Benoit latré   isbo ng wi nets - avoiding interference
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Benoit latré   isbo ng wi nets - avoiding interference Benoit latré isbo ng wi nets - avoiding interference Presentation Transcript

  • NGWiNet - 1st Workshop 1 st year demo IBCN Lieven Tytgat, Benoît Latré, Ingrid Moerman www.ibcn.intec.ugent.be INTEC Broadband Communication Networks (IBCN) Department of Information Technology (INTEC) Ghent University - IBBT
  • Avoiding interference   Goal: Node selects channel with least interference for receiving data   How:   Node scans the channels   Node chooses the best channel (channel X)   Node broadcasts this channel to its neighbors   Neighbors send to the node on channel X 2
  • Avoiding interference   Channel scanning: demo 3 View slide
  • Avoiding interference   Microwave results 4 View slide
  •   Access point turned on on blue channel (overlap on red channel) 5
  • Avoiding interference 6 6
  • Avoiding interference   Demo:   Bring access point online   Node stays on same channel 7
  • Avoiding interference 8 8
  • Avoiding interference   Demo:   Bring access point online   Node selects new channel 9
  • Avoiding interference   Conclusions   Dynamically choosing a new channel improves PER   Faster and more reliable channel scanning needed!  Use IMEC’s sensing agent 10
  • Questions ? Lieven Tytgat, Benoît Latré, Ingrid Moerman www.ibcn.intec.ugent.be INTEC Broadband Communication Networks (IBCN) Department of Information Technology (INTEC) Ghent University - IBBT