Patents by Inventor Alexandr Johan

Alexandr Johan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for monitoring and identifying radio coverage gaps of a public land mobile network
    Patent number: 8326323
    Abstract: Method for monitoring and identifying radio coverage gaps of a public land mobile network (PLMN) comprising usage of stand alone signaling transfer points (SASTP) producing list of cells, the method comprising the capturing of an update location (UL) message in the case of logging in a mobile communication device into the network and a cancel location (CL) message in the case of leaving the network, whereas the update location (UL) message and the cancel location (CL) message comprise an information identifying the mobile communication device, particularly the international mobile subscriber indentity number (IMSI), comprising generation of provide subscriber info message, whereas the provide subscriber info response (PSI_Resp) message from last visited VLR comprise a cell identification (CeIl_ID) identifying the cell of the public land mobile network (PLMN) which was last used and/or in which the mobile communication device has left the network and further comprising the generation of a report message includ
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: December 4, 2012
    Assignee: Deutsche Telekom AG
    Inventors: Ondrej Cibula, Alexandr Johan, Jiri Stejskal
  • METHOD FOR MONITORING AND IDENTIFYING RADIO COVERAGE GAPS OF A PUBLIC LAND MOBILE NETWORK
    Publication number: 20100304718
    Abstract: Method for monitoring and identifying radio coverage gaps of a public land mobile network (PLMN) comprising usage of stand alone signaling transfer points (SASTP) producing list of cells, the method comprising the capturing of an update location (UL) message in the case of logging in a mobile communication device into the network and a cancel location (CL) message in the case of leaving the network, whereas the update location (UL) message and the cancel location (CL) message comprise an information identifying the mobile communication device, particularly the international mobile subscriber indentity number (IMSI), comprising generation of provide subscriber info message, whereas the provide subscriber info response (PSI_Resp) message from last visited VLR comprise a cell identification (CeIl_ID) identifying the cell of the public land mobile network (PLMN) which was last used and/or in which the mobile communication device has left the network and further comprising the generation of a report message includ
    Type: Application
    Filed: June 12, 2008
    Publication date: December 2, 2010
    Inventors: Ondrej Cibula, Alexandr Johan, Jiri Stejskal