Bondariev, A., and I. Maksymiv. “Comparative Analysis and Ways of Improvement of Noise Immunity of Demodulation of OQPSK Signals”. Elektronika ir Elektrotechnika 105, no. 9 (October 29, 2010): 81-84. Accessed December 4, 2021. https://eejournal.ktu.lt/index.php/elt/article/view/9183.