Explanipedia

Robust Energy-Efficient Sleep-Mode Strategy for Multi-RIS-Aided Cell-Free Massive MIMO Open

H. Luo, Wenyu Song, Daniel K. C. So, Zahra Mobini, Zhiguo Ding · 2025

With the explosive growth of data traffic and the ubiquitous connectivity of wireless devices, the energy demands of wireless networks have inevitably escalated. Reconfigurable intelligent surface (RIS) has emerged as a promising solution …

Generalized Pinching-Antenna Systems: A Leaky-Coaxial-Cable Perspective Open

Kai Wang, Zhiguo Ding, Lajos Hanzo · 2025

The evolution toward the sixth-generation (6G) wireless networks has flexible reconfigurable antenna architectures capable of adapting their radiation characteristics to the surrounding environment. At the center-stage, while waveguide bas…

NOMA Assisted Downlink Power Allocation in Pinching Antenna Systems Using Convolutional Neural Network Open

Saeed Mohammadzadeh, Kanapathippillai Cumanan, Zhiguo Ding · 2025

In this paper, we consider a flexible-antenna architecture, referred to as a pinching-antenna (PA) system, in which multiple PAs realized by activating small dielectric particles along a dielectric waveguide are jointly employed to serve a…

Roles of circular RNAs targeted to synapses: Narrative review of potential mechanisms and biomarkers Open

Xin’ai Li, Zhe Li, Pan Ping, Jin Zhang, Zhiguo Ding , et al. · 2025

How does social trust influence household financial decisions: An explanation based on the "Mystery of Limited Participation" Open

Zhiguo Ding · 2025

China's financial market has long been characterized by a stark contrast between high savings and low participation in financial assets, a phenomenon widely recognized as the "limited participation puzzle." This imbalance—where households …

Dynamic and Static Energy Efficient Design of Pinching Antenna Systems Open

Saba Asaad, Chongjun Ouyang, Ali Bereyhi, Zhiguo Ding · 2025

We study the energy efficiency of pinching-antenna systems (PASSs) by developing a consistent formulation for power distribution in these systems. The per-antenna power distribution in PASSs is not controlled explicitly by a power allocati…

GNN-Enabled Robust Hybrid Beamforming with Score-Based CSI Generation and Denoising Open

Yuhang Li, Bo Ai, Zhiguo Ding, Dusit Niyato, Arumugam Nallanathan · 2025

Accurate Channel State Information (CSI) is critical for Hybrid Beamforming (HBF) tasks. However, obtaining high-resolution CSI remains challenging in practical wireless communication systems. To address this issue, we propose to utilize G…

Environment Division Multiple Access (EDMA): A Feasibility Study via Pinching Antennas Open

Zhiguo Ding, Robert Schober, H. V. Poor · 2025

This paper exploits the dynamic features of wireless propagation environments as the basis for a new multiple access technique, termed environment division multiple access (EDMA). In particular, with the proposed pinching-antenna-assisted …

Pinching Antennas Meet AI in Next-Generation Wireless Networks Open

Zhiguo Ding, Victor C. M. Leung, Hanzo Lajos · 2025

Next-generation (NG) wireless networks must embrace innate intelligence in support of demanding emerging applications, such as extended reality and autonomous systems, under ultra-reliable and low-latency requirements. Pinching antennas (P…

Wireless-Fed Pinching-Antenna Systems (Wi-PASS) for NextG Wireless Networks Open

Kasun R. Wijewardhana, Animesh Yadav, Ming Zeng, Mohamed Elsayed, Octavia A. Dobre , et al. · 2025

Waveguide-based pinching-antenna systems (PASS) have recently emerged as a promising solution to mitigate severe propagation losses in millimeter-wave and terahertz bands by intelligently and flexibly establishing line-of-sight links. Howe…

A Stochastic Geometric Analysis on Multi-cell Pinching-antenna Systems under Blockage Effect Open

Yanshi Sun, Zhiguo Ding, George K. Karagiannidis · 2025

Recently, the study on pinching-antenna technique has attracted significant attention. However, most relevant literature focuses on a single-cell scenario, where the effect from the interfering pinching-antennas on waveguides connected to …

BERT4beam: Large AI Model Enabled Generalized Beamforming Optimization Open

Yuhang Li, Yang Lu, Wei Chen, Bo Ai, Zhiguo Ding , et al. · 2025

Artificial intelligence (AI) is anticipated to emerge as a pivotal enabler for the forthcoming sixth-generation (6G) wireless communication systems. However, current research efforts regarding large AI models for wireless communications pr…

Analog Over-the-Air Federated Learning with Interference-Based Energy Harvesting Open

Ahmad Massud Tota Khel, Aïssa Ikhlef, Zhiguo Ding, Hongjian Sun · 2025

We consider analog over-the-air federated learning, where devices harvest energy from in-band and out-band radio frequency signals, with the former also causing co-channel interference (CCI). To mitigate the aggregation error, we propose a…

Uplink and Downlink Communications in Segmented Waveguide-Enabled Pinching-Antenna Systems (SWANs) Open

Chongjun Ouyang, Hao Jiang, Zhaolin Wang, Yuanwei Liu, Zhiguo Ding · 2025

A segmented waveguide-enabled pinching-antenna system (SWAN) is proposed, in which a segmented waveguide composed of multiple short dielectric waveguide segments is employed to radiate or receive signals through the pinching antennas (PAs)…

Pinching Antenna System (PASS) Enhanced Covert Communications: Against Warden via Sensing Open

Hao Jiang, Zhaolin Wang, Yuanwei Liu, Arumugam Nallanathan, Zhiguo Ding · 2025

A sensing-aided covert communication network empowered by pinching antenna systems (PASS) is proposed in this work. Unlike conventional fixed-position MIMO arrays, PASS dynamically reconfigures its pinching antennas (PAs) closer to the leg…

A Community Detection Method based on Formal Concept Lattice Open

Tiantian Wang, Zhen Qi, Zhiguo Ding · 2025

Community detection aims to uncover groups of vertices in a network that are more closely connected to each other than to the rest of the graph. While many existing algorithms rely purely on structural information, additional insights can …

Pinching-Antenna Systems (PASS): A Tutorial Open

Yuanwei Liu, Hao Jiang, Xiaoxia Xu, Zhaolin Wang, Chongjun Ouyang , et al. · 2025

Pinching antenna systems (PASS) present a breakthrough among the flexible-antenna technologies, and distinguish themselves by facilitating large-scale antenna reconfiguration, line-of-sight creation, scalable implementation, and near-field…

Analytical Optimization for Antenna Placement in Pinching-Antenna Systems Open

Zhiguo Ding, H. Vincent Poor · 2025

As the main issue in pinching-antenna system design, antenna location optimization is key to realizing channel reconfigurability and system flexibility. Most existing works in this area adopt sophisticated optimization and learning tools t…

Robust Resource Allocation for Pinching-Antenna Systems under Imperfect CSI Open

Ming Zeng, Xianbin Wang, Yuanwei Liu, Zhiguo Ding, George K. Karagiannidis , et al. · 2025

Pinching-antenna technology has lately showcased its promising capability for reconfiguring wireless propagation environments, especially in high-frequency communication systems like millimeter-wave and terahertz bands. By dynamically plac…

Unveiling low productivity premium: A tale from emerging market Open

Zhiguo Ding, Ji Qi, Yun Tang, Xuankai Zhao · 2025

This study investigates how firm-level productivity, measured by total factor productivity (TFP), is priced in cross-sectional stock returns in China, which is the largest emerging market as well as the global manufacturing hub. We documen…

Pinching-Antenna Systems with LoS Blockages Open

Kaidi Wang, Chongjun Ouyang, Yuanwei Liu, Zhiguo Ding · 2025

The aim of this letter is to explore the capability of pinching-antenna systems to construct line-of-sight (LoS) links in the presence of LoS blockages. Specifically, pinching antennas are pre-installed at preconfigured positions along wav…

Pinching-Antenna Systems for Physical Layer Security Open

Kaidi Wang, Zhiguo Ding, Naofal Al-Dhahir · 2025

This letter investigates the potential of pinching-antenna systems for enhancing physical layer security. By pre-installing multiple pinching antennas at discrete positions along a waveguide, the capability of the considered system to perf…

Deep Learning Optimization of Two-State Pinching Antennas Systems Open

Odysseas G. Karagiannidis, Victoria E. Galanopoulou, Panagiotis D. Diamantoulakis, Zhiguo Ding, Octavia A. Dobre · 2025

The evolution of wireless communication systems requires flexible, energy-efficient, and cost-effective antenna technologies. Pinching antennas (PAs), which can dynamically control electromagnetic wave propagation through binary activation…

Pinching-Antenna-Assisted Index Modulation: Channel Modeling, Transceiver Design, and Performance Analysis Open

Shuaixin Yang, Yijia Li, Yue Xiao, Yong Guan, Xianfu Lei , et al. · 2025

In this paper, a novel pinching-antenna assisted index modulation (PA-IM) scheme is proposed for improving the spectral efficiency without increasing the hardware complexity, where the information bits are conveyed not only by the conventi…

Pinching-Antenna Systems with In-Waveguide Attenuation: Performance Analysis and Algorithm Design Open

Zhiguo Ding, Tsung‐Hui Chang · 2025

Pinching-antenna systems have emerged as a promising flexible-antenna architecture for next-generation wireless networks, enabling enhanced adaptability and user-centric connectivity through antenna repositioning along waveguides. However,…

Capacity Characterization of Pinching-Antenna Systems Open

Chongjun Ouyang, Zhaolin Wang, Yuanwei Liu, Zhiguo Ding · 2025

Unlike conventional systems using a fixed-location antenna, the channel capacity of the pinching-antenna system (PASS) is determined by the activated positions of pinching antennas. This article characterizes the capacity region of multius…

A Gradient Meta-Learning Joint Optimization for Beamforming and Antenna Position in Pinching-Antenna Systems Open

Kang Zhou, Weixi Zhou, Donghong Cai, Xianfu Lei, Yanqing Xu , et al. · 2025

In this paper, we consider a novel optimization design for multi-waveguide pinching-antenna systems, aiming to maximize the weighted sum rate (WSR) by jointly optimizing beamforming coefficients and antenna position. To handle the formulat…

Zero-Energy RIS-Assisted Communications With Noise Modulation and Interference-Based Energy Harvesting Open

Ahmad Massud Tota Khel, Aïssa Ikhlef, Zhiguo Ding, Hongjian Sun · 2025

To advance towards carbon-neutrality and improve the limited {performance} of conventional passive wireless communications, in this paper, we investigate the integration of noise modulation with zero-energy reconfigurable intelligent surfa…

Developing the core knowledge system of dental hygienists training in China: a modified Delphi study Open

Xiaochen Jiang, Jin Lian, Zhiguo Ding, Weifeng Wang, Wenjuan Cao , et al. · 2025

Rate Region of ISAC for Pinching-Antenna Systems Open

Chongjun Ouyang, Zhaolin Wang, Yuanwei Liu, Zhiguo Ding · 2025

The Pinching-Antenna SyStem (PASS) reconstructs wireless channels through \emph{pinching beamforming}, wherein the activated positions of pinching antennas along dielectric waveguides are optimized to shape the radiation pattern. The aim o…

Zhiguo Ding YOU? Author Swipe