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Receiver and a method therein

  • US 9,247,491 B2
  • Filed: 03/12/2013
  • Issued: 01/26/2016
  • Est. Priority Date: 03/15/2012
  • Status: Expired due to Fees
First Claim
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1. A method in a receiver for cell search to find an actual base station having a carrier frequency in a radio communications network, the method comprising:

  • detecting a first signal representative of a base station by performing;

    slot synchronization;

    frame synchronization;

    cell identification; and

    measuring a signal quality of the first signal and comparing the measured signal quality with a first threshold value;

    when it is detected that the first signal has a signal quality that is greater than the first threshold value, searching for at least one second signal representative of a base station for at least one frequency offset comprised in a set of offsets,when one or more second signals are detected, selecting a signal from the first and the one or more second signals with the highest signal quality, and detecting a broadcast radio channel representative of a base station for the signal selected from the first and the one or more second signals.

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