Publicado en 3C Tecnología. Special Issue – May 2019
The global broadband cellular demand is increasing exponentially resulting in a worldwide shortage of available bandwidths allocated for wireless transmission, leading to in–depth research being carried out in the underutilized Millimeter Wave (mmWave) bands which occupy the frequencies above 3GHz in the frequency spectrum. The 5G technology is evolving rapidly from the current 3G and 4G networks deployed worldwide, and the mmWave technology plays a vital role in the future 5G networks. Massive MIMO will be unprecedented during the design considerations when utilizing mmWave data streams with not only less complexity but will also enhance the spectral efficiency of the wireless system economically. This paper looks at the 5G revolution, its advantage over 4G, the incorporation between 5G and mmWave technologies, and MIMO antenna design considerations. It will also highlight the challenges facing the above technologies, and some new technologies such as Ultra Dense Networks (UDN), smart cities and Li–Fi which will incorporate mmWave, MIMO and 5G technology.
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3GHz, Millimeter Wave, 3G, 4G, 5G, MIMO, UDN, Smart cities, Li–Fi.