A Broadband Ultra High Frequency (UHF) Fat-Dipole Antenna for Digital TV Applications
Source abstract
Abstract
A broadband and compact planar UHF antenna is presented for use in MIMO Digital TV indoor applications. The choice of the element and its physical implementation is oriented towards a low-profile, low-cost, and single-layer deployment. Since it is intended to be used in a 2 × 1 MIMO array, two antennas were constructed and tested to minimize their coupling to provide larger MIMO gains. Regarding the excitation, two different structures were evaluated to observe their impact on the final impedance profile. The option of an infinite balun provided a 62% fractional bandwidth (394 MHz to 747 MHz), covering the desired band and with good isolation levels when analyzed in the array. Results regarding MIMO parameters are provided herein, such as Envelope Correlation Coefficient and Total Active Reflection Coefficient, proving the potential of the proposed antenna array to be used in MIMO Digital TV applications in covering the UHF band.
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Research context
OpenAlex topics: Telecommunications and Broadcasting Technologies · Millimeter-Wave Propagation and Modeling · Power Line Communications and Noise
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Affiliations
Center for Engineering, Modeling and Applied Social Sciences (CECS), Federal University of ABC (UFABC), Santo André 09210-580, Brazil
Laboratory of Digital TV, Mackenzie Presbyterian University, São Paulo 01302-907, Brazil
References (31)
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