ITU Members Agree To New Milestones For Non-geostationary Satellite Deployment

Press release provided by ITU News

ITU Members Agree To New Milestones For Non-geostationary Satellite Deployment
Photo by ITU Pictures on Flickr

Delegates representing the ITU Member States have agreed at the World Radiocommunication Conference (WRC-19) in Sharm el-Sheikh, Egypt, to adopt an innovative new milestone-based approach for the deployment of non-geostationary satellite (NGSO) systems in specific radio-frequency bands and services.

The agreement reached WRC-19 establishes regulatory procedures for the deployment of NGSO, including mega-constellations in low-Earth orbit.

Under the newly adopted regulatory regime, these systems will have to deploy 10% of their constellation within 2 years after the end of the current regulatory period for bringing into use, 50% within 5 years and complete the deployment within 7 years.

The milestone-based approach will provide a regulatory mechanism to help ensure that the Master International Frequency Register reasonably reflects the actual deployment of such NGSO satellite systems in specific radio-frequency bands and services.

It also seeks to strike a balance between the prevention of radio-frequency spectrum warehousing, the proper functioning of coordination mechanisms, and the operational requirements related to the deployment of NGSO systems.

Adapting to satellite industry innovation

The agreement struck in Sharm el-Sheikh reflects the rapid pace of satellite innovation that is driving an increase in the deployment of non-GSO constellations.

Indeed, with the availability of launch vehicles capable of supporting multiple satellite launches, mega-constellations consisting of hundreds to thousands of spacecraft are becoming a popular solution for global telecommunications.

This includes extensive low-latency broadband coverage, remote sensing, space and upper atmosphere research, meteorology, astronomy, technology demonstration and education.

“Advances in satellite design, manufacturing and launch service capabilities have created new possibilities for high-bandwidth connectivity around the world,” said Mario Maniewicz, Director of the ITU Radiocommunication Bureau. “This landmark agreement at WRC-19 represents a technological milestone that will enable the deployment of next-generation communications while providing broadband Internet access to the most remote regions.”

Increasing satellite filings to ITU

While satellites in geostationary (GSO) orbit are aligned with the earth’s rotation at an elevation of 36,000 km, non-GSO satellites move across the sky during their orbit around the earth, in medium Earth orbit (MEO) 8,000 – 20,000 km above the earth and in low-Earth orbit (LEO) at elevations between 400 and 2000 km.

Filings for frequency assignments to NGSO satellite systems composed of hundreds to thousands of satellites have been received by ITU since 2011, in particular in frequency bands allocated to the fixed-satellite service (FSS) or the mobile-satellite service (MSS).

The conference specifically called for further studies by ITU on tolerances for certain orbital characteristics of NGSO space stations of the fixed-satellite, mobile-satellite and broadcasting satellite services as well as for the possible development of post-milestone procedures.


This press release is provided by ITU News. See the original publication.

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