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Method and apparatus for real time scheduling of traffic in wireless networks

  • US 20080232285A1
  • Filed: 03/24/2008
  • Published: 09/25/2008
  • Est. Priority Date: 03/23/2007
  • Status: Active Grant
First Claim
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1. A method for scheduling of traffic in wireless networks, whereas said network comprises real-time stations intending to send real-time traffic and best-effort stations sending best effort traffic, said method comprising:

  • transmitting by a primary real-time station periodically a real-time access marker to thereby define rounds;

    assigning a sequence number to each station in said network which intends to send real-time traffic;

    based on the sequence number assigned to a station, defining a fixed backoff time at which a packet from this station is transmitted after the start of a round to thereby establish a sequence in which the real-time packets are sent by the different realtime stations, said method being characterized by further comprising;

    overhearing for a predetermined period of time the traffic by a station which intends to send real-time traffic;

    if from said overhearing said station concludes that there is already a primary station transmitting real-time access markers, assuming by said station a sequence number based on the number of real-time stations which already are sending real-time traffic.

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