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Communication unit and method for selective frequency synchronization in a cellular communication network

  • US 8,768,400 B2
  • Filed: 06/25/2009
  • Issued: 07/01/2014
  • Est. Priority Date: 09/02/2008
  • Status: Active Grant
First Claim
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1. A communication unit comprising:

  • a receiver configured to receive radio frequency (RF) signals from at least one wireless serving communication unit; and

    a signal processing logic module arranged o decode transmit power information from a received RF signal sent by the at least one wireless serving communication unit, the signal processing logic module arranged to;

    determine from the decoded transmit power information whether a transmission from the at least one wireless serving communication unit is suitable for use as a timing reference; and

    if it is determined that the transmission is suitable for use as a timing reference, to synchronize an operating frequency of the communication unit to the received RF signal of the at least one wireless serving communication unit.

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