scholarly journals High gain antenna at 915 MHz for off grid wireless networks

2020 ◽  
Vol 9 (6) ◽  
pp. 2449-2454
Author(s):  
Hussam Hamid Keriee ◽  
Mohamad Kamal A. Rahim ◽  
Nawres Abbas Nayyef ◽  
Zahriladha Zakaria ◽  
Ahmed Jamal Abdullah Al- Gburi ◽  
...  
Keyword(s):  
Wireless Networks ◽  
High Gain ◽  
Ism Band ◽  
Network Applications ◽  
High Gain Antenna ◽  
Rectangular Patch ◽  
Gap Technique ◽  
Low Profile ◽  
Planar Substrate ◽  
Compact Size

This paper presents a high gain antenna for off-grid wireless networks at 915 MHz. The requirements for compact size and high gain antenna are needed in the industrial, scientific and medical (ISM) band for better performance and coverage. Hence, microstrip planar substrate is proposed to overcome the size challenges. The proposed antenna is designed based on rectangular patch with air gap technique. The proposed antenna is optimized using computer simulation technology software (CST) and fabricated on low profile FR-4 substrate. The measured performance agreed well with the simulated one. The reflection of less than -10 dB is obtained with high gain of 6.928 dB at desired frequency. Overall, this antenna can be a good candidate for the off-grid wireless network applications. 

scholarly journals 28 GHz Microstrip Patch Antennas for Future 5G

2018 ◽  
Vol 2 (4) ◽  
pp. 1-6
Author(s):  
Keyword(s):  
Wireless Networks ◽  
Antenna Array ◽  
Patch Antenna ◽  
Structure Design ◽  
Slot Antenna ◽  
Potential Candidate ◽  
Significant Activity ◽  
Microstrip Patch ◽  
Rectangular Patch ◽  
Compact Size

Recently, the industry and academia there is significant activity in research and development towards the next generation micro and Pico cellular wireless Networks (5th generation). This paper presents, a structure design of microstrip patch antenna array operate at the central frequency of 28 GHz waveband is proposed. The patch antenna array consists of four elements with rectangular patch and uniform distribution. It has a compact size of 26.51 x 20.37 mm with operating frequency at 28 GHz. The inset feed technique is used for the matching between radiating patch and the 50Ω microstrip feedline. The proposed 2x2 antenna array successfully improve the antenna gain up to 8.393dB compare to existing CRLH TL CPW antenna with 2.99 dB, wideband antenna with 7.1 dB and 3.7 dB for broadband elliptical-shaped slot antenna. As a conclusion, the directivity of 10.13 db and efficiency is higher than 80% considered as a potential candidate for the 5G wireless networks and applications.

scholarly journals Design of a Low-Profile, Frequency- Reconfigurable, and High Gain Antenna Using a Varactor-Loaded AMC Ground

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 158635-158646
Author(s):  
Shuhui Yang ◽  
Yinchao Chen ◽  
Chenyin Yu ◽  
Yajie Gong ◽  
Fanglu Tong
Keyword(s):  
High Gain ◽  
High Gain Antenna ◽  
Low Profile

A HIGH GAIN ANTENNA WITH FRACTAL SLOT FOR ISM BAND

2018 ◽  
Vol 18 (6) ◽  
pp. 841-848
Author(s):  
Ajay Abrol ◽  
Shyam S. Pattnaik ◽  
Balwinder Singh Dhaliwal
Keyword(s):  
High Gain ◽  
Ism Band ◽  
High Gain Antenna

Metamaterial-based fabry-perot resonator for ultra-low profile high-gain antenna

2012 ◽  
Vol 54 (11) ◽  
pp. 2620-2623 ◽  
Author(s):  
Long Li ◽  
Shuo Lei ◽  
Chang-Hong Liang
Keyword(s):  
High Gain ◽  
High Gain Antenna ◽  
Low Profile ◽  
Fabry Perot

scholarly journals Metasurface‐based wideband, low‐profile, and high‐gain antenna

2019 ◽  
Vol 13 (4) ◽  
pp. 436-441 ◽  
Author(s):  
Zhen‐Zhong Yang ◽  
Feng Liang ◽  
Yu Yi ◽  
Deshuang Zhao ◽  
Bing‐Zhong Wang
Keyword(s):  
High Gain ◽  
High Gain Antenna ◽  
Low Profile

Wideband low-profile aperture-coupled circularly polarized antenna based on metasurface

2018 ◽  
Vol 10 (7) ◽  
pp. 851-859 ◽  
Author(s):  
Qi Zheng ◽  
Chenjiang Guo ◽  
Jun Ding
Keyword(s):  
Coplanar Waveguide ◽  
Axial Ratio ◽  
High Gain ◽  
Mode Analysis ◽  
Impedance Bandwidth ◽  
Equivalent Circuit Analysis ◽  
Circularly Polarized ◽  
Low Profile ◽  
Compact Size ◽  
Feeding Structure

AbstractIn this paper, a metasurface-based aperture-coupled circularly polarized (CP) antenna with wideband and high radiation gain is proposed and analyzed. The proposed antenna is comprised of coplanar waveguide coupling with 4 × 4 corner truncated square patches, which show compact size and low profile. The mechanism of the CP antenna is analyzed theoretically based on the mode analysis and equivalent circuit analysis. The parameters of feeding structure and truncated corner are studied and optimized to achieve wide impedance bandwidth (BW) and axial ratio (AR) BW. Finally, an overall size of 38.8 mm × 38.8 mm × 3.5 mm (0.71λ0 × 0.71λ0 × 0.064λ0 at 5.5 GHz) CP antenna is proposed and fabricated. The simulated results demonstrate that over 41.7% impedance BW (S11 < −10 dB) of 4.55–6.95 GHz and 3 dB AR BW of 5.05–6.15 GHz (fractional BW is about 19.6%) are achieved. In addition, the antenna yielded a broadside CP radiation with a high gain average about 7.5 dBic. Experimental results are in good agreement with the simulated ones.

scholarly journals Review on Millimeter Wave Antennas- Potential Candidate for 5G Enabled Applications

2016 ◽  
Vol 5 (3) ◽  
pp. 98 ◽  
Author(s):  
M. A. Matin
Keyword(s):  
Millimeter Wave ◽  
High Speed ◽  
High Gain ◽  
Potential Candidate ◽  
60 Ghz ◽  
Communication Services ◽  
Low Profile ◽  
Compact Size ◽  
Millimeter Wave Antenna ◽  
On Chip

The millimeter wave (mmWave) band is considered as the potential candidate for high speed communication services in 5G networks due to its huge bandwidth. Moreover, mmWave frequencies lead to miniaturization of RF front end including antennas. In this article, we provide an overview of recent research achievements of millimeter-wave antenna design along with the design considerations for compact antennas and antennas in package/on chip, mostly in the 60 GHz band is described along with their inherent benefits and challenges. A comparative analysis of various designs is also presented. The antennas with wide bandwidth, high-gain, compact size and low profile with easiness of integration in-package or on-chip with other components are required for 5G enabled applications. 

scholarly journals Roger 3450 Vs RF4 Martials - Based Frequency And Pattern Reconfigurable Rectangular Patch Slot Antennas For RFID Applications

2021 ◽  
Vol 12 (6) ◽  
pp. 1145-1151
Author(s):  
Salah Mohmad Alsadiq Aboghsesa, Et. al.
Keyword(s):  
High Gain ◽  
Slot Antenna ◽  
Slot Antennas ◽  
Feeding Method ◽  
Rectangular Patch ◽  
Low Profile ◽  
Epoxy Material ◽  
Vertical Ground ◽  
Coaxial Probe ◽  
Rfid Applications

Rectangular Patch Slot Antennas RPSA are getting becoming more likable and popular for practice in wireless implementations such as RFID applications especially in the UHF band thanks to its low-profile structure. This kind of antenna is able to deliver large communication distances but this antenna coverage is very weak which is part of the main drawbacks of these antennas. In this paper, Rectangular Patch Slot Antenna RPSA with different slots has been designed and simulated to be suitable for RFID applications. Circular polarized CP antenna that has been designed to use feed structure with vertical ground encircling a radiating component. The feeding method to feed this antenna is coaxial probe. The paper will concentration on both substrate materials Roger 4350 and FR4 Glass-Epoxy material to model and simulate the designs. The other factor of the design is the patch antenna will cut at the four truncated corners to enhance the antenna gain which will affect considerably the operating frequency. This paper aims to show and find the best feed point area that has an exceptional antenna return loss (S11) and high gain. S11 describe the power reflected from the antenna, which is known as the reflection coefficient S11 must be ≤ -10dB. The design and simulation results of RPSA has been done by high frequency simulation system (HFSS 13.0).

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