Three Overarching Trends on the Road to 5G
As 5G networks start commercial operations in countries including the United States, South Korea, China, and Japan, Base Station Antenna (BSA) vendors are innovating and coming to grips with the complex feature sets and performance demands required in a modern BSA.
In today’s converged Radio Access Network (RAN), which is expected to offer 3G, 4G LTE, and 5G communications deployed initially as Non-Standalone (NSA), fallback support for 4G LTE and even 3G Wideband Code Division Multiple Access (WCDMA) spectrum bands will be required. In addition, the trend toward higher orders of Component Carrier Aggregation (CCA) and dual connectivity (LTE-5G) will require multiple band support by the BSA for simultaneous connections to each network. The driver here is to converge all sub-2.7 GHz bands into one antenna and accommodate a second antenna or massive Multiple Input, Multiple Output (MIMO) antenna for mid-band (3.5 GHz) 5G to economize on cell tower space. The BSA must also support LTE-Advanced MIMO capabilities to their full potential and provide 4T4R…
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