225 citations · 308 across the 44 of their papers we have counts for
38 papers · 1 filter
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…
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…
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…
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…
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…
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…
On the Performance of Variable-Rate HARQ-IR over Beckmann Fading Channels
Zheng Shi, Huan Zhang, Shenke Zhong +3
This paper thoroughly investigates the performance of variable-rate hybrid automatic repeat request with incremental redundancy (HARQ-IR) over Beckmann fading channels, where Beckm…
A General Analytical Approach for Outage Analysis of HARQ-IR over Correlated Fading Channels
Zheng Shi, Shaodan Ma, Guanghua Yang +2
This paper proposes a general analytical approach to derive the outage probability of hybrid automatic repeat request with incremental redundancy (HARQ-IR) over correlated fading c…
Outage Performance of Cross-Packet HARQ
Jiahui Feng, Zheng Shi, Guanghua Yang +3
As opposed to hybrid automatic repeat request with incremental redundancy (HARQ-IR) that all the resources are occupied to resend the redundant information, cross-packet HARQ (XP-H…
Performance Analysis of MIMO-HARQ Assisted V2V Communications With Keyhole Effect
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, whic…
Outage Performance Analysis of HARQ-Aided Multi-RIS Systems
Qi Cao, Huan Zhang, Zheng Shi +4
Reconfigurable intelligent surface (RIS) has recently attracted a spurt of interest due to its innate advantages over Massive MIMO on power consumption. In this paper, we study the…
Outage Performance and Optimal Design of MIMO-NOMA Enhanced Small Cell Networks With Imperfect Channel-State Information
Zheng Shi, Hong Wang, Yaru Fu +3
This paper focuses on boosting the performance of small cell networks (SCNs) by integrating multiple-input multiple-output (MIMO) and non-orthogonal multiple access (NOMA) in consi…