2 papers
cs.NI2026
Sensing in Low-altitude Wireless Networks: Systems, Techniques, and Developments
Zihao Tao, Yiming Zhao, Hongtao Zhao +2
The highly dynamic and safety-critical characteristics of low-altitude airspace render sensing an indispensable component of low-altitude wireless networks (LAWN). Although sensing…
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…