based OFDM Systems with Continuous Phase Modulation over Flat Fading Channels," 2017 International Conference on Electrical and Computing Technologies and Applications (ICECTA), Ras Al Khaimah, UAE, pp. 1-6, November 2017.

§  Rayan H. Alsisi and Raveendra K. Rao," Constant Envelope DCT- and FFT-based OFDM Systems with Continuous Phase Chirp Modulation over Fading Channels," 2017 2nd International conferences on Information Technology, Information Systems and Electrical Engineering (ICITISEE), Yogyakarta, Indonesia, pp.211-216, November 2017.

§  Rayan H. Alsisi and Raveendra K. Rao," Constant Envelope DCT- and FFT-based OFDM Systems with Frequency Modulation in Flat Fading Channels," 2017 8th IEEE Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON), Vancouver, Canada, pp. 576-581, October 2017.

§  Rayan H. Alsisi and Raveendra K. Rao, "Performance Comparison of Constant Envelope DCT- and FFT-based OFDM Systems with Phase Modulation over Frequency-Nonselective Fading Channels," 2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Montreal, Canada, October 2017.

§  Alsisi R.H., Rao R. K., “BER Comparison of Constant Envelope DCT- and FFT-Based OFDM with Phase Modulation,” In: Barolli L., Enokido T., Takizawa M. (eds) Advances in Network-Based Information Systems. NBiS 2017. Lecture notes on Data Engineering and Communications Technologies, vol 7. Springer, Cham.

§  Rayan H. Alsisi and Raveendra K. Rao, “Performance Comparison of Constant Envelope DCT and FFT Based OFDM Frequency Modulation "2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES), Kollam, India, August 2017.