6 citations · 8 across the 13 of their papers we have counts for
14 papers
Near-Field MMSE Channel Estimation for THz RIS-aided Communications with Electromagnetic Interference
Wen-Xuan Long, Marco Moretti, Giacomo Bacci +1
This letter investigates the channel estimation problem in THz wireless communications where a RIS is employed to assist wireless transmission between different devices. Unlike exi…
Doppler-Robust Vortex Wavefront Design for Integrated Sensing and Communication
Yuan Liu, Wen-Xuan Long, M. R. Bhavani Shankar +3
Integrated sensing and communication (ISAC) is a promising paradigm for future wireless systems due to spectrum reuse, hardware sharing, and joint waveform design. In dynamic scene…
Multibeam High Throughput Satellite: Hardware Foundation, Resource Allocation, and Precoding
Rui Chen, Wen-Xuan Long, Bing-Qian Wang +5
With its wide coverage and uninterrupted service, satellite communication is a critical technology for next-generation 6G communications. High throughput satellite (HTS) systems, u…
Channel Estimation for 6G Near-Field Wireless Communications: A Comprehensive Survey
Wen-Xuan Long, Shengyu Ye, Marco Moretti +4
The sixth-generation (6G) wireless systems are expected to adopt extremely large aperture arrays (ELAAs), novel antenna architectures, and operate in extremely high-frequency bands…
Parametric Near-Field MMSE Channel Estimation for sub-THz XL-MIMO Systems
Wen-Xuan Long, Marco Moretti, Michele Morelli +2
Accurate channel estimation is essential for reliable communication in sub-THz extremely large (XL) MIMO systems. Deploying XL-MIMO in high-frequency bands not only increases the n…
MMSE Design of RIS-aided Communications
Wen-Xuan Long, Marco Moretti, Andrea Abrardo +2
Consider a communication system in which a single antenna user equipment exchanges information with a multi-antenna base station via a reconfigurable intelligent surface (RIS) in t…
Joint OAM Radar-Communication Systems: Target Recognition and Beam Optimization
Wen-Xuan Long, Rui Chen, Marco Moretti +2
Orbital angular momentum (OAM) radars are able to estimate the azimuth angle and the rotation velocity of multiple targets without relative motion or beam scanning. Moreover, OAM w…
Hybrid Mechanical and Electronic Beam Steering for Maximizing OAM Channel Capacity
Rui Chen, Zhenyang Tian, Wen-Xuan Long +2
Radio frequency-orbital angular momentum (RF-OAM) is a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectrum efficiencies.…
Broadband beam steering for misaligned multi-mode OAM communication systems
Zhengjuan Tian, Rui Chen, Wen-Xuan Long +2
Orbital angular momentum (OAM) at radio frequency (RF) has attracted more and more attention as a novel approach of multiplexing a set of orthogonal OAM modes on the same frequency…
Radio-Frequency Multi-Mode OAM Detection Based on UCA Samples Learning
Jiabei Fan, Rui Chen, Wen-Xuan Long +2
Orbital angular momentum (OAM) at radio-frequency provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectral efficie…
Joint Spatial Division and Coaxial Multiplexing for Downlink Multi-User OAM Wireless Backhaul
Wen-Xuan Long, Rui Chen, Marco Moretti +2
Orbital angular momentum (OAM) at radio frequency (RF) provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectral ef…
A Promising Technology for 6G Wireless Networks: Intelligent Reflecting Surface
Wen-Xuan Long, Rui Chen, Marco Moretti +2
The intelligent information society, which is highly digitized, intelligence inspired and globally data driven, will be deployed in the next decade. The next 6G wireless communicat…
AoA Estimation for OAM Communication Systems With Mode-Frequency Multi-Time ESPRIT Method
Wen-Xuan Long, Rui Chen, Marco Moretti +1
Radio orbital angular momentum (OAM) communications require accurate alignment between the transmit and receive beam directions. Accordingly, a key feature of OAM receivers is the…
Multi-mode OAM Radio Waves: Generation, Angle of Arrival Estimation and Reception With UCAs
Rui Chen, Wen-Xuan Long, Xiaodong Wang +1
Orbital angular momentum (OAM) at radio frequency (RF) provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectrum ef…