220 citations · 522 across the 15 of their papers we have counts for
15 papers
Exploring Age-of-Information Weighting in Federated Learning under Data Heterogeneity
Kaidi Wang, Zhiguo Ding, Daniel K. C. So +1
This paper investigates federated learning in a wireless communication system, where random device selection is employed with non-independent and identically distributed (non-IID)…
Secrecy Outage Probability Analysis for Downlink RIS-NOMA Networks with On-Off Control
Yingjie Pei, Xinwei Yue, Wenqiang Yi +3
Reconfigurable intelligent surface (RIS) has been regarded as a promising technology since it has ability to create the favorable channel conditions. This paper investigates the se…
User-Pair Selection for QoS-Aware Secrecy Rate Maximization in Untrusted NOMA
Sapna Thapar, Deepak Mishra, Ravikant Saini +1
Non-orthogonal multiple access (NOMA) has been recognized as one of the key enabling technologies for future generation wireless networks. Sharing the same time-frequency resource…
A Fine Grained Stochastic Geometry Based Analysis on LEO Satellite Communication Systems
Yanshi Sun, Zhiguo Ding
Recently, stochastic geometry has been applied to provide tractable performance analysis for low earth orbit (LEO) satellite networks. However, existing works mainly focus on analy…
Active RIS-aided EH-NOMA Networks: A Deep Reinforcement Learning Approach
Zhaoyuan Shi, Huabing Lu, Xianzhong Xie +4
An active reconfigurable intelligent surface (RIS)-aided multi-user downlink communication system is investigated, where non-orthogonal multiple access (NOMA) is employed to improv…
Performance Analysis of Reconfigurable Intelligent Surface Assisted Two-Way NOMA Networks
Ziwei Liu, Xinwei Yue, Chao Zhang +4
This paper investigates the performance of reconfigurable intelligent surface assisted two-way non-orthogonal multiple access (RIS-TW-NOMA) networks, where a pair of users exchange…
Joint Robust Beamforming Design for WPT-assisted D2D Communications in MISO-NOMA: Fractional Programming and Deep Reinforcement Learning
Shiyu Jiao, Fang Fang, Zhiguo Ding
This paper proposes a scheme for the envisioned sixth-generation (6G) ultra-massive Machine Type Communications(umMTC). In particular, wireless power transfer (WPT) assisted commun…
Potentials and Limits of Using Preconfigured Spatial Beams as Bandwidth Resources: Beam Selection vs Beam Aggregation
Zhiguo Ding
This letter studies how to use spatial beams pre-configured in a legacy spatial division multiple access (SDMA) network as bandwidth resources via the implementation of non-orthogo…
Aerial Computing: A New Computing Paradigm, Applications, and Challenges
Quoc-Viet Pham, Rukhsana Ruby, Fang Fang +5
In existing computing systems, such as edge computing and cloud computing, several emerging applications and practical scenarios are mostly unavailable or only partially implemente…
Joint Design for Simultaneously Transmitting And Reflecting (STAR) RIS Assisted NOMA Systems
Jiakuo Zuo, Yuanwei Liu, Zhiguo Ding +2
Different from traditional reflection-only reconfigurable intelligent surfaces (RISs), simultaneously transmitting and reflecting RISs (STAR-RISs) represent a novel technology, whi…
NOMA-Based Hybrid Satellite-UAV-Terrestrial Networks for Beyond 5G Maritime Internet of Things
Xinran Fang, Wei Feng, Yanmin Wang +3
Current fifth-generation (5G) networks do not cover maritime areas, causing difficulties in developing maritime Internet of Things (IoT). To tackle this problem, we establish a nea…
Joint Transmit Precoding and Reflect Beamforming Design for IRS-Assisted MIMO Cognitive Radio Systems
Weiheng Jiang, Yu Zhang, Jun Zhao +2
Cognitive radio (CR) is an effective solution to improve the spectral efficiency (SE) of wireless communications by allowing the secondary users (SUs) to share spectrum with primar…
Power Minimization for Multi-cell Uplink NOMA with Imperfect SIC
M. Zeng, W. Hao, O. A. Dobre +2
In this paper, we investigate a multi-cell uplink non-orthogonal multiple access (NOMA) system with imperfect successive interference cancellation (SIC). The objective of the formu…
Non-Orthogonal Multiple Access for UAV-Aided Heterogeneous Networks: A Stochastic Geometry Model
Cunzhuo Zhao, Yuanwei Liu, Yunlong Cai +2
In this work, we explore the potential benefits of deploying unmanned aerial vehicles (UAVs) as aerial base stations (ABSs) with sub-6GHz band and small cells terrestrial base stat…
On the Distribution of GSVD
Zhuo Chen, Zhiguo Ding
In this paper, some new results on the distribution of the generalized singular value decomposition (GSVD) are presented.