Study on Electronic Materials with Performance of Meander-Line Inverted-F Antenna

2014 ◽  
Vol 886 ◽  
pp. 386-389
Author(s):  
Jing Wei Wu ◽  
Wei He ◽  
Dan Su ◽  
Jing Mo
Keyword(s):  
Resonant Frequency ◽  
High Frequency ◽  
Electronic Materials ◽  
Performance Parameters ◽  
Resonance Point ◽  
Frequency Resonance ◽  
High Frequency Structure Simulator ◽  
Frequency Structure ◽  
Meander Line ◽  
Meander Lines

Inverted-F antenna loaded meander-line was studied by using High Frequency Structure Simulator V11(hereinafter referred to as HFSS V11). Research had focused on main performance parameters of Inverted-F antenna which loaded different number of meander-lines and different height of meander-lines. According to research, main performance parameters of inverted-F antenna, such as resonant frequency, resonance impedance and S11 parameter of resonance point could be adjusted effectively. Inverted-F antenna could be miniaturized effectively by selecting appropriate number and height of meander-lines. The technology of loaded meander-line is a kind of simple and effective way that can be applied to the RFID field and other areas that have high requirements for miniaturization of antenna.

Comb Shaped Triple Band Microstrip Antenna for Wireless Communication

2021 ◽  
Vol 9 (4) ◽  
pp. 379-382
Keyword(s):  
Dielectric Constant ◽  
Wireless Communication ◽  
High Frequency ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Experimental Results ◽  
High Frequency Structure Simulator ◽  
Frequency Structure ◽  
Triple Band

A comb shaped microstrip antenna is designed by loading rectangular slots on the patch of the antenna. The antenna resonating at three different frequencies f1 = 5.35 GHz, f2 = 6.19 GHz and f3= 8.15 GHz. The designed antenna is simulated on High Frequency Structure Simulator software [HFSS] and the antenna is fabricated using substrate glass epoxy with dielectric constant 4.4 having dimension of 8x4x0.16 cms. The antenna shows good return loss, bandwidth and VSWR. Experimental results are observed using Vector Analyzer MS2037C/2.

A New Design of Ka-Band Circularly-Polarized Antenna

2014 ◽  
Vol 631-632 ◽  
pp. 383-386
Author(s):  
Jiao Jiao Fan ◽  
Jian Li ◽  
Dan Song ◽  
Li Wu ◽  
Shu Sheng Peng
Keyword(s):  
High Frequency ◽  
Circular Waveguide ◽  
Ka Band ◽  
Circularly Polarized ◽  
Simulation And Optimization ◽  
Total Height ◽  
High Frequency Structure Simulator ◽  
Frequency Structure ◽  
Low Profile ◽  
Linearly Polarized

A new ka-band circularly-polarized antenna is presented in this paper, in which a linearly-polarized wave is conversed into a circularly-polarized wave with a circular waveguide polarizer. After simulation and optimization with HFSS (High Frequency Structure Simulator), a compact circularly-polarized antenna is designed with a total height less than 25mm. More simple and easier structure is adopted to achieve a low-profile circularly-polarized antenna.

scholarly journals A Capacitively-Fed Inverted-F Antenna for Displacement Detection in Structural Health Monitoring

Sensors ◽  
2020 ◽  
Vol 20 (18) ◽  
pp. 5310
Author(s):  
Songtao Xue ◽  
Zhiquan Zheng ◽  
Shuai Guan ◽  
Liyu Xie ◽  
Guochun Wan ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Resonant Frequency ◽  
Current Distribution ◽  
Health Monitoring ◽  
High Frequency ◽  
Relative Displacement ◽  
Displacement Sensor ◽  
First Order ◽  
High Frequency Structure Simulator ◽  
Dimensional Parameters

This paper presents a capacitive displacement sensor based on a capacitively fed inverted-F antenna (CFIFA) for displacement detection. The sensor is composed of a grounded L-shape patch and a rectangular upper patch, forming a capacitor between them. The asymmetric dipole model is adopted to explain the frequency shift and current distribution of the proposed antenna sensor at its first-order resonance. The numerical simulation of the CFIFA using the Ansoft high-frequency structure simulator (HFSS) software is carried out to optimize the dimensional parameters, allowing the antenna to perform better. Two sets of CFIFAs are fabricated and tested for verification. Results show that the CFIFA has a good linear relationship between its first resonant frequency and the relative displacement, and is capable of a long range of displacement measuring.

scholarly journals Design of Wideband Antenna Array for WiMax Application

2021 ◽  
Vol 9 (8) ◽  
pp. 958-962
Author(s):  
Rakesh N
Keyword(s):  
Antenna Array ◽  
Patch Antenna ◽  
High Frequency ◽  
Return Loss ◽  
Flow Solver ◽  
Wideband Antenna ◽  
Circular Patch ◽  
High Frequency Structure Simulator ◽  
Frequency Structure ◽  
Circular Patch Antenna

Abstract: The evolution of wireless communication system has led path for innovative antenna design specifically in wideband antenna for WiMax application. In this paper design and simulation of microstrip wideband circular patch antenna array operating between 2GHz to 4Ghz is presented. The circular patch antenna is designed to operate at 3GHz line feed and the ground is itched to achieve required wideband characteristics. The simulation is carried out in EM Flow solver, High Frequency Structure Simulator software. For a single patch antenna, the return loss, lesser than -10dB throughout the bandwidth. Later an antenna array is operating between 2GHz to 4GHz frequency is designed and simulated. The return loss is lesser than -12dBi throughout the band and a peak gain is 14.7dBi. Keywords: Microstrip Patch Antenna (MPA), High Frequency Structure Simulator (HFSS).

scholarly journals A Square Patch with L and Inverted L shaped slotted AMC structure for Wi-Fi Applications

2020 ◽  
Vol 9 (1) ◽  
pp. 1722-1725
Keyword(s):  
Resonant Frequency ◽  
Patch Antenna ◽  
High Frequency ◽  
Return Loss ◽  
Band Width ◽  
Magnetic Conductor ◽  
Radiation Characteristics ◽  
Artificial Magnetic Conductor ◽  
High Frequency Structure Simulator ◽  
Phase Reflection

To improve the antenna characteristics in terms of bandwidth, gain and its radiation characteristics without providing any phase reflections, Artificial Magnetic Conductor (AMC) are used in antenna designing. This paper initially designed AMC structure for 2.4GHz frequency. The proposed AMC structure consists of three L shaped and inverted L shaped slots and provides zero degrees phase reflection at 2.4GHz resonant frequency. This proposed AMC structure is incorporated on conventional micro strip square patch antenna and results are simulated in High Frequency Structure Simulator (HFSS) software. The Proposed AMC incorporated patch antenna, return loss is improved from -16.16dB to -31.75dB, VSWR is from 1.42 to 1.05, the band width is increased from 16.5 MHz to 348.1 MHz This design resonates at a frequency of 2.4GHz and applicable to Wi-Fi applications.

scholarly journals A Displacement Sensor Based on a Normal Mode Helical Antenna

Sensors ◽  
2019 ◽  
Vol 19 (17) ◽  
pp. 3767 ◽  
Author(s):  
Xue ◽  
Yi ◽  
Xie ◽  
Wan ◽  
Ding
Keyword(s):  
Resonant Frequency ◽  
Normal Mode ◽  
High Frequency ◽  
Displacement Sensor ◽  
Helical Antenna ◽  
Frequency Shifts ◽  
High Frequency Structure Simulator ◽  
Resonant Frequency Shift ◽  
Gradient Change ◽  
Applied Displacement

This paper presents a passive displacement sensor based on a normal mode helical antenna. The sensor consists of an external helical antenna and an inserting dielectric rod. First, the perturbation theory is adopted to demonstrate that both the electric intensity and magnetic intensity have a noticeable gradient change within the in-and-out entrance of the helical antenna, which will cause the sensor to experience a resonant frequency shift. This phenomenon was further verified by numerical simulation using the Ansoft high frequency structure simulator (HFSS), and results show the linear correlation between the retrieved resonant frequency and the displacement. Two sets of proposed sensors were fabricated. The experiments validated that the resonant frequency shifts are linearly proportional to the applied displacement, and the sensing range can be adjusted to accommodate the user’s needs.

Novel Compact Interdigital Bandpass Filters with Multilayer Stepped Impedance Resonators/Folded Quarter–Wavelength Resonators

2013 ◽  
Vol 547 ◽  
pp. 19-24
Author(s):  
Jia Min Wu ◽  
Tian Bai ◽  
Wen Zhong Lu ◽  
Fei Liang ◽  
Bin Luo
Keyword(s):  
High Frequency ◽  
Bandpass Filters ◽  
Excellent Performance ◽  
High Frequency Structure Simulator ◽  
Dielectric Layers ◽  
Frequency Structure ◽  
Quarter Wavelength ◽  
Two Measures ◽  
Novel Structures

Novel compact interdigital bandpass filters (BPFs) which used multilayer stepped impedance resonators (SIRs)/folded quarter–wavelength resonators were presented. Two measures were taken to reduce the sizes of the proposed filters. Firstly, two resonators (SIRs and folded quarter–wavelength resonators) with novel structures were designed. Secondly, all the designed resonators were located on different dielectric layers. The proposed interdigital BPFs, which were simulated with the high frequency structure simulator (HFSS), show excellent performance and could realize the miniaturization purpose. Furthermore, it is found that the proposed filter with folded quarter–wavelength resonators is more excellent in realizing miniaturization and improving performance than that with SIRs.

scholarly journals Perancangan Antena Mikrostrip Siw Cavity-Backed Modified Dumbell-Shaped Slot Untuk Pengaplikasian Pada 5G

2020 ◽  
Vol 11 (2) ◽  
pp. 115
Author(s):  
Sepryanto Sepryanto ◽  
Said Attamimi ◽  
Fadli Sirait
Keyword(s):  
High Frequency ◽  
Substrate Integrated Waveguide ◽  
High Frequency Structure Simulator ◽  
Frequency Structure ◽  
4G Lte

Perkembangan teknologi dan informasi yang semakin meningkat mengakibatkan kebutuhan masyarakat juga semakin meningkat salah satunya adalah kebutuhan akan teknologi telekomunikasi seluler tanpa kabel (wireless). Perkembangan teknologi seluler di Indonesia yang terakhir berkembang sejak tahun 2010 adalah 4G LTE yang berada pada pita frekuensi yang telah ditentukan pemerintah. Perkembangan teknologi wireless di Indonesia juga sudah sampai pada teknologi 5G, didukung dengan adanya beberapa kajian mengenai implementasi 5G di Indonesia. Frekuensi untuk teknologi 5G termasuk ke dalam frekuensi tinggi, yaitu frekuensi dengan panjang gelombang yang kecil, frekuensi ini yang disebut sebagai millimeterwave (mmWave). Dalam penelitian ini dilakukan perancangan antena Substrate Integrated Waveguide (SIW) yang dibuat menggunakan PCB berjenis FR4 epoxy dengan ketebalan 1,6 mm dan nilai konstanta dielektrik 4.4-4.9, yang bekerja pada frekuensi 28 GHz, dengan menambahkan slot untuk memperbesar gain antena. Perancangan dilakukan menggunakan software Ansoft High Frequency Structure Simulator (HFSS) v16.0. Sedangkan pengukuran antena dilakukan di Laboratorium Pusat penelitian Elektronika dan Telekomunikasi LIPI Bandung. Hasil simulasi antena bekerja pada frekuensi 27,9 – 29,3 GHz dengan bandwidth 1,4 GHz dan faktor refleksi mencapai -27,43 dB. Sementara hasil pengukuran menunjukan antena bekerja pada frekuensi 29,56 – 30,66 GHz dengan bandwidth 1,1 GHz dan faktor refleksi -24,35 dB. Hasil simulasi menunjukkan adanya peningkatan gain, dengan peningkatan gain paling maksimum yaitu sebesar 5,49 dB. Perbedaan ini mungkin disebabkan kesalahan dalam proses fabrikasi, proses menyolder yang tidak sempurna serta kesalahan dalam pengambilan data pengukuran

THE EFFECTS OF STRUCTURAL-INDUCED DEFORMATION ON THE RESONANCE OF PATCH ANTENNAS

2021 ◽  
Author(s):  
KELVIN NICHOLSON ◽  
JOHN WANG ◽  
ROWAN HEALEY ◽  
TAYLOR LYNCH ◽  
JOEL PATNIOTIS ◽  
...  
Keyword(s):  
Resonant Frequency ◽  
Patch Antenna ◽  
High Frequency ◽  
Aerodynamic Performance ◽  
Patch Antennas ◽  
Direct Integration ◽  
Structural Efficiency ◽  
High Frequency Structure Simulator ◽  
Resonant Behavior ◽  
Structural Loading

Conformal Loadbearing Antenna Structures (CLAS) take advantage of a combination of structural and electromagnetic functions. CLAS have been developed as an advanced replacement for conventional antennas (such as blades, wires and dishes) to improve the structural efficiency, as well as the electromagnetic and aerodynamic performance of a platform. The CLAS concept permits the direct integration of microwave radiating elements in the structural skin of a platform. Therefore, the antenna will be subjected to structural loading and will deform accordingly. The effects of these structural-induced deformations on the resonant frequency of the antenna will be reported in this paper. This paper will investigate the performance of a carbon veil patch antenna when it is subject to static in-plane. The work presented will include the effects of in-plane loading on the resonant behavior of the patch antenna when the carbon veil is fully bonded and when it is disbonded by the parent structure. This paper will also discuss the effects of substrate delamination on the RF response of the patch antenna. The RF characteristics of the antenna will be modelled using ANSYS High Frequency Structure Simulator (HFSS).

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