Xiaofeng Liu 0010 Wenjin Wang 0001 Xinrui Gong Xiao Fu 0006 Xiqi Gao 0001 Xiang-Gen Xia 0001 Exploiting Markov Random Field Sparsity for Wideband Channel Estimation in Massive MIMO Systems. 1040-1045 2022 WCSP https://doi.org/10.1109/WCSP55476.2022.10039363 conf/wcsp/2022 db/conf/wcsp/wcsp2022.html#LiuWGFGX22