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Related papers: On the Maintainability of Pinching-Antenna Systems…

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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…

Signal Processing · Electrical Eng. & Systems 2025-05-07 Kaidi Wang , Zhiguo Ding , George K. Karagiannidis

A multiple-waveguide pinching-antenna (PA)-based multi-user communication system is investigated. With a given number of PAs, two deployment strategies are considered, namely the centralized PA deployment, where all PAs are switched between…

Signal Processing · Electrical Eng. & Systems 2026-02-27 Mengyu Qian , Xidong Mu , Li You , Michail Matthaiou

In this paper, we studies the performance of a novel simultaneous wireless information and power transfer (SWIPT) system enabled by a flexible pinching-antenna. To support flexible deployment and optimize energy-rate performance, we propose…

Systems and Control · Electrical Eng. & Systems 2025-09-05 Bingxin Zhang , Han Zhang , Kun Yang , Yizhe Zhao , Kezhi Wang

This paper investigates the performance of a pinching-antenna (PA) system with a signal waveguide and multiple pinching antennas to serve users distributed across multiple rooms. The performance of the system is evaluated through a…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Yanyu Cheng , Hao Li , Zhen Wang , Zhiguo Ding

The practical channel estimation for pinching-antenna networks is investigated, in which an electromagnetic-compliant in-waveguide transmission model is exhibited, incorporating bidirectional power splitting, cumulative power leakage, and…

Information Theory · Computer Science 2025-12-23 Jian Xiao

Pinching antenna (PA) systems have recently gained significant attention. While their physical-layer security (PLS) is being explored, most studies rely on idealized lossless models, ignoring practical waveguide attenuation. In this paper,…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Xiaochen Zhang , Haitao Du , Yanyu Cheng , Yushen Lin , Kah Chan Teh

A novel architecture of the center-fed pinching antenna system (C-PASS) is proposed. In contrast to the conventional end-fed PASS, signals are fed from the center input ports and propagate towards both sides of the waveguide. By doing so,…

Information Theory · Computer Science 2025-12-16 Xu Gan , Yuanwei Liu

Flexible and intelligent antenna designs, such as pinching antenna systems and reconfigurable intelligent surfaces (RIS), have gained extensive research attention due to their potential to enhance the wireless channels. This letter, for the…

Signal Processing · Electrical Eng. & Systems 2025-06-06 Mostafa Samy , Hayder Al-Hraishawi , Madyan Alsenwi , Abuzar B. M. Adam , Symeon Chatzinotas , Björn Otteresten

In this letter, a pinching antennas (PAs) assisted rate splitting multiple access (RSMA) system with multiple waveguides is investigated to maximize sum rate. A two-step algorithm is proposed to determine PA activation scheme and optimize…

Signal Processing · Electrical Eng. & Systems 2025-06-13 Peiyu Wang , Hong Wang , Rongfang Song

This paper proposes a novel localization framework underpinned by a pinching-antenna (PA) system, in which the target location is estimated using received signal strength (RSS) measurements obtained from downlink signals transmitted by the…

Signal Processing · Electrical Eng. & Systems 2025-11-20 Jiajun He , Xidong Mu , Hien Quoc Ngo , Michail Matthaiou

Pinching antenna systems have attracted much attention recently owing to its capability to maintain reliable line-of-sight (LoS) communication in high-frequency bands. By guiding signals through a waveguide and emitting them via a movable…

Information Theory · Computer Science 2026-01-28 Hao Feng , Ming Zeng , Xingwang Li , Wenwu Xie , Nian Xia , Octavia A. Dobre

This letter proposes a novel pinching antenna systems (PASS) enabled non-orthogonal multiple access (NOMA) multi-access edge computing (MEC) framework. An optimization problem is formulated to minimize the maximum task delay by optimizing…

Signal Processing · Electrical Eng. & Systems 2026-01-16 Yuan Ai , Xidong Mu , Pengbo Si , Yuanwei Liu

Wireless communications in intelligent rail transit face harsh propagation conditions, including severe penetration loss, frequent blockages, and amplified large-scale fading. Existing leaky coaxial cables (LCX) provide wired-to-wireless…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Yiran Guo , Wei Chen , Cong Yu , Bo Ai , Yuanwei Liu , Michail Matthaiou

In this paper, we investigate the resource allocation for multi-dielectric waveguide-assisted broadcast systems, where each waveguide employs multiple pinching antennas (PAs), aiming to maximize the minimum achievable rate among multiple…

Information Theory · Computer Science 2025-11-14 Ruotong Zhao , Shaokang Hu , Deepak Mishra , Derrick Wing Kwan Ng

Pinching antennas enable dynamic control of electromagnetic wave propagation through reconfigurable radiating structures, but selecting an optimal subset of antennas remains a combinatorial problem with exponential complexity. This letter…

A novel fully-connected (FC) tri-hybrid beamforming (THB) architecture is proposed for pinching antenna systems (PASS). In contrast to conventional sub-connected (SC) PASS, the proposed FC architecture employs a tunable phase-shifter…

Signal Processing · Electrical Eng. & Systems 2025-11-19 Cheng-Jie Zhao , Zhaolin Wang , Hyundong Shin , Yuanwei Liu

Pinching antennas, implemented by applying small dielectric particles on a waveguide, have emerged as a promising flexible-antenna technology ideal for next-generation wireless communications systems. Unlike conventional flexible-antenna…

Signal Processing · Electrical Eng. & Systems 2025-08-25 Yanqing Xu , Zhiguo Ding , Donghong Cai , Vincent W. S. Wong

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…

Networking and Internet Architecture · Computer Science 2025-11-12 Fang Fang , Zhiguo Ding , Victor C. M. Leung , Lajos Hanzo

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…

Information Theory · Computer Science 2025-10-09 Yanshi Sun , Zhiguo Ding , George K. Karagiannidis

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…

Information Theory · Computer Science 2025-02-19 Yanqing Xu , Zhiguo Ding , George K. Karagiannidis