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The fundamental sensing limit of pinching-antenna systems (PASS) is studied from a Bayesian Cram\'er-Rao bound (BCRB) perspective. Compared to conventional CRB, BCRB is independent of the exact values of sensing parameters and is not…

Signal Processing · Electrical Eng. & Systems 2025-10-13 Hao Jiang , Chongjun Ouyang , Zhaolin Wang , Yuanwei Liu , Arumugam Nallanathan , Zhiguo Ding

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…

Information Theory · Computer Science 2025-10-17 Jian Xiao , Ji Wang , Ming Zeng , Yuanwei Liu , George K. Karagiannidis

The joint transmit and pinching beamforming design for spectral efficiency (SE) and energy efficiency (EE) tradeoff in pinching-antenna systems (PASS) is proposed, under practical channel and energy consumption models. In the single-user…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Zihao Zhou , Zhaolin Wang , Yuanwei Liu

Over-the-air computation (AirComp) enables fast data aggregation for edge intelligence applications. However the performance of AirComp can be severely degraded by channel misalignments. Pinching antenna systems (PASS) have recently emerged…

Information Theory · Computer Science 2025-05-13 Zhonghao Lyu , Haoyun Li , Yulan Gao , Ming Xiao , H. Vincent Poor

Movable antenna (MA) is a promising technology to improve wireless communication performance by varying the antenna position in a given finite area at the transceivers to create more favorable channel conditions. In this paper, we…

Information Theory · Computer Science 2024-03-26 Lipeng Zhu , Wenyan Ma , Boyu Ning , Rui Zhang

In this paper, a novel pinching antenna-aided spatial multiplexing (PASM) architecture is conceived, which intrinsically amalgamates the benefits of flexible radiating element placement with radio-frequency (RF) chain transmission.…

Signal Processing · Electrical Eng. & Systems 2026-04-30 Ruijie Li , Yue Xiao , Shuaixin Yang , Gang Wu , Xianfu Lei , Ming Xiao

We study a coordinated multi-point (CoMP) transmission where two base stations (BSs), each supported by a pinching antenna system (PASS), are deployed to jointly serve communication users under spatial division multiple access (SDMA)…

Signal Processing · Electrical Eng. & Systems 2025-10-29 Ali Amhaz , Shreya Khisa , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

Rate-Splitting Multiple Access (RSMA), relying on multi-antenna Rate-Splitting (RS) techniques, has emerged as a powerful strategy for multi-user multi-antenna systems. In this paper, RSMA is introduced as a unified multiple access for…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Chengcheng Xu , Bruno Clerckx , Shiwa Chen , Yijie Mao , Jianyun Zhang

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

Pinching antennas (PAs), as an emerging flexible-antenna technology, enables movable PAs deployed along waveguides to customize channel conditions over a large scale. This paper investigates an application of PAs to enable physical-layer…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Yang Lu , Xinke Xie , Yanqing Xu , Bo Ai , Octavia A. Dobre , Dusit Niyato

A generalized framework for the novel center-fed pinching antenna system (C-PASS) is proposed. Within this framework, closed-form expressions for the degree of freedom (DoF) and power scaling law of the proposed C-PASS are first derived.…

Information Theory · Computer Science 2026-02-17 Xu Gan , Yuanwei Liu

Pinching antennas systems (PASSs) have recently been proposed as a novel flexible-antenna technology. These systems are implemented by attaching low-cost pinching elements to dielectric waveguides. As the direct link is bypassed through…

Information Theory · Computer Science 2026-02-17 Saba Asaad , Ali Bereyhi

Pinching antennas have emerged as a promising technology for reconfiguring wireless propagation environments, particularly in high-frequency communication systems operating in the millimeter-wave and terahertz bands. By enabling dynamic…

Information Theory · Computer Science 2025-06-09 Ming Zeng , Ji Wang , Octavia A. Dobre , Zhiguo Ding , George K. Karagiannidis , Robert Schober , H. Vincent Poor

The integration of pinching antenna systems with non-orthogonal multiple access (NOMA) has emerged as a promising technique for future 6G applications. This paper is the first to investigate power minimization for NOMA-assisted pinching…

Information Theory · Computer Science 2025-03-28 Yaru Fu , Fuchao He , Zheng Shi , Haijun Zhang

Flexible-antenna systems have recently received significant research interest due to their capability to reconfigure wireless channels intelligently. This paper focuses on a new type of flexible-antenna technology, termed pinching antennas,…

Information Theory · Computer Science 2024-12-04 Zhiguo Ding , Robert Schober , H. Vincent Poor

Pinching antenna (PA) systems have recently emerged as a promising architecture for reconfigurable wireless communications by enabling flexible antenna placement along a dielectric waveguide. However, existing works typically assume perfect…

Information Theory · Computer Science 2026-04-14 Hao Feng , Ebrahim Bedeer , Ming Zeng , Xingwang Li , Wanming Hao , Dingzhu Wen

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,…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Yanqing Xu , Zhiguo Ding , Robert Schober , Tsung-Hui Chang

This paper investigates a movable antenna (MA)-enabled wireless-powered communication network (WPCN), where multiple wireless devices (WDs) first harvest energy from the downlink (DL) signal broadcast by a hybrid access point (HAP) and then…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Ying Gao , Qingqing Wu , Wen Chen

Pinching antenna systems (PASSs) can dynamically adapt their transmit and receive arrays for sensing and communication in wireless systems. This work explores the potential of PASSs for integrated sensing and communication (ISAC) by…

Information Theory · Computer Science 2026-03-18 Saba Asaad , Chongjun Ouyang , Zhiguo Ding , Ali Bereyhi

The pinching-antenna system (PASS) introduces new degrees of freedom (DoFs) for physical layer security (PLS) through pinching beamforming. In this paper, a couple of scenarios for secure beamforming for PASS are studied. 1) For the case…

Signal Processing · Electrical Eng. & Systems 2025-07-04 Mingjun Sun , Chongjun Ouyang , Shaochuan Wu , Yuanwei Liu
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