Patents by Inventor Volker Jungnickel
Volker Jungnickel 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).
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Patent number: 11601971Abstract: Techniques (e.g., method, apparatuses, etc.) for permitting communications, e.g., optical communications are described. In one example, a first communication apparatus may send a bit allocation table, BAT, message, to a second communication apparatus. The BAT update information has a BAT update information signalling update information for updating a BAT which is signalled to be updated. The BAT update information groups information into different groups of subcarriers, wherein the BAT update information has, for each group of subcarriers, information indicating the number of carriers in the group.Type: GrantFiled: October 15, 2021Date of Patent: March 7, 2023Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Volker Jungnickel, Kai Lennert Bober
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Patent number: 11324038Abstract: Techniques (e.g., method, apparatuses, etc.) for permitting communications, e.g., optical communications are described. In one example, a first communication apparatus for the communication with a second communication device may obtain a channel state information from the reception of one or more reference signals and/or beacon signals from one or more frontends of the second apparatus. The first communication apparatus may transform the channel state information from a frequency domain to a time domain, to obtain a time domain channel state information. The first communication apparatus may encode the time domain channel state information. The first communication apparatus may transmit the time domain channel state information to one or more frontends. The first communication apparatus may transmit channel information for association and updated channel information for network coordination in a contention access period and collision-free period, CFP, respectively.Type: GrantFiled: March 10, 2021Date of Patent: May 3, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Volker Jungnickel, Kai Lennert Bober
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Publication number: 20220046699Abstract: Techniques (e.g., method, apparatuses, etc.) for permitting communications, e.g., optical communications are described. In one example, a first communication apparatus may send a bit allocation table, BAT, message, to a second communication apparatus. The BAT update information has a BAT update information signalling update information for updating a BAT which is signalled to be updated. The BAT update information groups information into different groups of subcarriers, wherein the BAT update information has, for each group of subcarriers, information indicating the number of carriers in the group.Type: ApplicationFiled: October 15, 2021Publication date: February 10, 2022Inventors: Volker JUNGNICKEL, Kai Lennert BOBER
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Patent number: 11212003Abstract: Examples relating to techniques for wireless communications, e.g., visible light communication, VLC, are disclosed. In particular, there is disclosed a communication device for communicating with a plurality of other devices, using a wireless link. The device provides individual reference signals using a number of subcarriers or time slots in accordance to the optical clock reference and the number of transmitting devices in the set or streams to be transmitted in parallel. The device defines the position of subcarriers or of signals at the time slots in accordance to an identification number associated to an individual device within the whole set of transmitting devices or in dependence on an identification number identifying a specific stream or transmitter. The device transmits the reference signal which enables the plurality of receiving devices to identify the signal coming from the individual communication device in the whole set of devices.Type: GrantFiled: February 14, 2020Date of Patent: December 28, 2021Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Volker Jungnickel, Jonas Hilt, Kai Lennert Bober, Pablo Wilke-Berenguer, Dominic Schulz, Anagnostis Paraskevopoulos, Malte Hinrichs
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Publication number: 20210195632Abstract: Techniques (e.g., method, apparatuses, etc.) for permitting communications, e.g., optical communications are described. In one example, a first communication apparatus for the communication with a second communication device may obtain a channel state information from the reception of one or more reference signals and/or beacon signals from one or more frontends of the second apparatus. The first communication apparatus may transform the channel state information from a frequency domain to a time domain, to obtain a time domain channel state information. The first communication apparatus may encode the time domain channel state information. The first communication apparatus may transmit the time domain channel state information to one or more frontends. The first communication apparatus may transmit channel information for association and updated channel information for network coordination in a contention access period and collision-free period, CFP, respectively.Type: ApplicationFiled: March 10, 2021Publication date: June 24, 2021Inventors: Volker JUNGNICKEL, Kai Lennert BOBER
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Patent number: 10819431Abstract: It are provided an optical communication system and an optical communication method. The system comprising at least two optical channels for communicating optical data signals; at least one optical filter arrangement for compensating distortions of the optical data signals communicated via the optical channels and/or crosstalk between the optical channels. The optical filter arrangement comprises at least one optical filter assigned to one of the optical channels and at least one optical filter assigned to the other one of the optical channels, wherein each one of the optical filters is configurable in such a way that different wavelength components of an incoming optical signal will be modified individually.Type: GrantFiled: June 8, 2016Date of Patent: October 27, 2020Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Christian Schmidt, Volker Jungnickel
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Publication number: 20200195344Abstract: Examples relating to techniques for wireless communications, e.g., visible light communication, VLC, are disclosed. In particular, there is disclosed a communication device for communicating with a plurality of other devices, using a wireless link. The device provides individual reference signals using a number of subcarriers or time slots in accordance to the optical clock reference and the number of transmitting devices in the set or streams to be transmitted in parallel. The device defines the position of subcarriers or of signals at the time slots in accordance to an identification number associated to an individual device within the whole set of transmitting devices or in dependence on an identification number identifying a specific stream or transmitter. The device transmits the reference signal which enables the plurality of receiving devices to identify the signal coming from the individual communication device in the whole set of devices.Type: ApplicationFiled: February 14, 2020Publication date: June 18, 2020Inventors: Volker JUNGNICKEL, Jonas HILT, Kai Lennert BOBER, Pablo WILKE-BERENGUER, Dominic SCHULZ, Anagnostis PARASKEVOPOULOS, Malte HINRICHS
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Patent number: 10355705Abstract: It is provided a signal processing system, comprising at least a first, a second and a third digital-to-analog converter (DAC); a processing unit configured for splitting a sampled signal into a first and a second signal corresponding to different frequency portions of the sampled signal, transmitting the first signal to the first DAC, splitting the second signal into a first and a second subsignal and transmitting the first subsignal to the second DAC and the second subsignal to the third DAC, the first subsignal corresponding to the real part of the second signal and the second subsignal corresponding to the imaginary part of the second signal; an IQ mixer configured for mixing an analog output signal of the second DAC and an analog output signal of the third DAC and a combiner for combining an analog output signal of the first DAC and an output signal of the IQ mixer.Type: GrantFiled: November 18, 2015Date of Patent: July 16, 2019Assignees: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V., TECHNISCHE UNIVERSITÄT BERLINInventors: Christian Schmidt, Christoph Kottke, Volker Jungnickel, Jonas Hilt
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Patent number: 10326524Abstract: A system for providing a wireless communication with a mobile device includes a plurality of frontends coupled to a central point, each of the plurality of frontends configured to provide for a wireless communication with the mobile device, and a network controller coupled to the central point. The network controller includes a data flow control device configured to control the data flow between each of the frontends and the central point, the data flow control device being configured to operate responsive to a control signal from the network controller, the control signal indicating which of the plurality of frontends serves the mobile device.Type: GrantFiled: May 7, 2018Date of Patent: June 18, 2019Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Volker Jungnickel, Hagen Woesner, Maria de la Luz Fernandez Del Rosal, Anagnostis Paraskevopoulos, Dominic Schulz, Ronald Freund, Liane Termer, Jonas Hilt
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Publication number: 20190132048Abstract: It are provided an optical communication system and an optical communication method. The system comprising at least two optical channels for communicating optical data signals; at least one optical filter arrangement for compensating distortions of the optical data signals communicated via the optical channels and/or crosstalk between the optical channels. The optical filter arrangement comprises at least one optical filter assigned to one of the optical channels and at least one optical filter assigned to the other one of the optical channels, wherein each one of the optical filters is configurable in such a way that different wavelength components of an incoming optical signal will be modified individually.Type: ApplicationFiled: June 8, 2016Publication date: May 2, 2019Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Christian SCHMIDT, Volker JUNGNICKEL
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Patent number: 10128977Abstract: It is described a method for transmitting channel quality information between a second network element and a first network element. The method comprises includes (a) dividing a range of possible radio channel qualities between the two network elements into a fixed number of quality classes, (b) measuring the quality of a radio channel between the two network elements, (c) selecting one quality class out of the fixed number of quality classes based on the measured quality of the radio channel, (d) transmitting from the second network element to the first network element a first channel quality information being indicative for the selected quality class, and (e) transmitting from the second network element to the first network element a second channel quality information being indicative for the measured quality within the limits of the selected quality class. It is further described the first and the second network element, which in conjugation with each other are adapted to carry out the described method.Type: GrantFiled: January 15, 2009Date of Patent: November 13, 2018Assignees: Fraunhofer-Gesellschaft zur foerderung der angewandten Forschung e.V., Nokia Siemens Networks GmbH & Co. KGInventors: Andreas Forck, Thomas Haustein, Volker Jungnickel, Malte Schellmann, Lars Thiele, Thomas Wirth
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Patent number: 10103921Abstract: A method for transmitting a signal is described, wherein the method has transforming a signal into a frequency domain to obtain a spectrum, forming a filtered spectrum according to a filter spectrum and occupying a set of subcarriers of a frequency domain representation of an Orthogonal Frequency Division Multiplex (OFDM) signal with the filtered spectrum. A temporary signal is obtained by transforming the frequency domain representation of the OFDM signal into a time domain. The temporary signal is subjected to a phase modulation.Type: GrantFiled: October 5, 2017Date of Patent: October 16, 2018Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Volker Jungnickel, Liane Grobe
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Publication number: 20180254826Abstract: A system for providing a wireless communication with a mobile device includes a plurality of frontends coupled to a central point, each of the plurality of frontends configured to provide for a wireless communication with the mobile device, and a network controller coupled to the central point. The network controller includes a data flow control device configured to control the data flow between each of the frontends and the central point, the data flow control device being configured to operate responsive to a control signal from the network controller, the control signal indicating which of the plurality of frontends serves the mobile device.Type: ApplicationFiled: May 7, 2018Publication date: September 6, 2018Inventors: Volker JUNGNICKEL, Hagen WOESNER, Maria de la Luz FERNANDEZ DEL ROSAL, Anagnostis PARASKEVOPOULOS, Dominic SCHULZ, Ronald FREUND, Liane TERMER, Jonas HILT
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Publication number: 20180159548Abstract: It is provided a signal processing system, comprising at least a first, a second and a third digital-to-analog converter (DAC); a processing unit configured for splitting a sampled signal into a first and a second signal corresponding to different frequency portions of the sampled signal, transmitting the first signal to the first DAC, splitting the second signal into a first and a second subsignal and transmitting the first subsignal to the second DAC and the second subsignal to the third DAC, the first subsignal corresponding to the real part of the second signal and the second subsignal corresponding to the imaginary part of the second signal; an IQ mixer configured for mixing an analog output signal of the second DAC and an analog output signal of the third DAC and a combiner for combining an analog output signal of the first DAC and an output signal of the IQ mixer.Type: ApplicationFiled: November 18, 2015Publication date: June 7, 2018Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V., TECHNISCHE UNIVERSITÄT BERLINInventors: Christian SCHMIDT, Christoph KOTTKE, Volker JUNGNICKEL, Jonas HILT
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Patent number: 9893783Abstract: Data in a mobile communications system is transmitted on at least one channel between at least one base station with multiple antennas and at least one user equipment. A base station applies precoding to the data based on a set of predefined codebooks. A first tracking mode with a first codebook from the set of predefined codebooks is used for the precoding, and at least a second tracking mode with at least a second codebook from the set of predefined codebooks is used for the precoding. The base station switches between the first tracking mode and the second tracking mode depending on at least one condition of the channel.Type: GrantFiled: October 11, 2007Date of Patent: February 13, 2018Assignee: Nokia Solutions and Networks GmbH & Co. KGInventors: Josef Martin Eichinger, Volker Jungnickel, Egon Schulz, Wolfgang Zirwas
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Publication number: 20180034676Abstract: A method for transmitting a signal is described, wherein the method has transforming a signal into a frequency domain to obtain a spectrum, forming a filtered spectrum according to a filter spectrum and occupying a set of subcarriers of a frequency domain representation of an Orthogonal Frequency Division Multiplex (OFDM) signal with the filtered spectrum. A temporary signal is obtained by transforming the frequency domain representation of the OFDM signal into a time domain. The temporary signal is subjected to a phase modulation.Type: ApplicationFiled: October 5, 2017Publication date: February 1, 2018Inventors: Volker JUNGNICKEL, Liane GROBE
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Patent number: 9813276Abstract: A method for transmitting a signal is described, wherein the method has transforming a signal into a frequency domain to obtain a spectrum, forming a filtered spectrum according to a filter spectrum and occupying a set of subcarriers of a frequency domain representation of an Orthogonal Frequency Division Multiplex (OFDM) signal with the filtered spectrum. A temporary signal is obtained by transforming the frequency domain representation of the OFDM signal into a time domain. The temporary signal is subjected to a phase modulation.Type: GrantFiled: February 29, 2016Date of Patent: November 7, 2017Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Volker Jungnickel, Liane Grobe
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Patent number: 9800297Abstract: A method and a device for data processing in a communication network are provided, wherein a mobile terminal receives several input signals from at least one base station; and wherein the mobile terminal processes said several input signals into a feedback information that is conveyed to at least one base station.Type: GrantFiled: April 14, 2010Date of Patent: October 24, 2017Assignee: Nokia Siemens Networks OyInventors: Lars Thiele, Thomas Wirth, Thomas Haustein, Volker Jungnickel, Malte Schellmann, Egon Schulz, Wolfgang Zirwas
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Patent number: 9793930Abstract: In a method, an apparatus and a system for data transmission, a plurality of transmitters are provided, which operate according to a communications standard for data transmission with a bandwidth that is higher than the transmission bandwidth. The transmitter is adapted to the transmission bandwidth, and the plurality of the adapted transmitters are allocated to different carrier frequencies in the transmission bandwidth for parallel data transmission.Type: GrantFiled: October 16, 2015Date of Patent: October 17, 2017Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Volker Jungnickel, Miguel Gutierrez, Udo Krueger
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Publication number: 20160182270Abstract: A method for transmitting a signal is described, wherein the method has transforming a signal into a frequency domain to obtain a spectrum, forming a filtered spectrum according to a filter spectrum and occupying a set of subcarriers of a frequency domain representation of an Orthogonal Frequency Division Multiplex (OFDM) signal with the filtered spectrum. A temporary signal is obtained by transforming the frequency domain representation of the OFDM signal into a time domain. The temporary signal is subjected to a phase modulation.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Inventors: Volker JUNGNICKEL, Liane GROBE