Channel Modeling

1
Channel Modeling

• Collect peer-peer channel propagation data
• In order to develop comprehensive and as
  realistic channel propagation model as possible,
  we need to develop
• Large scale path loss model
• Small scale fading model
• Validate HRL simulation
• Conduct measurements and collect data on
  wide-range of multi-path and fading scenarios
  using 802.11a wireless cards

2

• Test Scenario 1 Indoor laboratory setup
• Setup two test computers in the laboratory
• Conduct measurements under controlled lab
  environment
• Measure set of parameters such as RSSI, PER, SNR,
  etc.
• Conduct similar experiments in outdoor setup as
  described in following slides

3

• Test Scenario 2 Highway setup
• Setup two test vehicles (stationary) on highway
  shoulders
• Conduct setup of measurement under following
  conditions
• Minimum/light traffic (late night)
• Medium traffic (early morning / afternoon)
• Heavy traffic (peak hours)
• Repeat measurements in different hwy surroundings
  (buildings, guard rails, uphill, etc.)

4

• Test Scenario 3 Open Intersection
• Setup two test vehicles (stationary) at an open
  intersection
• Conduct setup of measurement under following
  conditions
• Minimum/light traffic (late night)
• Medium traffic (early morning / afternoon)
• Heavy traffic (peak hours)
• Repeat measurements at different intersection
  surroundings

5

• Test Scenario 4 Busy (not good line of sight)
  Intersection
• Setup two test vehicles (stationary) at busy
  intersection
• Conduct setup of measurement under following
  conditions
• Minimum/light traffic (late night)
• Medium traffic (early morning / afternoon)
• Heavy traffic (peak hours)
• Repeat measurements at different intersection
  surroundings (semi-open)

6

• In all test scenarios, the test vehicles are
  stationary
• However, different traffic conditions would
  provide variations in multi-path and signal
  fading