The diversity of frequencies employed can be tailored to the unique applications considering the higher frequencies are characterized by higher bandwidth, albeit shorter range. In addition to the millimeter wave, underutilized UHF frequencies between 300 MHz and 3 GHz are also being repurposed for 5G. Frequencies between 24 GHz and 100 GHz are now being allocated to 5G in multiple regions worldwide. The portion of the radio spectrum with frequencies between 30 GHz and 300 GHz is known as the millimeter wave, since wavelengths range from 1-10 mm. Multiple frequency ranges are now being dedicated to 5G new radio (NR). Modularity, reusability and self-containment of network functions are additional design considerations for a 5G network architecture described by the 3GPP specifications. Services are provided via a common framework to network functions that are permitted to make use of these services.
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