8 papers
Blind OFDM-ISAC Relying on Asymmetric Modem Constellations
Henglin Pu, Ahmad Musallam, Husheng Li +1
Integrated sensing and communication (ISAC) is increasingly expected to operate under aggressive spectrum reuse, where co-channel orthogonal frequency division multiplexing (OFDM)…
Virtualizing the Senses: Enabling High-Precision ISAC on Commercial Cellular Infrastructure
Henglin Pu, Husheng Li
Integrated sensing and communication (ISAC) is poised to be a defining feature of 6G networks, promising to transform cellular base stations (BSs) into ubiquitous radar sensors. Ho…
Safe Continuous-time Multi-Agent Reinforcement Learning via Epigraph Form
Xuefeng Wang, Lei Zhang, Henglin Pu +2
Multi-agent reinforcement learning (MARL) has made significant progress in recent years, but most algorithms still rely on a discrete-time Markov Decision Process (MDP) with fixed…
Continuous-Time Value Iteration for Multi-Agent Reinforcement Learning
Xuefeng Wang, Lei Zhang, Henglin Pu +2
Existing reinforcement learning (RL) methods struggle with complex dynamical systems that demand interactions at high frequencies or irregular time intervals. Continuous-time RL (C…
Space-Time-Frequency Synthetic Integrated Sensing and Communication Networks
Henglin Pu, Xuefeng Wang, Lu Su +1
Integrated sensing and communication (ISAC) promises high spectral and power efficiencies by sharing waveforms, spectrum, and hardware across sensing and data links. Yet commercial…
Wideband Integrated Sensing and Communications: Spectral Efficiency and Signaling Design
Henglin Pu, Zhu Han, Athina P. Petropulu +1
In integrated sensing and communications (ISAC), a distinguishing feature of 6G wireless networks, the main challenge lies in integrating the two distinct functions of sensing and…