Wireless communication system architecture mobile station and method
First Claim
1. A wireless communication architecture comprising a first wireless communication system operating in the vicinity of a second wireless communication system, where at least one dual-mode wireless subscriber communication unit is capable of operating in at least the first and second wireless communication systems, comprising a System Locator that is operable to provide at least one operational parameter of said first wireless communication system to said at least one dual-mode wireless subscriber communication unit when operating in said second wireless communication system, wherein said at least one operational parameter is based on a determined location of the at least one dual-mode wireless subscriber communication unit for use by the at least one dual-mode wireless subscriber communication unit in searching for or switching its operation to said first wireless communication system.
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Abstract
A wireless communication architecture (100) includes a first wireless communication system (123) operating in the vicinity of a second wireless communication system (173). A System Locator (155) provides at least one operational parameter (330) of the first wireless communication system (123) to at least one dual-mode wireless subscriber communication unit (172) when operating in said second wireless communication system (173) via said second wireless communication system (173). The operational parameter (330) is based on a determined location of the at least one dual-mode wireless subscriber communication unit (172) for use by the at least one dual-mode wireless subscriber communication unit (172) in searching for and/or switching its operation to the first wireless communication system (123). The first system may be a TETRA or iDEN system and the second system may be a GSM system.
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Citations
18 Claims
- 1. A wireless communication architecture comprising a first wireless communication system operating in the vicinity of a second wireless communication system, where at least one dual-mode wireless subscriber communication unit is capable of operating in at least the first and second wireless communication systems, comprising a System Locator that is operable to provide at least one operational parameter of said first wireless communication system to said at least one dual-mode wireless subscriber communication unit when operating in said second wireless communication system, wherein said at least one operational parameter is based on a determined location of the at least one dual-mode wireless subscriber communication unit for use by the at least one dual-mode wireless subscriber communication unit in searching for or switching its operation to said first wireless communication system.
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9. A System Locator, operably coupled to a first wireless communication system and a second wireless communication system, wherein the System Locator is operable to provide information to at least one dual-mode wireless subscriber communication unit operating in the second wireless communication system and capable of operating in the first wireless communication system, such that said information relates to a determined location of the at least one dual-mode wireless subscriber communication unit and includes at least one operational parameter of said first wireless communication system for use by the at least one dual-mode wireless subscriber communication unit in searching for or switching its operation to said first wireless communication system.
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10. A method of selecting a wireless communication system in a wireless communication architecture that includes a first wireless communication system supporting communications in the vicinity of a second wireless communication system, the method comprising the steps of:
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operating at least one dual-mode wireless subscriber communication unit in said second wireless communication system; and
determining a location of said at least one dual-mode wireless subscriber communication unit;
providing at least one operational parameter of said first wireless communication system to said at least one dual-mode wireless subscriber communication unit via said second wireless communication system based on said determination; and
selecting, by said at least one dual-mode wireless subscriber communication unit, to operate in said first wireless communication system in response to said at least one operational parameter. - View Dependent Claims (11, 12, 13, 14, 15)
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- 16. A mobile station operable in at least first and second wireless communication systems, the station being operable when operating in the first system to send periodically signals including information about current location of the mobile station to a System Locator to determine automatically whether it is within range of the second system.
Specification