272 citations · 485 across the 34 of their papers we have counts for
35 papers
IRS-Enabled Covert and Reliable Communications: How Many Reflection Elements are Required?
Manlin Wang, Bin Xia, Yao Yao +2
Short-packet communications are applied to various scenarios where transmission covertness and reliability are crucial due to the open wireless medium and finite blocklength. Altho…
Covert and Reliable Short-Packet Communications against A Proactive Warder
Manlin Wang, Yao Yao, Bin Xia +2
Wireless short-packet communications pose challenges to the security and reliability of the transmission. Besides, the proactive warder compounds these challenges, who detects and…
Fusion-Based Multi-User Semantic Communications for Wireless Image Transmission over Degraded Broadcast Channels
Tong Wu, Zhiyong Chen, Meixia Tao +2
Degraded broadcast channels (DBC) are a typical multi-user communications scenario. There exist classic transmission methods, such as superposition coding with successive interfere…
Age of Information-based Scheduling for Wireless D2D Systems with a Deep Learning Approach
Ling Luo, Zhenyu Liu, Zhiyong Chen +3
Device-to-device (D2D) links scheduling for avoiding excessive interference is critical to the success of wireless D2D communications. Most of the traditional scheduling schemes on…
Autoencoder-based Semantic Communication Systems with Relay Channels
Xinlai Luo, Zhiyong Chen, Bin Xia +1
In this letter, we propose a semantic communication scheme for wireless relay channels based on Autoencoder, named AESC, which encodes and decodes sentences from the semantic dimen…
Mobile Communications, Computing and Caching Resources Optimization for Coded Caching with Device Computing
Yingjiao Li, Zhiyong Chen, Meixia Tao
Edge caching and computing have been regarded as an efficient approach to tackle the wireless spectrum crunch problem. In this paper, we design a general coded caching with device…
Communications-Caching-Computing Tradeoff Analysis for Bidirectional Data Computation in Mobile Edge Networks
Yaping Sun, Lyutianyang Zhang, Zhiyong Chen +1
With the advent of the modern mobile traffic, e.g., online gaming, augmented reality delivery and etc., a novel bidirectional computation task model where the input data of each ta…
Exploiting Computation Replication for Mobile Edge Computing: A Fundamental Computation-Communication Tradeoff Study
Kuikui Li, Meixia Tao, Zhiyong Chen
Existing works on task offloading in mobile edge computing (MEC) networks often assume a task is executed once at a single edge node (EN). Downloading the computed result from the…
Delay Outage Probability of Multi-relay Selection for Mobile Relay Edge Computing Systems
Jie Liang, Zhiyong Chen, Cheng Li +2
In this paper, we deal with the problem of relay selection in mobile edge computing networks, where a source node transmits a computation-intensive task to a destination via the ai…
Bandwidth Gain from Mobile Edge Computing and Caching in Wireless Multicast Systems
Yaping Sun, Zhiyong Chen, Meixia Tao +1
In this paper, we present a novel mobile edge computing (MEC) model where the MEC server has the input and output data of all computation tasks and communicates with multiple cachi…
Modeling and Trade-off for Mobile Communication, Computing and Caching Networks
Yaping Sun, Zhiyong Chen, Meixia Tao +1
Computation task service delivery in a computing-enabled and caching-aided multi-user mobile edge computing (MEC) system is studied in this paper, where a MEC server can deliver th…
Communications, Caching and Computing for Mobile Virtual Reality: Modeling and Tradeoff
Yaping Sun, Zhiyong Chen, Meixia Tao +1
Virtual reality (VR) over wireless is emerging as an important use case of 5G networks. Immersive VR experience requires the delivery of huge data at ultra-low latency, thus demand…
Communication, Computing and Caching for Mobile VR Delivery: Modeling and Trade-off
Yaping Sun, Zhiyong Chen, Meixia Tao +1
Mobile virtual reality (VR) delivery is gaining increasing attention from both industry and academia due to its ability to provide an immersive experience. However, achieving mobil…
Impact of Channel State Misreporting on Multi-user Massive MIMO Scheduling Performance
Zhanzhan Zhang, Yin Sun, Ashutosh Sabharwal +1
The robustness of system throughput with scheduling is a critical issue. In this paper, we analyze the sensitivity of multi-user scheduling performance to channel misreporting in s…
A New Hybrid Half-Duplex/Full-Duplex Relaying System with Antenna Diversity
Cheng Li, Bin Xia, Zhiyong Chen
The hybrid half-duplex/full-duplex (HD/FD) relaying scheme is an effective paradigm to overcome the negative effects of the self-interference incurred by the full-duplex (FD) mode.…
Artificial Interference Aided Physical Layer Security in Cache-enabled Heterogeneous Networks
Wu Zhao, Zhiyong Chen, Kuikui Li +1
Caching popular contents is a promising way to offload the mobile data traffic in wireless networks, but so far the potential advantage of caching in improving physical layer secur…
Design and Optimization of VoD schemes with Client Caching in Wireless Multicast Networks
Hao Feng, Zhiyong Chen, Hui Liu
Due to the explosive growth in multimedia traffic, the scalability of video-on-demand (VoD) services becomes increasingly important. By exploiting the potential cache ability at th…
Optimal Task Scheduling in Communication-Constrained Mobile Edge Computing Systems for Wireless Virtual Reality
Xiao Yang, Zhiyong Chen, Kuikui Li +2
Mobile edge computing (MEC) is expected to be an effective solution to deliver 360-degree virtual reality (VR) videos over wireless networks. In contrast to previous computation-co…
Signal Shaping for Two-User Gaussian Multiple Access Channels with Computation: Beyond the Cut-Set Bound
Zhiyong Chen, Hui Liu
In this paper, we investigate the signal shaping in a two-user discrete time memoryless Gaussian multiple-access channel (MAC) with computation. It is shown that by optimizing inpu…
Performance Analysis for Training-Based Multi-Pair Two-Way Full-Duplex Relaying with Massive Antennas
Zhanzhan Zhang, Zhiyong Chen, Manyuan Shen +3
This paper considers a multi-pair two-way amplify-and-forward relaying system, where multiple pairs of full-duplex users are served via a full-duplex relay with massive antennas, a…
Cache-enabled Uplink Transmission in Wireless Small Cell Networks
Zhanzhan Zhang, Zhiyong Chen, Hao Feng +3
It is starting to become a big trend in the era of social networking that people produce and upload user-generated contents to Internet via wireless networks, bringing a significan…
A Mathematical Proof of the Superiority of NOMA Compared to Conventional OMA
Zhiyong Chen, Zhiguo Ding, Xuchu Dai +1
While existing works about non-orthogonal multiple access (NOMA) have indicated that NOMA can yield a significant performance gain over orthogonal multiple access (OMA) with fixed…
Optimization and Analysis of Probabilistic Caching in -tier Heterogeneous Networks
Kuikui Li, Chenchen Yang, Zhiyong Chen +1
In this paper, we study the probabilistic caching for an -tier wireless heterogeneous network (HetNet) using stochastic geometry. A general and tractable expression of the succe…
Opportunistic Channel Sharing in Stochastic Networks with Dynamic Traffic
Bin Xia, Yingbin Liu, Chenchen Yang +3
In this paper, we consider the stochastic network with dynamic traffic. The spatial distribution of access points (APs) and users are first modeled as mutually independent Poisson…