November 2020
Intermediate to advanced
258 pages
8h
English
book
Millimeter Wave Antennas for 5G Mobile Terminals and Base Stations
by Shiban Kishen Koul, G.S. Karthikeya
Content preview from Millimeter Wave Antennas for 5G Mobile Terminals and Base Stations
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6
Shared Aperture Antenna with Pattern Diversity for Base Stations
6.1Introduction
The tremendous recent increase in data-hungry applications, especially with respect to smartphone users, has encouraged researchers in academia and leading research organizations to look for the design of hardware ecosystem at 28 GHz and beyond for future 5G cellular systems, primarily because of spectral congestion in the sub-6 GHz bands. Path loss for mmWave communication links is high; for example, for a 10 m link at 28 GHz, the path loss is 82 dB as against 60 dB for the same distance for the existing commercial 4G cellular link. The penetration losses are also high (>20 dB) for the 28 GHz for common building materials such as concrete and brick [
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