ABDEL-RAZEQ, Sharief Nasr; AL-AZZEH, Areej Salah; AYYOUB, Rawan Yousef. Study of QPSK Modulator and Demodulator in Wireless Communication System Using MATLAB. International Journal of Interactive Mobile Technologies (iJIM), [S. l.], v. 7, n. 2, p. pp. 4–8, 2013. DOI: 10.3991/ijim.v7i2.2239. Disponível em: https://online-journals.org/index.php/i-jim/article/view/2239. Acesso em: 6 may. 2024.