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

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Recently, the pinching antenna system (PASS) has attracted considerable attention due to their advantages in flexible deployment and reduction of signal propagation loss. In this work, a multiple waveguide PASS assisted integrated sensing…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Haochen Li , Ruikang Zhong , Jiayi Lei , Yuanwei Liu

Pinching-antenna systems (PASS) represent an innovative advancement in flexible-antenna technologies, aimed at significantly improving wireless communications by ensuring reliable line-of-sight connections and dynamic antenna array…

Signal Processing · Electrical Eng. & Systems 2025-11-27 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

Pinching antennas have been recently proposed as a promising flexible-antenna technology, which can be implemented by attaching low-cost pinching elements to dielectric waveguides. This work explores the potential of employing pinching…

Information Theory · Computer Science 2025-02-04 Ali Bereyhi , Saba Asaad , Chongjun Ouyang , Zhiguo Ding , H. Vincent Poor

We propose a directional pinching-antenna system (DiPASS), a comprehensive framework that transitions PASS modeling from idealized abstraction to physical consistency. DiPASS introduces the first channel model that accurately captures the…

Information Theory · Computer Science 2025-11-25 Runxin Zhang , Yulin Shao , Yuanwei Liu

Pinching antenna systems (PAS) have recently emerged as a promising architecture for flexible and reconfigurable wireless communications. However, their performance is fundamentally constrained by in-waveguide attenuation, which is…

Signal Processing · Electrical Eng. & Systems 2026-03-06 Ximing Xie , Hao Qin , Fang Fang , Xianbin Wang

Pinching-antenna system (PASS) mitigates large-scale path loss by enabling flexible placement of pinching antennas (PAs) along the dielectric waveguide. However, most existing studies assume perfect channel state information (CSI),…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Mingjun Sun , Chongjun Ouyang , Shaochuan Wu , Yuanwei Liu

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…

Information Theory · Computer Science 2025-03-06 Ali Bereyhi , Chongjun Ouyang , Saba Asaad , Zhiguo Ding , H. Vincent Poor

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

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

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

In this article, we develop an analytical radiation-pattern model for pinching-antenna systems (PASS) based on a two-dimensional dielectric slab waveguide. The model is derived in two steps. First, we employ coupled-mode theory (CMT) to…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Muhammad Zubair , Vasilis K. Papanikolaou , Robert Schober

Pinching antenna systems (PASS) enable reconfigurable radiating elements and extended line-of-sight communication, mitigating path loss effects. However, existing designs lack fully controllable radiation weights, as they are governed by…

Information Theory · Computer Science 2026-05-27 Askin Altinoklu , Leila Musavian

This letter investigates multi-mode pinching antenna systems (PASS), where signals of multiple orthogonal modes can be transmitted within a dielectric waveguide and radiated by pinching antennas (PAs). This enables mode-domain multiplexing…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Xiaoxia Xu , Xidong Mu , Yuanwei Liu , Arumugam Nallanathan

Pinching-antennas systems (PASS) offer reconfigurable wireless channels via low-cost dielectric mediums by creating line-of-sight (LoS) communication links. Most of the existing PASS cover mechanisms of equal power pinching antennas for…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Ishtiaque Ahmed , Leila Musavian

Over-the-air computation (AirComp) enables fast data aggregation for edge intelligence applications. However the performance of AirComp can be severely degraded by channel misalignments. Pinching antenna systems (PASS) have recently emerged…

Information Theory · Computer Science 2025-05-13 Zhonghao Lyu , Haoyun Li , Yulan Gao , Ming Xiao , H. Vincent Poor

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

Pinching-antenna systems (PASs) have been proposed as a flexible antenna technology to fulfill the stringent requirements of high data rate and large-scale equipment deployment in future wireless networks. The principle of PA involves…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Haoran Pang , Miaowen Wen , Fei Ji , Jun Li , Yiwei Tao

A novel concept of waveguide division multiple access (WDMA) is proposed for multi-user pinching-antenna systems (PASS). The key principle of WDMA is to allocate each user with a dedicated waveguide, which is regarded as a new type of radio…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Jingjing Zhao , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

The pinching-antenna system (PASS) has been proposed as a promising solution for mitigating line-of-sight (LoS) blockages by dynamically repositioning pinching antennas (PAs) along a dielectric waveguide. This paper develops a…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Zhehang Ye , Ximing Xie , Hao Qin , Xingqi Zhang , Yuanwei Liu

Pinching-antenna systems (PASS) have emerged as a promising technology due to their ability to dynamically reconfigure wireless propagation environments. A novel PASS-based multi-user non-orthogonal multiple access (NOMA) framework is…

Signal Processing · Electrical Eng. & Systems 2025-12-04 Songtao Xue , Jingjing Zhao , Kaiquan Cai , Xidong Mu , Zhenyu Xiao , Yuanwei Liu