A 2.45-GHz microstrip patch antenna was designed for small-satellite communications. Optimization was achieved by trimming the copper patch to minimize the input return loss over the desired 2:1 VSWR bandwidth. Final testing of the antenna included a successful long-range data transmission over which pictures taken by the satellite were sent to the ground station. In addition to the microstrip ...

This paper presents a single-patch broadband microstrip Sshaped patch antenna. Microstrip S-shaped patch antenna, fed by a coaxial feeding. The antenna is designed by inserting two slots into rotated square patch then it look like english letter S. Because of the slots and thick substrate, bandwidth of antenna is increased. The proposed antenna is operating at centre frequency of 4.3GHz (i.e ne...

Abstract: The purpose of this paper was to design and implementation a single feed, dual frequency ( L1, L2) patch antenna for the Global Positioning System (GPS). The results from the simulation and measurement for this antenna is presented, compared, and used as part of the validation process for the dual frequency, right hand circularly polarized patch antenna designed for GPS L1, L2 operati...

The millimeter-wave front-end module for an automotive radar sensor is generally composed of an antenna placed on the front surface of the sensor head and a millimeter-wave circuit inside it. As the antenna for the radar sensor, several types of antennas, a slotted waveguide antenna, a triplate antenna, a dielectric lens antenna, a dielectric leaky wave antenna and a microstrip antenna, have be...

The microstrip antenna is one of the best antenna structures, due to its low cost and compact design. In this paper, a coaxial feed circularly polarized square patch antenna is designed using the U-slot. The proposed antenna is suited for the RFID readers in the SHF band. This structure of antenna of FR4 substrate (dielectric constant = 3.5), is capable to cover the range of frequency of 2.4 to...

Here we made an attempt to maximize the gain of microstrip patch antenna. To achieve this we used microstrip circular patch antenna at 5.8 GHz frequency ISM Band Application. Single FSS (frequency selective surface) substrate is used to increase efficiency. Parameters are set accordingly and results of microstrip patch antenna with FSS layer and microstrip patch antenna without substrate later ...

Based on the C-shaped microstrip slot antenna, a new photonic band gap substrate for multifrequency microstrip slot antenna is designed. The antenna has a groove been dug below the radiation plate, within which the radiation plate is placed, and air triangular prism column gaps with different height are placed in the substrate periodically. Numerical simulation is performed for the antenna with...

The proposed multiband planar inverted-F antenna has a very simple structure. The antenna has only one layer so it is easy to fabricate. The size of radiating patch of proposed antenna is 20mm× 25mm, while the size of ground plane is 39mm×39mm and height of antenna is 3mm. Mathematical tools are used to determine the initial dimensions of the patch and RT Duroid has been used as a dielectric ma...

This paper presents the design of a wheel shaped multiband fractal Antenna. This Fractal antenna has been designed on substrate εr = 4.3 and thickness h = 1.53 mm. This new antenna has been fed with CPW – Fed. The antenna exhibits the multiband resonances due to selfsimilarity in antenna structure. The experimental results indicate that resonant frequencies occur at 1.34 GHz, 2.575 GHz, 4.22 GH...

In this paper, the authors propose a circularly polarized printed antenna combining a slot array antenna and a patch antenna, with dual-band operation. The proposed antenna has good isolation performance, is compact, and has simple configuration. This antenna is composed of two parts, a patch antenna (for Rx) on the top, and a slot array antenna (for Tx) on the bottom, respectively. The element...