7 citations · 9 across the 14 of their papers we have counts for
9 papers · 1 filter
Secure Semantic Communications: From Perspective of Physical Layer Security
Yongkang Li, Zheng Shi, Han Hu +3
Semantic communications have been envisioned as a potential technique that goes beyond Shannon paradigm. Unlike modern communications that provide bit-level security, the eaves-dro…
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…
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 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 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…
Achievable Diversity Order of HARQ-Aided Downlink NOMA Systems
Zheng Shi, Chenmeng Zhang, Yaru Fu +3
The combination between non-orthogonal multiple access (NOMA) and hybrid automatic repeat request (HARQ) is capable of realizing ultra-reliability, high throughput and many concurr…
Zero-Forcing Based Downlink Virtual MIMO-NOMA Communications in IoT Networks
Zheng Shi, Hong Wang, Yaru Fu +4
To support massive connectivity and boost spectral efficiency for internet of things (IoT), a downlink scheme combining virtual multiple-input multiple-output (MIMO) and nonorthogo…
Enhancing Physical Layer Security of Random Caching in Large-Scale Multi-Antenna Heterogeneous Wireless Networks
Wanli Wen, Chenxi Liu, Yaru Fu +3
In this paper, we propose a novel secure random caching scheme for large-scale multi-antenna heterogeneous wireless networks, where the base stations (BSs) deliver randomly cached…