225 citations · 308 across the 44 of their papers we have counts for
45 papers
A New Paradigm Towards Reconfigurable Environment: Reconfigurable Distributed Antennas and Reflecting Surface
Jintao Wang, Pingping Zhang, Chengzhi Ma +4
Reconfigurable distributed antennas and reflecting surface (RDARS) has emerged as a transformative solution to address the stringent requirements of future wireless networks. By co…
Non-Orthogonal HARQ-CC over SDR: A GNU Radio-Based Implementation
Hongling Huang, Jintao Wang, Zheng Shi +4
Hybrid Automatic Repeat Request (HARQ) schemes typically allocate all available resources to retransmit failed packets to ensure reliability. However, under stringent delay constra…
Asymptotic Performance Analysis of Fluid Antenna Systems: An Extreme Value Theory Perspective
Yi Zhang, Jintao Wang, Zheng Shi +4
Fluid antenna systems (FAS) allow dynamic reconfiguration to achieve superior diversity gains and reliability. To quantify the performance scaling of FAS with a large number of ant…
Out-of-Band Modality Synergy Based Multi-User Beam Prediction and Proactive BS Selection with Zero Pilot Overhead
Kehui Li, Binggui Zhou, Jiajia Guo +3
Multi-user millimeter-wave communication relies on narrow beams and dense cell deployments to ensure reliable connectivity. However, tracking optimal beams for multiple mobile user…
Power Allocation for Coordinated Multi-Point Aided ISAC Systems
Jianpeng Zou, Zhanfeng Zhong, Jintao Wang +3
In this letter, we investigate a coordinated multiple point (CoMP)-aided integrated sensing and communication (ISAC) system that supports multiple users and targets. Multiple base…
Secure Communication in Dynamic RDARS-Driven Systems
Ziqian Pei, Jintao Wang, Pingping Zhang +3
In this letter, we investigate a dynamic reconfigurable distributed antenna and reflection surface (RDARS)-driven secure communication system, where the working mode of the RDARS c…
Low-Overhead Channel Estimation via 3D Extrapolation for TDD mmWave Massive MIMO Systems Under High-Mobility Scenarios
Binggui Zhou, Xi Yang, Shaodan Ma +2
In time division duplexing (TDD) millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, downlink channel state information (CSI) can be obtained from uplin…
Robust Beamforming Design and Antenna Selection for Dynamic HRIS-aided MISO System
Jintao Wang, Binggui Zhou, Chengzhi Ma +3
In this paper, we propose a dynamic hybrid active-passive reconfigurable intelligent surface (HRIS) to enhance multiple-input-single-output (MISO) communications, leveraging the pr…
Variational Bayesian Learning Based Localization and Channel Reconstruction in RIS-aided Systems
Yunfei Li, Yiting Luo, Xianda Wu +3
The emerging immersive and autonomous services have posed stringent requirements on both communications and localization. By considering the great potential of reconfigurable intel…
Variational Bayesian Learning based Joint Localization and Path Loss Exponent with Distance-dependent Noise in Wireless Sensor Network
Yunfei Li, Yiting Luo, Weiqiang Tan +3
This paper focuses on the challenge of jointly optimizing location and path loss exponent (PLE) in distance-dependent noise. Departing from the conventional independent noise model…
HARQ-IR Aided Short Packet Communications: BLER Analysis and Throughput Maximization
Fuchao He, Zheng Shi, Guanghua Yang +3
This paper introduces hybrid automatic repeat request with incremental redundancy (HARQ-IR) to boost the reliability of short packet communications. The finite blocklength informat…
RDARS Empowered Massive MIMO System: Two-Timescale Transceiver Design with Imperfect CSI
Chengzhi Ma, Jintao Wang, Xi Yang +3
In this paper, we investigate a novel reconfigurable distributed antennas and reflecting surface (RDARS) aided multi-user massive MIMO system with imperfect CSI and propose a pract…
A Low-Overhead Incorporation-Extrapolation based Few-Shot CSI Feedback Framework for Massive MIMO Systems
Binggui Zhou, Xi Yang, Jintao Wang +3
Accurate channel state information (CSI) is essential for downlink precoding in frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems with orthog…
Spectral-Efficiency and Energy-Efficiency of Variable-Length XP-HARQ
Jiahui Feng, Zheng Shi, Yaru Fu +3
A variable-length cross-packet hybrid automatic repeat request (VL-XP-HARQ) is proposed to boost the spectral efficiency (SE) and the energy efficiency (EE) of communications. The…
Deep Reinforcement Learning Empowered Rate Selection of XP-HARQ
Da Wu, Jiahui Feng, Zheng Shi +3
The complex transmission mechanism of cross-packet hybrid automatic repeat request (XP-HARQ) hinders its optimal system design. To overcome this difficulty, this letter attempts to…
Graph Convolutional Network Enabled Power-Constrained HARQ Strategy for URLLC
Yi Chen, Zheng Shi, Hong Wang +4
In this paper, a power-constrained hybrid automatic repeat request (HARQ) transmission strategy is developed to support ultra-reliable low-latency communications (URLLC). In partic…
Performance Analysis and Optimal Design of HARQ-IR-Aided Terahertz Communications
Ziyang Song, Zheng Shi, Jiaji Su +4
Terahertz (THz) communications are envisioned to be a promising technology for 6G thanks to its broad bandwidth. However, the large path loss, antenna misalignment, and atmospheric…
Reconfigurable Distributed Antennas and Reflecting Surface: A New Architecture for Wireless Communications
Chengzhi Ma, Xi Yang, Jintao Wang +3
Distributed Antenna Systems (DASs) employ multiple antenna arrays in remote radio units to achieve highly directional transmission and provide great coverage performance for future…
Pay Less But Get More: A Dual-Attention-based Channel Estimation Network for Massive MIMO Systems with Low-Density Pilots
Binggui Zhou, Xi Yang, Shaodan Ma +2
To reap the promising benefits of massive multiple-input multiple-output (MIMO) systems, accurate channel state information (CSI) is required through channel estimation. However, d…
Outage Performance Analysis of Type-I HARQ Aided V2V Communications
Huan Zhang, Zhengtao Liao, Zheng Shi +3
Vehicle-to-vehicle (V2V) communications under dense urban environments usually experience severe keyhole fading effect, especially for multi-input multi-output (MIMO) channels, whi…
Performance Analysis of MIMO-NOMA Systems with Randomly Deployed Users
Zheng Shi, Guanghua Yang, Yaru Fu +2
This paper investigates the performance of Multiple-input multiple-output non-orthogonal multiple access (MIMO-NOMA) systems with randomly deployed users, where the randomly deploy…
Outage Probability Analysis of HARQ-Aided Terahertz Communications
Ziyang Song, Zheng Shi, Qingping Dou +3
Although terahertz (THz) communications can provide mobile broadband services, it usually has a large path loss and is vulnerable to antenna misalignment. This significantly degrad…
Energy-Efficient Optimization for HARQ Schemes over Time-Correlated Fading Channels
Zheng Shi, Shaodan Ma, Guanghua Yang +1
Energy efficiency of three common hybrid automatic repeat request (HARQ) schemes including Type I HARQ, HARQ with chase combining (HARQ-CC) and HARQ with incremental redundancy (HA…
Outage Performance Analysis of Full-Correlated Rayleigh MIMO Channels
Huan Zhang, Guanghua Yang, Zheng Shi +2
The outage performance of multiple-input multiple-output (MIMO) technique has received intensive attention to meet the stringent requirement of reliable communications for 5G appli…