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相关论文: Rate Maximization for Multi-Waveguide PASS: A Hier…

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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…

信号处理 · 电气工程与系统科学 2026-02-04 Zhenqiao Cheng , Chongjun Ouyang , Nicola Marchetti

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…

信号处理 · 电气工程与系统科学 2026-03-10 Xiaoxia Xu , Xidong Mu , Yuanwei Liu , Arumugam Nallanathan

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…

信号处理 · 电气工程与系统科学 2025-05-13 Yixuan Li , Ji Wang , Yuanwei Liu , Zhiguo Ding

A Pinching-Antenna SyStem (PASS)-assisted convert communication framework is proposed. PASS utilizes dielectric waveguides with freely positioned pinching antennas (PAs) to establish strong line-of-sight links. Capitalizing on this high…

信号处理 · 电气工程与系统科学 2025-04-15 Hao Jiang , Zhaolin Wang , 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.…

系统与控制 · 电气工程与系统科学 2025-09-08 Han Zhang , Bingxin Zhang , Yizhe Zhao , Kun Yang , Guopeng Zhang

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…

信号处理 · 电气工程与系统科学 2025-06-13 Peiyu Wang , Hong Wang , Rongfang Song

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…

This paper investigates a reconfigurable intelligent surface (RIS)-assisted multi-waveguide pinching-antenna (PA) system (PASS) for multi-user downlink information transmission, motivated by the unknown impact of the integration of emerging…

网络与互联网体系结构 · 计算机科学 2025-11-26 Changpeng He , Yang Lu , Yanqing Xu , Chong-Yung Chi , Bo Ai , Arumugam Nallanathan

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…

信号处理 · 电气工程与系统科学 2025-10-22 Guangyu Zhu , Xidong Mu , Li Guo , Shibiao Xu , Yuanwei Liu , Naofal Al-Dhahir

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…

信号处理 · 电气工程与系统科学 2026-01-01 Haochen Li , Ruikang Zhong , Jiayi Lei , Yuanwei Liu

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…

系统与控制 · 电气工程与系统科学 2025-08-12 Yaoyu Zhang , Xin Sun , Jun Wang , Tianwei Hou , Anna Li , Yuanwei Liu , Arumugam Nallanathan

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)…

信号处理 · 电气工程与系统科学 2026-03-05 Deqiao Gan , Chongjun Ouyang , Yuanwei Liu , Xiaohu Ge

This article analyzes the achievable sum-rate of multiuser uplink segmented waveguide-enabled pinching-antenna systems (SWANs). To unveil system-design insights, an upper bound on the achievable sum-rate is derived, based on which the…

信号处理 · 电气工程与系统科学 2026-05-14 Songnan Gu , Zhenqiao Cheng , Hao Jiang , Chongjun Ouyang , Yuanwei Liu , Arumugam Nallanathan

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…

信息论 · 计算机科学 2025-06-25 Enzhi Zhou , Jingjing Cui , Ziyue Liu , Zhiguo Ding , Pingzhi Fan

The pinching-antenna system (PASS) reconstructs wireless channels through pinching beamforming, i.e., optimizing the activated locations of pinching antennas (PAs) along the waveguide. The aim of this article is to investigate the joint…

信号处理 · 电气工程与系统科学 2025-06-10 Mingjun Sun , Chongjun Ouyang , Shaochuan Wu , Yuanwei Liu

Pinching-antenna systems have emerged as a promising flexible-antenna architecture for next-generation wireless networks, enabling enhanced adaptability and user-centric connectivity through antenna repositioning along waveguides. However,…

信号处理 · 电气工程与系统科学 2025-07-01 Yanqing Xu , Zhiguo Ding , Robert Schober , Tsung-Hui Chang

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…

信号处理 · 电气工程与系统科学 2025-11-06 Kunrui Cao , Jingyu Chen , Panagiotis D. Diamantoulakis , Lei Zhou , Xingwang Li , Yuanwei Liu , George K. Karagiannidis

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…

信息论 · 计算机科学 2025-02-19 Tianwei Hou , Yuanwei Liu , Arumugam Nallanathan

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…

信号处理 · 电气工程与系统科学 2026-03-06 Ximing Xie , Hao Qin , Fang Fang , Xianbin Wang

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…

信号处理 · 电气工程与系统科学 2026-02-17 Saba Asaad , Chongjun Ouyang , Ali Bereyhi , Zhiguo Ding