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Related papers: Pinching Antennas in Blockage-Aware Environments: …

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This letter is to investigate the impact of line-of-sight (LoS) blockage on pinching-antenna systems. Analytical results are developed for both single-user and multi-user cases to reveal that the presence of LoS blockage is beneficial for…

Information Theory · Computer Science 2025-03-12 Zhiguo Ding , H. Vincent Poor

This paper investigates the secrecy performance of pinching-antenna systems (PAS) under practical pinching-position activation uncertainty. By dynamically selecting the radiation point along a dielectric waveguide, PAS enables low-cost…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Saeid Pakravan , Imene Trigui , Wessam Ajib , Wei-Ping Zhu

A novel pinching-antenna systems (PASS)-enabled secure wireless communication framework is proposed. By dynamically adjusting the positions of dielectric particles, namely pinching antennas (PAs), along the waveguides, PASS introduces a…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Guangyu Zhu , Xidong Mu , Li Guo , Shibiao Xu , Yuanwei Liu , Naofal Al-Dhahir

Pinching antennas (PAs), a new type of reconfigurable and flexible antenna structures, have recently attracted significant research interest due to their ability to create line-of-sight links and mitigate large-scale path loss. Owing to…

Signal Processing · Electrical Eng. & Systems 2025-09-26 Peng Liu , Zesong Fei , Meng Hua , Guangji Chen , Xinyi Wang , Ruiqi Liu

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…

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

The fundamental sensing limit of pinching-antenna systems (PASS) is studied from a Bayesian Cram\'er-Rao bound (BCRB) perspective. Compared to conventional CRB, BCRB is independent of the exact values of sensing parameters and is not…

Signal Processing · Electrical Eng. & Systems 2025-10-13 Hao Jiang , Chongjun Ouyang , Zhaolin Wang , Yuanwei Liu , Arumugam Nallanathan , Zhiguo Ding

The Pinching-Antenna System (PASS) reconfigures wireless channels through \emph{pinching beamforming}, in which the active positions of pinching antennas (PAs) along dielectric waveguides are optimized to shape the radiation pattern. This…

Signal Processing · Electrical Eng. & Systems 2026-02-04 Zhenqiao Cheng , Chongjun Ouyang , Nicola Marchetti

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 to…

Information Theory · Computer Science 2025-07-18 Zhiguo Ding , H. Vincent Poor

Pinching antenna (PA) is a flexible antenna composed of a waveguide and multiple dielectric particles, which is capable of reconfiguring wireless channels intelligently in line-of-sight links. By leveraging the unique features of PAs, we…

Information Theory · Computer Science 2025-02-19 Tianwei Hou , Yuanwei Liu , Arumugam Nallanathan

Pinching-antenna systems have emerged as a novel and transformative flexible-antenna architecture for next-generation wireless networks. They offer unprecedented flexibility and spatial reconfigurability by enabling dynamic positioning and…

Pinching-antenna systems (PASS) have been recently proposed to improve the performance of wireless networks by reconfiguring both the large-scale and small-scale channel conditions. However, existing studies ignore the physical constraints…

Signal Processing · Electrical Eng. & Systems 2025-07-04 Yiming Xu , Dongfang Xu , Xianghao Yu , Shenghui Song , Zhiguo Ding , Robert Schober

The pinching-antenna system (PASS), recently proposed as a flexible-antenna technology, has been regarded as a promising solution for several challenges in next-generation wireless networks. It provides large-scale antenna reconfiguration,…

The pinching-antenna systems (PASS), which activate small dielectric particles along a dielectric waveguide, has recently emerged as a promising paradigm for flexible antenna deployment in next-generation wireless communication networks.…

Systems and Control · Electrical Eng. & Systems 2025-09-08 Han Zhang , Bingxin Zhang , Yizhe Zhao , Kun Yang , Guopeng Zhang

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…

Information Theory · Computer Science 2025-06-13 Zhaolin Wang , Chongjun Ouyang , Xidong Mu , Yuanwei Liu , Zhiguo Ding

A dual-scale deployment (DSD) framework is proposed for pinching antenna systems (PASS), under which four protocols are provided. 1) For the coarse-scale deployment, the pinching antenna (PA) is transferred over a large-scale range at the…

Information Theory · Computer Science 2026-05-18 Xu Gan , Zhaolin Wang , Yuanwei Liu

The joint transmit and pinching beamforming design for spectral efficiency (SE) and energy efficiency (EE) tradeoff in pinching-antenna systems (PASS) is proposed, under practical channel and energy consumption models. In the single-user…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Zihao Zhou , Zhaolin Wang , Yuanwei Liu

Flexible-antenna systems have recently attracted significant research attention due to their potential to intelligently reconfigure wireless channels. However, the current flexible-antenna systems still suffer from fundamental limitations,…

Signal Processing · Electrical Eng. & Systems 2025-07-24 Yuanwei Liu , Zhaolin Wang , Xidong Mu , Chongjun Ouyang , Xiaoxia Xu , Zhiguo Ding

As an emerging flexible antenna technology for wireless communications, pinching-antenna systems, offer distinct advantages in terms of cost efficiency and deployment flexibility. This paper investigates joint transmission strategies of the…

Information Theory · Computer Science 2025-06-25 Enzhi Zhou , Jingjing Cui , Ziyue Liu , Zhiguo Ding , Pingzhi Fan

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