2 papers
math.OC2026
Decomposition and Successive Decomposition Methods and Algorithms for Nonconvex Optimization
Yiqing Zhai, Ying Cui, Danny H. K. Tsang
Existing results on decomposition methods and algorithms for nonconvex problems are minimal. Parallel decomposition algorithms do not exist for nonconvex problems with coupling non…
cs.IT2025
AMP-based Joint Activity Detection and Channel Estimation for Massive Grant-Free Access in OFDM-based Wideband Systems
Zhiyan Li, Ying Cui, Danny H. K. Tsang
To realize orthogonal frequency division multiplexing (OFDM)-based grant-free access for wideband systems under frequency-selective fading, existing device activity detection and c…