Method and apparatus for handling roaming lists in a wireless communication system
First Claim
1. A method for updating a roaming list in a mobile station, the mobile station storing a roaming list in a first format, the method comprising:
- receiving a roaming list format identifier;
transmitting an error message if the format identifier is not compatible with the first format; and
transmitting configuration information of the first format if the format identifier is compatible with the first format.
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Abstract
Method and apparatus for updating roaming lists. An error handling message is provided when the roaming list protocols within the elements of a system are not compatible. A roaming list format identifier is provided to the remote user identifying the protocol version supported by the network. The roaming list format identifier acts to either request an old version of the protocol or request the current stored format at the remote user. In one embodiment, the old version is the Preferred Roaming List, and the new version is the Extended Preferred Roaming List.
15 Citations
15 Claims
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1. A method for updating a roaming list in a mobile station, the mobile station storing a roaming list in a first format, the method comprising:
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receiving a roaming list format identifier;
transmitting an error message if the format identifier is not compatible with the first format; and
transmitting configuration information of the first format if the format identifier is compatible with the first format. - View Dependent Claims (2, 3, 4, 5)
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6. A method for updating a roaming list, the method comprising:
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receiving protocol capability information;
determining a roaming list format identifier based on the protocol capability information; and
transmitting a configuration request including the roaming list format identifier. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A mobile station, the mobile station storing a roaming list in a first format, the mobile station comprising:
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means for receiving a roaming list format identifier;
means for transmitting an error message if the format identifier is not compatible with the first format; and
means for transmitting configuration information of the first format if the format identifier is compatible with the first format.
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14. A wireless communication infrastructure element, comprising:
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means for receiving protocol capability information;
means for determining a roaming list format identifier based on the protocol capability information; and
means for transmitting a configuration request including the roaming list format identifier.
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15. An wireless communication apparatus, comprising:
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processing element;
memory storage unit adapted for storing a roaming list; and
roaming list decision unit coupled to the processing element and the memory storage unit, the roaming list decision unit adapted to determine a format for storing the roaming list, and to initiate transmission of an error message when the format is not compatible with a network format identifier.
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Specification