Rapid system access and registration in mobile phone systems
First Claim
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1. A method of identifying a preferred mobile phone system for a mobile phone before originating a call, comprising the steps of:
- monitoring one or more channels of one or more frequency bands, in the mobile phone, until a mobile phone system identifier is received;
using the mobile phone system identifier to determine a location identifier for the mobile phone from a database stored in the mobile phone; and
selecting a preferred mobile phone system for the mobile phone from the database stored in the mobile phone using the determined location identifier.
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Abstract
A mobile radio telephone communication systems provides for rapid system access and registration of mobile phones when the mobile phone operates in an area outside of its home service area. A preferred mobile phone system for a mobile phone is identified before the mobile phone originates a call by determining a location for the mobile phone and selecting the preferred system from a database stored in the mobile phone using the determined location.
85 Citations
32 Claims
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1. A method of identifying a preferred mobile phone system for a mobile phone before originating a call, comprising the steps of:
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monitoring one or more channels of one or more frequency bands, in the mobile phone, until a mobile phone system identifier is received; using the mobile phone system identifier to determine a location identifier for the mobile phone from a database stored in the mobile phone; and selecting a preferred mobile phone system for the mobile phone from the database stored in the mobile phone using the determined location identifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A mobile phone for identifying a preferred mobile phone system before originating a call, comprising:
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a transceiver coupled to an antenna; and a processor, coupled to the transceiver and a memory, for controlling the transceiver, for monitoring one or more channels of one or more frequency bands received by the transceiver until a mobile phone system identifier is received, for using the mobile phone system identifier to determine a location for the mobile phone from a database stored in the mobile phone, and for selecting a preferred mobile phone system for the mobile phone from database stored in the memory of the mobile phone using the determined location identifier. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification