1.
    发明专利
    未知

    公开(公告)号:BR9708451A

    公开(公告)日:1999-08-03

    申请号:BR9708451

    申请日:1997-01-24

    Applicant: MOTOROLA INC

    Abstract: A method including the steps of receiving a mobile identification number identifying a mobile unit (36), performing a multilateration location measurement based on a nonperiodic signal received from the mobile unit (116), retrieving a location zone from a memory based on the mobile identification number (210), comparing the multilateration location measurement with the location zone, and generating a billing record for the mobile unit (214).

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