Patents by Inventor Christian Wengerter

Christian Wengerter 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: 9112686
    Abstract: The aim of the present invention is to provide an efficient and reliable transmission/reception mechanisms for a communication system with multiple component carriers, each of which further includes physical resources such as transmission slot/symbol, subcarrier/frequency subband, code, or radiation pattern. Accordingly, the control signal of a component carrier comprises a scheduling assignment specifying for said component carrier a resource for transmission of a data signal, and an allocation map specifying that a scheduling assignment has been sent for another component carrier. Signalizing the allocation map enables detection of possibly missed scheduling assignments.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: August 18, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Priya Hariharan, Christian Wengerter
  • Patent number: 9100981
    Abstract: A method of transmitting data packets over a plurality of dynamically allocated resource blocks in at least one or a combination of a time, code or frequency domain on a shared channel of a wireless communication system, comprising the steps of selecting a number of resource block candidates for potential transmission of data packets destined for a receiver and transmitting the data packet to the receiver using at least one allocated resource block from the selected resource block candidates. The invention also relates to a corresponding method of decoding data packets, a transmitter, receiver and communication system.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: August 4, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Christian Wengerter, Joachim Loehr
  • Patent number: 9094965
    Abstract: The invention relates to a method for deactivating a semi-persistent resource allocation of a user equipment in an LTE-based mobile communication system. Furthermore, the invention also related to a user equipment and an eNode B implementing this method. To provide a mechanism for deactivating a semi-persistent resource allocation in a LTE system which is not requiring any changes to the Physical layer-to-MAC layer interface and/or preferably no changes to the PDCCH formats agreed by the 3GPP a combination of NDI value and MCS index is defined that is commanding the release of SPS resources. Alternatively, another solution proposed to define a special transport block size that when signaled in a PDCCH is commanding the release of SPS resources.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: July 28, 2015
    Assignee: Optis Wireless Technology, LLC
    Inventors: Joachim Lohr, Alexander Golitschek Edler Von Elbwart, Martin Feuersanger, Christian Wengerter
  • Patent number: 9084137
    Abstract: The invention relates to methods for transmitting a buffer status report (BSR) in a mobile communication system, more particularly to the definition of rules for triggering, generating and transmitting BSRs. The invention also relates to a data transmission method utilizing new rules to decide data of which radio bearers is transmitted within a given transmission time interval. Moreover, the invention relates to scheduling method for radio resources that is taking into account additional scheduling-relevant information from the buffer status reporting and/or data transmission method. To avoid unnecessary grants from the network and to suggest an advanced handling of data transmissions the invention suggests a buffer status reporting and data transmission schemes that take into account the scheduling mode of data of radio bearers pending for transmission to decide whether to report on it in a buffer status report, respectively, whether to multiplex the data to a transport block for transmission.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: July 14, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Martin Feuersaenger, Joachim Loehr, Christian Wengerter
  • Publication number: 20150181604
    Abstract: This invention relates to the proposal of component carrier (de)activation message that is allowing a activation or deactivation of one or more component carriers in the uplink or downlink. Furthermore, the invention relates to the use of the new component carrier (de)activation message in methods for (de)activation of downlink component carrier(s) configured for a mobile terminal, a base station and a mobile terminal. To enable efficient and robust (de)activation of component carriers, the invention proposes to use component carrier-specific or cell-RNTI(s) for the scrambling of the CRC of the component carrier (de)activation message, and to explicitly indicate the intended recipient of the component carrier (de)activation message in a corresponding field in the message. Furthermore, the invention further proposes different designs of the component carrier (de)activation message and further uses thereof, so as to trigger CQI reporting and/or SRS transmission by a mobile terminal.
    Type: Application
    Filed: January 15, 2015
    Publication date: June 25, 2015
    Inventors: Martin Feuersaenger, Joachim Loehr, Alexander Golitschek Edler von Elbwart, Christian Wengerter
  • Publication number: 20150139158
    Abstract: New control signalling is associated to a protocol data unit conveying user data in a mobile communication system and to the control channel signal. A mobile station and a base station and their respective operation are described in view of the newly defined control channel signals. To reduce the control channel overhead, a common field is defined for the transport format and redundancy version in the control channel information format. According to one approach, the common field is used to jointly encode transport format and redundancy version therein. According to another aspect, one shared field is provided on the control channel signal that indicates either a transport format or a redundancy version depending on whether the control channel signal relates to an initial transmission or a retransmission. In another embodiment, further enhancements to an HARQ protocol address certain error cases.
    Type: Application
    Filed: January 28, 2015
    Publication date: May 21, 2015
    Inventors: Christian Wengerter, Akihiko Nishio, Hidetoshi Suzuki, Joachim Löhr, Katsuhiko Hiramatsu
  • Publication number: 20150139361
    Abstract: Wireless communication wherein channel estimation accuracy is improved while keeping the position of each bit in a frame, even when a modulation system having a large modulation multiple value is used for a data symbol. An encoding operation encodes and outputs transmitting data (bit string) and a bit converting operation converts at least one bit of a plurality of bits constituting a data symbol to be used for channel estimation, among the encoded bit strings, into ‘1’ or ‘0’. A modulating operation modulates the bit string inputted from the bit converting operation by using a single modulation mapper and a plurality of data symbols are generated.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 21, 2015
    Inventors: Kenichi MIYOSHI, Hidetoshi Suzuki, Katsuhiko Hiramatsu, Christian Wengerter, Alexander Golitschek Edler Von Elbwart
  • Publication number: 20150139149
    Abstract: The invention relates to a new structure of a control channel region within a sub-frame of a 3GPP-based based communication system using OFDM in the downlink. This new structure of a control channel region is inter alia particularly suitable for conveying physical downlink control channel information from a donor eNodeB to a relay node. The control channel region is divided in CCEs that have equal size irrespective of the presence of further cell-specific and/or UE-specific reference signals within the control channel region. This is achieved by dividing the control channel region in plural sub-CCEs that are combined to CCEs all having equal size (in terms of resource elements that can be used for the signaling of control information). The control channel region is divided in the frequency domain and/or time domain in a FDM respectively TDM fashion in order to obtain the sub-CCEs.
    Type: Application
    Filed: January 22, 2015
    Publication date: May 21, 2015
    Inventors: Sujuan FENG, Alexander GOLITSCHEK EDLER VON ELBWART, Christian WENGERTER
  • Patent number: 9019925
    Abstract: Provided is a radio communication base station device which can prevent lowering of use efficiency of a channel communication resource for performing a frequency diversity transmission when simultaneously performing a frequency scheduling transmission and the frequency diversity transmission in a multicarrier communication. In the device, a modulation unit (12) executes a modulation process on Dch data after encoded so as to generate a Dch data symbol. A modulation unit (22) executes a modulation process on the encoded Lch data so as to generate an Lch data symbol. An allocation unit (103) allocates the Dch data symbol and the Lch data symbol to respective subcarriers constituting an OFDM symbol and outputs them to a multiplexing unit (104). Here, when a plurality of Dch are used for a Dch data symbol of one mobile station, the allocation unit (103) uses Dch of continuous channel numbers.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: April 28, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Akihiko Nishio, Christian Wengerter, Hidetoshi Suzuki, Masaru Fukuoka
  • Publication number: 20150085767
    Abstract: The present invention relates to methods and apparatuses for transmitting data in a multicarrier telecommunication system and in particular for performing modulation and coding for low transmission power data. Scheduling information indicating resources on which a terminal is scheduled to transmit data is received at the terminal. The scheduling information includes a modulation and coding indicator set. Data are transmitted on the scheduled resources in accordance with a modulation and coding indicator in the modulation and coding indicator set and with a transmission parameter of the data to be transmitted.
    Type: Application
    Filed: February 25, 2013
    Publication date: March 26, 2015
    Inventors: Michael Einhaus, Christian Wengerter, Alexander Golitschek Edler von Elbwart
  • Publication number: 20150078331
    Abstract: A radio communication base station device which can reduce the number of judgment times for a control signal in a mobile station, thereby suppressing power consumption by the mobile station. The radio communication base station device (100) includes: a mapping setting unit (122) which sets a mapping method in a mapping unit (102); the mapping unit (102) which maps a control signal to respective mobile stations to any of subcarriers constituting the OFDM symbol according to the mapping method set by the mapping setting unit (122); an MCS setting unit (121) which references a mapping table in which correlation between a plurality of MCS having different MCS levels and mapping methods is set according to the judgment result of the mapping setting unit (122) and sets MCS in encoding/modulation units (101-1 to 101-n).
    Type: Application
    Filed: November 24, 2014
    Publication date: March 19, 2015
    Inventors: Akihiko NISHIO, Hidetoshi Suzuki, Christian Wengerter
  • Patent number: 8982990
    Abstract: Wireless communication wherein channel estimation accuracy is improved while keeping the position of each bit in a frame, even when a modulation system having a large modulation multiple value is used for a data symbol. An encoding operation encodes and outputs transmitting data (bit string) and a bit converting operation converts at least one bit of a plurality of bits constituting a data symbol to be used for channel estimation, among the encoded bit strings, into or ‘0’ or ‘0’. A modulating operation modulates the bit string inputted from the bit converting operation by using a single modulation mapper and a plurality of data symbols are generated.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: March 17, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Kenichi Miyoshi, Hidetoshi Suzuki, Katsuhiko Hiramatsu, Christian Wengerter, Alexander Golitschek Edler Von Elbwart
  • Patent number: 8976694
    Abstract: This invention relates to the proposal of component carrier (de)activation message that is allowing a activation or deactivation of one or more component carriers in the uplink or downlink. Furthermore, the invention relates to the use of the new component carrier (de)activation message in methods for (de)activation of downlink component carrier(s) configured for a mobile terminal, a base station and a mobile terminal. To enable efficient and robust (de)activation of component carriers, the invention proposes to use component carrier-specific or cell-RNTI(s) for the scrambling of the CRC of the component carrier (de)activation message, and to explicitly indicate the intended recipient of the component carrier (de)activation message in a corresponding field in the message. Furthermore, the invention further proposes different designs of the component carrier (de)activation message and further uses thereof, so as to trigger CQI reporting and/or SRS transmission by a mobile terminal.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: March 10, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Martin Feuersanger, Joachim Lohr, Alexander Golitschek Edler Von Elbwart, Christian Wengerter
  • Publication number: 20150049705
    Abstract: The invention relates methods for interference reporting by a mobile terminal in a mobile communication system. The invention is also providing apparatus for performing these methods, and computer readable media the instructions of which cause the apparatus to perform the methods described herein. In order to allow for interference reporting, the mobile terminal detects an interference condition between the communication with the base station via the first resource and a communication with the wireless communication device via the second resource, reports on the interference condition to the base station; receives reconfiguration information indicating a third resource and reconfigures the communication with the base station to the third resource.
    Type: Application
    Filed: February 15, 2013
    Publication date: February 19, 2015
    Inventors: Martin Feuersaenger, Joachim Loehr, Christian Wengerter, Prateek Basu-Mallick
  • Patent number: 8953537
    Abstract: Transmission power control and signaling from a base station to a group of terminals in a system such as LTE supporting carrier aggregation. The transmission power control message has a plurality of transmission control fields of which a multiple is assigned to each terminal. A transmission control field carries a transmission power command for the respective uplink component carrier and the respective mobile terminal. The transmission power control message is mapped to a control signaling region of a downlink component carrier and transmitted within a subframe.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: February 10, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Priya Hariharan, Akihiko Nishiko, Christian Wengerter
  • Patent number: 8948117
    Abstract: The invention relates to a method for providing control signalling associated to a protocol data unit conveying user data in a mobile communication system and to the control channel signal. The invention also provides a mobile station and a base station and their respective operation in view of the newly defined control channel signals. To reduce the control channel overhead, the invention suggests defining a common field for the transport format and redundancy version in the control channel information format. According to one approach, the common field is used to jointly encode transport format and redundancy version therein. According to another aspect, one shared field is provided on the control channel signal that indicates either a transport format or a redundancy version depending of whether the control channel signal relates to an initial transmission or a retransmission. In another embodiment, further enhancements to a HARQ protocol are suggested for addressing certain error cases.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: February 3, 2015
    Assignee: Optis Wireless Technology, LLC
    Inventors: Christian Wengerter, Akihiko Nishio, Hidetoshi Suzuki, Joachim Löhr, Katsuhiko Hiramatsu
  • Patent number: 8934418
    Abstract: Provided is a radio communication base station device which can reduce the number of judgment times for a control signal in a mobile station, thereby suppressing power consumption by the mobile station. The radio communication base station device (100) includes: a mapping setting unit (122) which sets a mapping method in a mapping unit (102); the mapping unit (102) which maps a control signal to respective mobile stations to any of subcarriers constituting the OFDM symbol according to the mapping method set by the mapping setting unit (122); an MCS setting unit (121) which references a mapping table in which correlation between a plurality of MCS having different MCS levels and mapping methods is set according to the judgment result of the mapping setting unit (122) and sets MCS in encoding/modulation units (101-1 to 101-n).
    Type: Grant
    Filed: September 1, 2008
    Date of Patent: January 13, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Akihiko Nishio, Hidetoshi Suzuki, Christian Wengerter
  • Publication number: 20150003311
    Abstract: The invention relates to methods for improving the DRX operation of a UE by introducing an additional DRX wake-up cycle, which runs in parallel to the short and/or long DRX cycle. The DRX wake-up cycle defines time intervals after which the UE starts monitoring the PDCCH for a wake-up duration of time; the UE does not perform any other operation during the wake-up duration apart from monitoring the PDCCH. The time intervals of the wake-up cycle between the wake-up durations are preferably shorter than the one of the DRX long cycle, and may have the same or a shorter length than the ones of the DRX short cycle. The wake-up duration may be as long as the on-duration of the DRX short/long cycle, or may be preferably much shorter, such as only one or a few subframes.
    Type: Application
    Filed: November 23, 2012
    Publication date: January 1, 2015
    Inventors: Martin Feuersaenger, Christian Wengerter, Joachim Loehr, Alexander Golitschek Edler von Elbwart
  • Publication number: 20140376457
    Abstract: The present invention relates to a method for receiving control information within a subframe of a multi-carrier communication system supporting carrier aggregation, the method comprising the following steps performed at a receiving node: performing a blind detection for the control information within a search space by means of a first search pattern, wherein the first search pattern is one of a plurality of search patterns, each of the plurality of search patterns comprising a plurality of candidates distributed on any of a plurality of aggregation levels, and wherein the plurality of search patterns further comprises a second search pattern whose candidates are non-overlapping the candidates of the first search pattern on the same aggregation levels.
    Type: Application
    Filed: January 23, 2013
    Publication date: December 25, 2014
    Inventors: Sujuan Feng, Alexander Golitschek Edler von Elbwart, Christian Wengerter, Michael Einhaus
  • Publication number: 20140355543
    Abstract: The invention suggests a method for providing control signalling in a communication system, comprising the steps performed by a base station of the communication system of generating a control channel signal comprising a transport format and a channel quality indicator trigger signal for triggering a transmission of a channel quality indicator by at least one terminal to the base station, and transmitting the generated control channel signal to at least one terminal, wherein said transport format is a predetermined format for user data transmission by the at least one terminal to the base station and said control channel signal indicates a predetermined mode for reporting the channel quality indicator to the base station, wherein the channel quality indicator transmission is to be triggered by the at least one terminal based on the channel quality indicator trigger signal.
    Type: Application
    Filed: August 12, 2014
    Publication date: December 4, 2014
    Inventors: Alexander Golitschek Edler von Elbwart, Christian Wengerter, Joachim Loehr