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MULTI-SITE MIMO COOPERATION IN CELLULAR NETWORKS

  • US 20150003431A9
  • Filed: 09/21/2010
  • Published: 01/01/2015
  • Est. Priority Date: 09/22/2008
  • Status: Active Grant
First Claim
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1. In a cellular communications network comprising a plurality of transmitting sites wherein each transmitting site comprises at least one antenna, a method of serving a given data stream to a target mobile terminal, comprising:

  • designating at least two of said plurality of transmitting sites as cooperating sites;

    assigning tones to each transmitting site from a sub-band associated with the cooperating sites;

    dividing said data stream into at least two sub-data streams, each of said sub-data streams for transmission over selected tones; and

    interlacing tones of said cooperating sites in accordance with a selected one of a time switching and a frequency switching transmit diversity technique.

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