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Time division duplex system and method with improved guard time

  • US 20050157694A1
  • Filed: 01/21/2004
  • Published: 07/21/2005
  • Est. Priority Date: 01/21/2004
  • Status: Abandoned Application
First Claim
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1. A method in a time division duplex mobile communication network comprising the steps of:

  • estimating a propagation delay between a base station and a plurality of mobile stations in the time division duplex mobile communication network;

    arranging time slots in a frame in the time division duplex mobile communication network so that if the propagation delay between the base station and a first mobile station is less than the propagation delay between the base station and a second mobile station, the first mobile station is permitted to transmit in a time slot before the time slot of the second mobile station in the frame; and

    where the frame has a guard time between transmissions from the base station to the mobile stations and transmissions received by the base station from the mobile stations, setting the guard time in the frame to a value based on the propagation delay between the base station and the first mobile station.

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