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Mutual Coupling Suppression Between Two Patch Antennas Using the Common/Differential Mode Theory
IEEE Antennas and Wireless Propagation Letters
Year: 2025 | Early Access Article |
An enhanced decoupling technique between two patch antennas is proposed in this letter based on the common-mode (CM) and differential mode (DM) theory. Two symmetrical antennas theoretically proved that if the impedances of CM and DM are the same, the mutual coupling effect between the separate antennas can be eliminated. Two parasitic patches are located above two identical patches spacing with 0...Show More
Slow-Wave Dielectric Helical Structure and Its Applications in Compact Omnidirectional Circularly Polarized Antennas
IEEE Antennas and Wireless Propagation Letters
Year: 2025 | Early Access Article |
This paper presents a new approach to design omnidirectional circularly polarized (OCP) antennas with simple and compact structures using full-dielectric helical resonator. First, the properties of an infinite-long small-diameter dielectric helical structure is studied, to have found that it can support a slow wave propagating along the longitudinal axis of the structure with a proper structure si...Show More
Dual-Broadband Vertically Polarized Omnidirectional Antenna with Low Profile
Ming Yang Deng;Li Neng Huang;Weiheng Shao;Liang Hua Ye;Jian-Feng Li
IEEE Antennas and Wireless Propagation Letters
Year: 2025 | Early Access Article |
A dual-broadband vertically polarized omnidirec-tional patch antenna with simple low-profile structure is proposed for mobile communication. The design is formed by a wheel-shaped patch, a circular ground reflector, four arc-shaped strips, four feeding pins, eight shorting pins and a 1-to-4 power divider. The wheel-shaped patch, connected to the ground reflector by eight shoring pins, is fed by th...Show More
Dual-Broadband Dual-Polarized Folded Dipole Antenna With Stable Radiation Pattern
Gui Run Chen;Yue Shan Chen;Yi Lang Li;Jian-Feng Li;Liang Hua Ye
A dual-broadband folded dipole antenna with stable radiation performance and two polarizations is presented. To generate dual-polarized radiation performance within a wide frequency band, two pairs of folded dipoles are fed through slot lines and 50 Ω coaxial cables. To generate a notched band which is utilized to separate the wide working band of the folded dipole antenna into a low-frequency ban...Show More
A compact circularly polarized (CP) patch antenna with Series Sequential-Phase feed network is proposed in this paper. The antenna structure is mainly composed of a square patch, an array of parasitic metal plates symmetrically positioned around the patch, and a series sequential-phase (SP) feed network as feeding structure. A series SP feeding network provides four signals of equal magnitude and ...Show More
A novel cross dipole antenna, utilizing pixelation for design, is proposed. The unique feature of this antenna in that the use of pixels to shape the radiator through an Internal Multi-port Method (IMPM), ensuring impedance matching and bandwidth performance. This approach overcomes manual design limitations and yields performance metrics comparable to conventional methods while enhancing simulati...Show More
An UWB Monopole Antenna for Partial Discharge Detection
Chunyu Li;Lianghua Ye;Jianfeng Li;Bing Luo;Wei Xiao;Haofeng Zhang
An ultra-wideband (UWB) monopole antenna for partial discharge detection is proposed in this paper. The antenna is composed of a stepped monopole, a circular metal sleeve, an annular slot, a metal cap and a metal reflector. By using a 50 Ω coaxial cable to excite the monopole, good vertically polarized omnidirectional radiation performance is achieved for the monopole antenna. To improve the imped...Show More
Wideband Vertically Polarized Omnidirectional Antenna with low profile for Partial Discharge Detection
Juerui Lin;Lianghua Ye;Jianfeng Li;Bing Luo;Wei Xiao;Haofeng Zhang
This paper introduces a design method for a patch antenna that achieves a broad bandwidth, good omni-directivity, and a low-profile configuration. The antenna's design leverages a circular patch coupled with four feeding loops to facilitate multi-band resonance, thereby expanding the bandwidth. Following design optimization, the antenna has good impedance matching and maintains excellent omnidirec...Show More
An Ultra-Wideband Folded Monopole Antenna with Low Profile for Partial Discharge Detection
Bing Luo;Wei Xiao;Haofeng Zhang;Xingyu Yang;Lianghua Ye;Jianfeng Li
In this paper, an ultra-wideband folded monopole antenna with vertical polarization is proposed for partial discharge detection. The antenna incorporates a top loading and four grounded pins for impedance matching and maintaining a low profile. The radiator size of the antenna is 0.3λ0 × 0.3λ0 X 0.107λ0(where λ0 is the wavelength corresponding to the lowest frequency). The measured results show th...Show More
Metasurface-Inspired, Ultra-Wideband, and Dual-Polarized Dipole Antenna for Vehicular Sensing and Communications
Liang Hua Ye;Jun Xi Li;Zhuozhu Chen;Yanshan Chen;Wensong Wang;Xiu Yin Zhang
IEEE Transactions on Vehicular Technology
Year: 2024 | Early Access Article |
Targeting the high-quality and high-speed transmission signal in intelligent Internet of Vehicular (IoV) applications for sensing and communications, this paper proposes an ultra-wideband dual-polarized dipole antenna inspired by metasurface (MS). To widen the impedance bandwidth, hexagon-shaped cross-dipole with coupling-fed technique is utilized. Feed balun with truncated ground plane and steppe...Show More
A Broadband Circularly Polarized Antenna Using Characteristic Mode Analysis
A low-profile and broadband circularly polarized (CP) antenna is presented. The CP antenna element comprises several patch cells and an L-shaped strip with three branches on the same layer. The patch cells and the L-shaped strip excite four linear polarized modes, while three branches shift these modes to suitable frequencies using characteristic mode analysis. Furthermore, a two-port antenna is c...Show More
Miniaturized Broadband Dual-Polarized Magnetoelectric Dipole Antenna With High Isolation and Filtering Response
Kang Yu Yang;Wen Jian Zhu;Liang Hua Ye;Shao-Qiu Xiao;Xinrong Shi;Duo-Long Wu
A miniaturized broadband dual-polarized magnetoelectric (ME) dipole antenna with extremely high isolation and bandpass filtering response is proposed. A miniaturized $\Pi $ -shaped folded ME dipole antenna is presented to introduce extra capacitor and inductance for achieving a wide bandwidth. Then, a special feed network, which includes a microstrip-to-slot feed scheme and a $\Gamma $ -shaped f...Show More
Three-Port Ultrawideband MIMO Slot Antenna With High Isolation
Ru Long Li;Zhi Qiang Chen;Fan Jiang;Liang Hua Ye;Jian-Feng Li
A compact three-port ultrawideband multiple-input–multiple-output (MIMO) antenna with high isolation is presented. A semi-open X-shaped slot antenna is fed by a T-shaped microstrip line to realize ultrawideband performance. Then, two L-shaped slot antennas are embedded into the designed X-shaped slot antenna to attain MIMO performance. It is worth highlighting that the loading of the L-shaped slot...Show More
Dual-Broadband Aperture-Shared Base Station Antenna Array Using Double Decoupling Techniques
A dual-broadband aperture-shared base station antenna array using double decoupling techniques is proposed, where L-shaped branches and open ring decoupling surface (ODS) are designed to suppress the scattering effect of low-band radiation. The aperture-shared array antenna consists of a low-band antenna, four high-band antennas, four internal baffles, and a box-shaped reflector. The principle of ...Show More
Ultrawideband Vertically Polarized Omnidirectional Periodic Patch-Inspired Antenna With Low Profile
Jing Lun Zhang;Jie Ju Huang;Huan Jiang;Liang Hua Ye;Jian-Feng Li;Xiu Yin Zhang
An ultrawideband periodic patch-inspired antenna with vertically polarized omnidirectional radiation performance and very low profile is proposed. A low-profile periodic patch is initially excited by a driven monopole to radiate vertically polarized omnidirectional waves over a broad frequency band. Then, an annular metal wall, which locates around the driven monopole, is utilized to expand the hi...Show More
Low-Profile Duplex Filtering Antenna With High Isolation and High Roll-Off Filtering Response
Tong-Tong Liu;Jian-Feng Li;Liang-Hua Ye;Xin-Xin Tian;Chun-Xu Mao
A filtering slot antenna with high isolation and high roll-off filtering response is proposed for duplex application. With a low profile of 0.007λH0, the proposed antenna only consists of a ground plane, two slot radiation elements, and two feeding networks. The feeding networks can improve the impendence matching to make each radiation slot produce additional two resonant modes, excite transmissi...Show More
A Dual-Polarization Self-Duplex Antenna With High Isolation and Low Profile
Jian-Feng Li;Chao-Ping Zhen;Xin-Xin Tian;Fan Jiang;Liang-Hua Ye
A dual-polarization self-duplex antenna is proposed. When port 1 is excited, two half-modes (HM) resonances having similar radiation performance are produced by a slotted HM substrate integrated waveguide (HMSIW) cavity, which is also used to coupled feed the radiation patch, and a good operation band of port 1 is obtained. For obtaining the other operation band, the radiation patch is coupled fed...Show More
A Low-Profile Broadband Filtering Antenna and Its Array for 5G Applications
Rui Wu;Guang-Hong Wen;Fu-Chang Chen;Jian-Feng Li;Liang Hua Ye;Wei-Ping Cao
A low-profile, broadband dual-polarized magneto-electric (ME) dipole antenna and its array are proposed with filtering characteristics in this letter. The antenna consists of four aperture-coupled driven radiators, a cross-shaped patch, and two pairs of orthogonal feeding networks. Three controllable radiation nulls are introduced to achieve out-of-band suppression by loading cross-shaped patches,...Show More
Low-Profile Broadband Dual-Polarized Dipole Antenna With AMC Reflector
Zhi Feng Dai;Yao Pan;Jie Ju Huang;Liang Hua Ye;Jian-Feng Li;Huan Jiang
The letter presents a dual-polarized dipole antenna with a low profile and broad bandwidth. A crossed-shaped patch is utilized to design an artificial magnetic conductor (AMC) reflector to provide a wide bandwidth of 87.7%. The decrease of the antenna profile is realized by utilizing the proposed AMC reflector, while maintaining an extremely wide bandwidth. For improving the impedance matching, fo...Show More
A Shared-Aperture Linearly/Circularly Polarized Filtering Antenna Array With Low Profile
Jian-Feng Li;Yu-Qiang Lin;Yan-Mei Xue;Liang-Hua Ye;Chun-Xu Mao
A dual-band [(2.6, 3.5) GHz] shared-aperture filtering antenna array with a 0.067λ0 profile is proposed. The antenna array working at the high band has right-handed circular polarization (RHCP), while the array working at the low band exhibits linear polarization (LP). For the high-band subarray, parasitic patches are introduced to obtain a wide effective operation band, and substrate-integrated w...Show More
Shared Dipoles Inspired Horizontally Polarized Omnidirectional Antenna With Broad Bandwidth
A horizontal-polarized (HP) omnidirectional antenna with an extremely wide bandwidth and small gain variation is presented. To attain horizontally polarized omnidirectional performance and small size, eight shared dipoles, which are round-connected into an octagon-shaped array, are excited by a 1-to-8 power divider. To significantly improve the impedance matching and omnidirectional performance ov...Show More
Broadband Hybrid Decoupling Method for a Dual-Polarized Antenna With High Isolation
This letter presents a hybrid decoupling technique to realize high isolation for dual-polarized dipole antennas. The proposed antenna consists of a cross-dipole on two horizontal layers, one in the x-axis direction directly fed by a coaxial line and its extended strip and another in the y-axis direction differentially excited by a wideband power divider. A wideband hybrid decoupling method is appl...Show More
Isolation Enhancement Between Two Low-Profile Patch Antennas for In-Band Full-Duplex Applications
Yue Hu;Wei Hao Chen;Mao Qin Wu;Liang Hua Ye;Fan Jiang;Jian-Feng Li;Duo-Long Wu
An enhanced isolation technique between two low-profile patch antennas is proposed. Two identical antennas are configured with two printed circuit boards (PCBs) spaced at 0.206λ0, where λ0 is the free-space wavelength at 3.5 GHz. Every antenna is a rectangular patch with four slots and two vias, vertically fed with a coaxial probe. A decoupling strip embedded between two antennas and a slot on the...Show More
A Broadband Circularly Polarized Dipole Antenna With High 1 dB Gain Flatness
Duo-Long Wu;Jianwei Pan;Liang Hua Ye;Jian-Feng Li;Fan Jiang;Xinxin Tian;Rui Li;Zhenxin Hu
A novel wideband circularly polarized (CP) dipole antenna is presented. The proposed antenna is configured with three horizontal layers of an electrical dipole, two parasite Π-strips, and a ground, where the electrical dipole is fed by a vertical microstrip balun, resulting in three CP modes. The 180° rotationally symmetric dipole generates two CP modes in the middle- and high-frequency bands. In ...Show More
Ultra-Wideband Dual-Circularly Polarized Crossed-Dipole Antenna With Stripline Coupler and Parasitic Elements for Vehicular Sensing and Communications
Targeting the high-quality signal and transmission robustness of sensing and communications in future intelligent vehicles, this article proposes an ultra-wideband compact antenna which can work at left-hand circular polarization (LHCP) and right-hand circular polarization (RHCP). It consists of two cross-arranged dipoles, four parasitic elements, a feeding network, and a ground plane. The radiati...Show More
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