Results 1 to 10 of about 1,055,754 (142)

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, Ming Zheng Chen, Jun Chen Ke, Qiang Cheng, Tie Jun Cui   +4 more
doaj   +3 more sources

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
doaj   +2 more sources

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, Mohammad Alkhaleefah, Yang-Lang Chang, Joon Huang Chuah, Wen-Yen Chang, Chiung-Shen Ku, Meng-Che Wu, Lena Chang   +7 more
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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, Xiao Qing Chen, Shuo Liu, Qian Zhang, Jie Zhao, Jun Yan Dai, Guo Dong Bai, Xiang Wan, Qiang Cheng, Giuseppe Castaldi, Vincenzo Galdi, Tie Jun Cui   +11 more
doaj   +2 more sources

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, Yu Wang, Xiaojian Fu, Lei Shi, Fei Yang, Jiang Luo, Qun Yan Zhou, Yuan Fu, Qi Chen, Jun Yan Dai, Lei Zhang, Qiang Cheng, Tie Jun Cui   +12 more
doaj   +2 more sources

Beam Scanning with Ultra‐Low Sidelobes and In‐Band Ultra‐Low Scattering Characteristics Empowered by Single Space‐Time‐Coding Radiation‐Scattering Metasurface [PDF]

Advanced Science
The 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, Yongfeng Li, Hao Yang, Mingbao Yan, Jinming Jiang, Yunwei Zhang, Zhe Qin, Wanwan Yang, Hongya Chen, Yongqiang Pang, Zhihao Guo, Lin Zheng, Jiafu Wang, Shaobo Qu   +13 more
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Integrated sensing and communication based on space-time-coding metasurfaces [PDF]

Nature Communications
Programmable metasurfaces (PMs), also called reconfigurable intelligent surfaces (RISs), are planar structures capable of dynamically manipulating electromagnetic waves in real-time.
Xiao Qing Chen, Lei Zhang, Yi Ning Zheng, Shuo Liu, Zhuo Ran Huang, Jing Cheng Liang, Marco Di Renzo, Vincenzo Galdi, Tie Jun Cui   +8 more
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Amplification and Manipulation of Nonlinear Electromagnetic Waves and Enhanced Nonreciprocity using Transmissive Space-Time-Coding Metasurface. [PDF]

Adv Sci (Weinh), 2022
Wang X, Han J, Tian S, Xia D, Li L, Cui TJ.   +5 more
europepmc   +2 more sources

Space-frequency-polarization-division multiplexed wireless communication system using anisotropic space-time-coding digital metasurface. [PDF]

Natl Sci Rev, 2022
Ke JC, Chen X, Tang W, Chen MZ, Zhang L, Wang L, Dai JY, Yang J, Zhang JW, Wu L, Cheng Q, Jin S, Cui TJ.   +12 more
europepmc   +2 more sources

Blind Space Time Block Coding Categorization over AF Relaying Broadcasts

Applied Sciences, 2023
Categorization of space time block code (STBC) signals has become widely acknowledged as a crucial foundational mechanism for creating intelligent wireless transmissions in both the governmental and business sectors.
Mohamed Marey, Hala Mostafa
doaj   +1 more source