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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…

Signal Processing · Electrical Eng. & Systems 2026-02-04 Zhenqiao Cheng , Chongjun Ouyang , Nicola Marchetti

This paper focuses on the spatial-spectral terahertz (THz) networks, where transmitters equipped with leaky-wave antennas send information to their receivers at the THz frequency bands. As a directional and nearly planar antenna, the…

Information Theory · Computer Science 2021-11-05 Zheng Lin , Lifeng Wang , Bo Tan , Xiang Li

Periodic leaky-wave antennas can be realized with planar low-profile structures supporting the generation of highly directional beams with frequency scanning from backward to forward directions. We propose a method to generate leaky modes…

Applied Physics · Physics 2025-08-11 Yuhuan Tong , Beatrice Ambrogi , Davide Comite , Guido Valerio

Recent advances in Vehicle-to-Everything (V2X) technology and the upcoming sixth-generation (6G) network will dawn a new era for vehicular services with enhanced communication capabilities. Connected and Autonomous Vehicles (CAVs) are…

The transition to sixth-generation (6G) networks calls for wireless transceivers with enhanced adaptability and efficiency. Reconfigurable antennas (RAs) have emerged as a promising solution, enabling dynamic control over the…

Signal Processing · Electrical Eng. & Systems 2025-12-01 Pinjun Zheng , Ruiqi Wang , Yuchen Zhang , Md. Jahangir Hossain , Anas Chaaban , Atif Shamim , Tareq Y. Al-Naffouri

To meet the urgent demands for spectral efficiency and multi-user access in high-frequency application scenario for the sixth-generation wireless communication, this paper investigates a rate splitting multiple access (RSMA) system assisted…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Peiyu Wang , Hong Wang , Yaru Fu , Rongfang Song

Wearable on-body millimeter-wave (mmWave) radars can provide obstacle detection and guidance for visually impaired individuals. The antennas, being a crucial component of these systems, must be lightweight, flexible, low-cost, and compact.…

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

The pinching-antenna systems (PASS) enable blockage mitigation in urban micro (UMi) networks through flexible antenna placement. However, the joint optimization of antenna positions and beamforming precoding is inherently nonconvex and…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Qiushi Zhao , Zihan Feng , Ximing Xie , Hao Qin , Yuanwei Liu , Xingqi Zhang

Reconfigurable antennas (RAs) have emerged as a promising technology for future wireless networks, offering additional flexibility for wireless communications. Among existing designs, rotatable antennas are particularly effective in…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Chao Zhang , Hu Zhou , Ruizhe Long , Ying-Chang Liang , Boon-Hee Soong

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

This article investigates the influential role of flexible antenna array curvature on the performance of 6G communication systems with carrier frequencies above 100 GHz. It is demonstrated that the curvature of flexible antenna arrays can…

Systems and Control · Electrical Eng. & Systems 2026-01-27 Mahdi Alesheikh , Soheil Saadat , Hamidreza Aghasi

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 \emph{pinching beamforming}, wherein the activated positions of pinching antennas along dielectric waveguides are optimized to shape the radiation pattern. The aim of…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Chongjun Ouyang , Zhaolin Wang , Yuanwei Liu , Zhiguo Ding

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 systems (PASS) have recently attracted considerable attention owing to their capability of flexibly reconfiguring large-scale wireless channels. Motivated by this potential, we investigate the issue of joint localization…

Signal Processing · Electrical Eng. & Systems 2025-12-11 Min Liu , Yue Xiao , Shuaixin Yang , Gang Wu , Xianfu Lei , Wei Xiang

Conventional-antenna-based multi-cell interference management can lead to excessive power consumption. For example, in order to serve those users which are close to the cell edge, base stations often must transmit at very high power levels…

Information Theory · Computer Science 2026-02-24 Zhiguo Ding

The performance of millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems is limited by the sparse nature of propagation channels and the restricted number of radio frequency (RF) chains at transceivers. The introduction of…

Information Theory · Computer Science 2018-08-23 Biao He , Hamid Jafarkhani

Pinching-antenna (PA) systems route millimeter wave (mmWave) signals through a leaky waveguide and radiate them at "pinch" apertures, offering low-cost line-of-sight (LoS) coverage. However, when multiple PAs serve multiple users…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Thrassos K. Oikonomou , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , Yuanwei Liu , George K. Karagiannidis

For current and future automated driving functions, the radio availability of broadband hybrid networking services (e.g. digital broadcasting, mobile radio, dedicated short range communication) is a prerequisite for continuous V2X…

Signal Processing · Electrical Eng. & Systems 2022-03-21 Hagen Ußler , Christian Setzefand , Oliver Michler