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ADVANCED TECHNOLOGY FRAME STRUCTURE WITH BACKWARD COMPATIBILITY

  • US 20090116427A1
  • Filed: 11/05/2008
  • Published: 05/07/2009
  • Est. Priority Date: 11/07/2007
  • Status: Active Grant
First Claim
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1. A method of providing co-existing base stations comprising:

  • communicating through a first base station transmitter/receiver a downlink subframe, the downlink subframe starting at a first time and ending at a second time, wherein the downlink subframe includes a downlink legacy technology sub-subframe, a downlink advanced technology sub-subframe ending at a third time and an uplink advanced technology sub-subframe beginning approximately at the third time and ending on or before the second time; and

    transmitting from a neighboring base station transmitter/receiver a limited downlink sub-subframe, starting at the first time and ending before or approximately at the third time, including only a legacy downlink technology sub-subframe.

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