WRC 2019 Agenda Item Details

Agenda Item: Agenda Item 1.10
Resolution(s): Resolution 426 [COM6/11] (WRC-15)
Description of work:

This agenda item relates to consideration of spectrum needs and regulatory provisions for the introduction and use of the Global Aeronautical Distress and Safety System (GADSS), in accordance with Resolution 426 [COM6/11] (WRC-15).

GADSS is intended to address the timely identification and location of an aircraft during all phases of flight as well as distress and emergency situations and to use existing and new applications to support search and rescue and flight data retrieval.

In particular:

  1. to study terrestrial and satellite components including
    1. data requirements, radiocommunication requirements relating to safety of life applications, performance criteria
    2. existing allocations to determine whether additional spectrum is required
    3. studies on sharing and/or compatibility with existing services and
  2. to study existing regulatory provisions to determine whether additional regulatory measures might be necessary.
Lead Working Party(s): WP 5B
Involved Working Parties: WP 3M, WP 4A, WP 4B, WP 4C, WP 5C, WP 5D, WP 6A, WP 7B, WP 7C, WP 7D
How Visualyse products can help: Visualyse Professional can model aeronautical (route and off-route) and aeronautical mobile satellite services including radiocommunication systems located on aircraft or satellites. Analysis can be undertaken at a range of frequencies including VHF using static, dynamic, area or Monte Carlo methodologies for both co-frequency and non-co-frequency scenarios. Aircraft can be flown along routes including take-off and landing manoeuvres randomized within a 3D zone to calculate either likelihood of interference or interference zones. Detailed models can include traffic and transmit / receive masks for non-co-frequency analysis. Propagation models such as P.528 can be used for ground-air / air-ground paths and a range of other models for terrestrial or Earth to space paths.
How Transfinite consultants can help: We can undertake studies including analysis of sharing between the services covered by this agenda item, and identify suitable system characteristics and sharing criterias, 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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