Wang Q, Wei M, Zhu Y. Channel Estimation for Frequency Division Duplexing Multi-user Massive MIMO Systems via Tensor Compressive Sensing. Def. Sc. J. [Internet]. 2017 Nov. 6 [cited 2025 Jun. 15];67(6):668-73. Available from: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/10984