Explanipedia

Anisotropic Strain Induced Fracture of Ni(Oh)2 Nanosheet Electrodes Through a Charge-Ordered Mixed-Valent Intermediate Open

Xu Qinghai, Qing‐Xin Chu, Ying Su, Xiaofeng Wang, Yong Zhou , et al. · 2023

Antenna Decoupling Based on Characteristic Modes Cancellation Open

Qing‐Xin Chu, Wen‐Feng Zeng · 2022

The demand for a high transmission data rate in 5G leads to the wide application of the multi-input, multi-output (MIMO) technique. However, the narrow design space in mobile phone causes severe unexpected coupling between antenna units an…

Design of broadband dual‐polarized planar antenna with triple radiators Open

Rui Wu, Fu‐Chang Chen, Quan Xue, Qing‐Xin Chu · 2022

A wideband dual‐polarized planar antenna with triple radiators is proposed for the LTE600/LTE700/GSM850/GSM900 base station in this paper. A novel concept of multi‐radiator for multi‐resonance by close coupling feed is presented and analys…

Organizing Committee Open

Hang Wong, Tao Yuan, Jianhua Lü, Wenhua Ding, Weixin Xie , et al. · 2021

An Artificial Anisotropy Four-Step HIE-FDTD Method With Lower Numerical Dispersion Error Open

Yong‐Dan Kong, Chu-Bin Zhang, Hongyu Zhang, Qing‐Xin Chu · 2020

In this article, by introducing artificial anisotropic (AA) parameters in the four-step hybrid implicit-explicit finite-difference time domain (HIE-FDTD) method, an AA four-step HIE-FDTD method is proposed, which can reduce the numerical d…

A Miniaturized Wideband Dual-Polarized Antenna Based on Mode-Control Principle for Base-Station Applications Open

Dongze Zheng, Yu Luo, Qing‐Xin Chu · 2020

In this paper, a miniaturized wideband dual-polarized antenna and its array are proposed and demonstrated for practical base-station applications. “Mode-control” principle is employed to facilitate both miniaturization and bandwidth-enhanc…

Broadband multimode antenna and its array for wireless communication base stations Open

Rui Wu, Qing‐Xin Chu · 2019

A wideband dual‐polarized antenna coupling cross resonator is proposed for LTE700/GSM850/GSM900 base stations. An additional resonance is introduced to obtain strong coupling between the dipole and resonator. Moreover, the input impedance …

DESIGN OF X-BAND INTEGRATED FILTERING PYRAMIDAL HORN ANTENNA Open

Yun Wang, Fu‐Chang Chen, Qing‐Xin Chu · 2019

A NOVEL FOUR-STEP WEAKLY CONDITIONALLY STABLE HIE-FDTD ALGORITHM AND NUMERICAL ANALYSIS Open

Yong‐Dan Kong, Chu-Bin Zhang, M.I. Lai, Qing‐Xin Chu · 2019

Novel Filtering 180° Hybrid Coupler and Its Application to $2 \times4$ Filtering Butler Matrix Open

Qiang Shao, Fu‐Chang Chen, Qing‐Xin Chu, M.J. Lancaster · 2018

In this paper, a novel filtering 180° hybrid coupler is proposed and used to design a 2 × 4 filtering Butler matrix. The filtering 180° hybrid coupler can provide power division and phase shift together with a second-order bandpass transfe…

Multi‐mode broadband antenna for 2G/3G/LTE/5G wireless communication Open

Rui Wu, Qing‐Xin Chu · 2018

A broadband dual‐polarised antenna for 2G/3G/LTE/5G wireless communication is proposed. A new resonant mode is induced with parasitic resonator loaded inside the loop radiator. Wide impedance bandwidth of 72.2% for VSWR<2 (1.69–3.6 GHz) is…

Low-Cost X/Ku/Ka-Band Dual-Polarized Array With Shared Aperture Open

Chunxu Mao, Steven Gao, Qi Luo, Tobias Rommel, Qing‐Xin Chu · 2017

This paper presents a novel tri-band (X/Ku/Ka-band) planar antenna array with dual polarizations and shared aperture. Compared with traditional dual-polarized arrays, the proposed array has advantages of low cost, low profile, and high int…

A Wideband Differentially Fed Dual-Polarized Antenna with Stable Radiation Pattern for Base Stations Open

Ding-Liang Wen, Dongze Zheng, Qing‐Xin Chu · 2017

© 1963-2012 IEEE. A new wideband differentially fed dual-polarized antenna with stable radiation pattern for base stations is proposed and studied. A cross-shaped feeding structure is specially designed to fit the differentially fed scheme…

NOVEL CIRCULARLY POLARIZED SIW CAVITY-BACKED ANTENNA WITH WIDE CP BEAMWIDTH BY USING DUAL ORTHOGONAL SLOT SPLIT RINGS Open

Jian‐Quan Huang, Dajun Lei, Chunzhi Jiang, Zhenhua Tang, Feng Qiu , et al. · 2017

Triple-Mode Cavity Bandpass Filter on Doublet With Controllable Transmission Zeros Open

Zai‐Cheng Guo, Sai‐Wai Wong, Jing‐Yu Lin, Lei Zhu, Qing‐Xin Chu , et al. · 2017

On the basis of doublet and its properties, a class of multiple-mode narrow band bandpasss filter is designed and fabricated by simultaneously exploiting the three resonant modes in a single rectangular cavity: TE101, TE011, and TM110 mode…

Individually Frequency Tunable Dual- and Triple-band Filters in a Single Cavity Open

Sai‐Wai Wong, Feiqi Deng, Yuming Wu, Jing‐Yu Lin, Lei Zhu , et al. · 2017

This paper presents a new class of second-order individually and continuously tunable dual- and triple-band bandpass filters in a single metal cavity. Each passband is realized by two identical metal posts. These dual- and triple-band tuna…

A New Compact and High Gain Circularly-Polarized Slot Antenna Array for Ku-Band Mobile Satellite TV Reception Open

Jian‐Quan Huang, Feng Qiu, Wei Lin, Zheng-Hua Tang, Dajun Lei , et al. · 2017

A compact and high-gain SIW-fed circularly polarized (CP) slot-antenna array with a stacked feed structure is presented for the application of Ku-band high-data-rate satellite communications. First, a novel probe-fed SIW cavity with four s…

Extending Bandwidth of Antennas With Coupling Theory for Characteristic Modes Open

Jiang‐Feng Lin, Qing‐Xin Chu · 2017

Basing on the characteristic mode theory, this paper develops the concepts of source-mode (SM) couplings and mode-mode (MM) couplings, which characterized by the modal weighting coefficients and the inter-modal coupling coefficients, respe…

Compact Highly Integrated Planar Duplex Antenna for Wireless Communications Open

Chunxu Mao, Steven Gao, Yi Wang, Fan Qin, Qing‐Xin Chu · 2016

This paper proposes a novel concept of an integrated duplex antenna for realizing a compact multifunction RF front end by integrating a duplexer and a dual-band patch antenna. First, an all-resonator-based duplexer is designed. It is compo…

An Integrated Filtering Antenna Array With High Selectivity and Harmonics Suppression Open

Chunxu Mao, Steven Gao, Yi Wang, Zhengpeng Wang, Fan Qin , et al. · 2016

In this paper, a new design of antenna array with integrated functions of filtering, harmonics suppression and radiation is proposed. The device employs a multi-port network of coupled resonators, which is synthesized and designed as a who…

ACCURATE EXTRACTION OF HIGH QUALITY FACTOR OF DIELECTRIC RESONATORS FROM MEASUREMENTS Open

Dajun Lei, Feng Qiu, Jinggui Zhang, Hui Dong, Zhenhua Tang , et al. · 2016

COMPACT COAXIAL PROBE-FED CP SUBSTRATE INTEGRATED WAVEGUIDE CAVITY-BACKED ANTENNA UTILIZING SLOT SPLIT RING Open

Jian‐Quan Huang, Feng Qiu, Chunzhi Jiang, Dajun Lei, Zheng-Hua Tang , et al. · 2016

A circularly polarized (CP) substrate integrated waveguide (SIW) cavity-backed slot antenna is proposed. A slot split ring (SSR) etched on the top metal surface of an SIW resonator is employed to generate the right-handed circularly polari…

A NOVEL BANDPASS FILTER WITH CONTROLLABLE TRANSMISSION ZEROS Open

Yun Wang, Fu‐Chang Chen, Qing‐Xin Chu · 2016

A planar bandpass filter is proposed in this paper. Its stopband is realized by using the concept of bandstop filter. A key merit of the filter configuration is that the position of the transmission zeros can be conveniently controlled whe…

Wideband dipole antenna using multiple‐mode resonator for long‐term evolution application Open

Yu‐Fa Zheng, Sai‐Wai Wong, Qikai Huang, Kai Wang, Lei Zhu , et al. · 2015

A coplanar waveguide fed wideband dipole antenna using a multiple‐mode resonator is proposed and developed. A simple dipole antenna structure is investigated for its wideband radiation performance by virtue of its single, double, triple an…

Multimode Resonator-Fed Dual-Polarized Antenna Array With Enhanced Bandwidth and Selectivity Open

Chunxu Mao, Steven Gao, Yi Wang, Fan Qin, Qing‐Xin Chu · 2015

A novel design concept of multi-mode filtering antenna, which is realized by integrating a multi-mode resonator and an antenna, has been applied to the design of dual-polarized antenna arrays for achieving a compact size and high performan…

Integrated filtering-antenna with controllable frequency bandwidth Open

Chunxu Mao, Steven Gao, Z. P. Wang, Yi Wang, Fan Qin , et al. · 2015

An integrated design of a band-pass filter and a patch antenna is proposed in this paper by using an aperture coupled structure. Traditionally, the microwave filter and antenna are designed separately using 50 Ohm interface and then connec…

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