Mobile communication system, communication control method and a mobile station
First Claim
1. A mobile station for a mobile communication system which supports a procedure for the mobile station connected to a first communication system which comprises a first network node, to use a second communication system which comprises a second network node, the mobile station comprising:
- a receiver configured to receive a paging message from a base station connected to the first network node, the first network node having received a request message from the second network node, the second network node having received a voice call and responded to receipt of the voice call by sending the request message to the first network node; and
a transmitter configured to transmit, to the second network node, a message which responds to the paging message,wherein the mobile station requests a unified location registration for the procedure with only the first communication system from among the first communication system and the second communication system, wherein the mobile station establishes a connection with the second network node,wherein the first communication system operates a first radio technology and the second communication system operates a second radio technology different from the first radio technology.
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Abstract
The present invention is to provide the mobile communication system which enables power consumption reduction for the mobile station with dual mode capability by unifying the location registration and paging processing for every mobile communication system. The mobile communication system is so arranged to perform location registration processing and paging processing for the mobile station by only one of radio communication systems. And the mobile station can access to any other radio communication systems.
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Citations
28 Claims
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1. A mobile station for a mobile communication system which supports a procedure for the mobile station connected to a first communication system which comprises a first network node, to use a second communication system which comprises a second network node, the mobile station comprising:
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a receiver configured to receive a paging message from a base station connected to the first network node, the first network node having received a request message from the second network node, the second network node having received a voice call and responded to receipt of the voice call by sending the request message to the first network node; and a transmitter configured to transmit, to the second network node, a message which responds to the paging message, wherein the mobile station requests a unified location registration for the procedure with only the first communication system from among the first communication system and the second communication system, wherein the mobile station establishes a connection with the second network node, wherein the first communication system operates a first radio technology and the second communication system operates a second radio technology different from the first radio technology. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A mobile station for a mobile communication system which supports a procedure for the mobile station connected to a first communication system which comprises a first network node, to use a second communication system which comprises a second network node, the mobile station comprising:
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a receiver configured to receive a paging message from a base station connected to the first network node, the first network node having received a request message from the second network node, the second network node having received a voice call and responded to receipt of the voice call by sending the request message to the first network node; and a transmitter configured to transmit, to the second network node, a message which responds to the paging message, wherein the mobile station requests a unified location registration for the procedure with the first communication system and has not requested a unified location registration for the procedure from the second communication system, wherein the mobile station establishes a connection with the second network node, wherein the first communication system operates a first radio technology and the second communication system operates a second radio technology different from the first radio technology. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for a mobile station in a mobile communication system which supports a procedure for the mobile station connected to a first communication system, which comprises a first network node, to use a second communication system, which comprises a second network node, the method comprising:
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receiving a paging message from a base station connected to the first network node, the first network node having received a request message from the second network node, the second network node having received a voice call and having responded to receipt of the voice call by sending the request message to the first network node; and transmitting, to the second network node, a message which responds to the paging message, wherein the mobile station requests a unified location registration for the procedure with only the first communication system from among the first communication system and the second communication system, wherein the mobile station establishes a connection with the second network node, wherein the first communication system operates a first radio technology and the second communication system operates a second radio technology different from the first radio technology. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A method for a mobile station in a mobile communication system which supports a procedure for the mobile station connected to a first communication system, which comprises a first network node, to use a second communication system, which comprises a second network node, the method comprising:
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receiving a paging message from a base station connected to the first network node, the first network node having received a request message from the second network node, the second network node having received a voice call and responded to receipt of the voice call by sending the request message to the first network node; and transmitting, to the second network node, a message which responds to the paging message, wherein the mobile station requests a unified location registration for the procedure with the first communication system and does not perform location registration for the procedure with the second communication system, wherein the mobile station establishes a connection with the second network node, wherein the first communication system operates a first radio technology and the second communication system operates a second radio technology different from the first radio technology. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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Specification