A low profile miniaturized circular microstrip patch antenna for dual-band application

Frequenz ◽  
2020 ◽  
Vol 74 (9-10) ◽  
pp. 333-349
Author(s):  
Murari Shaw ◽  
Niranjan Mandal ◽  
Malay Gangopadhyay
Keyword(s):  
Resonant Frequency ◽  
Patch Antenna ◽  
Microstrip Patch Antenna ◽  
Simulation Software ◽  
Dual Band ◽  
Copper Sheet ◽  
Frequency Bands ◽  
Dedicated Short Range Communications ◽  
Microstrip Patch ◽  
Low Profile

AbstractA low profile Circular Microstrip Patch Antenna (CMPA) with radius 5 mm has been designed to generate two resonant frequency bands that can be used for WLAN 5.2 (5.15–5.25) GHz, Wi-Fi (5.725–5.850) GHz and Dedicated Short-Range Communications (DSRC) (5.85–5.925) GHz application bands. The designed antenna has been slitted with two slits and a stub has also been attached resulting in an additional resonant band alongside the primary resonant band. Also, primary resonant frequency shifted from 7.22 GHz to 5.87 GHz yielding about 18.7% antenna miniaturization. Frequency bands generated by the designed antenna are (5.15–5.25) GHz and (5.71–6.01) GHz having peak gain 2.3 and 4.9 dB with broadside radiation pattern. A square shape FR4 substrate having dimension 32 × 32 × 3.2 mm3 and very thin copper sheet for radiating patch and ground has been used in the proposed antenna, which can fulfill the requirement of smaller antenna with dual band application. Simulation software HFSS ver.13 has been used to design and analyze the proposed antenna. Very good matching has been obtained between simulated and measured results.

scholarly journals A Slotted Tri-Band Patch Antenna Embedded on Textured Pin Dielectric Substrate

2019 ◽  
Vol 8 (5S3) ◽  
pp. 21-22
Keyword(s):  
Resonant Frequency ◽  
Surface Waves ◽  
Patch Antenna ◽  
Dielectric Substrate ◽  
Microstrip Patch Antenna ◽  
Radiation Mechanism ◽  
Specific Location ◽  
Frequency Bands ◽  
Microstrip Patch ◽  
Periodic Arrangement

The propagation of surface waves in the microstrip patch antenna proves to be proves to serious hindrance to radiation mechanism of the antenna. The periodic arrangement of shorting pins is embedded in the dielectric substrate at specific location to enhance the gain by around 4-5dB. The slotted perturbations have been done for achieving tri-band characteristics. The antenna is suitable for operation at three resonant frequency bands centered at 2.2421 GHz, 5.7632GHz and 7.7633GHz, which makes it suitable for WLAN applications.

scholarly journals Gain Enhancement of Microstrip Antenna using Ebg Structure for Wi-Fi Application

2019 ◽  
Vol 9 (1) ◽  
pp. 1213-1217
Keyword(s):  
Patch Antenna ◽  
Return Loss ◽  
Microstrip Patch Antenna ◽  
Simulation Software ◽  
Single Frequency ◽  
Total Size ◽  
Compact Structure ◽  
Gain Enhancement ◽  
Microstrip Patch ◽  
Low Profile

A microstrip patch antenna is low profile antenna mounted over a high impedance electromagnetic bandgap (EBG) substrate is proposed. In this paper, Microstrip patch antenna with rectangular EBG structure is proposed and studied. The proposed antenna has compact structure with a total size of 29.44x38.036mm2 . The designed antenna resonates at Particular Single frequency with improved return loss, VSWR and gain. The resonant frequency of the antenna 2.4GHz without and with EBG and improved return loss of -17.61dB and -18.30dB. With rectangular EBG the antenna gives improved gain of 2.09 dB. The Proposed antenna is simulated by using Simulation software ie.(IE3D) and simulated results are in good with practical antenna characteristics.

scholarly journals Miniaturized Dual-Band Dual-Mode Microstrip Patch Antenna with Defected Ground Structure for Wearable Applications

2021 ◽  
Vol 2 (2) ◽  
Author(s):  
Nur Azura Shamsudin ◽  
◽  
Shaharil Mohd Shah ◽  
Keyword(s):  
Resonant Frequency ◽  
Radiation Pattern ◽  
Human Tissue ◽  
Patch Antenna ◽  
Microstrip Patch Antenna ◽  
Dual Band ◽  
Defected Ground Structure ◽  
Ground Structure ◽  
Dual Mode ◽  
Microstrip Patch

This work presents the performance of a miniaturized dual-band dual-mode microstrip patch antenna with Defected Ground Structure (DGS) at 2.45 GHz and 5.8 GHz on the stacked substrate configuration in the order of FR-4 – PDMS- FR-4. The antenna offers a promising solution for wearable applications in the ISM bands. The first substrate is a flexible Flame Retardant 4 (FR-4) and the other substrate is a highly flexible Polydimethyl Siloxane (PDMS). The size of the antenna was reduced from 50 × 50 mm2 to 30 × 30 mm2, by introducing DGS on the ground plane. A single U-slot on the rectangular radiating patch was introduced to produce the upper resonant frequency of 5.8 GHz while the existing square patch is to generate the lower resonant frequency of 2.45 GHz. The simulations on the dual-band dual-mode microstrip patch antenna shows the reflection coefficient, S11 at 2.45 GHz is -17.848 dB with a bandwidth of 278.8 MHz and -13.779 dB with a bandwidth of 273 MHz at 5.8 GHz. A unidirectional radiation pattern observed in the E-plane shows that the antenna could be applied for off-body communication while an omnidirectional radiation pattern in the H-plane showed that the antenna can be used for on-body communication. Bending investigation were performed for the antenna over a vacuum cylinder with varying diameters of 50 mm, 60 mm, 70 mm, 80 mm, 90 mm, 100 mm and 120 mm in the CST MWS® software. From the graph of reflection coefficients, the performance of the antenna were not affected in bending condition. The SAR simulations showed that the SAR limits obey the guidelines as stipulated by the Federal Communication Commission (FCC) and the International Commission on Non-Ionizing Radiation Protection (ICNIRP) for 1 mW of input power. The 2.45 GHz SAR limit for 1 g of human tissue is 0.09007 W/kg (FCC standard: < 1.6 W/kg) while for 10 g is 0.01867 W/kg (ICNIRP standard: < 2 W/kg). For 5.8 GHz, the SAR limit for 1 g of human tissue is 0.115 W/kg and for 10 g is 0.03517 W/kg. Based on the performance of the antenna in bending condition and the SAR limits, it is safe to conclude that the antenna can be used for wearable applications at 2.45 GHz and 5.8 GHz of the ISM bands.

scholarly journals Dual Band Gap Coupled Patch Antenna for Wireless Communications

2017 ◽  
Vol 16 (1) ◽  
pp. 39-45
Author(s):  
Akhilesh Kumar Pandey ◽  
Rajeev Singh
Keyword(s):  
Patch Antenna ◽  
Circuit Theory ◽  
Microstrip Patch Antenna ◽  
Simulation Software ◽  
Dual Band ◽  
Dual Frequency ◽  
Microstrip Patch ◽  
Experimental Values ◽  
Theoretical Results ◽  
Gap Coupled Patch Antenna

A dual frequency resonance antenna is proposed by means of a rectangular microstrip patch antenna with parasitic elements. Analysis is made using concepts of circuit theory and the measured and theoretical results are compared with simulation results obtained with IE3D simulation software. Error between experimental and theoretical and simulated values is within 1.5% and frequency ratio of the simulated, theoretical and experimental values is found to be 2.0

scholarly journals Design and Simulation of Microstrip Multiband Antenna for Wireless Applications

2020 ◽  
pp. 344-347
Keyword(s):  
Patch Antenna ◽  
Communication Systems ◽  
Microstrip Patch Antenna ◽  
Simulation Software ◽  
Dual Band ◽  
Wireless Communication Systems ◽  
Wireless Applications ◽  
Microstrip Patch ◽  
X Band ◽  
Compact Size

This paper proposes a compact sized dual band microstrip patch antenna with microstrip feed line. The patch of antenna is a rectangular shaped patch which has a circular slot in the patch for multiband operations. This antenna covers frequency bands, centered at 2.4GHz, 3.3GHz, which is useful for the C-band and X-band operations. In this paper, a microstrip patch antenna with compact size of 21x17x1.6 mm in rectangular shape. This antenna is designed on FR4 substrate (Dielectric constant=4.4) of thickness h=1.6mm with ground of size 25x10 mm. The proposed structure were simulated on CADFEKO simulation software. This proposed antenna is suitable for multiband wireless communication systems and mobile equipments.

scholarly journals Radiation Characteristics of Dual Print Microstrip Patch Antenna using IE3D and CST Electromagnetic Simulation Software

2019 ◽  
Vol 8 (4) ◽  
pp. 11963-11968
Keyword(s):  
Patch Antenna ◽  
Three Dimensional ◽  
Microstrip Patch Antenna ◽  
Simulation Software ◽  
Dual Band ◽  
Electromagnetic Simulation ◽  
Impedance Bandwidth ◽  
Microstrip Patch ◽  
Pros And Cons ◽  
Coaxial Feed

In this article the radiation performance of coaxial feed dual band dual print microstrip patch antenna using Electromagnetic simulation tool IE3D (Integral Equation Three-Dimensional) and CST-MWS (Computer Simulation Technology Microwave Studio) is offered and discussed. The attempt is made to compare the antenna parameters such gain, impedance bandwidth and radiation pattern from both the Electromagnetic Software. It is observed that both the software has their own pros and cons. However, the features available from the CST make it more feasible in comparison to IE3D. With the presented geometry a wide impedance bandwidth 5.62GHz (1.86-7.48GHZ) with sustained gain is achieved. The antenna radiation parameters are also found as desired. A brief comparison of various EM software is also given for the interest of the readers.

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