Thread: Radio Cut-Out
View Single Post
  #8   Spotlight this post!  
Unread 02-04-2002, 08:14
Dave Flowerday Dave Flowerday is offline
Software Engineer
VRC #0111 (Wildstang)
Team Role: Engineer
 
Join Date: Feb 2002
Rookie Year: 1995
Location: North Barrington, IL
Posts: 1,366
Dave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond reputeDave Flowerday has a reputation beyond repute
Just to elaborate, the problem we've seen is that while someone else cannot directly control your robot (because of the team number protection), another signal on the same channel can interfere with your signal by corrupting some of the bits in the datastream. We've seen direct evidence of this at Motorola when we had last years robot powered up on the same channel (but with a different team number). In our case it usually shows up as a "twitching" of the drive modules which can certainly be dangerous. The combination of the team number and the checksum that the robot controller does provides very good protection (it's light years ahead of the old RNets) but it's not 100% foolproof.