no code implementations • 13 Jul 2020 • Huimei Han, Wenchao Zhai, Zhefu Wu, Ying Li, Jun Zhao, Mingda Chen
Simulation results show that, compared to the exiting random access scheme for the crowded asynchronous massive MIMO systems, the proposed scheme can improve the uplink throughput and estimate the effective timing offsets accurately at the same time.
no code implementations • 21 Jul 2019 • Yun Xiang, Zhuangzhi Chen, Zuohui Chen, Zebin Fang, Haiyang Hao, Jinyin Chen, Yi Liu, Zhefu Wu, Qi Xuan, Xiaoniu Yang
However, recent studies indicate that they are also vulnerable to adversarial attacks.
no code implementations • 7 Jan 2019 • Quan Yuan, Junxia Li, Lingwei Zhang, Zhefu Wu, Guangyu Liu
Blind motion deblurring is one of the most basic and challenging problems in image processing and computer vision.