English
Related papers

Related papers: Generalized Pinching-Antenna Systems: A Tutorial o…

200 papers

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

A novel architecture of the center-fed pinching antenna system (C-PASS) is proposed. In contrast to the conventional end-fed PASS, signals are fed from the center input ports and propagate towards both sides of the waveguide. By doing so,…

Information Theory · Computer Science 2025-12-16 Xu Gan , Yuanwei Liu

This paper investigates the secrecy performance of pinching-antenna systems (PAS) under practical pinching-position activation uncertainty. By dynamically selecting the radiation point along a dielectric waveguide, PAS enables low-cost…

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

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

Low-altitude wireless networks (LAWNs) are widely regarded as a cornerstone of the emerging low-altitude economy, yet they face significant challenges, including rapidly varying channels, diverse functional requirements, and dynamic…

Information Theory · Computer Science 2025-09-26 Wenchao Liu , Xuhui Zhang , Chunjie Wang , Jinke Ren , Weijie Yuan , Changsheng You

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

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…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Mingjun Sun , Chongjun Ouyang , Shaochuan Wu , Yuanwei Liu

The large spectrum available in the millimeter-Wave (mmWave) band has emerged as a promising solution for meeting the huge capacity requirements of the 5th generation (5G) wireless networks. However, to fully harness the potential of mmWave…

Information Theory · Computer Science 2018-03-28 Mojtaba Ahmadi Almasi , Hani Mehrpouyan , Vida Vakilian , Nader Behdad , Hamid Jafarkhani

Pinching antennas (PAs), a new type of reconfigurable and flexible antenna structures, have recently attracted significant research interest due to their ability to create line-of-sight links and mitigate large-scale path loss. Owing to…

Signal Processing · Electrical Eng. & Systems 2025-09-26 Peng Liu , Zesong Fei , Meng Hua , Guangji Chen , Xinyi Wang , Ruiqi Liu

Biomedical implantable technologies are life-saving modalities for millions of people globally because of their abilities of wireless remote monitoring, regulating the abnormal functions of internal organs, and early detection of cognitive…

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…

Networking and Internet Architecture · Computer Science 2025-11-26 Changpeng He , Yang Lu , Yanqing Xu , Chong-Yung Chi , Bo Ai , Arumugam Nallanathan

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. In this paper, we propose a new rotatable antenna (RA) model to…

Information Theory · Computer Science 2026-03-31 Beixiong Zheng , Qingjie Wu , Tiantian Ma , Rui Zhang

This paper develops a gradient-based meta-learning framework for real-time control of waveguided pinching-antenna systems under user-location uncertainty and physical-layer security (PLS) constraints. A probabilistic system model is…

Signal Processing · Electrical Eng. & Systems 2026-01-05 Khalid T. Musri , Akram Y. Sarhan , Osamah A. Abdullah , Hayder Al-Hraishawi

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

The flexible-position multiple-input multiple-output (FLP-MIMO), such as fluid antennas and movable antennas, is a promising technology for future wireless communications. This is due to the fact that the positions of antennas at the…

Information Theory · Computer Science 2023-11-15 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Dusit Niyato , Sumei Sun , Bo Ai , Khaled B. Letaief

Unlike conventional systems using a fixed-location antenna, the channel capacity of the pinching-antenna system (PASS) is determined by the activated positions of pinching antennas. This article characterizes the capacity region of…

Information Theory · Computer Science 2025-06-18 Chongjun Ouyang , Zhaolin Wang , Yuanwei Liu , Zhiguo Ding

With great flexibility to adjust antenna positions, pinching antennas (PAs) are promising for alleviating large-scale attenuation in wireless networks. In this work, we investigate the antenna positioning and beamforming (AP-BF) design in a…

Signal Processing · Electrical Eng. & Systems 2026-05-08 Lei Li , Yanqing Xu , Tenghao Cai , Tsung-Hui Chang

Implantable wireless bioelectronic devices enable communication and/or power transfer through RF wireless connections with external nodes. These devices encounter notable design challenges due to the lossy nature of the host body, which…

Medical Physics · Physics 2024-07-03 Mingxiang Gao , Sujith Raman , Zvonimir Sipus , Anja K. Skrivervik

In this letter, a non-orthogonal multiple access (NOMA) assisted downlink pinching-antenna system is investigated, where multiple pinching antennas can be activated at pre-configured positions along a dielectric waveguide to serve users via…

Signal Processing · Electrical Eng. & Systems 2024-12-19 Kaidi Wang , Zhiguo Ding , Robert Schober

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