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CRC-Covlab Coverage Prediction Software Seminar at Industry Canada
1. Ottawa, Feb 4 2010
Seminar Presented at Industry Canada
CRC-COVLAB
Coverage Prediction Software
Logiciel de PrĂŠdiction de Couverture
Presented by:
Doris CamirĂŠ
2. Outline
⢠Overview of CRC-COVLAB software
⢠Show some of the most recent coverage studies done at CRC (case
studies on DAB, HD Radio/FM-IBOC, ATSC-M/H).
⢠Live CRC-COVLAB demo: building a project and showing custom work
done for CBC/Radio-Canada, CRTC and COFETEL.
⢠Live demo of free online web coverage service CRC-COVWEB.
⢠Conclusion and questions.
3. What is CRC-COVLAB?
⢠Advanced scientific modelling software that performs coverage
prediction and interference analysis for various types of communication
systems.
⢠Terrestrial, satellite applications?
⢠Broadcast, wireless, telecom applications?
⢠Public safety applications (national defence, customs agency, police
force)
4. History
⢠Started as a small research project.
⢠Simulate Single Frequency Networks (SFN) for broadcast application.
⢠Grew to a sophisticated software.
5. Our Clients
Licensed throughout the world: North, Central, and South America, as well as
Europe, Asia and Australia.
Clients: governments, broadcast organisation, consultants, research labs, universities,
national defense and public safety agencies.
6. Database Compatibility
⢠Digital Elevation Models: Covers the world (DTED, USGS, CDED,
Computamaps, GLOBE30, SRTM1, SRTM3, and CRC (500m)).
⢠Land Cover Models: Covers the world (DTED, Computamaps, CRC
(500m)).
⢠Ground Conductivity Models: Covers the world (FCC, ITU...).
⢠Population Models: Covers North America (Canada, US, Mexico).
⢠Broadcast Database Models: Covers North America (Canada, US,
Mexico).
9. Simulation Parameters
â˘Propagation Model: CRC-PREDICT v. 2.07
â˘Receiver local service availability: 99%
â˘Terrain elevation database: SRTM3 (3arc/sec)
â˘Terrain type database: ComputaMaps 250m
10. Main transmitter on the World Trade Centre (400 w)
Legend
Outdoor
reception
14dB C/(N+I)
Indoor
reception
24dB C/(N+I)
11. Main transmitter on WTC (400 w)
with one Repeater on GRC (100 w)
Legend
Outdoor
reception
14dB C/(N+I)
Indoor
reception
24dB C/(N+I)
12. Main Transmitter on WTC (400 w)
With Repeater on GRC (400 w)
Legend
Outdoor
reception
14dB C/(N+I)
Indoor
reception
24dB C/(N+I)
13. Main Transmitter on WTC (400 w)
With Repeaters on GRC (400 w) and Chiquihuite (400 w)
Without Synchronization
Legend
Outdoor
reception
14dB C/(N+I)
Indoor
reception
24dB C/(N+I)
14. Main Transmitter on WTC (400 w)
With Repeaters on GRC (400 w) and Chiquihuite (400 w)
With Synchronization
Legend
Outdoor
reception
14dB C/(N+I)
Indoor
reception
24dB C/(N+I)
15. Main Transmitter on GRC (400 w)
With Repeaters on Torre Latino (400 w) and Plutarco (400 w)
With Synchronization
Legend
Outdoor
reception
14dB C/(N+I)
Indoor
reception
24dB C/(N+I)
16. Main Transmitter on GRC (400 w)
With Repeaters on Torre Latino (400 W) and Plutarco (25 W)
With Synchronization
Legend
Outdoor
reception
14dB C/(N+I)
Indoor
reception
24dB C/(N+I)
17. Main Transmitter on GRC (400 w)
With Repeaters on Torre Latino (400 w) and WTC (25 Watt)
With Synchronization
Legend
Outdoor
reception
14dB C/(N+I)
Service
Availability
99%
Indoor
reception
24dB C/(N+I)
18. Main Transmitter on GRC (400 w)
With Repeaters on Torre Latino (400 w) and WTC (25 Watt)
With Synchronization
Legend
Outdoor
reception
14dB C/(N+I)
Service
Availability
95%
Indoor
reception
24dB C/(N+I)
19. Main Transmitter on GRC (400 w)
With Repeaters on Torre Latino (400 w) and WTC (25 Watt)
With Synchronization
Legend
Outdoor
reception
14dB C/(N+I)
Service
Availability
90%
Indoor
reception
24dB C/(N+I)
22. What happens to the stationsâ coverage
at the Canada/US border?
23. What happens to the stationsâ coverage
at the Canada/US border?
24. CBBLâs Coverage Considering Surrounding
Analog Interference
Need to develop a
method to assess the
effect of US stations
turning on the HD
digital signal.