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A pinching antennas (PAs)-aided integrated sensing and multicast communication framework is proposed. In this framework, the communication performance is measured by the multicast rate considering max-min fairness. Moreover, the sensing…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Shan Shan , Chongjun Ouyang , Xiaohang Yang , Yong Li , Zhiqin Wang , Yuanwei Liu

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

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

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

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

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

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

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

Security is emerging as a critical performance metric for next-generation wireless networks, but conventional multiple-input-multiple-output (MIMO) systems often suffer from severe path loss and are vulnerable to nearby eavesdroppers due to…

Signal Processing · Electrical Eng. & Systems 2025-04-16 Pigi P. Papanikolaou , Dimitrios Bozanis , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , George K. Karagiannidis

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

This paper investigates a rate-splitting multiple access (RSMA) for uplink pinching antenna system (PASS). Our objective is to maximize the uplink sum rate by jointly optimizing a continuous antenna positioning and user's transmission…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Zar Chi Phyo , Shreya Khisa , Chadi Assi , Sanaa Sharafaddine

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

Pinching antennas (PAs), as an emerging flexible-antenna technology, enables movable PAs deployed along waveguides to customize channel conditions over a large scale. This paper investigates an application of PAs to enable physical-layer…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Yang Lu , Xinke Xie , Yanqing Xu , Bo Ai , Octavia A. Dobre , Dusit Niyato

In this paper, we explore a novel joint uplink and downlink framework utilizing a pinching antenna system (PASS). We consider two waveguides, one dedicated to transmission and one to reception, and both of them are connected to a base…

Signal Processing · Electrical Eng. & Systems 2025-10-28 Shreya Khisa , Ali Amhaz , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

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

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

In this paper, a novel pinching antenna-aided spatial multiplexing (PASM) architecture is conceived, which intrinsically amalgamates the benefits of flexible radiating element placement with radio-frequency (RF) chain transmission.…

Signal Processing · Electrical Eng. & Systems 2026-04-30 Ruijie Li , Yue Xiao , Shuaixin Yang , Gang Wu , Xianfu Lei , Ming Xiao

Pinching antenna (PA) systems have recently emerged as a promising architecture for reconfigurable wireless communications by enabling flexible antenna placement along a dielectric waveguide. However, existing works typically assume perfect…

Information Theory · Computer Science 2026-04-14 Hao Feng , Ebrahim Bedeer , Ming Zeng , Xingwang Li , Wanming Hao , Dingzhu Wen

Pinching antenna system (PASS) has recently shown its promising ability to flexibly reconfigure wireless channels via dynamically adjusting the positions of pinching antennas over a dielectric waveguide, termed as pinching beamforming. This…

Information Theory · Computer Science 2025-09-17 Guangji Chen , Qingqing Wu , Kangda Zhi , Xidong Mu , Yuanwei Liu

The full potential of pinching-antenna systems (PAS) can be unblocked if pinching antennas can be accurately activated at positions tailored for the serving users', which means that acquiring accurate channel state information (CSI) at…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Gui Zhou , Vasilis Papanikolaou , Zhiguo Ding , Robert Schober