Comprehensive mobile communications device registration method
First Claim
1. In a cellular communication system having a plurality of base stations, each of said plurality of base stations having a corresponding coverage area, in which a mobile station initially registers through a first base station with a system controller so that a message for said mobile station from said system controller may be communicated to said mobile station through at least one of said base stations in a predetermined manner, a method of registration comprising the steps of:
- changing at said mobile station, during a time when active communication between said system controller and said mobile station is not established, a parameter which effects said predetermined manner of communication; and
registering said parameter via a radio frequency signal generated by said mobile station and transmitted to a base station corresponding to a coverage area in which said mobile station is currently located, wherein said parameter which effects said predetermined manner of communication is a slot cycle of said mobile station;
receiving at said mobile station location information from said first base station;
receiving at said mobile station location information from a second base station;
computing a distance between said second base station and said first base station; and
registering by said mobile station through said second base station if said computed distance exceeds a threshold.
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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.
105 Citations
16 Claims
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1. In a cellular communication system having a plurality of base stations, each of said plurality of base stations having a corresponding coverage area, in which a mobile station initially registers through a first base station with a system controller so that a message for said mobile station from said system controller may be communicated to said mobile station through at least one of said base stations in a predetermined manner, a method of registration comprising the steps of:
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changing at said mobile station, during a time when active communication between said system controller and said mobile station is not established, a parameter which effects said predetermined manner of communication; and registering said parameter via a radio frequency signal generated by said mobile station and transmitted to a base station corresponding to a coverage area in which said mobile station is currently located, wherein said parameter which effects said predetermined manner of communication is a slot cycle of said mobile station; receiving at said mobile station location information from said first base station; receiving at said mobile station location information from a second base station; computing a distance between said second base station and said first base station; and registering by said mobile station through said second base station if said computed distance exceeds a threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. In a cellular communication system having a plurality of base stations, each of said plurality of base stations having a corresponding coverage area, in which a mobile station initially registers through a first base station with a system controller so that a message for said mobile station from said system controller may be communicated to said mobile station through at least one of said base stations in a predetermined manner, a method of registration comprising the steps of:
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changing at said mobile station, during a time when active communication between said system controller and said mobile station is not established, a parameter which effects said predetermined manner of communication; and registering said parameter via a radio frequency signal generated by said mobile station and transmitted to a base station corresponding to a coverage area in which said mobile station is currently located, wherein said parameter which effects said predetermined manner of communication is a slot cycle of said mobile station; receiving at said mobile station zone information from said first base station; receiving at said mobile station zone information from a second base station; and registering by said mobile station through said second base station if said zone information corresponding to said first base station is different from said zone information corresponding to said second base station. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification