12 papers
Frequency-Selective Pinching-Antenna Systems
Chongjun Ouyang, Hao Jiang, Zhiguo Ding +1
An uplink pinching-antenna system (PASS) is considered, where a segmented dielectric waveguide is employed to serve multiple users and one pinching antenna (PA) is activated on eac…
On the Maintainability of Pinching-Antenna Systems: A Failure-Repair Perspective
Chongjun Ouyang, Hao Jiang, Zhaolin Wang +2
The pinching-antenna system (PASS) enables wireless channel reconfiguration through optimized placement of pinching antennas along dielectric waveguides. In this article, a unified…
Segmented Waveguide-Enabled Pinching-Antenna Systems (SWANs) for ISAC
Hao Jiang, Chongjun Ouyang, Zhaolin Wang +4
A segmented waveguide-enabled pinching-antenna system (SWAN)-assisted integrated sensing and communications (ISAC) framework is proposed. Unlike conventional pinching antenna syste…
Dynamic and Static Energy Efficient Design of Pinching Antenna Systems
Saba Asaad, Chongjun Ouyang, Ali Bereyhi +1
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 distributio…
Pinching-Antenna Assisted Sensing: A Bayesian Cramér-Rao Bound Perspective
Hao Jiang, Chongjun Ouyang, Zhaolin Wang +3
The fundamental sensing limit of pinching-antenna systems (PASS) is studied from a Bayesian Cramér-Rao bound (BCRB) perspective. Compared to conventional CRB, BCRB is independent o…
Uplink and Downlink Communications in Segmented Waveguide-Enabled Pinching-Antenna Systems (SWANs)
Chongjun Ouyang, Hao Jiang, Zhaolin Wang +2
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 rad…
Pinching Antenna System (PASS) Enhanced Covert Communications: Against Warden via Sensing
Hao Jiang, Zhaolin Wang, Yuanwei Liu +2
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…
Array Gain for Pinching-Antenna Systems (PASS)
Chongjun Ouyang, Zhaolin Wang, Yuanwei Liu +1
Pinching antennas is a novel flexible-antenna technology, which can be realized by employing small dielectric particles on a waveguide. The aim of this letter is to characterize th…
Unveiling the Potential of NOMA: A Journey to Next Generation Multiple Access
Adeel Ahmed, Wang Xingfu, Ammar Hawbani +8
Revolutionary sixth-generation wireless communications technologies and applications, notably digital twin networks (DTN), connected autonomous vehicles (CAVs), space-air-ground in…
CAPA: Continuous-Aperture Arrays for Revolutionizing 6G Wireless Communications
Yuanwei Liu, Chongjun Ouyang, Zhaolin Wang +3
In this paper, a novel continuous-aperture array (CAPA)-based wireless communication architecture is proposed, which relies on an electrically large aperture with a continuous curr…
The Road to Next-Generation Multiple Access: A 50-Year Tutorial Review
Yuanwei Liu, Chongjun Ouyang, Zhiguo Ding +1
The evolution of wireless communications has been significantly influenced by remarkable advancements in multiple access (MA) technologies over the past five decades, shaping the l…
Active Simultaneously Transmitting and Reflecting Surface Assisted NOMA Networks
Xinwei Yue, Jin Xie, Chongjun Ouyang +3
The novel active simultaneously transmitting and reflecting surface (ASTARS) has recently received a lot of attention due to its capability to conquer the multiplicative fading los…