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Radio communications system and method for determining the position of at least one user device

  • US 20040053628A1
  • Filed: 07/17/2003
  • Published: 03/18/2004
  • Est. Priority Date: 01/17/2001
  • Status: Abandoned Application
First Claim
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13. (new):

  • A method for determining a position of at least one user device of a radio communications system which has a plurality of base stations in associated radio cells, wherein at least one radio network controller is respectively allocated to a predefinable group of the base stations for coordination purposes, the method comprising the steps of;

    sending at least one request signal for determining the position of the respective user device to be located by the radio network controller which is allocated to the base station of a location radio cell of the respective user device to be located; and

    requesting assistance data for determining the position from at least one position calculating unit as a further additional network unit with the aid of at least one first message signal which contains at least one of (a) information regarding when the assistance data is to be sent for a first time from the position calculation unit to the radio network controller, (b) a time when the position calculation unit is no longer to send any assistance data to the radio network controller, and (c) a periodicity instruction from which the position calculation unit can see that it can send assistance data regularly to the radio network controller.

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