2 citations · 3 across the 11 of their papers we have counts for
11 papers · 1 filter
Optimal Uplink Pinching-Antenna Activation
Zhenqiao Cheng, Chongjun Ouyang
An uplink multiuser pinching-antenna system (PASS) is considered, where multiple dielectric waveguides are deployed at the base station and one pinching antenna (PA) is activated o…
Fast Pinching-Antenna Activation for AirComp
Zhenqiao Cheng, Boqun Zhao, Chongjun Ouyang +1
A pinching-antenna system (PASS) is considered for over-the-air computation (AirComp). Multiple dielectric waveguides are deployed at the base station, and one pinching antenna (PA…
Beamforming Gain with Single-RF Movable Arrays
Zhenqiao Cheng, Chongjun Ouyang, Hao Jiang +2
A single-radio-frequency (RF) movable array is investigated, in which all movable elements are driven by a single RF chain with equal amplitude and equal phase. The achievable beam…
Optimal Analog Beamforming and Power Allocation for Multiuser TDMA Systems
Songnan Gu, Chongjun Ouyang, Hao Jiang +1
The joint design of analog beamforming and power allocation is investigated for a single radio-frequency chain multiuser time-division multiple access system under a max-min signal…
Pinching Antennas for Multiple Access in Multigroup Multicast Communications
Shan Shan, Chongjun Ouyang, Yong Li +1
This paper aims to design multiple access (MA) schemes to improve the max-min fairness (MMF) for pinching antennas (PAs)-based multigroup multicast communications, where PA placeme…
On the Performance of Tri-Hybrid Beamforming Using Pinching Antennas
Zhenqiao Cheng, Chongjun Ouyang, Nicola Marchetti
The Pinching-Antenna System (PASS) reconfigures wireless channels through \emph{pinching beamforming}, in which the active positions of pinching antennas (PAs) along dielectric wav…
Movable Antenna Aided Physical Layer Security with No Eavesdropper CSI
Zhenqiao Cheng, Chongjun Ouyang, Xingqi Zhang
A novel movable antenna (MA)-aided secure transmission framework is proposed to enhance the secrecy transmission rate without relying on the eavesdropper's channel state informatio…
Secure Wireless Communications via Frequency Diverse Arrays
Zhenqiao Cheng, Chongjun Ouyang, Xingqi Zhang
A novel frequency diverse array (FDA)-assisted secure transmission framework is proposed, which leverages additional frequency offsets to enhance physical layer security. Specifica…
Exploiting Movable Antennas in Multicast Communications
Zhenqiao Cheng, Nanxi Li, Jianchi Zhu +2
This article investigates the integration of movable antennas (MAs) into multicast communication systems. By discretizing the motion of the MAs, a novel MA-assisted multicast trans…
Enabling Secure Wireless Communications via Movable Antennas
Zhenqiao Cheng, Nanxi Li, Jianchi Zhu +3
A pioneering secure transmission scheme is proposed, which harnesses movable antennas (MAs) to optimize antenna positions for augmenting the physical layer security. Particularly,…
Movable Antennas-Assisted Over-the-Air Computation: Dynamic and Static Design
Zhenqiao Cheng, Nanxi Li, Jianchi Zhu +3
A novel over-the-air computation (AirComp) framework empowered by movable antennas (MAs) is proposed to significantly enhance computation accuracy. Within this framework, the joint…