Comprehensive mobile communications device registration method
First Claim
1. In a cellular communication system in which a mobile station in a first coverage area registers and where said mobile station is provided location information of a first base station corresponding to said first coverage area and is provided zone information of said first base station, a method for re-registration comprising the steps of:
- communicating to said mobile station, by a second base station corresponding to a second coverage area, location information and zone information of said second base station;
computing at said mobile station a distance between said first base station and said second base station;
registering by said mobile station with said second base station if said computed distance is greater than or equal to a predetermined distance value; and
registering by said mobile station with said second base station if said zone information of said second base station is different from said zone information of said first base station.
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Abstract
A comprehensive method for mobile station registration in a cellular communication system wherein registrations are made due to multiple stimulus. Registration can occur as a function of distance traveled since the previous registration. Registration can occur due to entering the coverage area of a base station assigned to a zone in which the mobile station has not recently registered. A registration timer can be used to ensure a minimum time between registrations. Registrations can occur at power up and at power down. The mobile station can be ordered to register by a transmission from a base station. Registration can occur due to parameter changes with in the mobile station. Registration may also occur through necessary communication with a base station which is not expressly directed to registration.
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Citations
28 Claims
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1. In a cellular communication system in which a mobile station in a first coverage area registers and where said mobile station is provided location information of a first base station corresponding to said first coverage area and is provided zone information of said first base station, a method for re-registration comprising the steps of:
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communicating to said mobile station, by a second base station corresponding to a second coverage area, location information and zone information of said second base station; computing at said mobile station a distance between said first base station and said second base station; registering by said mobile station with said second base station if said computed distance is greater than or equal to a predetermined distance value; and registering by said mobile station with said second base station if said zone information of said second base station is different from said zone information of said first base station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 20, 24, 25, 26)
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14. In a cellular communication system in which a mobile station in a first coverage area registers and where said mobile station is provided zone information of a first base station corresponding to said first coverage area, a method for re-registration comprising the steps of:
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storing at said mobile station said zone information corresponding to said first base station; communicating to said mobile station, by a second base station corresponding to a second coverage area, zone information of said second base station; registering by said mobile station with said second base station if said zone information of said second base station is different from said zone information of said first base station; and setting a timer associated with said stored zone information corresponding to said first base station if said zone information of said second base station is different from said zone information of said first base station. - View Dependent Claims (15, 16, 17, 18, 19, 21, 22, 23, 27)
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28. A method of registering a mobile station in a system of base stations controlled by a system controller wherein each of said base stations communicates with said system controller and wherein said mobile station may establish communication with said system controller through a series of said base stations during a single traffic channel communication, comprising the steps of:
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storing at said mobile station a registration list of information; establishing traffic channel communication between said mobile station and said system controller through a first base station; detecting termination of the traffic channel communication; communicating registration information to said mobile station by a final base station upon detection of the termination of said traffic channel communication wherein said final base station is a base station through which further communication is established at the termination of said traffic channel communication; and updating at said mobile station said registration list of information in response to said registration information received from said final base station upon termination of said traffic channel communication.
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Specification