Trends and forecasts of microwave spectrum bands

Today, there are approximately 10 million transceivers installed for backhaul worldwide. Figure 3 depicts regional microwave spectrum usage, where the size of each circle represents the installed base.

A key finding of this updated report is that compared to five years ago, the E-band (70/80 GHz) installed base has grown from 1% to approximately 6% of the installed base. total. That puts it on par with 38 GHz, a high-volume band for 20 years. The use of e-band will continue to grow in the coming years with stand-alone and multi-band deployments.

Other bands that have grown in recent years are the 32 GHz band, which will support some 26 and 28 GHz deployments when reallocated to 5G New Radio (NR), and 6 and 11 GHz which continue to grow due to increased rural capacity. requests. There has also been a significant increase in 13 GHz links in India.

Among the bands identified for IMT (International Mobile Telecommunications) at the 2019 World Radiocommunication Conference (WRC-19), countries have started allocating spectrum in the bands identified for IMT globally 24,25– 27.5GHz and 37–43.5GHz. Allocations in the 28 GHz band for mobile use have also occurred worldwide. The 28 and 38 GHz bands have been allocated in the United States, all or part of 26 GHz in European countries and 26 or 28 GHz in Asia-Pacific and Central and Latin America countries. Licensing decisions for 5G NR are made on an individual, country-by-country basis, and many other countries are already in the process of allocating these bands for 5G NR. The 42 GHz band (40.5–43.5 GHz) is currently
harmonized for MFCN (Mobile/Fixed Communication Networks) in Europe, enabling 5G NR deployments, but the transition from the 42 GHz frequency band to 5G NR use in Europe is unlikely to occur before 2025. For WRC- 23, the upper 6 GHz band is to be considered for IMT identification.

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