Space-time-coding digital metasurfaces [PDF]
Nature Communications, 2018 Current digital coding metasurfaces are only space-encoded. Here, the authors propose space-time modulated digital coding metasurfaces to obtain simultaneous manipulations of electromagnetic waves and present harmonic beam steering, beam shaping, and ...
Lei Zhang +11 more
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Asynchronous Space‐Time‐Coding Digital Metasurface [PDF]
Advanced Science, 2022 Recent progress in space‐time‐coding digital metasurface (STCM) manifests itself a powerful tool to engineer the properties of electromagnetic (EM) waves in both space and time domains, and greatly expands its capabilities from the physical manipulation ...
Si Ran Wang +4 more
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Space-Time-Coding Digital Metasurfaces: Principles and Applications [PDF]
Research, 2021 Space-time-modulated metastructures characterized by spatiotemporally varying properties have recently attracted great interest and become one of the most fascinating and promising research fields.
Lei Zhang, Tie Jun Cui
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Generalized PSK in Space Time Coding [PDF]
IEEE Transactions on Communications, 2004 A wireless communication system using multiple antennas promises reliable transmission under Rayleigh flat fading assumptions. Design criteria and practical schemes have been presented for both coherent and non-coherent communication channels.
Han, Guangyue
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Inter-Multilevel Super-Orthogonal Space–Time Coding Scheme for Reliable ZigBee-Based IoMT Communications [PDF]
Sensors, 2022 The Internet of Things (IoT) technology has revolutionized the healthcare industry by enabling a new paradigm for healthcare delivery. This paradigm is known as the Internet of Medical Things (IoMT).
Shang-Chih Ma +7 more
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Toward Sub‐Terahertz: Space‐Time Coding Metasurface Transmitter for Wideband Wireless Communications [PDF]
Advanced Science, 2023 A space‐time coding metasurface (STCM) operating in the sub‐terahertz band to construct new‐architecture wireless communication systems is proposed. Specifically, a programmable STCM is designed with varactor‐diode‐tuned metasurface elements, enabling ...
Yujie Liu +12 more
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High-Rate Redundant Space-Time Coding [PDF]
Journal of Electrical and Computer Engineering, 2010 We present a new space-time encoder based on packet-level redundancy which can increase the space-time encoder rate beyond unity without compromising diversity gains.
Jawad Manssour +2 more
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Beam Scanning with Ultra‐Low Sidelobes and In‐Band Ultra‐Low Scattering Characteristics Empowered by Single Space‐Time‐Coding Radiation‐Scattering Metasurface [PDF]
Advanced ScienceThe integrated modulation of radiation and scattering provides an unprecedented opportunity to reduce the number of electromagnetic (EM) apertures in the platform while simultaneously enhancing communication and stealth performance.
Lixin Jiang +13 more
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Integrated sensing and communication based on space-time-coding metasurfaces [PDF]
Nature CommunicationsProgrammable metasurfaces (PMs), also called reconfigurable intelligent surfaces (RISs), are planar structures capable of dynamically manipulating electromagnetic waves in real-time.
Xiao Qing Chen +8 more
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Co-Efficient Vector Based Differential Distributed Quasi-Orthogonal Space Time Frequency Coding
Sensors, 2023 Distributed space time frequency coding (DSTFC) schemes address problems of performance degradation encountered by cooperative broadband networks operating in highly mobile environments.
Nnamdi Nwanekezie +3 more
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