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Related papers: Pinching Antennas: Principles, Applications and Ch…

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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

Reconfigurable intelligent surfaces (RISs) are rapidly gaining prominence in the realm of fifth generation (5G)-Advanced, and predominantly, sixth generation (6G) mobile networks, offering a revolutionary approach to optimizing wireless…

Information Theory · Computer Science 2024-06-17 Ertugrul Basar , George C. Alexandropoulos , Yuanwei Liu , Qingqing Wu , Shi Jin , Chau Yuen , Octavia A. Dobre , Robert Schober

Movable antennas represent an emerging field in telecommunication research and a potential approach to achieving higher data rates in multiple-input multiple-output (MIMO) communications when the total number of antennas is limited. Most…

Information Theory · Computer Science 2025-06-03 Amna Irshad , Emil Björnson , Alva Kosasih , Vitaly Petrov

The sixth-generation (6G) wireless communication network is expected to integrate the terrestrial, aerial, and maritime communications into a robust network which would be more reliable, fast, and can support a massive number of devices…

Signal Processing · Electrical Eng. & Systems 2020-10-19 Muhammad Waseem Akhtar , Syed Ali Hassan , Rizwan Ghaffar , Haejoon Jung , Sahil Garg , M. Shamim Hossain

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

In conventional multiple-input multiple-output (MIMO), static array configurations struggle in dynamic environments, and further antenna scaling is bounded by cost, energy, and footprint. Emerging approaches, which can enable…

Information Theory · Computer Science 2025-11-11 Zhe Wang , Jiayi Zhang , Bokai Xu , Wenhui Yi , Emil Björnson , Bo Ai

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

As wireless communication systems continue to grow rapidly, high-performance antennas become increasingly crucial for expanding coverage, improving capacity, and enhancing transmission quality. In light of this, research has focused…

Signal Processing · Electrical Eng. & Systems 2025-12-22 Sasmita Dash , Constantinos Psomas , Ioannis Krikidis

Sixth generation (6G) wireless networks are envisioned to include aspects of energy footprint reduction (sustainability), besides those of network capacity and connectivity, at the design stage. This paradigm change requires radically new…

Information Theory · Computer Science 2024-06-28 Juan Carlos Ruiz-Sicilia , Marco Di Renzo , Placido Mursia , Aryan Kaushik , Vincenzo Sciancalepore

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) has emerged as a promising…

Flexible antenna technology has recently emerged as a key enabler for next-generation wireless communications, which can effectively exploit the spatial degrees of freedom (DoF). However, existing conventional metrics (e.g., spectral and…

Information Theory · Computer Science 2026-03-24 Cheng Yang , Dong Li

The pinching-antenna architecture has emerged as a promising solution for reconfiguring wireless propagation environments and enhancing system performance. While prior research has primarily focused on sum-rate maximization or transmit…

Information Theory · Computer Science 2025-05-13 Ming Zeng , Xingwang Li , Ji Wang , Gaojian Huang , Octavia A. Dobre , Zhiguo Ding

A sensing-aided covert communication network empowered by pinching antenna systems (PASS) is proposed in this work. Unlike conventional fixed-position MIMO arrays, PASS dynamically reconfigures its pinching antennas (PAs) closer to the…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Hao Jiang , Zhaolin Wang , Yuanwei Liu , Arumugam Nallanathan , Zhiguo Ding

The ever-growing demand for ultra-high data rates, massive connectivity, and joint communication-sensing capabilities in future wireless networks is driving research into sub-terahertz (sub-THz) communications. While these frequency bands…

The demanding objectives for the future sixth generation (6G) of wireless communication networks have spurred recent research efforts on novel materials and radio-frequency front-end architectures for wireless connectivity, as well as…

Information Theory · Computer Science 2022-03-08 Mengnan Jian , George C. Alexandropoulos , Ertugrul Basar , Chongwen Huang , Ruiqi Liu , Yuanwei Liu , Chau Yuen

As the main issue in pinching-antenna system design, antenna location optimization is key to realizing channel reconfigurability and system flexibility. Most existing works in this area adopt sophisticated optimization and learning tools to…

Information Theory · Computer Science 2025-07-18 Zhiguo Ding , H. Vincent Poor

Recent advancements in movable antennas (MAs) technology create new opportunities for 6G and beyond wireless systems. MAs are promising for radio frequency wireless energy transfer because they can dynamically adjust antenna positions,…

Signal Processing · Electrical Eng. & Systems 2025-06-30 Osmel Martínez Rosabal , Onel Alcaraz López , Marco Di Renzo , Richard Demo Souza , Hirley Alves

Future sixth-generation (6G) networks require high spectral efficiency (SE), massive connectivity, and stringent reliability under imperfect channel state information at the transmitter. Rate-splitting multiple access (RSMA) addresses part…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Jinyuan Liu , Yong Liang Guan , Hong Niu , Qian Zhang , Mérouane Debbah , Hyundong Shin , Bruno Clerckx

We investigate a novel integrated sensing and communication (ISAC) system enabled by pinching antennas (PAs), which are dynamically activated along a dielectric waveguide. Unlike prior designs, the PAs are organized into multiple clusters…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Ata Khalili , Brikena Kaziu , Vasilis K. Papanikolaou , Robert Schober

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