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Synchronization of co-located radios in a dynamic time division duplex system for interference mitigation

  • US 10,033,511 B2
  • Filed: 10/27/2015
  • Issued: 07/24/2018
  • Est. Priority Date: 10/29/2014
  • Status: Active Grant
First Claim
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1. A method for operating a first of a plurality of co-located, non-time synchronous radios at a first location communicating data by frames with one or more other remote radios at a second and optionally additional locations in a wireless communication system, to synchronize first or uplink and/or second or downlink frame portions of the frames to mitigate interference between the co-located radios, comprising:

  • storing a frame table of attributes of uplink and/or downlink frame portions associated with frames of the first radio;

    wirelessly receiving at the first radio RF transmissions from at least a second of the co-located radios;

    monitoring by the first radio the spectral content of the RF transmissions from the at least second co-located radio;

    determining by the first radio, based on the monitored spectral content, characteristics for uplink and/or downlink frame portions of the first co-located radio to mitigate interference with the at least second co-located radio; and

    updating attributes in the frame table to enable interference-optimized uplink and/or downlink portions of frames of the first co-located radio.

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