Emergency call signaling via mobile telecommunications devices
First Claim
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1. A method for transmitting a current position of a mobile telecommunications device in an emergency call from the mobile telecommunications device to a location service client, the method comprising the steps of:
- sending a Radio Resource Control connection request message from the mobile telecommunications device to a serving radio network controller of a mobile telecommunications network for requesting setup of a Radio Resource Control connection, the Radio Resource Control connection request containing information indicating that the request concerns an emergency call;
returning an acknowledgement of the Radio Resource Control connection request by transmitting a Radio Resource Control connection setup message from the serving radio network controller to the telecommunications device following successful detection of the Radio Resource Control connection request message at the serving radio network controller;
confirming, via the telecommunications device, an established Radio Resource Control connection to the serving radio network controller by sending an Radio Resource Control setup connection setup complete message with the Radio Resource Control connection setup complete message including the current position of the mobile telecommunications device determined by the respective mobile telecommunications device; and
directly relaying the current position of the mobile communications device from the serving radio network controller to the location service client.
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Abstract
To accelerate the specification of a location during the sending of an emergency call of a mobile telecommunications device (in particular, a terminal), the position of the respective mobile telecommunications device is determined prior to the sending of the call and/or independently of the mobile telecommunications network and is transmitted when the emergency call is sent.
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Citations
7 Claims
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1. A method for transmitting a current position of a mobile telecommunications device in an emergency call from the mobile telecommunications device to a location service client, the method comprising the steps of:
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sending a Radio Resource Control connection request message from the mobile telecommunications device to a serving radio network controller of a mobile telecommunications network for requesting setup of a Radio Resource Control connection, the Radio Resource Control connection request containing information indicating that the request concerns an emergency call; returning an acknowledgement of the Radio Resource Control connection request by transmitting a Radio Resource Control connection setup message from the serving radio network controller to the telecommunications device following successful detection of the Radio Resource Control connection request message at the serving radio network controller; confirming, via the telecommunications device, an established Radio Resource Control connection to the serving radio network controller by sending an Radio Resource Control setup connection setup complete message with the Radio Resource Control connection setup complete message including the current position of the mobile telecommunications device determined by the respective mobile telecommunications device; and directly relaying the current position of the mobile communications device from the serving radio network controller to the location service client. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A mobile telecommunications network for transmitting a current position of a mobile telecommunications device in an emergency call from the mobile telecommunications device to a location service client, comprising:
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at least one mobile telecommunications device; and a serving radio network controller, wherein an Radio Resource Control connection request is sent from the mobile communications device to the serving radio network controller for requesting a setup of an Radio Resource Control connection, the Radio Resource Control connection request containing information indicating that the request concerns an emergency call, wherein the serving radio network controller returns an acknowledgment of the Radio Resource Control connection request with an Radio Resource Control connection setup message to the mobile telecommunications device after successfully detecting the Radio Resource Control connection request, and wherein the mobile telecommunications device confirms the established Radio Resource Control connection to the serving radio network controller by sending a Radio Resource Control connection setup complete message that includes the current position of the mobile telecommunications device determined by the respective mobile telecommunications device; wherein the current position of the mobile telecommunications device is directly relayed from the serving radio network controller to the location service client.
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Specification