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Wireless communication systems use transmitter and receiver antennas, in particular, patch antennas are widely used in applications such as telemetry, nautical, mobile communications, medical, industrial and applications in buildings and homes.
In homes and buildings, the presence of walls, different floor levels and other man-made obstacles provide interference and make difficult the Wi-Fi signals transmission/reception.
In Mexico, the openly television (TV) has a wide utilization due to several factors, among them, because, as it is known, not all population has access to the subscription TV. In this research, we developed a dual antenna array, for the openly TV frequencies, using an advanced material in order to obtain an antenna array with the appropriate sizes to be considered as a useful option for outdoor use...
In order to obtain antennas with adjustable bandwidth, arrays based on ring antenna are used, especially for the case when it is necessary to reduce it. The arrays are formed with an inner patch designed at the operation frequency of the system, and a gap coupled external ring, designed at other near lower frequency, which determines the bandwidth increment or decrement, respectively. Three basic...
In this research, experimental tests were realized in order to demonstrate the feasibility to use of epoxy resin as patch antenna radome. The interest in this material is due to its low cost and availability, two desirable characteristics for the prototypes fabrication. In the fists group of tests, the effect of three pieces of epoxy resin of different colors as interference object between a receiver...
Antennas are very important in communication wireless systems because of the main part, the sending and reception quality of the information depending on them. Dimensions and geometries of antennas depend on kind system (operation frequency), as well as the manufacturing material. In this research, we present an introduction about antennas design for GPS (f0=1.57542 GHz), considering different geometries...
The proposed antenna is formed by a patch rectangular antenna with an inner pentagonal one, built on FR-4, due its low cost and availability. There were considered 2.4 and 5.8 GHz as the operation frequencies, considering linear polarization in order to apply them to Wi-Fi equipments. The pentagonal patches were designed considering them as equivalents with the corresponding circular resonators. The...
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