Results 231 to 240 of about 748,247 (314)

A Broadband MIMO Antenna Based on Multimodes for 5G Smartphone Applications

IEEE Antennas and Wireless Propagation Letters, 2023
In this letter, an eight-element broadband multiple-input–multiple-output (MIMO) antenna array with a simple structure based on multiple modes is presented, which covers 3.3–6 GHz for fifth-generation (5G) smartphone.
Aidi Ren, Haoran Yu, Lixia Yang, Zhixiang Huang, Zhanhao Zhang, Ying Liu   +5 more
semanticscholar   +1 more source

Low-Profile Broadband Metasurface Antenna Under Multimode Resonance

IEEE Antennas and Wireless Propagation Letters, 2021
A broadband metasurface antenna is proposed in this letter. The antenna is based on a nonperiodic metasurface. The modal behavior of the metasurface and the slot is analyzed using characteristic modes analysis (CMA).
Sihao Liu, Deqiang Yang, Yongpin Chen
exaly   +2 more sources

Broadband Magnetoelectric Dipole Filtering Antenna for 5G Application

IEEE Antennas and Wireless Propagation Letters, 2023
A magnetoelectric (ME) dipole filtering antenna with high out-of-band suppression level and high selectivity is proposed in this letter. The intrinsic radiation null of the traditional ME dipole antenna is used, which produces a good filtering response ...
Rongxu Hou, Jian Ren, Yan-Ting Liu, Yuanming Cai, Jianxiao Wang, Ying-Zheng Yin   +5 more
semanticscholar   +1 more source

A Broadband Circularly Polarized Antenna Based on Transparent Conformal Metasurface

IEEE Antennas and Wireless Propagation Letters, 2023
A circularly polarized antenna based on the transparent conformal polarization-conversion metasurface is proposed. The designed meta-surface unit is an ellipse rotating 45° with a rectangular slot.
Tian Liu, Lu Liu, Hongzhi Chen, Haoyuan Sun, Zhejun Jin, L. Chernogor, D. O. Batrakov, Zhongsen Sun   +7 more
semanticscholar   +1 more source

Design of Broadband Circularly Polarized All-Textile Antenna and Its Conformal Array for Wearable Devices

IEEE Transactions on Antennas and Propagation, 2022
A broadband circularly polarized (BCP) all-textile antenna and its wearable conformal antenna array (WCAA) are investigated for body-centric communications.
Hongcai Yang, Xiongying Liu, Yi Fan
semanticscholar   +1 more source

Prior-Knowledge-Guided Deep-Learning-Enabled Synthesis for Broadband and Large Phase Shift Range Metacells in Metalens Antenna

IEEE Transactions on Antennas and Propagation, 2022
A prior-knowledge-guided deep-learning-enabled (PK-DL) synthesis method is proposed for enhancing the transmission bandwidth and phase shift range of metacells used for the design of metalens antennas.
Peiqin Liu, Liushifeng Chen, Zhi Ning Chen   +2 more
semanticscholar   +1 more source

A tactical broadband omnidirectional antenna

2008 Asia-Pacific Microwave Conference, 2008
In this paper, a vertically polarized broadband antenna with an adjustable shape for specific applications in the VHF and UHF bands is proposed. This antenna is a compact monopole with a pseudo-conical shape set on a rectangular ground plane, partially made of wire netting.
Palud, Sébastien, Colombel, Franck, Himdi, Mohamed, Le Meins, Cyrille   +3 more
openaire   +2 more sources

A flexible broadband antenna for IoT applications

International journal of microwave and wireless technologies, 2020
A flexible broadband antenna with high radiation efficiency for the Internet of Things (IoT) applications is presented. The design is based on a U-shaped and a triangular-shaped radiator with two tuning stubs. A 50 Ω coplanar waveguide (CPW) transmission
A. Al‐Sehemi, A. Al-Ghamdi, N. Dishovsky, G. Atanasova, N. Atanasov   +4 more
semanticscholar   +1 more source

Broadband Low-RCS Circularly Polarized Antenna Realized by Nonuniform Metasurface

IEEE Antennas and Wireless Propagation Letters, 2022
A broadband circularly polarized metasurface antenna with low radar cross section (RCS) is proposed. Four metasurface elements are arranged orthogonally in a 2×2 array and fed with a 90° phase difference to achieve circular polarization radiation.
Xi Gao, Si-Yu Yin, Guofu Wang, Chunhua Xue, Xianming Xie   +4 more
semanticscholar   +1 more source

A Broadband Metasurface Antenna Array with Ultra-Wideband RCS Reduction

IEEE Transactions on Antennas and Propagation, 2022
In this paper, a metasurface-based antenna array with wideband radiation and broadband radar cross section (RCS) reduction is constructed. Without introducing additional radiators, the broadband radiation performance of the antenna array is achieved by ...
Lina Qiu, G. Xiao
semanticscholar   +1 more source