430 citations · 910 across the 97 of their papers we have counts for
14 papers · 1 filter
Uplink Transmission Design for Crowded Correlated Cell-Free Massive MIMO-OFDM Systems
Junyuan Gao, Yongpeng Wu, Yongjian Wang +2
In cell-free massive multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems, user equipments (UEs) are served by many distributed access po…
Compressive Sensing Based Joint Activity and Data Detection for Grant-Free Massive IoT Access
Yikun Mei, Zhen Gao, Yongpeng Wu +4
Massive machine-type communications (mMTC) are poised to provide ubiquitous connectivity for billions of Internet-of-Things (IoT) devices. However, the required low-latency massive…
Transmit Covariance and Waveform Optimization for Non-orthogonal CP-FBMA System
Yuhao Qi, Jian Dang, Zaichen Zhang +2
Filter bank multiple access (FBMA) without subbands orthogonality has been proposed as a new candidate waveform to better meet the requirements of future wireless communication sys…
Massive Unsourced Random Access for Massive MIMO Correlated Channels
Xinyu Xie, Yongpeng Wu, Junyuan Gao +1
This paper investigates the massive random access for a huge amount of user devices served by a base station (BS) equipped with a massive number of antennas. We consider a grant-fr…
SPARC-LDPC Coding for MIMO Massive Unsourced Random Access
Tianya Li, Yongpeng Wu, Mengfan Zheng +2
A joint sparse-regression-code (SPARC) and low-density-parity-check (LDPC) coding scheme for multiple-input multiple-output (MIMO) massive unsourced random access (URA) is proposed…
Large Intelligent Surface Aided Physical Layer Security Transmission
Biqian Feng, Yongpeng Wu, Mengfan Zheng +3
In this paper, we investigate a large intelligent surface-enhanced (LIS-enhanced) system, where a LIS is deployed to assist secure transmission. Our design aims to maximize the ach…
Energy-efficiency of Massive Random Access with Individual Codebook
Junyuan Gao, Yongpeng Wu, Wenjun Zhang
The massive machine-type communication has been one of the most representative services for future wireless networks. It aims to support massive connectivity of user equipments (UE…
Enhanced Secrecy Rate Maximization for Directional Modulation Networks via IRS
Feng Shu, Jiayu Li, Mengxing Huang +5
Intelligent reflecting surface (IRS) is of low-cost and energy-efficiency and will be a promising technology for the future wireless communications like sixth generation. To addres…
Massive Access in Cell-Free Massive MIMO-Based Internet of Things: Cloud Computing and Edge Computing Paradigms
Malong Ke, Zhen Gao, Yongpeng Wu +2
This paper studies massive access in cell-free massive multi-input multi-output (MIMO) based Internet of Things and solves the challenging active user detection (AUD) and channel e…
Polar Coding and Sparse Spreading for Massive Unsourced Random Access
Mengfan Zheng, Yongpeng Wu, Wenjun Zhang
In this paper, we propose a new polar coding scheme for the unsourced, uncoordinated Gaussian random access channel. Our scheme is based on sparse spreading, treat interference as…
Joint User Identification and Channel Estimation Over Rician Fading Channels
Liang Wu, Zaichen Zhang, Jian Dang +3
This paper considers crowded massive multiple input multiple output (MIMO) communications over a Rician fading channel, where the number of users is much greater than the number of…
Towrad 5G Air Interface Technology: Sparse Code Muliple Access
Fan Wei, Wen Chen, Yong peng Wu +2
The fifth generation wireless networks focus on the design of low latency, high data rate, high reliability, and massive connectivity communications. Non-orthogonal multiple access…
Compressive Massive Access for Internet of Things: Cloud Computing or Fog Computing?
Malong Ke, Zhen Gao, Yongpeng Wu
This paper considers the support of grant-free massive access and solves the challenge of active user detection and channel estimation in the case of a massive number of users. By…
GMD-Based Hybrid Beamforming for Large Reconfigurable Intelligent Surface Assisted Millimeter-Wave Massive MIMO
Keke Ying, Zhen Gao, Shanxiang Lyu +3
Reconfigurable intelligent surface (RIS) is considered to be an energy-efficient approach to reshape the wireless environment for improved throughput. Its passive feature greatly r…