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System and method for maintaining spectral capacity in time division duplex (TDD) systems

  • US 6,275,475 B1
  • Filed: 06/15/1998
  • Issued: 08/14/2001
  • Est. Priority Date: 06/15/1998
  • Status: Expired due to Term
First Claim
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1. A communications system comprising:

  • a plurality of time division duplex (TDD) platform pairs, each TDD platform pair comprising a first communications platform and a second communications platform being coupled to said first communications platform, said first communications platform transmitting first data during a first frame, receiving second data during a second frame, said second communications platform receiving third data during said first frame, transmitting fourth data during said second frame; and

    a plurality of time division duplex subscriber units (TDDSUs), each TDDSU establishing a first link with said first communications platform, establishing a second link with said second communications platform, receiving said first data from said first communications platform using said first link during said first frame, transmitting said third data to said second communications platform using said second link during said first frame, transmitting said second data to said first communications platform using said first link during said second frame, receiving said fourth data from said second communications platform using said second link during said second frame.

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