Buddhacharya, S., P. Saengudomlert, and K. Sterckx. “BER Performance Investigation of WPM With Unknown CSI Using Time-Domain MMSE Equalization”. ECTI Transactions on Electrical Engineering, Electronics, and Communications, vol. 17, no. 2, Aug. 2019, pp. 120-9, doi:10.37936/ecti-eec.2019172.219182.