Obaidi, Yaseen A. Mohammed, and Anas L. Mahmood. “Channel Estimation for Mixed-Analog to Digital Converters Architecture in Massive MIMO Architecture Using Approximate Conjugate Gradient Pursuit Algorithm”. Al-Nahrain Journal for Engineering Sciences 28, no. 2 (July 19, 2025): 296–303. Accessed July 20, 2025. https://nahje.com/index.php/main/article/view/1310.