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相关论文: Pinching-Antenna System Design with LoS Blockage: …

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This work investigates the joint learning of pinching antenna (PA) positions and transmit beamforming for PA-aided integrated sensing and communication (ISAC) in the low-altitude wireless networks. By freely deploying antenna positions…

信号处理 · 电气工程与系统科学 2025-12-05 Jia Guo , Yuanwei Liu , Arumugam Nallanathan

Programmable wireless environments (PWEs) have emerged as a key paradigm for next-generation communication networks, aiming to transform wireless propagation from an uncontrollable phenomenon into a reconfigurable process that can adapt to…

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),…

信号处理 · 电气工程与系统科学 2025-12-23 Mingjun Sun , Chongjun Ouyang , Shaochuan Wu , Yuanwei Liu

An integrated sensing and communication (ISAC) design for pinching antenna systems (PASS) is proposed, where the pinching antennas are deployed to establish reliable line-of-sight communication and sensing links. More particularly, a…

信息论 · 计算机科学 2025-05-13 Zheng Zhang , Zhaolin Wang , Xidong Mu , Bingtao He , Jian Chen , Yuanwei Liu

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…

信号处理 · 电气工程与系统科学 2025-12-01 Qi Yang , Kai Liu , Jingjing Zhao , Kaiquan Cai , Xidong Mu , Yuanwei Liu

We investigate a novel integrated sensing and communication (ISAC) system supported by pinching antennas (PAs), which can be dynamically activated along a dielectric waveguide to collect spatially diverse observations. This capability…

信号处理 · 电气工程与系统科学 2025-05-06 Ata Khalili , Brikena Kaziu , Vasilis K. Papanikolaou , Robert Schober

This paper presents an analytical framework for downlink pinching antenna systems (PASS) employing waveguide division multiple access (WDMA) and non-orthogonal multiple access (NOMA). A unified channel model is developed to capture antenna…

信号处理 · 电气工程与系统科学 2026-05-18 Han Zhang , Bingxin Zhang , Yizhe Zhao , Kun Yang

Millimeter-wave and terahertz communications face a fundamental challenge: overcoming severe path loss without sacrificing spectral efficiency. Pinching antenna systems (PASS) address this by bringing radiators physically close to users,…

信息论 · 计算机科学 2026-04-03 Dengke Wei , Runxin Zhang , Yulin Shao , Fen Hou , Shaodan Ma

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

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…

信息论 · 计算机科学 2025-05-13 Ming Zeng , Xingwang Li , Ji Wang , Gaojian Huang , Octavia A. Dobre , Zhiguo Ding

Pinching antenna system (PASS) configures the positions of pinching antennas (PAs) along dielectric waveguides to change both large-scale fading and small-scale scattering, which is known as pinching beamforming. A novel non-orthogonal…

信息论 · 计算机科学 2025-06-04 Deqiao Gan , Xiaoxia Xu , Jiakuo Zuo , Xiaohu Ge , Yuanwei Liu

In this letter, we investigate a non-orthogonal multiple access (NOMA) assisted downlink pinching-antenna system. Leveraging the ability of pinching antennas to flexibly adjust users' wireless channel conditions, we formulate an…

信息论 · 计算机科学 2025-04-22 Ziwu Zhou , Zheng Yang , Gaojie Chen , Zhiguo , Ding

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

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…

信息论 · 计算机科学 2025-09-17 Guangji Chen , Qingqing Wu , Kangda Zhi , Xidong Mu , Yuanwei Liu

A novel pinching antenna system (PASS) enabled wireless power transfer (WPT) framework is proposed, where energy harvesting receivers (EHRs) and information decoding receivers (IDRs) coexist. By activating pinching antennas (PAs) near both…

信号处理 · 电气工程与系统科学 2025-11-17 Deqiao Gan , Xiaoxia Xu , Xiaohu Ge , Yue Liu , Yuanwei Liu

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 the integration of pinching-antenna systems (PASS) with orthogonal frequency division multiplexing (OFDM) to ensure their compatibility and to explore the frequency-selective behavior inherent to PASS. First, an…

信息论 · 计算机科学 2025-10-17 Jian Xiao , Ji Wang , Ming Zeng , Yuanwei Liu , George K. Karagiannidis

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…

信号处理 · 电气工程与系统科学 2024-12-19 Kaidi Wang , Zhiguo Ding , Robert Schober

A segmented waveguide-enabled pinching-antenna system (SWAN) is proposed, in which a segmented waveguide composed of multiple short dielectric waveguide segments is employed to radiate or receive signals through the pinching antennas (PAs)…

信号处理 · 电气工程与系统科学 2025-09-16 Chongjun Ouyang , Hao Jiang , Zhaolin Wang , Yuanwei Liu , Zhiguo Ding

As next-generation wireless networks emerge, security is becoming a critical performance metric. However, conventional multiple-input-multiple-output (MIMO) systems often suffer from severe path loss and are vulnerable to nearby…