Co‐Prime Modulation for Space‐Time‐Coding Digital Metasurfaces with Ultralow‐Scattering Characteristics
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202314110
Abstract: Multi‐dimensional modulation of electromagnetic (EM) waves is critical in various fields such as electronic and photonic systems. Space‐time‐coding (STC) digital metasurfaces, an innovative platform for programmable metasurfaces, offer a straightforward and robust solution for spatio‐temporal… read more here.
Keywords: prime modulation; time coding; space; digital metasurfaces ... See more keywords
Machine‐Learning‐Enabled Multi‐Frequency Synthesis of Space‐Time‐Coding Digital Metasurfaces
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202403577
Abstract: Digital metasurfaces based on space‐time coding have established themselves as a powerful and versatile platform for joint spatial/spectral control of electromagnetic waves. However, their advanced design remains a largely open problem with significant computational challenges.… read more here.
Keywords: digital metasurfaces; multi frequency; time coding; space time ... See more keywords
Joint Control of Radiated and Surface Waves via Space‐Time Coding Metasurfaces
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202519200
Abstract: Digitally programmable metasurfaces, also known as reconfigurable intelligent surfaces (RISs), are emerging as key enablers of smart radio environments by offering dynamic control over electromagnetic wave propagation. Space‐time coding metasurfaces, in particular, allow simultaneous manipulation… read more here.
Keywords: time coding; space; control; surface ... See more keywords
Amplification and Manipulation of Nonlinear Electromagnetic Waves and Enhanced Nonreciprocity using Transmissive Space‐Time‐Coding Metasurface
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202105960
Abstract: A novel amplifier‐based transmissive space‐time‐coding metasurface is presented to realize strongly nonlinear controls of electromagnetic (EM) waves in both space and frequency domains, which can manipulate the propagation directions and adjust enhancements of nonlinear harmonic… read more here.
Keywords: space; power; time coding; space time ... See more keywords
Intelligent autoencoder for space-time-coding digital metasurfaces
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0132635
Abstract: Space-time-coding (STC) digital metasurfaces provide a powerful platform for simultaneous spatiotemporal modulations of electromagnetic waves. Therefore, the fast and accurate generation of STC matrices based on desired harmonic scattering patterns can help STC metasurfaces enhance… read more here.
Keywords: autoencoder; physics; digital metasurfaces; intelligent autoencoder ... See more keywords
Real Time Coding and Estimation of Linear Discrete Time System Over Networks
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3033620
Abstract: This study deals with the real time coding and estimation of linear discrete time scalar system over communication networks. With the mean-squared error (MSE) distortion criterion, the information rate distortion function describing the performance limit… read more here.
Keywords: system; time; time coding; real time ... See more keywords
Transmit Beamforming for ISAC Based on Space–Time Coding in MU-MIMO Scenario
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2025.3552419
Abstract: Integrated sensing and communication (ISAC) system utilizes multi-antenna arrays to transmit integrated signals, enabling multi-target sensing and simultaneous communication with multiple communication users (CUs). This requires the transmit signal to have sufficient degrees of freedom… read more here.
Keywords: communication; isac; time coding; space time ... See more keywords
Space-Time-Coding Digital Metasurface Element Design Based on State Recognition and Mapping Methods With CNN-LSTM-DNN
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2024.3349778
Abstract: Space-time-coding digital metasurface has drawn worldwide attention with the ability to improve communication quality and change the direction of electromagnetic (EM) wave propagation in real time. This article proposes a deep-learning-assisted method to design the… read more here.
Keywords: time coding; time; space time; state ... See more keywords
Differential Space-Time Coding Dispensing With Channel Estimation Approaches the Performance of Its Coherent Counterpart in the Open-Loop Massive MIMO-OFDM Downlink
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2018.2867528
Abstract: In this paper, we propose a simple yet powerful mapping scheme that converts any conventional square-matrix-based differential space-time coding (DSTC) into a nonsquare-matrix-based DSTC. This allows DSTC schemes to be used practically in open-loop large-scale… read more here.
Keywords: differential space; space; space time; time coding ... See more keywords
Efficient Implementation of Multiple Time Coding Lines-Based TDC in an FPGA Device
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2020.2984929
Abstract: This article presents two principles that make multiple time coding lines (TCLs)-based time-to-digital converter (TDC) implementation in field-programmable gate array (FPGA) device more efficient. A pseudo-segmented delay line allows for saving many logical resources by… read more here.
Keywords: implementation; time; time coding; multiple time ... See more keywords
Single-Receiver Space–Time Coding Antenna Array With Stepped-Frequency Synthesis for Ultrawideband Radar
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2025.3604079
Abstract: In recent years, space–time coding metasurfaces and antennas have attracted widespread attention in both radar and sensing technologies due to their low manufacturing costs, simple architecture, and the ability to eliminate reliance on numerous transmit–receive… read more here.
Keywords: system; radar; time coding; space time ... See more keywords