Journal ArticleDOI
Harmonics reduction with defected ground structure for a microstrip patch antenna
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TLDR
In this article, a microstrip patch antenna using a defected ground structure (DGS) to suppress higher order harmonics is presented, where an H-shaped defect on the ground plane with only one or more unit lattices has been utilized and yielded bandstop characteristics.Abstract:
A microstrip patch antenna using a defected ground structure (DGS) to suppress higher order harmonics is presented. An H-shaped defect on the ground plane with only one or more unit lattices has been utilized and yielded bandstop characteristics. Compared with a conventional microstrip patch antenna without the DGS unit cell, the radiated power of the DGS patch antenna at harmonic frequencies has been drastically decreased.read more
Citations
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Journal ArticleDOI
Reduction of Mutual Coupling Between Closely-Packed Antenna Elements
TL;DR: In this article, a simple ground plane structure that can reduce mutual coupling between closely packed antenna elements is proposed and studied, which consists of a slitted pattern, without via's, etched onto a single ground plane and it is therefore low cost and straightforward to fabricate.
Journal ArticleDOI
Isolation Enhancement Between Two Closely Packed Antennas
TL;DR: In this paper, a USB dongle MIMO antenna for the 2.4 GHz WLAN band is presented, which consists of two antenna elements and a coupling element which artificially creates an additional coupling path between the antenna elements.
Journal ArticleDOI
Mutual Coupling Reduction of Two PIFAs With a T-Shape Slot Impedance Transformer for MIMO Mobile Terminals
TL;DR: In this paper, a T-shape slot impedance transformer is proposed to reduce mutual coupling between two closely spaced PIFAs for MIMO mobile terminals, which can be applied to both single-band and dual-band PIFA.
Journal ArticleDOI
Reduction of mutual coupling between closely-packed antenna elements using defected ground structure
Fuguo Zhu,Jiadong Xu,Qian Xu +2 more
TL;DR: In this paper, a simple ground plane structure that can reduce mutual coupling between closely-packed antenna elements is proposed, which consists of a dumb-bell-like pattern etched in a single ground plane.
Journal ArticleDOI
Harmonic suppression with photonic bandgap and defected ground structure for a microstrip patch antenna
TL;DR: In this article, a microstrip patch antenna integrated with two-dimensional photonic bandgap (PBG) and one-dimensional defected ground structure (DGS) jointly in ground plane is presented.
References
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Journal ArticleDOI
A design of the low-pass filter using the novel microstrip defected ground structure
TL;DR: In this article, a new defected ground unit structure (DGS) for the microstrip line is proposed, which can provide the bandgap characteristic in some frequency bands with only one or more unit lattices.
Journal ArticleDOI
Broad-band power amplifier using dielectric photonic bandgap structure
TL;DR: In this article, two AB GaAs field effect transistor (FET) power amplifiers have been designed and fabricated in the 4.4-4.8 GHz range, and a dielectric PBG line was incorporated in the design to tune the second harmonic.
Journal ArticleDOI
Harmonic control by photonic bandgap on microstrip patch antenna
Yasushi Horii,Makoto Tsutsumi +1 more
TL;DR: In this article, a single microstrip patch antenna having two-dimensional photonic bandgap (PBG) in the ground has been demonstrated experimentally, and the effectiveness of the PBG structure is discussed for the suppression of the resonance at the harmonic frequencies of the antenna.
Proceedings ArticleDOI
A novel uniplanar compact PBG structure for filter and mixer applications
TL;DR: In this paper, a novel lowpass filter with a uniplanar, compact photonic band-gap structure etched in the ground plane has been proposed and demonstrated, which has a deep attenuation and spurious-free response.
BookDOI
Analysis and Design of Integrated Circuit Antenna Modules
K. C. Gupta,Peter Hall +1 more
TL;DR: This book covers various design approaches applicable to integrated circuit-antenna modules with the goal of placing the antenna, transmitter, and receiver all on a single chip.
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