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Apparatus, method and computer program product providing priority setting for multi-rat interworking

  • US 9,258,769 B2
  • Filed: 02/12/2008
  • Issued: 02/09/2016
  • Est. Priority Date: 02/12/2007
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a receiver configured to receive, from a wireless network operator, a list comprising a plurality of radio access technologies and a plurality of frequency carriers, each of the plurality of frequency carriers being associated with at least one of the plurality of radio access technologies, each of the radio access technologies and its associated frequency carrier being ranked in order of priority;

    a memory configured to store the list; and

    a user equipment controller configured to consult the stored list comprising the plurality of radio access technologies, compare at least one of a signal measurement and a quality measurement with at least one threshold established for a certain radio access technology of the plurality of radio access technologies, and to select/reselect the certain radio access technology only if the at least one of the signal measurement and the quality measurement exceeds the at least one threshold,wherein the user equipment consults the list to determine the highest ranking radio access technology and its associated frequency carrier, and when the user equipment is not using the highest ranking radio access technology and its associated frequency carrier, the user equipment attempts to switch to the highest ranking radio access technology and its associated frequency carrier.

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