Abstract
In this study, a compact ultra-wide band microstrip antenna loaded with C-shaped parasitic elements, for Digital Video Broadcasting – Terrestrial (DVB-T) and LTE 450 / 700 signal reception, is presented. The proposed antenna is named “HI Monopole”, and its geometry has been designed to be simple and intuitive, lightweight, compact, possessing a low fabrication cost as well as an easy installation process inside electronic gadgets. The HI Monopole operates with ultra-wide bandwidth characteristics for operation within Digital Video Broadcasting – Terrestrial (DVB-T) standard, 470–890 MHz, that has been accomplished by: inserting an indent in its ground plane, adjusting the dimension of the feeding line, and adding two C-shaped parasite elements onto the region posterior to the antenna’s main irradiating element. It was verified through electromagnetic measuring that this device is capable of covering the 429-1022 MHz range, thus having 593 MHz of bandwidth. The superior and inferior cutoff frequencies have been chosen as the values in –10 dB of the device’s return loss. Therefore, the proposed antenna can be utilized in DTV and LTE signal reception through broadcasting in any country, independently of its adopted standard.
Highlights
As a robust communication mechanism, television has had an important role in social and cultural development of several civilizations, along many decades, connecting citizens to their country and to the whole world
The first class of antenna was conceived without the ground plane notch and with no loaded parasitic elements, i.e., it has just the main HI radiator element and a rectangular ground strip printed on the surface opposite to the antenna’s patch side
A compact ultra-wide-band HI monopole antenna loaded with C-shaped parasitic elements for Digital Video Broadcasting – Terrestrial (DVB-T) and LTE applications has been developed and presented in this work
Summary
As a robust communication mechanism, television has had an important role in social and cultural development of several civilizations, along many decades, connecting citizens to their country and to the whole world. In the study proposed in this paper it is designed a HI Monopole-type antenna to cover 100% of the DVB-T standard band, and the bands of LTE-450 and LTE-700 [13] This project was developed so that the device, in a single structure, displays characteristics such as: ultra-wideband operation, low complexity design and simple geometry, compactness, lightweight and inexpensive fabrication that can be integrated into the housing of electronic equipment. Two epoxy glass substrate prototypes of the device have been built, both with dimensions of 48 × 152.5 × 1.57 mm With these physical parameters, it is verified that the HI Monopole with C-shaped parasite load configuration is capable of operating within the band 429– 1022 MHz (593 MHz of bandwidth), i.e., the device is an ultra-wide-band antenna.
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