Authentication method for radio communication system, radio communication system, radio communication terminal and communication managing apparatus
First Claim
1. An authentication method for a radio communication system including a plurality of base stations, a plurality of radio communication terminals, wherein each of said plurality of radio communication terminals is capable of communicating with each of said plurality of base stations, and a telephone network having a plurality of exchangers connected to said plurality of base stations and a communication managing apparatus for controlling said plurality of exchangers connected to said plurality of base stations, comprising the steps of:
- storing identification data in each of said plurality of radio communication terminals, wherein said identification data is different for each of said plurality of radio communication terminals;
storing said identification data for each of said plurality of radio communication terminals permitted to access said radio communication system in said communication managing apparatus;
determining whether the identification data stored in one of said plurality of radio communication terminals requesting a connection to said telephone network through one of said plurality of base stations coincides with any of said identification data of said plurality of radio communication terminals which are permitted to access said radio communication system stored in said communication managing apparatus;
connecting one of said plurality of radio communication terminals to said telephone network upon confirming that the identification data stored in one of said plurality of radio communication terminals and said identification data stored in said communication managing apparatus coincide with each other; and
updating the identification data of one of said plurality of radio communication terminals stored in one of said plurality of radio communication terminals and updating said identification data of said communication managing apparatus with new identification data before every connection made between one of said plurality of radio communication terminals and said telephone network, wherein said new identification data is data output from a counter.
1 Assignment
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Accused Products
Abstract
In an authentication method for a radio communication system including a plurality of base stations, a plurality of radio communication terminals each capable of communicating with any one of the plurality of base stations, and a telephone network having a plurality of exchangers connected to the plurality of base stations and a communication managing apparatus capable of controlling the exchangers, each of the plurality of radio communication terminals has stored therein identification data different from the other radio communication terminals, The communication managing apparatus has stored therein identification data of the radio communication terminals permitted to access the radio communication system. When any of the radio communication terminals attempt a connection through the base station to the telephone network, it is examined whether or not the identification data stored in the radio communication terminal coincide with, any of the identification data which is stored in the communication managing apparatus and assigned to radio communication terminals permitted to access the telephone network. If it is confirmed that the identification data of both coincide with each other, the radio communication terminal is connected to the telephone network, and the identification data stored in the radio communication terminal and the communication managing apparatus are updated with new data at every connection made between the radio communication terminal and the telephone network.
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Citations
32 Claims
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1. An authentication method for a radio communication system including a plurality of base stations, a plurality of radio communication terminals, wherein each of said plurality of radio communication terminals is capable of communicating with each of said plurality of base stations, and a telephone network having a plurality of exchangers connected to said plurality of base stations and a communication managing apparatus for controlling said plurality of exchangers connected to said plurality of base stations, comprising the steps of:
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storing identification data in each of said plurality of radio communication terminals, wherein said identification data is different for each of said plurality of radio communication terminals; storing said identification data for each of said plurality of radio communication terminals permitted to access said radio communication system in said communication managing apparatus; determining whether the identification data stored in one of said plurality of radio communication terminals requesting a connection to said telephone network through one of said plurality of base stations coincides with any of said identification data of said plurality of radio communication terminals which are permitted to access said radio communication system stored in said communication managing apparatus; connecting one of said plurality of radio communication terminals to said telephone network upon confirming that the identification data stored in one of said plurality of radio communication terminals and said identification data stored in said communication managing apparatus coincide with each other; and updating the identification data of one of said plurality of radio communication terminals stored in one of said plurality of radio communication terminals and updating said identification data of said communication managing apparatus with new identification data before every connection made between one of said plurality of radio communication terminals and said telephone network, wherein said new identification data is data output from a counter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A radio communication system comprising:
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a plurality of base stations; a plurality of radio communication terminals, each for communicating with each of said plurality of base stations; and a telephone network having a plurality of exchangers connected to said plurality of base stations and a communication managing apparatus for controlling said plurality of exchangers connected to said plurality of base stations, wherein each of said plurality of radio communication terminals has first memory means for storing therein identification data that is different for each of said plurality of radio communication terminals, said communication managing apparatus has second memory means for storing therein said identification data of said plurality of radio communication terminals permitted to access said telephone network, and one of said communication managing apparatus and each of said plurality of radio communication terminals has comparing means for detecting whether the identification data stored in said first memory means of one of said plurality of radio communication terminals coincides with said identification data stored in said second memory means of said communication managing apparatus, connection control means for connecting said plurality of radio communication terminals to said telephone network when said comparing means determines that said identification data stored in said first memory means of one of said plurality of radio communication terminals coincides with said identification data stored in said second memory means of said communication managing apparatus, and updating means including a counter for updating the identification data stored in said first memory means of one of said plurality of radio communication terminals and updating said identification data stored in said second memory means of said communication managing apparatus before every connection made between one of said plurality of radio communication terminals and said telephone network with new identification data, wherein said new identification data is data output from said counter. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A radio communication terminal of a radio communication system including a plurality of base stations, a plurality of radio communication terminals, each for communicating with each of said plurality of base stations, and a telephone network having a plurality of exchangers connected to said plurality of base stations and a communication managing apparatus for controlling said plurality of exchangers connected to said plurality of base stations, comprising:
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memory means for storing therein identification data; and updating means including a counter for updating said identification data stored in said memory means before every connection made between one of said plurality of radio communication terminals and said telephone network with new identification data, wherein said new identification data is data output from said counter. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A communication managing apparatus of a radio communication system including a plurality of base stations, a plurality of radio communication terminals, each for communicating with each of said plurality of base stations, and a telephone network having a plurality of exchangers connected to said plurality of base stations and a communication managing apparatus for controlling said plurality of exchangers connected to said plurality of base stations, comprising:
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memory means for storing identification data for each of said plurality of radio communication terminals permitted to access said radio communication system; and updating means including a counter for updating said identification data stored in said memory means before every connection made between one of said plurality of radio communication terminals and said telephone network with new identification data, wherein said new identification data is data output from said counter. - View Dependent Claims (28, 29, 30, 31, 32)
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Specification