VDL Mode 4 Cosite Investigations

1
VDL Mode 4 Cosite Investigations

• ACP WG-M 9th Meeting, Agenda item 3
• Montreal, October 2004

2
Cosite Investigations Plan

• Developed with the contribution of several
  parties at a meeting hosted by EUROCONTROL
• Identifies the required activities to complete
  the investigations
• Lays out a strategy for the test cases to be
  investigated

3
EUROCONTROL Work Plan

• Cosite Investigations work organised in three
  phases
• Phase 1 development of cosite interference
  testing scenarios and detailed testing plans
  (focus of current work)
• Phase 2 actual testing using the scenarios and
  tests defined in Phase 1
• Phase 3 evaluation of test results

4
Scheduling of work

• Q4 2004
• Completion of Phase 1
• Initiation of test campaign (Phase 2)
• Q2 2005
• Completion of Phase 2
• Q3/Q4 2005
• Completion of Phase 3

5
Other related activities

• voice transmissions profile
• statistical analysis considering both ATC AOC
• current usage of VHF voice radio
• based on data obtained from a major European
  airline
• proposes voice usage profile as input to cosite
  investigations
• voice receptions profile
• preliminary analysis considering signal levels
  only
• analytical-based and derives assumptions based on
  current airspace regimes

6
Current Work Phase 1

• Current Status
• development of detailed testing scenarios and
  testing plans
• Contract with ISA Telecoms to carry out Phase 1
• Details will be presented by ISA TELECOMS