74 citations · 126 across the 23 of their papers we have counts for
6 papers · 1 filter
Holography inspired self-controlled reconfigurable intelligent surface
Jieao Zhu, Ze Gu, Qian Ma +2
Among various promising candidate technologies for the sixth-generation (6G) wireless communications, recent advances in microwave metasurfaces have sparked a new research area of…
Enhancing Energy Efficiency for Reconfigurable Intelligent Surfaces with Practical Power Models
Zhiyi Li, Jida Zhang, Jieao Zhu +2
Reconfigurable intelligent surfaces (RISs) are widely considered a promising technology for future wireless communication systems. As an important indicator of RIS-assisted communi…
The Manifestation of Spatial Wideband Effect in Circular Array: From Beam Split to Beam Defocus
Zidong Wu, Linglong Dai
Millimeter-wave (mmWave) and terahertz (THz) communications with hybrid precoding architectures have been regarded as energy-efficient solutions to fulfill the vision of high-speed…
Location Division Multiple Access for Near-Field Communications
Zidong Wu, Linglong Dai
Spatial division multiple access (SDMA) is essential to improve the spectrum efficiency for multi-user multiple-input multiple-output (MIMO) communications. The classical SDMA for…
Reconfigurable Intelligent Computational Surfaces: When Wave Propagation Control Meets Computing
Bo Yang, Xuelin Cao, Jindan Xu +6
The envisioned sixth-generation (6G) of wireless networks will involve an intelligent integration of communications and computing, thereby meeting the urgent demands of diverse app…
Beam Squint in Ultra-wideband mmWave Systems: RF Lens Array vs. Phase-Shifter-Based Array
Sang-Hyun Park, Byoungnam Kim, Dong Ku Kim +3
In this article, we discuss the potential of radio frequency (RF) lens for ultra-wideband millimeter-wave (mmWave) systems. In terms of the beam squint, we compare the proposed RF…