Ottawa, Feb 4 2010
                   Seminar Presented at Industry Canada




   CRC-COVLAB
   Coverage Prediction Softwa...
Outline
•   Overview of CRC-COVLAB software

•   Show some of the most recent coverage studies done at CRC (case
    studi...
What is CRC-COVLAB?
•   Advanced scientific modelling software that performs coverage
    prediction and interference anal...
History
•   Started as a small research project.

•   Simulate Single Frequency Networks (SFN) for broadcast application.
...
Our Clients
Licensed throughout the world: North, Central, and South America, as well as
                               Eu...
Database Compatibility
•   Digital Elevation Models: Covers the world (DTED, USGS, CDED,
    Computamaps, GLOBE30, SRTM1, ...
Propagation Models
•   CRC-PREDICT v.3.21, v.2.08r2, v.2.07
•   Okumura/Hata
•   ITU-R Rec. 370-7
•   ITU-R Rec. 1146
•   ...
DAB Digital Radio
Coverage Study in Mexico City
Simulation Parameters


•Propagation Model: CRC-PREDICT v. 2.07

•Receiver local service availability: 99%

•Terrain eleva...
Main transmitter on the World Trade Centre (400 w)

  Legend


   Outdoor
  reception
14dB C/(N+I)



    Indoor
  recepti...
Main transmitter on WTC (400 w)
               with one Repeater on GRC (100 w)
  Legend


   Outdoor
  reception
14dB C/(...
Main Transmitter on WTC (400 w)
                With Repeater on GRC (400 w)
  Legend


   Outdoor
  reception
14dB C/(N+I...
Main Transmitter on WTC (400 w)
           With Repeaters on GRC (400 w) and Chiquihuite (400 w)
                      Wit...
Main Transmitter on WTC (400 w)
           With Repeaters on GRC (400 w) and Chiquihuite (400 w)
                       Wi...
Main Transmitter on GRC (400 w)
       With Repeaters on Torre Latino (400 w) and Plutarco (400 w)
                      W...
Main Transmitter on GRC (400 w)
       With Repeaters on Torre Latino (400 W) and Plutarco (25 W)
                      Wi...
Main Transmitter on GRC (400 w)
         With Repeaters on Torre Latino (400 w) and WTC (25 Watt)
                      Wi...
Main Transmitter on GRC (400 w)
         With Repeaters on Torre Latino (400 w) and WTC (25 Watt)
                      Wi...
Main Transmitter on GRC (400 w)
         With Repeaters on Torre Latino (400 w) and WTC (25 Watt)
                      Wi...
HD Radio / FM-IBOC
Module in CRC-COVLAB
United States is going with HD Radio (FM-IBOC)
What happens to the stations’ coverage
      at the Canada/US border?
What happens to the stations’ coverage
      at the Canada/US border?
CBBL’s Coverage Considering Surrounding
          Analog Interference




                               Need to develop a...
CRC performed laboratory tests
 on the FM-IBOC technology
Implementation of the FM-IBOC module in
             CRC-COVLAB
FM-IBOC Module Accuracy
Does the module perform?
Let’s take it for a test drive!




Need field measurement data to compar...
HD Radio / FM-IBOC Measurement
   Comparison with Simulation
iBiquity Drive Tests
Throughout the US
KOST Los Angeles, California, Route @ -20 dBc
             Digital Power 20 dB Below Analog Power
KOST Los Angeles, California, @ -20 dBc
         Digital Power 20 dB Below Analog Power
KOST Los Angeles, California @ -10 dBc
         Digital Power 10 dB Below Analog Power




                               ...
WRAT Point Pleasant, NJ @ -20 dBc Digital Power 20 dB Below Analog Power




                                             ...
WRAT Point Pleasant, NJ @ -10 dBc Digital Power 10 dB Below Analog Power

                                            Tran...
NPR Drive Tests
Throughout the US
KQEI North Highlands, California @ -20 dBc Digital Power 20 dB Below Analog Power




                                    ...
WBEZ Chicago, Illinois @ - 20 dBc Digital Power 20 dB Below Analog Power




                                             ...
Canada/US Border Interference Analysis

              HD Radio
100         5
 90
 80         4
 70
 60         3
 50
 40         2
 30
 20         1
 10
  0         0
      Km2       Po...
1st Adjacent Interference
From US (Analog FM)




  100         5
   90
   80         4
   70
   60         3
   50
   40 ...
1st Adjacent Interference
From Detroit, US (IBOC Turned On)




  100         5
   90
   80         4
   70
   60         ...
1st Adjacent Interference
From US




  100         5
   90
   80         4
   70
   60         3
   50
   40         2
  ...
1st Adjacent Interference
From US




  100         5
   90
   80         4
   70
   60         3
   50
   40         2
  ...
1st Adjacent Interference
From US




  100         5
   90
   80         4
   70
   60         3
   50
   40         2
  ...
1st Adjacent Interference
From US




  100         5
   90
   80         4
   70
   60         3
   50
   40         2
  ...
100
        Stereo
           5
 90
 80         4
 70
 60         3
 50
 40         2
 30
 20         1
 10
  0         0
...
100
        Stereo
           5
 90
 80            4
 70
 60            3
 50 Loss:           Loss:
 40            2
 ~5,5...
Mobile DTV
    ATSC M/H
Coverage Prediction
Philadelphia, Pennsylvania
Philadelphia, Pennsylvania
Philadelphia, Pennsylvania
ATSC Digital Television 
Fixed Reception Coverage




                           ATSC

                           Analog
ATSC M/H Mobile Digital Television 
Mobile Reception Coverage




                                      ATSC

            ...
ATSC M/H Mobile Digital Television 
Adding a Second Transmitter
Increasing Coverage




                                  ...
ATSC M/H Mobile Digital Television 
Causing Interference to 
ATSC Traditional Digital Television




                     ...
www.crc.ca/covlab

   Thank you!
     Merci!
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CRC-Covlab Coverage Prediction Software Seminar at Industry Canada

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CRC-Covlab Coverage Prediction Software Seminar at Industry Canada

  1. 1. Ottawa, Feb 4 2010 Seminar Presented at Industry Canada CRC-COVLAB Coverage Prediction Software Logiciel de Prédiction de Couverture Presented by: Doris Camiré
  2. 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. 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. 4. History • Started as a small research project. • Simulate Single Frequency Networks (SFN) for broadcast application. • Grew to a sophisticated software.
  5. 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. 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).
  7. 7. Propagation Models • CRC-PREDICT v.3.21, v.2.08r2, v.2.07 • Okumura/Hata • ITU-R Rec. 370-7 • ITU-R Rec. 1146 • ITU-R Rec. 1546 • ITU-R Rec. 368-8 • ITU-R Rec. 1147 • Egli • TIREM • Longly-Rice v.1.2.2 • FCC point-to-point • F(50,50) curves • Freespace
  8. 8. DAB Digital Radio Coverage Study in Mexico City
  9. 9. Simulation Parameters •Propagation Model: CRC-PREDICT v. 2.07 •Receiver local service availability: 99% •Terrain elevation database: SRTM3 (3arc/sec) •Terrain type database: ComputaMaps 250m
  10. 10. Main transmitter on the World Trade Centre (400 w) Legend Outdoor reception 14dB C/(N+I) Indoor reception 24dB C/(N+I)
  11. 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. 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. 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. 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. 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. 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. 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. 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. 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)
  20. 20. HD Radio / FM-IBOC Module in CRC-COVLAB
  21. 21. United States is going with HD Radio (FM-IBOC)
  22. 22. What happens to the stations’ coverage at the Canada/US border?
  23. 23. What happens to the stations’ coverage at the Canada/US border?
  24. 24. CBBL’s Coverage Considering Surrounding Analog Interference Need to develop a method to assess the effect of US stations turning on the HD digital signal.
  25. 25. CRC performed laboratory tests on the FM-IBOC technology
  26. 26. Implementation of the FM-IBOC module in CRC-COVLAB
  27. 27. FM-IBOC Module Accuracy Does the module perform? Let’s take it for a test drive! Need field measurement data to compare with the simulation. 27
  28. 28. HD Radio / FM-IBOC Measurement Comparison with Simulation
  29. 29. iBiquity Drive Tests Throughout the US
  30. 30. KOST Los Angeles, California, Route @ -20 dBc Digital Power 20 dB Below Analog Power
  31. 31. KOST Los Angeles, California, @ -20 dBc Digital Power 20 dB Below Analog Power
  32. 32. KOST Los Angeles, California @ -10 dBc Digital Power 10 dB Below Analog Power Transmitter Power Increased by 10 dB
  33. 33. WRAT Point Pleasant, NJ @ -20 dBc Digital Power 20 dB Below Analog Power 33
  34. 34. WRAT Point Pleasant, NJ @ -10 dBc Digital Power 10 dB Below Analog Power Transmitter Power Increased by 10 dB 34
  35. 35. NPR Drive Tests Throughout the US
  36. 36. KQEI North Highlands, California @ -20 dBc Digital Power 20 dB Below Analog Power 36
  37. 37. WBEZ Chicago, Illinois @ - 20 dBc Digital Power 20 dB Below Analog Power 37
  38. 38. Canada/US Border Interference Analysis HD Radio
  39. 39. 100 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  40. 40. 1st Adjacent Interference From US (Analog FM) 100 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  41. 41. 1st Adjacent Interference From Detroit, US (IBOC Turned On) 100 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  42. 42. 1st Adjacent Interference From US 100 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  43. 43. 1st Adjacent Interference From US 100 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  44. 44. 1st Adjacent Interference From US 100 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  45. 45. 1st Adjacent Interference From US 100 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  46. 46. 100 Stereo 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population 100 Mono 5 90 80 4 70 60 3 50 40 2 30 20 1 10 0 0 Km2 Population
  47. 47. 100 Stereo 5 90 80 4 70 60 3 50 Loss: Loss: 40 2 ~5,500 km2 ~300,000 people 30 20 1 10 0 0 Km2 Population 100 Mono 5 90 80 4 70 60 3 50 40 2 Loss: Loss: 30 ~12,500 km2 20 1 ~140,000 people 10 0 0 Km2 Population
  48. 48. Mobile DTV ATSC M/H Coverage Prediction
  49. 49. Philadelphia, Pennsylvania
  50. 50. Philadelphia, Pennsylvania
  51. 51. Philadelphia, Pennsylvania
  52. 52. ATSC Digital Television  Fixed Reception Coverage ATSC Analog
  53. 53. ATSC M/H Mobile Digital Television  Mobile Reception Coverage ATSC ATSC Mobile Analog
  54. 54. ATSC M/H Mobile Digital Television  Adding a Second Transmitter Increasing Coverage ATSC ATSC Mobile Analog
  55. 55. ATSC M/H Mobile Digital Television  Causing Interference to  ATSC Traditional Digital Television ATSC ATSC Mobile Analog
  56. 56. www.crc.ca/covlab Thank you! Merci!

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