Performance improvement of millimeter wave antennas (review)
DOI:
https://doi.org/10.3103/S0735272722100016Abstract
Millimeter-wave spectrum has drawn the attention of scientists and researchers due to its potential of implementing high data rates of up to 10 Gbps and plenty of bandwidth available in comparison to microwave spectrum. Antennas are considered to be the core of any wireless communication technology. Extensive research work was carried out on antenna systems in past decades. Consequently, this review paper presents a detailed analysis of millimeter-wave antennas deployed in former and present research activities for 5G applications. Several approaches, such as stacking, substrate integrated waveguide, MIMO, parasitic, superstrate and array approach have been studied and analyzed. Simultaneously, optimization algorithms are also reviewed for the millimeter-wave antennas as an enhancement technique for gain, bandwidth and the size reduction.
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