Patents by Inventor Achim Luft

Achim Luft 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).

  • Patent number: 8780745
    Abstract: A communication terminal is described comprising a transmitter configured to generate a transmit signal and a measurement circuit configured to receive the generated transmit signal and to measure the power of the received transmit signal in a predetermined frequency region.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: July 15, 2014
    Assignee: Intel Mobile Communications GmbH
    Inventors: Markus Dominik Mueck, Andreas Schmidt, Wen Xu, Achim Luft
  • Publication number: 20140148143
    Abstract: Methods and apparatus that reduce network management overhead required for the operation of wireless femtocells. In one aspect of the invention, a central network entity governs the simultaneous operation of several femtocells by specifying modes of operation, and operational parameters for one or more of the femtocells. In one embodiment, at least one of the specified modes of operation directs a femtocell to operate in a substantially autonomous manner within the network-defined operational parameters. The network-defined constraints are provided to the femtocell for example, responsive to a successful registration attempt.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: APPLE INC.
    Inventors: Hyung-Nam CHOI, Maik BIENAS, Achim LUFT
  • Patent number: 8737989
    Abstract: Methods and apparatus enabling a wireless network to provide differentiated services to a machine-to-machine (M2M) client. In one embodiment, the wireless network comprises a UMTS network, and the Home Location Register (HLR) entity identifies subscriptions as machine-to-machine (M2M) enabled devices based on flags or other descriptors associated with each M2M device, and imposes one or more rule sets (e.g., service restrictions) based on this identification. The classification of M2M devices within the HLR may optionally include additional capability or profile data for the M2M device (e.g. static, low mobility, low data activity, etc.). Various other network entities may use the M2M identification to modify the delivered data service, so as to optimize network resources. Furthermore, monitoring of M2M client behavior can be used to detect and notify the network operator of abnormal, fraudulent, or malicious activity. Business methods utilizing the aforementioned methods and apparatus are also disclosed.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: May 27, 2014
    Assignee: Apple Inc.
    Inventor: Achim Luft
  • Publication number: 20140113656
    Abstract: A communication device is provided comprising a message generator configured to generate a message indicating that a mobile terminal is to determine a list of locations at which the mobile terminal has detected a need for a data communication with a mobile communication network and to transmit the determined list of locations to the mobile communication network and a transmitter configured to transmit the message.
    Type: Application
    Filed: October 24, 2012
    Publication date: April 24, 2014
    Inventors: Andreas Schmidt, Maik Bienas, Achim Luft
  • Publication number: 20140094119
    Abstract: A method and system for establishing a secure device-to-device connection between two mobile devices involves the use of a WiFi Direct (LTE Direct or other similar protocols) link paired with an IP Multimedia Subsystems (IMS) link. A device detects the presence of another device that it wishes to connect to. The devices negotiate a group owner, then authenticate each other using a variety of techniques, such as a centrally issued certificate. Thereafter, the devices derive keys to be used for communication, both over the WiFi Direct link and via the IMS link. A WiFi Direct Link may be paired with a Push to Talk over Cellular (PoC) link in order to couple together more than two devices. In such a connection, devices transmit to a group owner, which then sends multicast versions to the rest of the group devices.
    Type: Application
    Filed: June 28, 2013
    Publication date: April 3, 2014
    Inventors: Alexandre Saso Stojanovski, Achim Luft, Muthaiah Venkatachalam
  • Patent number: 8682343
    Abstract: In an embodiment, a mobile radio communication device is provided.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: March 25, 2014
    Assignee: Intel Mobile Communications GmbH
    Inventors: Andreas Schmidt, Markus Dominik Mueck, Achim Luft
  • Publication number: 20140066107
    Abstract: A communication device is provided comprising a message generator configured to generate a message indicating that a mobile terminal should provide data from which information about the configuration of the mobile terminal for the reception of paging messages is derivable and a transmitter configured to transmit the message.
    Type: Application
    Filed: September 5, 2012
    Publication date: March 6, 2014
    Applicant: INTEL MOBILE COMMUNICATIONS GMBH
    Inventors: Andreas Schmidt, Maik Bienas, Achim Luft
  • Patent number: 8644273
    Abstract: Methods and apparatus that reduce network management overhead required for the operation of wireless femtocells. In one aspect of the invention, a central network entity governs the simultaneous operation of several femtocells by specifying modes of operation, and operational parameters for one or more of the femtocells. In one embodiment, at least one of the specified modes of operation directs a femtocell to operate in a substantially autonomous manner within the network-defined operational parameters. The network-defined constraints are provided to the femtocell for example, responsive to a successful registration attempt.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: February 4, 2014
    Assignee: Apple Inc.
    Inventors: Hyung-Nam Choi, Maik Bienas, Achim Luft
  • Publication number: 20140003605
    Abstract: According to various aspects of this disclosure, a circuit arrangement is provided. The circuit arrangement may include: a memory configured to store a first encryption key for generating a first authentication vector for authentication between a mobile station and a home network of the mobile station; and a key-generator configured to derive a second encryption key from the first encryption key, the second encryption key for generating a second authentication vector for authentication between the mobile station and a visited network.
    Type: Application
    Filed: July 2, 2012
    Publication date: January 2, 2014
    Applicant: INTEL MOBILE COMMUNICATIONS GMBH
    Inventors: Achim Luft, Martin Hans
  • Patent number: 8615258
    Abstract: In an embodiment, a mobile radio communication device is provided. The mobile radio communication device may include a mobile radio communication protocol circuit configured to provide a home base station function for a mobile radio communication with another mobile radio communication device, and a memory configured to store a home base station group data structure, wherein the home base station group data structure for each communication device associated with the home base station group comprises a home base station group member identifier to identify a mobile radio communication device as a member of the home base station group.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: December 24, 2013
    Assignee: Intel Mobile Communications GmbH
    Inventors: Achim Luft, Martin Hans, Hyung-Nam Choi, Andreas Schmidt
  • Patent number: 8588700
    Abstract: A method for setting data transmission parameters of a communication connection comprising exchanging interface management capabilities between a plurality of communication devices; selecting from the plurality of communication devices, an active interference manager and at least one passive interference manager; collecting information about communication connections to the active interference manager, including information messaged from the at least one passive interference manager; and setting the plurality of data transmission parameters of the communication connections based on the collected information, wherein the collected information includes database information generated through simulations or measurements and stored on the plurality of communication devices.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: November 19, 2013
    Assignee: Intel Mobile Communications GmbH
    Inventors: Andreas Schmidt, Achim Luft
  • Publication number: 20130276085
    Abstract: Embodiments of the present disclosure describe methods, apparatuses, and systems related to using an identity provider (IdP) as a proxy for another IdP. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: December 19, 2011
    Publication date: October 17, 2013
    Inventors: Avishay Sharaga, Achim Luft
  • Patent number: 8488507
    Abstract: Methods and apparatus that enable a wireless network to detect and manage impending congestion events caused by a plurality of mobile devices attempting to access the network in a brief space of time. In one embodiment, the network comprises a 3g (UMTS) cellular network, and includes a congestion management and avoidance entity that preemptively triggers a collision mode upon detecting an impending congestion event. This mode advantageously reduces processing burden on the base station by causing the mobile devices (UEs) to halt current access attempts, and invoke a multiple access scheme (e.g., wait a random amount of time before attempting further access attempts). The comparatively early detection and avoidance of collisions reduces the mobile device's power consumption, while addressing congestion events early in the wireless communication process so as to maintain optimal network conditions.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: July 16, 2013
    Assignee: Apple Inc.
    Inventors: Achim Luft, Maik Bienas
  • Publication number: 20130094360
    Abstract: A communication device may be provided. The communication device may include: a packet generator configured to generate a packet including data for a second communication device and a header including an identifier identifying a communication service for the data and a transmitter configured to transmit the packet via a flow restriction device to the second communication device.
    Type: Application
    Filed: October 2, 2012
    Publication date: April 18, 2013
    Inventors: Achim Luft, Muthaiah Venkatachalam
  • Publication number: 20120329442
    Abstract: Methods and apparatus that enable a wireless network to detect and manage impending congestion events caused by a plurality of mobile devices attempting to access the network in a brief space of time. In one embodiment, the network comprises a 3g (UMTS) cellular network, and includes a congestion management and avoidance entity that preemptively triggers a collision mode upon detecting an impending congestion event. This mode advantageously reduces processing burden on the base station by causing the mobile devices (UEs) to halt current access attempts, and invoke a multiple access scheme (e.g., wait a random amount of time before attempting further access attempts). The comparatively early detection and avoidance of collisions reduces the mobile device's power consumption, while addressing congestion events early in the wireless communication process so as to maintain optimal network conditions.
    Type: Application
    Filed: August 31, 2012
    Publication date: December 27, 2012
    Inventors: Achim Luft, Maik Bienas
  • Patent number: 8259936
    Abstract: Apparatus and method for generating a traffic encryption key includes generating a traffic encryption key for encrypting data transmitted as part of a service, the traffic encryption key having a validity equal to a traffic encryption key validity time period; checking whether a period for the service is longer than the traffic encryption key validity time period; and if the period of the service is longer than the traffic encryption key validity time period, ascertaining a residual period which indicates by what period the service is longer than the traffic encryption key validity time period of the traffic encryption key; generating a residual traffic encryption key which is used for encrypting data transmitted as part of a service; ascertaining a residual traffic encryption key validity time period which indicates for how long the residual traffic encryption key is valid; and associating the residual traffic encryption key validity time period with the residual traffic encryption key.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: September 4, 2012
    Assignee: Intel Mobile Communications GmbH
    Inventors: Michael Benkert, Achim Luft
  • Patent number: 8259659
    Abstract: Methods and apparatus that enable a wireless network to detect and manage impending congestion events caused by a plurality of mobile devices attempting to access the network in a brief space of time. In one embodiment, the network comprises a 3g (UMTS) cellular network, and includes a congestion management and avoidance entity that preemptively triggers a collision mode upon detecting an impending congestion event. This mode advantageously reduces processing burden on the base station by causing the mobile devices (UEs) to halt current access attempts, and invoke a multiple access scheme (e.g., wait a random amount of time before attempting further access attempts). The comparatively early detection and avoidance of collisions reduces the mobile device's power consumption, while addressing congestion events early in the wireless communication process so as to maintain optimal network conditions.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: September 4, 2012
    Assignee: Apple Inc.
    Inventors: Achim Luft, Maik Bienas
  • Publication number: 20120221719
    Abstract: A method for setting data transmission parameters of a communication connection comprising exchanging interface management capabilities between a plurality of communication devices; selecting from the plurality of communication devices, an active interference manager and at least one passive interference manager; collecting information about communication connections to the active interference manager, including information messaged from the at least one passive interference manager; and setting the plurality of data transmission parameters of the communication connections based on the collected information, wherein the collected information includes database information generated through simulations or measurements and stored on the plurality of communication devices.
    Type: Application
    Filed: May 8, 2012
    Publication date: August 30, 2012
    Applicant: Intel Mobile Communications GmbH
    Inventors: Andreas SCHMIDT, Achim Luft
  • Publication number: 20120195207
    Abstract: A communication terminal is described comprising a transmitter configured to generate a transmit signal and a measurement circuit configured to receive the generated transmit signal and to measure the power of the received transmit signal in a predetermined frequency region.
    Type: Application
    Filed: January 31, 2011
    Publication date: August 2, 2012
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Markus Dominik Mueck, Andreas Schmidt, Wen Xu, Achim Luft
  • Publication number: 20120184205
    Abstract: In an embodiment, a stateful paging guard device is provided. The stateful paging guard device may include: a state determiner configured to determine state information indicating whether a terminal device is in an operation state of reduced energy consumption; a receiver configured to receive data directed to the terminal device; and a relay determiner configured to determine whether the data is to be relayed to the terminal device based on the state information.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 19, 2012
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Achim Luft, Andreas Schmidt