“Channel Estimation in BPSK-QPSK-PSK 16 & 64 QAM MIMO-OFDM System” (2014) International Journal of Current Engineering and Technology, 4(4), pp. 2346–2348. Available at: https://ijcet.evegenis.org/index.php/ijcet/article/view/1038 (Accessed: 12 April 2026).