242 citations · 274 across the 16 of their papers we have counts for
6 papers · 1 filter
Grant-Free NOMA-OTFS Paradigm: Enabling Efficient Ubiquitous Access for LEO Satellite Internet-of-Things
Zhen Gao, Xingyu Zhou, Jingjing Zhao +7
With the blooming of Internet-of-Things (IoT), we are witnessing an explosion in the number of IoT terminals, triggering an unprecedented demand for ubiquitous wireless access glob…
The Road to Industry 4.0 and Beyond: A Communications-, Information-, and Operation Technology Collaboration Perspective
Ziwei Wan, Zhen Gao, Marco Di Renzo +1
The fourth industrial revolution, i.e., Industry 4.0, is evolving all around the globe. In this article, we introduce the landscape of Industry 4.0 and beyond empowered by the seam…
Transformer-Empowered 6G Intelligent Networks: From Massive MIMO Processing to Semantic Communication
Yang Wang, Zhen Gao, Dezhi Zheng +3
It is anticipated that 6G wireless networks will accelerate the convergence of the physical and cyber worlds and enable a paradigm-shift in the way we deploy and exploit communicat…
Joint Activity and Blind Information Detection for UAV-Assisted Massive IoT Access
Li Qiao, Jun Zhang, Zhen Gao +5
Grant-free non-coherent index-modulation (NC-IM) has been recently considered as an efficient massive access scheme for enabling cost- and energy-limited Internet-of-Things (IoT) d…
Data-Driven Deep Learning Based Hybrid Beamforming for Aerial Massive MIMO-OFDM Systems with Implicit CSI
Zhen Gao, Minghui Wu, Chun Hu +4
In an aerial hybrid massive multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM) system, how to design a spectral-efficient broadband multi-u…
Active Terminal Identification, Channel Estimation, and Signal Detection for Grant-Free NOMA-OTFS in LEO Satellite Internet-of-Things
Xingyu Zhou, Keke Ying, Zhen Gao +5
This paper investigates the massive connectivity of low Earth orbit (LEO) satellite-based Internet-of-Things (IoT) for seamless global coverage. We propose to integrate the grant-f…