no code implementations • 14 Apr 2024 • Xuyang Zhao. Wei Guo, Yongchao Wang
The optimization aims to design artificial noise signals within the space to facilitate covert communication while minimizing the impact on the performance of legitimate communication.
1 code implementation • CVPR 2023 • Yongchao Wang, Bin Xiao, Xiuli Bi, Weisheng Li, Xinbo Gao
Inspired by the plain contrast idea, MCF introduces two different subnets to explore and utilize the discrepancies between subnets to correct cognitive bias of the model.
no code implementations • 22 May 2022 • Hongyi Li, Junxiang Wang, Yongchao Wang
Massive Multiple-Input Multiple-Out (MIMO) detection is an important problem in modern wireless communication systems.
no code implementations • 26 Feb 2022 • Beiduo Chen, Wu Guo, Bin Gu, Quan Liu, Yongchao Wang
Cross-language pre-trained models such as multilingual BERT (mBERT) have achieved significant performance in various cross-lingual downstream NLP tasks.
no code implementations • 9 Jan 2022 • Long Yang, Jiangtao Wang, Xuan Xue, Jia Shi, Yongchao Wang
In this paper, we investigate the secure beamforming design in an intelligent reflection surface (IRS) assisted millimeter wave (mmWave) system, where the hybrid beamforming (HB) and the passive beamforming (PB) are employed by the transmitter and the IRS, respectively.
no code implementations • 28 Oct 2021 • Cong Li, Fangzhou Liu, Yongchao Wang, Martin Buss
The learning inefficiency of reinforcement learning (RL) from scratch hinders its practical application towards continuous robotic tracking control, especially for high-dimensional robots.
no code implementations • 6 Oct 2021 • Jiangtao Wang, Yongchao Wang
In this paper, we design low correlation binary sequences favorable in wireless communication and radar applications.
1 code implementation • 3 Sep 2021 • Qingkai Shi, Yongchao Wang, Charles Zhang
Many context-sensitive data flow analyses can be formulated as a variant of the all-pairs Dyck-CFL reachability problem, which, in general, is of sub-cubic time complexity and quadratic space complexity.
1 code implementation • 20 May 2021 • Junxiang Wang, Hongyi Li, Zheng Chai, Yongchao Wang, Yue Cheng, Liang Zhao
Theoretical convergence to a (quantized) stationary point of the pdADMM-G algorithm and the pdADMM-G-Q algorithm is provided with a sublinear convergence rate $o(1/k)$, where $k$ is the number of iterations.
no code implementations • 4 May 2021 • Cong Li, Yongchao Wang, Fangzhou Liu, Qingchen Liu, Martin Buss
This paper presents a new formulation for model-free robust optimal regulation of continuous-time nonlinear systems.
no code implementations • 16 Apr 2021 • Quan Zhang, Jiangtao Wang, Yongchao Wang
In this paper, we design an efficient quadrature amplitude modulation (QAM) signal detector for massive multiple-input multiple-output (MIMO) communication systems via the penalty-sharing alternating direction method of multipliers (PS-ADMM).
no code implementations • 27 Feb 2021 • Isayiyas Nigatu Tiba, Quan Zhang, Jing Jiang, Yongchao Wang
An alternate direction method of multipliers (ADMM)-based detectors can achieve good performance in both small and large-scale multiple-input multiple-output (MIMO) systems.
no code implementations • 14 Oct 2020 • Quan Zhang, Yongchao Wang
Then, the higher modulation signals are decomposed into a sum of multiple binary variables through their inherent structures, by exploiting introduced binary variables as penalty functions, the detection optimization model is equivalent to a nonconvex sharing minimization problem.