Results 171 to 180 of about 202,998 (281)

Design and analysis of modified octagonal ring-shaped MIMO antenna with connected ground for 5G sub-6 GHz n79, Wi-Fi 5, and Wi-Fi 6E band applications. [PDF]

Sci Rep
Addepalli T, Medasani S, Sathish K, Kumar JP, Balaji M, Kumar R, Kumar A, Singh DK, Sharma M, Pandey A.   +9 more
europepmc   +1 more source

Multi‐Functional Smart Skin for High‐Efficiency Energy‐Saving Buildings

Advanced Science, EarlyView.
A scalable multifunctional smart skin (MSS) with broadband modulation, zero‐energy input controllable operation mode, and thermal insulation is designed by assembling thermal managing unit of high solar reflectance and low thermal conductivity and actuation unit of multi‐responsive shape‐memory effect.
Zongxu Na, Li Yu, Bo Lu, Jing Li, Xianyang Yue, Qian Wang   +5 more
wiley   +1 more source

Meta-lens-based circularly polarized fixed-beam antenna for high-gain wideband millimeter-wave applications. [PDF]

Sci Rep
Ullah U, Koziel S, Pietrenko-Dabrowsks A.   +2 more
europepmc   +1 more source

Hybrid Spring‐Coupled Broadband Energy Harvester Integrated with CuSCN Functionalized Triboelectric Vibration Sensor for Self‐Sustainable Vehicular IoTs

Advanced Science, EarlyView.
A self‐sustainable vehicular vibration and indoor environment monitoring IoT platform is developed which integrates a hybrid spring‐coupled broadband energy harvester with a machine learning‐assisted PAN‐CuSCN nanofiber triboelectric vibration sensor for subtle‐to‐wide‐range vibration detection and road/speed classification.
Trilochan Bhatta, Gagan Bahadur Pradhan, Shital Sharma, MoonSeong Jo, Aklesh Teli, Hochan Chang, Jae Yeong Park   +6 more
wiley   +1 more source

Ultra-wideband reflective polarization rotator achieving 104% measured bandwidth with high-efficiency multi-state polarization control. [PDF]

Sci Rep
Baki AKM, Hasan MS, Chowdhury AR, Al-Amin MR, Ghadimi A, Baladi E.   +5 more
europepmc   +1 more source

A General and Efficient Framework for the Rapid Design of Miniaturized, Wideband, and High‐Bit RIS

Advanced Electronic Materials, EarlyView.
A general and efficient framework is proposed for the rapid design of high‐performance reconfigurable intelligent surfaces (RISs). This framework integrates advanced antenna design techniques and incorporates various load types, quantities, and values to achieve the design of high‐performance RISs.
Jun Wei Zhang, Zheng Xing Wang, Wanwan Cao, Zhen Jie Qi, Li Jie Wu, Han Qing Yang, Qun Yan Zhou, Si Ran Wang, Hui Dong Li, Jun Yan Dai, Jiang Luo, Jun Wei Wu, Jia Nan Zhang, Zhen Zhang, Qiang Cheng   +14 more
wiley   +1 more source

Single-layer quad-band FSR with enhanced angular stability for S- and C-band applications. [PDF]

Sci Rep
Malekara A, Ghobadi C, Nourinia J, Khalilzadegan A.   +3 more
europepmc   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

A 2-6 GHz Ultra-Wideband Shared-Aperture Antenna Array for 5G Multi-Band Base Station. [PDF]

Micromachines (Basel)
Yang L, He J, Gao Y, Wang Y, Wang J.
europepmc   +1 more source

Recent Advances in Programmable Metasurfaces and Meta‐Devices

Advanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao, Chong He, Nan Wang, Liming Si, Weiren Zhu   +4 more
wiley   +1 more source