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Architecture to support network-wide multiple-in-multiple-out wireless communication

  • US 8,032,183 B2
  • Filed: 07/16/2007
  • Issued: 10/04/2011
  • Est. Priority Date: 07/16/2007
  • Status: Active Grant
First Claim
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1. A method performed in a controller, comprising:

  • determining, at the controller, at least one relative delay between signals transmitted over a plurality of backhaul links that communicatively couple the controller and a plurality of radio heads;

    transmitting, from the controller to the plurality of radio heads over the plurality of backhaul links, information indicative of a first signal; and

    providing timing information from the controller to the plurality of radio heads over the plurality of backhaul links, the timing information being determined based on said at least one relative delay such that the plurality of radio heads can use the provided timing information to control transmission of the first signal for coherent combination at a receiver.

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