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Method and arrangement for performing positioning

  • US 6,784,841 B2
  • Filed: 06/10/2003
  • Issued: 08/31/2004
  • Est. Priority Date: 06/10/2002
  • Status: Expired due to Fees
First Claim
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1. A method for positioning one or more mobile stations, in which the location of the mobile stations is determined in the horizontal direction using at least two direction finding stations, the method comprising:

  • maintaining on a server information on the location of each mobile station;

    measuring in a mobile station at least one variable proportional to the location of the mobile station in the vertical direction;

    signalling information from the mobile station to a control unit on the measurement results time-divisionally at the same frequency controlled by the control unit;

    determining in the control unit the location of each mobile station in the vertical direction on the basis of the signalled data; and

    transmitting the data on the location to the server;

    determining the three-dimensional location of the mobile stations in the server;

    displaying the location of at least some of the mobile stations graphically.

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