Low-Profile Patch Antennas With Vertical Monopole-Like Radiation Patterns Based on Modified Capacitive Coupling Structures

2012 ◽  
Vol 11 ◽  
pp. 1354-1357 ◽  
Author(s):  
Changliang Deng ◽  
Pinghui Li ◽  
Wenquan Cao
Keyword(s):  
Capacitive Coupling ◽  
Patch Antennas ◽  
Radiation Patterns ◽  
Low Profile

Low-profile U-shaped DRA for ultra-wideband applications

2016 ◽  
Vol 9 (3) ◽  
pp. 621-627 ◽  
Author(s):  
Idris Messaoudene ◽  
Tayeb A. Denidni ◽  
Abdelmadjid Benghalia
Keyword(s):  
Dielectric Resonator ◽  
Ground Plane ◽  
Ultra Wideband ◽  
Impedance Bandwidth ◽  
Dielectric Resonator Antenna ◽  
Radiation Patterns ◽  
Wide Bandwidth ◽  
Operating Band ◽  
Low Profile ◽  
Measurement Results

In this paper, a microstrip-fed U-shaped dielectric resonator antenna (DRA) is simulated, designed, and fabricated. This antenna, in its simple configuration, operates from 5.45 to 10.8 GHz. To enhance its impedance bandwidth, the ground plane is first modified, which leads to an extended bandwidth from 4 to 10.8 GHz. Then by inserting a rectangular metallic patch inside the U-shaped DRA, the bandwidth is increased more to achieve an operating band from 2.65 to 10.9 GHz. To validate these results, an experimental antenna prototype is fabricated and measured. The obtained measurement results show that the proposed antenna can provide an ultra-wide bandwidth and a symmetric bidirectional radiation patterns. With these features, the proposed antenna is suitable for ultra-wideband applications.

scholarly journals A Low Profile Wideband Antenna for WWAN/LTE Applications

2020 ◽  
Author(s):  
Rezaul Azim ◽  
Adnan Affandi ◽  
M Mottahir Alam ◽  
M Tariqul Islam
Keyword(s):  
Wireless Systems ◽  
Lower Portion ◽  
Radiation Patterns ◽  
Wideband Antenna ◽  
Operating Band ◽  
Low Profile ◽  
Communication Devices

In this paper a low profile antenna is presented for wideband communication applications. The presented design is consists of an I-shape driven strip and a rectangular ground strip with an open slot in the middle and steeped lower portion. Measured result demonstrates that the achieved operating band of the proposed antenna has the potential to cover Global Star Satellite Phones (1.61-1.63 GHz, uplink), Advanced Wireless Systems (1.71-1.76 GHz, 2.11-2.17 GHz), DCS (1710-1880 MHz), GSM (1800MHz), DCP (1.88-1.90 GHz), DCS-1900/PCS/PHS (1850-1990MHz), WCDMA/IMT-2000 (1920-2170MHz), UMTS (1920-2170 MHz), LTE bands (FDD LTE bands 1-4, 9-10, 15-16, 23-25, 33-37, 39). The designed antenna possessed a very small size of 0.35λ0 × 0.027λ0 at the lowest frequency (S11 ≤ -10dB) and achieved good gain, exhibits stable radiation patterns which make it suitable for handheld communication devices.

Alternating radiation patterns in patch antennas based MIMO terminals

2008 ◽  
Author(s):  
E. Rajo-Iglesias ◽  
O. Quevedo-Teruel ◽  
M. Sanchez-Fernandez ◽  
M.L. Pablo-Gonzalez
Keyword(s):  
Patch Antennas ◽  
Radiation Patterns

scholarly journals A Compact Printed Quadruple Band-Notched UWB Antenna

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Xiaoyin Li ◽  
Lianshan Yan ◽  
Wei Pan ◽  
Bin Luo
Keyword(s):  
Coplanar Waveguide ◽  
Radiation Patterns ◽  
Uwb Antenna ◽  
Broad Bandwidth ◽  
Wireless Applications ◽  
Notched Band ◽  
Low Profile ◽  
X Band

A novel compact coplanar waveguide- (CPW-) fed ultrawideband (UWB) printed planar volcano-smoke antenna (PVSA) with four band-notches for various wireless applications is proposed and demonstrated. The low-profile antenna consists of a C-shaped parasitic strip to generate a notched band at 8.01~8.55 GHz for the ITU band, two C-shaped slots, and an inverted U-shaped slot etched in the radiator patch to create three notched bands at 5.15~5.35 GHz, 5.75~5.85 GHz, and 7.25~7.75 GHz for filtering the WLAN and X-band satellite signals. Simulated and measured results both confirm that the proposed antenna has a broad bandwidth of 3.1~12 GHz with VSWR < 2 and good omnidirectional radiation patterns with four notched-bands.

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