77 citations · 116 across the 23 of their papers we have counts for
9 papers · 1 filter
Diversity and Multiplexing for Continuous Aperture Array (CAPA)-Based Communications
Chongjun Ouyang, Zhaolin Wang, Xingqi Zhang +1
A general fading model for multipath channels between two non-parallel continuous-aperture arrays (CAPAs) is proposed. Building on this model, the performance of diversity and mult…
Performance Analysis of Physical Layer Security: From Far-Field to Near-Field
Boqun Zhao, Chongjun Ouyang, Xingqi Zhang +1
The secrecy performance in both near-field and far-field communications is analyzed using two fundamental metrics: the secrecy capacity under a power constraint and the minimum pow…
Continuous-Aperture Array (CAPA)-Based Wireless Communications: Capacity Characterization
Boqun Zhao, Chongjun Ouyang, Xingqi Zhang +1
The capacity limits of continuous-aperture array (CAPA)-based wireless communications are characterized. To this end, an analytically tractable transmission framework is establishe…
Aperture Selection for CAP Arrays (CAPAs)
Chongjun Ouyang, Yuanwei Liu, Xingqi Zhang
The concept of aperture selection is proposed for continuous aperture array (CAPA)-based communications. The achieved performance is analyzed in an uplink scenario by considering b…
On the Performance of Continuous Aperture Array (CAPA)-Based Wireless Communications
Chongjun Ouyang, Yuanwei Liu, Xingqi Zhang
The performance of continuous aperture array (CAPA)-based wireless communications is analyzed in an uplink scenario. An analytical framework is proposed to characterize uplink CAPA…
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…
Channel Capacity of Near-Field Line-of-Sight Multiuser Communications
Boqun Zhao, Chongjun Ouyang, Xingqi Zhang +1
The channel capacity of near-field (NF) communications is characterized by considering three types of line-of-sight multiuser channels: i) multiple access channel (MAC), ii) broadc…
On the Impact of Reactive Region on the Near-Field Channel Gain
Chongjun Ouyang, Zhaolin Wang, Boqun Zhao +2
The near-field channel gain is analyzed by considering both radiating and reactive components of the electromagnetic field. Novel expressions are derived for the channel gains of s…
Performance Analysis of Holographic MIMO Based Integrated Sensing and Communications
Boqun Zhao, Chongjun Ouyang, Xingqi Zhang +1
A holographic multiple-input multiple-output (MIMO)-based integrated sensing and communications (ISAC) framework is proposed for both downlink and uplink scenarios. The spatial cor…