Radio data communication system using a plurality of radio communication systems
First Claim
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1. A radio communication system for use with an existing network, comprising:
- a personal computer coupled in a semi-fixed manner to the existing network;
a unidirectional transmitting system including a unidirectional base station coupled to the existing network, for sending data to a terminal according to a request;
a bidirectional transmitting system having a plurality of transmitters/receivers coupled to the existing network, for sending/receiving the request from the existing network for data from a terminal; and
a terminal having a first identification number allocated in said unidirectional transmitting system and a second identification number allocated in said bidirectional transmitting system, for receiving data from said unidirectional transmitting system and for receiving/sending the data from/to said bidirectional transmitting system;
wherein when external data is input, said personal computer sends a request to said unidirectional transmitting system in order to inform said terminal of a presence of the external data to be received;
wherein said unidirectional transmitting system sends a message informing of the presence of said external data to said terminal by use of said first identification number, based on the request from said personal computer;
wherein said terminal, responsive to said message from said unidirectional transmitting system, sends said bidirectional transmitting system a request to respond to said message by use of said second identification number;
wherein said bidirectional transmitting system, responsive to the request from said terminal, sends said personal computer a received response message and identification information of the transmitter/receiver connected to the terminal;
wherein the personal computer, responsive to the response message and the identification information, sends to the bidirectional transmitting system the external data with the identification information of the transmitter/receiver; and
wherein the bidirectional transmitting system receives the external data with the identification information from the personal computer, and sends the external data to the terminal via the transmitter/receiver.
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Abstract
When data (for example, an electronic mail) is input to a semi-fixed terminal connected to a network, the terminal creates a transmission message on the basis of information on the position of a corresponding mobile terminal stored in the semi-fixed terminal and sends this message to the network, which sends data at once to the mobile terminal through a predetermined gateway station and base station on the basis of the information on the position of the message.
20 Citations
17 Claims
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1. A radio communication system for use with an existing network, comprising:
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a personal computer coupled in a semi-fixed manner to the existing network; a unidirectional transmitting system including a unidirectional base station coupled to the existing network, for sending data to a terminal according to a request; a bidirectional transmitting system having a plurality of transmitters/receivers coupled to the existing network, for sending/receiving the request from the existing network for data from a terminal; and a terminal having a first identification number allocated in said unidirectional transmitting system and a second identification number allocated in said bidirectional transmitting system, for receiving data from said unidirectional transmitting system and for receiving/sending the data from/to said bidirectional transmitting system; wherein when external data is input, said personal computer sends a request to said unidirectional transmitting system in order to inform said terminal of a presence of the external data to be received; wherein said unidirectional transmitting system sends a message informing of the presence of said external data to said terminal by use of said first identification number, based on the request from said personal computer; wherein said terminal, responsive to said message from said unidirectional transmitting system, sends said bidirectional transmitting system a request to respond to said message by use of said second identification number; wherein said bidirectional transmitting system, responsive to the request from said terminal, sends said personal computer a received response message and identification information of the transmitter/receiver connected to the terminal; wherein the personal computer, responsive to the response message and the identification information, sends to the bidirectional transmitting system the external data with the identification information of the transmitter/receiver; and wherein the bidirectional transmitting system receives the external data with the identification information from the personal computer, and sends the external data to the terminal via the transmitter/receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A personal computer in a radio communication system in which the personal computer is connected in a semi-fixed manner to an existing network, and a terminal is connected to the network, to provide communication between the personal computer and the terminal, wherein the personal computer comprises:
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positional information storage means for storing position information pertaining to a position of the terminal; and sending means for sending to the terminal, externally input data on the basis of the position information stored in the positional information storage means; wherein the radio communication system further comprises; a unidirectional transmitting system for enabling the personal computer to call the terminal; and a bidirectional transmitting system for enabling bidirectional communication between the personal computer and the terminal via a transmitter/receiver; and wherein the personal computer includes means for calling the terminal through the unidirectional transmitting system, the terminal having a first-identification number allocated in said unidirectional transmitting system and a second identification number allocated in said bidirectional system, and wherein the terminal sends signals to the personal computer only via the transmitter/receiver of the bidirectional transmitting system and said network, and wherein the personal commuter updates the position information stored in the Positional information storage means. - View Dependent Claims (12, 13, 14, 15)
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16. A terminal of a radio communication system in which a personal computer is connected in a semi-fixed manner to an existing network, the terminal being connected through a transmitter/receiver of a bidirectional transmitting system to the network, the bidirectional transmitting system provides communication between the personal computer and the terminal, and a unidirectional transmitting system is provided for sending a message to the terminal from the personal computer, the terminal having a first identification number allocated in said unidirectional transmitting system and a second identification number allocated in said bidirectional system, the terminal comprising:
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receiving means for receiving a signal from the transmitter/receiver; sending means for sending a signal to the transmitter/receiver; wherein when the receiving means receives a calling signal sent through the transmitter/receiver from the personal computer, the sending means sends a response signal corresponding to the calling signal through the transmitter/receiver to the personal computer, and the receiving means receives data sent from the personal computer in response to the response signal; and message receiving means for receiving a message through the unidirectional transmitting system; and wherein when the message receiving means receives a calling signal from the personal computer via the unidirectional transmitting system, the sending means sends the personal computer a response signal corresponding to the calling signal through the transmitter/receiver, and the receiving means receives data sent from the personal computer, via the bidirectional transmitting system in response to the response signal. - View Dependent Claims (17)
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Specification