scholarly journals Design of Low-Profile Single- and Dual-Band Antennas for IoT Applications

Electronics ◽  
2021 ◽  
Vol 10 (22) ◽  
pp. 2766
Author(s):  
Wazie M. Abdulkawi ◽  
Abdel Fattah A. Sheta ◽  
Ibrahim Elshafiey ◽  
Majeed A. Alkanhal
Keyword(s):  
Low Cost ◽  
Dielectric Substrate ◽  
Dual Band ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Iot Applications ◽  
Microstrip Patch ◽  
Low Profile ◽  
Resonance Frequencies ◽  
Dual Band Antennas

This paper presents novel low-cost single- and dual-band microstrip patch antennas. The proposed antennas are realized on a square microstrip patch etched symmetrically with four slots. The antenna is designed to have low cost and reduced size to use in Internet of things (IoT) applications. The antennas provide a reconfigurable architecture that allows operation in different wireless communication bands. The proposed structure can be adjusted to operate either in single band or in dual-band operation. Two prototypes are implemented and evaluated. The first structure works at a single resonance frequency (f1 = 2.4 GHz); however, the second configuration works at two resonance frequencies (f1 = 2.4 GHz and f2 = 2.8 GHz) within the same size. These antennas use a low-cost FR-4 dielectric substrate. The 2.4 GHz is allotted for the industrial, scientific, and medical (ISM) band, and the 2.8 GHz is allocated to verify the concept and can be adjusted to meet the user’s requirements. The measurement of the fabricated antennas closely matches the simulated results.

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

2017 ◽  
Vol 2 (3) ◽  
pp. 365-368 ◽  
Author(s):  
Kawan F. Ahmed ◽  
Rawaz H. Abdullah
Keyword(s):  
Return Loss ◽  
Low Cost ◽  
Dielectric Substrate ◽  
Microstrip Patch Antenna ◽  
Patch Antennas ◽  
Antenna Gain ◽  
Wireless Applications ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Low Profile

In this paper two rectangular microstrip patch antennas are designed to operate in and  bands, using Computer Simulation Technology (CST) Microwave Studio. The designed antenna can be used for industrial, scientific and medical (ISM) band applications. The RO4350B hydrocarbon ceramic laminates from ROGRES corporation substrate is chosen in the design of the dielectric substrate of the antennas. The designed antenna has low profile, low cost, easy fabrication and good isolation. The parameters such as return loss, voltage standing wave ratio (VSWR), antenna gain, radiation pattern has been simulated and analyzed.

scholarly journals Multiband Array Antenna towards Microstrip Patch antenna using Resonant Frequency for s band Application

2021 ◽  
Vol 23 (07) ◽  
pp. 995-1005
Author(s):  
Nivedita Mishra ◽  
◽  
Dr. Saima Beg ◽  
Preeti Singh ◽  
◽  
...  
Keyword(s):  
Low Cost ◽  
Mirror Image ◽  
Mirror Reflection ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Low Profile ◽  
Single Structure ◽  
Effective Use ◽  
Good Agreement

In today’s world, the requirement for lower-weight, low-cost, low-profile, and effective-use transmitters is growing by the day. For addressing these parameters in a variety of applications, microstrip patch antennas are more popular than other antennas. The main issue with these types of microstrip patch antennas is that they have a high return loss, VSWR, and bandwidth, but these issues can be rectified utilizing a design technique. The method of design was to use mirror image layouts, which was a simple and easy way to improve performance. The efficiency of a simple patch cannot be influenced by any single structure that lacks a mirror reflection. In this study, the two +-shaped constructions are used, and the results are in good agreement. In today’s world, these antennas have a variety of uses, including WLAN and s band applications. In the future, various frameworks will be used to improve the results that have been produced thus far.

The Design of Dual Band Circularly Polarized Patch Antenna for Civilian GPS Applications

2013 ◽  
Vol 397-400 ◽  
pp. 1967-1971
Author(s):  
Guo Xing Jiang
Keyword(s):  
Circular Polarization ◽  
Patch Antenna ◽  
Low Cost ◽  
Dual Band ◽  
Patch Antennas ◽  
Dual Frequency ◽  
High Frequency Structure Simulator ◽  
Microstrip Patch Antennas ◽  
Low Profile ◽  
Compact Size

Antenna is all important part of GPS receivers，there is a great need for the design and production of new antennas which are fully compatible with modernized signals. Because of their advantages such as low cost, compact size, low profile，ability to support dual-frequency and circular polarization operation, microstrip patch antennas have become widely used in GPS antenna designs. A circular polarization patch antennas are proposed in the paper. The antenna designed to operate at L1(1575.42MHz) and L5(1176.45MHz)frequency bands. Initially, a comer-truncated patch antenna for GPS L1 operation was designed to validate simulation in Ansoft High Frequency Structure Simulator(HFSS), the results obtained for this antenna were used to design the two proposed antennas,and designed antennas are presented．

scholarly journals Improving the Performance of a Microstrip Antenna by Adding a Slot into Different Patch Designs

2021 ◽  
Vol 11 (4) ◽  
pp. 7469-7476
Author(s):  
M. J. Hakeem ◽  
M. M. Nahas
Keyword(s):  
Microstrip Antenna ◽  
Low Cost ◽  
Ground Plane ◽  
Front Surface ◽  
Dielectric Substrate ◽  
Patch Antennas ◽  
High Frequency Structure Simulator ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Antenna Performance

Microstrip patch antennas are attractive for communication applications due to their small size, low cost, and easy fabrication. Regardless of the diverse usage of these antennas, their bandwidth and efficiency are still limited and need to be improved. Therefore, this paper aims to enhance the bandwidth and efficiency of a microstrip antenna by inserting a slot into various patch designs. Flame Retardant (FR4) material is used in the dielectric substrate and the antenna is fed by a microstrip line. Virtually, the antenna performance is attempted to be optimized through empirical investigations of feedline lengths, slot sizes and positions, and ground plane dimensions and locations. To achieve the results, the High Frequency Structure Simulator (HFSS) is used, and the paper concludes by showing that the antenna performance is enhanced by the slot, and the return loss is significantly reduced when the ground plane is moved to the front surface of the antenna.

scholarly journals Design of Ku Band Microstrip Patch Antenna Array for Satellite Applications

2019 ◽  
Vol 8 (3) ◽  
pp. 7903-7908
Keyword(s):  
Low Cost ◽  
High Gain ◽  
Patch Antennas ◽  
Long Distance ◽  
Array Configuration ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Low Profile ◽  
Satellite Applications ◽  
Distance Communication

Conventional Microstrip patches are in small in size, but their gain is quite low for most applications. Long-distance communication requires high gain antennas. For conventional applications that require high gain mostly depends on parabolic antennas and arrays. Manufacturing parabolic antennas became complex at high frequencies because of its bent geometry. Microstrip Patch Antennas are low profile, low cost, they come with ease of fabrication and results in high beam scan width and high gain when they were used as an array configuration. In this paper, square and circular shaped Microstrip patch antennas are excited with inset feed are analyzed to determine which shape of antenna works well at the Ku (12-18GHz) Range of Frequency. Return loss, VSWR, Gain, and Directivity parameters are considered to analyze the above configurations. CST studio suite tool was used to simulate the configurations.

Patch antennas utilizing semi-insulating SiC for monolithic integration of the antenna subsystem on a SiC chip

2014 ◽  
Vol 1693 ◽  
Author(s):  
Tutku Karacolak ◽  
Rooban V. K. G. Thirumalai ◽  
Erdem Topsakal ◽  
Yaroslav Koshka
Keyword(s):  
Silicon Carbide ◽  
Computer Simulations ◽  
Return Loss ◽  
Dielectric Substrate ◽  
Experimental Results ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Semiconductor Chip ◽  
Good Agreement

ABSTRACTSemi-insulating (SI) silicon carbide (SiC) was evaluated as a candidate material for dielectric substrate for patch antennas suitable for monolithic antenna integration on a SiC semiconductor chip. Computer simulations of the return loss were conducted to design microstrip patch antennas operating at 10 GHz. The antennas were fabricated using SI 4H-SiC substrates, with Ti-Pt-Au stacks for ground planes and patches. A good agreement between the experimental results and simulation was obtained. The radiation performance of the designed SiC based patch antennas was as good as that normally achieved from antennas fabricated using conventional RF materials such as FR4 and Rogers. The antennas had the gain around 2 dBi at 10 GHz, which is consistent with the conventional antennas of a similar size.

Omnidirectional multi-band stacked microstrip patch antenna with wide impedance bandwidth and suppressed cross-polarization

2016 ◽  
Vol 9 (3) ◽  
pp. 629-638 ◽  
Author(s):  
Jaishanker Prasad Keshari ◽  
Binod Kumar Kanaujia ◽  
Mukesh Kumar Khandelwal ◽  
Pritam Singh Bakariya ◽  
Ram Mohan Mehra
Keyword(s):  
Ground Plane ◽  
Impedance Bandwidth ◽  
Triple Resonance ◽  
Patch Antennas ◽  
Cross Polarization ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Resonance Frequencies ◽  
Polarization Level ◽  
Triple Band

In this paper, triple-band stacked microstrip patch antennas (MPAs) are presented with wide impedance bandwidth and suppressed cross-polarization level. Triangular and circular shaped slots are embedded in the patch of antenna. Slot-loaded microstrip patches are fed with meandered microstrip line supported by a semi-ground plane structure. Triangular shaped slot-loaded MPA shows triple resonance at frequencies 2.2, 4.45, and 5.3 GHz having bandwidth of 45.9, 19.23, and 15.67%, respectively. Circular shaped slot-loaded MPA also shows triple resonance at frequencies 2.2, 4.42, and 5.38 GHz having bandwidth of 50.24, 33.21, and 13.43%, respectively. Using circular slot in place of triangular; bandwidth of the first and the second band is improved by 4.34 and 13.98%, respectively. Both the proposed antennas show an omnidirectional radiation pattern at all three resonance frequencies in the xz-plane with almost 0 dBi gain. Both the proposed antennas are fabricated on a FR-4 epoxy substrate and show a minimum level of cross-polarization radiations.

Single-fed dual band circularly polarised microstrip patch antennas

1996 ◽  
Author(s):  
David Sanchez-Hernandez ◽  
Georgios Passiopoulos ◽  
Ian D Robertson
Keyword(s):  
Dual Band ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch
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