Nanaimo <> Vancouver AirMux link test.
- When: August 6 2005, estimated start time 2PM.
- Objectives:
See how well the air link performs on a 61KM link using AirMux200 TDM gear.
- Measure and saturate the Ethernet side of the link.
- Measure and saturate the two T1 channels of the link.
- The real distance: ~64 KM
Pictures have been posted to the Gallery! Discussion : General group
Many thanks to WirelessTechnicalServices of Coquitlam, BC for lending us the AirMux200 equipment to test!
Table of Contents
Contents
Results
Brief summary - the test worked well, point and connect.
Well yes, yes it did
Link calculator says |
|
Rate |
36 Mbps |
Frequency |
5.8 GHz / TDD / 20 MHz |
Antenna gain |
32 dB |
Tx Power |
14 dBm |
Max Range |
58 KM |
Our Distance |
~65 KM |
Expected RSS |
-68 dBm |
Expected Ethernet Throughput (w/2xT1 TDM) |
2.6 Mbps |
Expected Ethernet throughout (no T1 TDM) |
5.9 Mbps |
What we measured |
|
Measured RSS |
-67 through -71 dBm |
Measured IP throughput |
5.7 Mbps |
Tested polarities |
Vertical and horizontal |
Packet loss |
Negligible |
Reports
Map of the link
Test Equipment
AirMux200 (ODU/F58/EXT) - w/external N connectors.
Two Tranzeo TR-5.8-32DB-ANT 3' 32 dB solid parabolic dishes.
- Cisco 3620/two T1
- Linksys WRT54Gs
Link plotting
Nanaimo (A)
Our primary site is in a developing residential neighborhood up on Mt Benson, just beyond Malsapina (sp?) college.
Transit information:
Route 5 - Fairview
Site A.1 aka: Monteclair
- 49 04' 45.8" 123 58 32.6"
Vancouver (B)
The Vancouver side of the link is on Cypress mountain.
There is no public transit to these sites but rides are available for people without cars. Post a message to the discussion thread if you need a lift.
Site B.1 aka: Cypress 1
The primary Cypress site is Cypress Bowl parking lot near the tubing hill.
Coordinates:
- 49 22 37.5" N 123 11 37.5" W
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Profiles
Nanaimo A.1 - Cypress B.1
Cypress B.1 - Nanaimo A.1
Cypress Airmux Signal
Vertical Polarization
Horizontal Polarization
