Explanipedia

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 …

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 …

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

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…

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…

Antenna Activation and Resource Allocation in Multi-Waveguide Pinching-Antenna Systems Open

Kaidi Wang, Zhiguo Ding, George K. Karagiannidis · 2025

Pinching antennas, as a novel flexible-antenna technology capable of establishing line of sight (LoS) connections and effectively mitigating large-scale path loss, have recently attracted considerable research interests. However, the imple…

Improved ALOHA-based URA with Index Modulation: Efficient Decoding and Analysis Open

Linjie Yang, Pingzhi Fan, Zhiguo Ding, Jingqiu Gao · 2025

In this paper, an improved ALOHA-based unsourced random access (URA) scheme is proposed in MIMO channels. The channel coherent interval is divided into multiple sub-slots and each active user selects several sub-slots to send its codeword,…

Channel Estimation for mmWave Pinching-Antenna Systems Open

Gui Zhou, Vasilis K. Papanikolaou, Zhiguo Ding, Robert Schober · 2025

The full potential of pinching-antenna systems (PAS) can be unblocked if pinching antennas can be accurately activated at positions tailored for the serving users', which means that acquiring accurate channel state information (CSI) at arb…

Intelligent Test Case Generation Method for Fuzzing IoT Protocols Based on LLM Open

Ming Zhong, Zisheng Zeng, Yike Guo, Dandan Zhao, Bo Zhang , et al. · 2025

The Internet of Things (IoT) protocols are a core element of IoT systems, providing the fundamental support for communication and data exchange between devices. These protocols enable various devices to connect and work together. However, …

Evading control flow graph based GNN malware detectors via active opcode insertion method with maliciousness preserving Open

Hao Peng, Zehao Yu, Dandan Zhao, Zhiguo Ding, Jieshuai Yang , et al. · 2025

With the continuous advancement of machine learning, numerous malware detection methods that leverage this technology have emerged, presenting new challenges to the generation of adversarial malware. Existing function-preserving adversaria…

MIMO-PASS: Uplink and Downlink Transmission via MIMO Pinching-Antenna Systems Open

Ali Bereyhi, Chongjun Ouyang, Saba Asaad, Zhiguo Ding, H. Vincent Poor · 2025

Pinching-antenna systems (PASSs) are a recent flexible-antenna technology that is realized by attaching simple components, referred to as pinching elements, to dielectric waveguides. This work explores the potential of deploying PASS for u…

A Low-Complexity Placement Design of Pinching-Antenna Systems Open

Xiongyao Xie, Fang Fang, Zhiguo Ding, Xianbin Wang · 2025

Pinching-antenna systems have recently been proposed as a new candidate for flexible-antenna systems, not only inheriting the reconfiguration capability but also offering a unique feature: establishing line-of-sight links to mitigate large…

Rate Maximization for Downlink Pinching-Antenna Systems Open

Yanqing Xu, Zhiguo Ding, George K. Karagiannidis · 2025

In this letter, we consider a new type of flexible-antenna system, termed pinching-antenna, where multiple low-cost pinching antennas, realized by activating small dielectric particles on a dielectric waveguide, are jointly used to serve a…

On the Reliability and Security of Ambient Backscatter Uplink NOMA Networks Open

Athanasios P. Chrysologou, Alexandros‐Apostolos A. Boulogeorgos, Nestor D. Chatzidiamantis, Zhiguo Ding, Nestor D. Chatzidiamantis , et al. · 2025

Modeling and Beamforming Optimization for Pinching-Antenna Systems Open

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

The Pinching-Antenna SyStem (PASS) is a revolutionary flexible antenna technology designed to enhance wireless communication by establishing strong line-of-sight (LoS) links, reducing free-space path loss and enabling antenna array reconfi…

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