WRC 2027 Agenda Item Details

Agenda Item: Agenda Item 1.14
Resolution(s): Resolution 254 (WRC-23)
Description of work:

This agenda item is to consider possible additional allocations to the MSS. It resolves to invite the ITU-R to:

  1. study the relevant spectrum requirements and technical, operational and regulatory matters for the MSS in connection with possible new allocations to the MSS in the frequency bands 2 010 - 2 025 MHz (Earth-to-space) and 2 160 - 2 170 MHz (space-to-Earth) in Regions 1 and 3 and 2 120 - 2 160 MHz (space-to-Earth) in all regions.
  2. study sharing and compatibility of possible new allocations to the MSS in these bands to ensure the protection of existing services allocated on a primary basis and also in adjacent frequency bands, without adversely affecting those services
  3. study possible technical, operational and regulatory measures that ensure the protection of existing services and their continued operation and future development without imposing additional regulatory or technical constraints on those services, while ensuring their protection from harmful interference, when considering possible additional allocations to the MSS

WRC-27 is invited to consider the results of the above studies and take necessary actions, as appropriate.
Comments:

Yet another MSS agenda item! This one complements the low-data-rate agenda item which also considers the band 2 010 - 2 025 MHz but for general MSS
Lead Working Party(s): WP 4C
Involved Working Parties: WP 3L, WP 4B, WP 5C, WP 5D, WP 7B, WP 7C
How Visualyse products can help:

Visualyse Professional can both GSO and non-GSO MSS systems, and services they might have to share with, including space operations, terrestrial fixed and mobile and adjacent band services including the EESS(passive), radio astronomy and space research (passive). Propagation models are available for space to space, space to Earth and terrestrial paths and Visualyse Professional can model both co-frequency and non-co-frequency interference scenarios.
How Transfinite consultants can help:

We can undertake studies including analysis of sharing between the different services covered by this agenda item including MSS, space operations, terrestrial fixed and mobile, EESS(passive), radio astronomy and space research (passive). We can help identify suitable system characteristics and sharing criteria, and provide contributions and representation at ITU-R Working Parties. Using our in house Visualyse Professional we can quickly model a very wide range of systems, services and scenarios.
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