Browsing Research publications by Author "Gao, Steven"
Now showing items 1-13 of 13
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A Compact Dual-Polarized Filtering Antenna with Steep Cut-Off for Base-Station Applications
Liu, Xuekang; Gao, Steven; Hu, Wei; Wen, Lehu; Luo, Qi; Sanz-Izquierdo, Benito; Chen, Xiaodong; Qian, Long; Sumantyo, Josaphat Tetuko Sri; Yang, Xue-Xia (2022-03-28)A dual-polarized filtering antenna with steep cut-off and compact size is developed for base station applications. In this design, four controllable radiation nulls are obtained by utilizing split rings, slotted T-shaped ... -
Highly integrated transmitting and receiving phased array with multi-channels and high efficiency in K/Ka-band SatCom application
Zhang, Qiaoshan; Shi, Xiaowei; Gao, Steven; Li, Yan; Luo, Qi; Wan, Jixiang; Xue, Zhaoxuan; Wen, Lehu (2021-07-26)A highly integrated K/Ka-band phased array with duplexing channels for transmitting and dual circularly polarized channels for receiving is presented. To increase both the efficiency and channel isolation, a novel architecture ... -
Low-Cost Wide-Angle Beam-Scanning Transmitarray Antennas Using Lens-Loaded Patch Elements: A Proof-of-Concept Study
Hu, Wei; Dong, Mingyang; Luo, Qi; Cai, Yuanming; Wen, Lehu; Feng, Tian-Xi; Jiang, Wen; Gao, Steven (2023-08-23)In this letter, a novel design concept to achieve a low-cost wide-angle beam-scanning transmitarray (TA) using lens-loaded patch (LLP) elements is presented. In this design, each TA element consists of a beam switchable ... -
A Low-Profile Beam-Steering Reflectarray with Integrated Leaky-Wave Feed and 2-Bit Phase Resolution for Ka-band SatCom
Zhang, Qiaoshan; Zhang, Mingtao; Shi, Xiaowei; Gao, Steven; Luo, Qi; Chen, Lei; Wan, Jixiang; Wang, Xudong (2021-09-15)A novel reflect array (RA) with ultra-low-profile and 2-bit phase quantization beam-steering ability is presented in this paper. To reduce the profile, a Leaky-wave feed is used to excite the RA with enhanced illumination ... -
Low-Profile Wideband Circularly Polarized Array Antennas Using Integrated Half-Power Quadrature Power Divider
Wen, Lehu; Gao, Steven; Luo, Qi; Hu, Wei; Sanz-Izquierdo, Benito; Yang, Xue-Xia (2022-04-11)Low-profile wideband circularly polarized (CP) array antennas using integrated half-power quadrature power divider (HP-QPD) are presented. A novel HP-QPD is first proposed as an important design concept for CP radiation. ... -
A Mutual-Coupling-Suppressed Dual-Band Dual-Polarized Base Station Antenna Using Multiple Folded-Dipole Antenna
Liu, Xuekang; Gao, Steven; Sanz-Izquierdo, Benito; Zhang, Haiwei; Wen, Lehu; Hu, Wei; Luo, Qi; Sumantyo, Josaphat Tetuko Sri; Yang, Xue-Xia (2022-12-01)An interleaved shared-aperture dual-band dual-polarized base station array antenna is proposed in this article. The lower-band (LB) element is realized by using a multiple folded-dipole antenna (MFDA) and four parasitic ... -
Proof of Concept of a Low-Cost Beam-Steering Hybrid Reflectarray that Mixes Microstrip and Lens Elements Using Passive Demonstrators
Luo, Qi; Gao, Steven; Hu, Wei; Liu, Wei; Pessoa, Luis M.; Sobhy, Mohammed; Sun, Yichuang (2022-02-11)In this article, a proof-of-concept study on the use of a hybrid design technique to reduce the number of phase shifters of a beam-scanning reflectarray (RA) is presented. An extended hemispherical lens antenna with feeds ... -
Robust Multi-Beam Multiplexing Design Based on a Hybrid Beamforming Structure with Nearly Equal Magnitude Analogue Coefficients
Zhang, Junwei; Liu, Wei; Gu, Chao; Gao, Steven; Luo, Qi (2022-02-10)One novel design considering two practical application constraints based on the interleaved subarray architecture is proposed to achieve multi-beam multiplexing for arbitrary directions to serve corresponding users. One ... -
Spoof Surface Plasmon Polaritons Based Antenna and Array by Exciting both Even and Odd Mode Resonances
Wen, Lehu; Hu, Wei; Pang, Bo; Luo, Qi; Gao, Steven (2023-11-30)Spoof surface plasmon polaritons (SSPPs) based antenna and array by exciting both even and odd mode resonances are developed and investigated in this paper. Different from others’ work and for the first time, we use the ... -
Wideband Back-Cover Antenna Design Using Dual Characteristic Modes With High Isolation for 5G MIMO Smartphone
Hu, Wei; Chen, Zhan; Qian, Long; Wen, Lehu; Luo, Qi; Xu, Rui; Jiang, Wen; Gao, Steven (2022-01-28)A novel method of designing a wideband high isolated dual-antenna pair using dual characteristic modes (CMs)is presented for fifth-generation (5G) multiple-input multiple output (MIMO) smartphone applications. A set of ... -
Wideband Circularly Polarized Reflectarray Antenna Using Rotational Symmetrical Crossed Dipoles
Wen, Lehu; Gao, Steven; Luo, Qi; Hu, Wei; Sanz-Izquierdo, Benito; Yang, Xue-xia (2023-05-30)A wideband circularly polarized (CP) reflectarray (RA) antenna using rotational symmetrical crossed dipoles is presented. This is the first time investigating coupled crossed dipoles as the unit cell for wideband reflection ... -
Wideband Differentially Fed Dual-Polarized Antenna by Using Three-Strip Transmission Lines
Wen, Le-Hu; Gao, Steven; Luo, Q.; Sanz-Izquierdo, Benito; Ren, Xiaofei; Wu, Jian (2021-07-01)A new method of designing a wideband differentially fed dual-polarized antenna by using three-strip transmission lines (TS-TLs) is presented. A wideband power divider composed of four TS-TLs is firstly proposed and illustrated ... -
Wideband Differentially-Fed Slot Antenna and Array With Circularly Polarized Radiation for Millimeter-Wave Applications
Wen, Lehu; Gao, Steven; Hu, Wei; Luo, Qi; Yang, Xue-Xia; Sanz-Izquierdo, Benito (2022-01-28)A wideband differentially-fed slot antenna is presented for millimeter-wave (mmWave) applications. A novel method of using stepped corner-shaped slot is first utilized to establish the wideband circularly polarized (CP) ...