Detecting the number of transmit antennas in a base station

  • US 8,472,567 B2
  • Filed: 09/10/2012
  • Issued: 06/25/2013
  • Est. Priority Date: 08/07/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving from a transmitter a plurality of scrambled bits within a data frame;

    descrambling the plurality of scrambled bits to produce broadcast channel data, wherein descrambling the plurality of scrambled bits uses a selected one of a plurality of unique pre-determined scrambling sequences, each unique pre-determined scrambling sequence corresponding to a number of transmit antennas used by the transmitter; and

    determining the number of transmit antennas used by the transmitter according to the selected unique pre-determined scrambling sequence used to descramble the plurality of scrambled bits,wherein receiving the plurality of scrambled bits comprises receiving the plurality of scrambled bits within a primary broadcast channel in accordance with a Long Term Evolution (LTE) standard.

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