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Identifying remote radio units in a communication system

  • US 7,286,843 B2
  • Filed: 05/14/2004
  • Issued: 10/23/2007
  • Est. Priority Date: 02/12/2004
  • Status: Expired due to Fees
First Claim
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1. A method for identifying a remote radio unit in a communication system comprising a plurality of remote radio units communicating with a central unit and pattern providing means for providing information about dedicated gain change patterns of the plurality of remote radio units, the method comprising:

  • receiving from a station a signal by a remote radio unit of a plurality of remote radio units;

    changing a gain of at least one remote radio unit according to a dedicated gain change pattern of said at least one remote radio unit;

    detecting a gain change pattern for the received signal; and

    identifying the remote radio unit by comparing the detected gain change pattern with information about dedicated gain change patterns of the plurality of remote radio units provided by a pattern providing means.

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