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Related papers: Two-Dimensional Pinching-Antenna Systems: Modeling…

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Pinching antenna system (PASS) configures the positions of pinching antennas (PAs) along dielectric waveguides to change both large-scale fading and small-scale scattering, which is known as pinching beamforming. A novel non-orthogonal…

Information Theory · Computer Science 2025-06-04 Deqiao Gan , Xiaoxia Xu , Jiakuo Zuo , Xiaohu Ge , Yuanwei Liu

Pinching antennas systems (PASSs) have recently been proposed as a novel flexible-antenna technology. These systems are implemented by attaching low-cost pinching elements to dielectric waveguides. As the direct link is bypassed through…

Information Theory · Computer Science 2026-02-17 Saba Asaad , Ali Bereyhi

An integrated sensing and communication (ISAC) design for pinching antenna systems (PASS) is proposed, where the pinching antennas are deployed to establish reliable line-of-sight communication and sensing links. More particularly, a…

Information Theory · Computer Science 2025-05-13 Zheng Zhang , Zhaolin Wang , Xidong Mu , Bingtao He , Jian Chen , Yuanwei Liu

A pinching antenna system (PASS) assisted cognitive radio (CR) system is proposed. A secondary system sum rate maximization problem is formulated by jointly considering the base station (BS) power budget, the pinching antenna (PA)…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Haochen Li , Ruikang Zhong , Zhaoming Hu , Zheng Zhang , Yaoyue Hu , Chao Dong

Pinching-antenna systems (PASS) represent a promising customizable wireless access mechanism in high-frequency bands, enabled by dielectric waveguides and movable dielectric particles, called pinching antennas (PAs). In this work, we study…

Information Theory · Computer Science 2026-04-20 Muhammad Fainan Hanif , Yuanwei Liu

Pinching antenna system (PAS) serves as a groundbreaking paradigm that enhances wireless communications by flexibly adjusting the position of pinching antenna (PA) and establishing a strong line-of-sight (LoS) link, thereby reducing the…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Kunrui Cao , Jingyu Chen , Panagiotis D. Diamantoulakis , Lei Zhou , Xingwang Li , Yuanwei Liu , George K. Karagiannidis

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…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Saba Asaad , Chongjun Ouyang , Ali Bereyhi , Zhiguo Ding

A wireless sensing architecture via pinching antenna systems is proposed. Compared to conventional wireless systems, PASS offers flexible antenna deployment and improved probing performance for wireless sensing by leveraging dielectric…

Signal Processing · Electrical Eng. & Systems 2025-05-22 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu , Arumugam Nallanathan

The pinching-antenna systems (PASS), which dynamically activate and relocate the pinching-antennas (PAs) along the dielectric waveguide, offer unprecedented potential for integrated positioning and communication. The multi-waveguide-based…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Yaoyu Zhang , Xin Sun , Jun Wang , Tianwei Hou , Anna Li , Yuanwei Liu , Arumugam Nallanathan

As next-generation wireless networks emerge, security is becoming a critical performance metric. However, conventional multiple-input-multiple-output (MIMO) systems often suffer from severe path loss and are vulnerable to nearby…

This paper conducts a comprehensive performance analysis for pinching-antenna systems (PASS) under both orthogonal multiple access (OMA) and non-orthogonal multiple access (NOMA) transmission. Given the cost of waveguides, we consider a…

Signal Processing · Electrical Eng. & Systems 2025-06-04 Yanyu Cheng , Chongjun Ouyang , Yuanwei Liu , George K. Karagiannidis

Pinching antennas, realized through position-adjustable radiating elements along dielectric waveguides, have emerged as a promising flexible-antenna technology thanks to their ability to dynamically reshape large-scale channel conditions.…

Signal Processing · Electrical Eng. & Systems 2025-12-05 Yanqing Xu , Yang Lu , Zhiguo Ding , Tsung-Hui Chang

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

The pinching-antenna systems (PASS) enable blockage mitigation in urban micro (UMi) networks through flexible antenna placement. However, the joint optimization of antenna positions and beamforming precoding is inherently nonconvex and…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Qiushi Zhao , Zihan Feng , Ximing Xie , Hao Qin , Yuanwei Liu , Xingqi Zhang

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

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.…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Kasun R. Wijewardhana , Animesh Yadav , Ming Zeng , Mohamed Elsayed , Octavia A. Dobre , Zhiguo Ding

This letter introduces a novel pinching-antenna-system (PASS) assisted simultaneous wireless information and power transfer (SWIPT), where multiple pinching antennas (PAs) are strategically activiated on a waveguide to facilitate…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Yixuan Li , Ji Wang , Yuanwei Liu , Zhiguo Ding

A novel pinching antenna system (PASS) enabled wireless power transfer (WPT) framework is proposed, where energy harvesting receivers (EHRs) and information decoding receivers (IDRs) coexist. By activating pinching antennas (PAs) near both…

Signal Processing · Electrical Eng. & Systems 2025-11-17 Deqiao Gan , Xiaoxia Xu , Xiaohu Ge , Yue Liu , Yuanwei Liu

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…

This letter proposes a novel user localization and channel estimation framework for pinching-antenna systems (PASS), where pinching antennas are grouped into subarrays on each waveguide to cooperatively estimate user/scatterer locations,…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Xiaoxia Xu , Xidong Mu , Yuanwei Liu , Hong Xing , Arumugam Nallanathan