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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), 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,…

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 (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

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

Pinching-antenna systems (PASS) have recently attracted significant attention as a promising architecture for flexible and reconfigurable wireless communications. Despite notable advancements, research on energy efficiency (EE) maximization…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Yishi Zhang , Aditya Powari , Kaidi Wang , Yaru Fu , Daniel K. C. So

A transmit pinching-antenna system (T-PASS) framework is proposed, in which a single pinched waveguide is employed to jointly serve one wired user equipment (UE) and multiple wireless UEs. The signal radiated by the pinching antennas (PAs)…

Signal Processing · Electrical Eng. & Systems 2026-03-05 Deqiao Gan , Chongjun Ouyang , Yuanwei Liu , Xiaohu Ge

Pinching antenna (PA), a flexible waveguide integrated with dielectric particles, intelligently reconstructs line-of-sight channels. Utilizing its geometric deterministic model and meter-level reconstruction, PA systems (PASS) are applied…

Systems and Control · Electrical Eng. & Systems 2025-08-12 Yaoyu Zhang , Xin Sun , Jun Wang , Tianwei Hou , Anna Li , Yuanwei Liu , Arumugam Nallanathan

Recently, the pinching antenna systems (PASS) have attracted significant attention due to their ability to exploit dynamically reconfigurable pinching points along waveguides for flexible signal transmission. However, existing work largely…

Signal Processing · Electrical Eng. & Systems 2026-05-11 Ali Amhaz , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

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…

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

The sixth generation of wireless networks envisions intelligent and adaptive environments capable of meeting the demands of emerging applications such as immersive extended reality, advanced healthcare, and the metaverse. However, this…

Networking and Internet Architecture · Computer Science 2025-02-13 Dimitrios Tyrovolas , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , Sotiris Ioannidis , Christos K. Liaskos , George K. Karagiannidis

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

The pinching-antenna system (PASS) enables wireless channel reconfiguration through optimized placement of pinching antennas along dielectric waveguides. In this article, a unified analytical framework is proposed to characterize the…

Signal Processing · Electrical Eng. & Systems 2026-02-13 Chongjun Ouyang , Hao Jiang , Zhaolin Wang , Yuanwei Liu , Zhiguo Ding

This paper investigates the rate-energy trade-off for pinching-antenna systems (PASS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. Both the single information user (IU)/energy user (EU) and multiple IUs/EUs…

Signal Processing · Electrical Eng. & Systems 2025-12-01 Qi Yang , Kai Liu , Jingjing Zhao , Kaiquan Cai , Xidong Mu , Yuanwei Liu

The emerging pinching antenna (PA) technology has high flexibility to reconfigure wireless channels and combat line-of-sight blockage, thus holding transformative potential for indoor immersive applications in 6G. This paper investigates…

Performance · Computer Science 2025-06-10 Yulei Wang , Yalin Liu , Yaru Fu , Zhiguo Ding

Pinching antenna systems (PASSs) can dynamically adapt their transmit and receive arrays for sensing and communication in wireless systems. This work explores the potential of PASSs for integrated sensing and communication (ISAC) by…

Information Theory · Computer Science 2026-03-18 Saba Asaad , Chongjun Ouyang , Zhiguo Ding , Ali Bereyhi

This paper studies a pinching antenna system (PAS)-assisted hybrid uplink architecture that integrates over-the-air computation (AirComp) and non-orthogonal multiple access (NOMA) to simultaneously support distributed data aggregation and…

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

Pinching Antennas (PAs) represent a revolutionary flexible antenna technology that leverages dielectric waveguides and electromagnetic coupling to mitigate large-scale path loss. This letter is the first to explore channel estimation for…

Information Theory · Computer Science 2025-05-13 Jian Xiao , Ji Wang , Yuanwei Liu

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