Patents by Inventor Bertrand M Hochwald
Bertrand M Hochwald 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: 8818294Abstract: Embodiments of methods and apparatuses for transmission using a plurality of transmit chains based on a cost function for electromagnetic radiation are disclosed. One method is utilizing a plurality of chains, adjusting at least one of a phase or an amplitude of at least one of the transmit chains based on a cost function, wherein the cost function comprises a criterion for quality of reception at an intended receiver and a threshold for electromagnetic radiation.Type: GrantFiled: April 6, 2012Date of Patent: August 26, 2014Inventor: Bertrand M. Hochwald
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Patent number: 8810253Abstract: Embodiments of methods and apparatuses for characterizing an electrical power distribution system are disclosed. One method includes applying a plurality of test signals to a first plurality of test points of the electrical power distribution system, measuring a plurality of response signals at a second plurality of test points of the electrical distribution system, deriving a characterization matrix for the electrical power distribution system from the plurality of test signals and response signals, and characterizing the electrical power distribution system based on the derived characterization matrix.Type: GrantFiled: March 18, 2012Date of Patent: August 19, 2014Inventors: Thomas L. Marzetta, Bertrand M. Hochwald
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Patent number: 8811530Abstract: Aspects of a method and system for beamforming a broadband signal through a multipart network are provided. In this regard, a plurality of signals received via a plurality of antennas may be detected and a plurality of transmit signals may be generated, wherein a phase of at least one of the plurality of transmit signals is responsive to at least one of the detected phases of the received signals. Each of the generated plurality of transmit signals may be separately amplified to generate a plurality of amplified signals. A plurality of the amplified signals may be input to a plurality of first ports is of a multi-port network, wherein at least one second port of the multi-port network may be responsive to signals input to at least two of the plurality of first ports.Type: GrantFiled: September 14, 2012Date of Patent: August 19, 2014Assignee: Broadcom CorporationInventors: Robert Gustav Lorenz, Bertrand M. Hochwald
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Patent number: 8761694Abstract: Embodiments for at least one method and apparatus of a multiple antenna transceiver are disclosed. One embodiment of the multiple antenna transceiver includes a multiport network having a plurality of first ports and a plurality of second ports, wherein at least one of the second ports is responsive to at least two of the first ports. The multiple antenna transceiver further includes a plurality of antennas, an antenna connected to each of the plurality of second ports. Another embodiment includes a multiple antenna subscriber unit architecture.Type: GrantFiled: November 19, 2010Date of Patent: June 24, 2014Assignee: Broadcom CorporationInventors: Robert G. Lorenz, Bertrand M. Hochwald
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Patent number: 8737529Abstract: Embodiments for at least one method and apparatus of transmitting a transmission signal through a plurality of antennas are disclosed. One method includes generating at least one dynamically adjustable phase shifted signal from the transmission signal. The transmission signal and the at least one dynamically adjustable phase shifted signal are separately amplified. The amplified transmission signal and the amplified at least one dynamically adjustable phase shifted signal are combined within a multiport network. An output signal for each of the plurality of antennas is generated by the multiport network.Type: GrantFiled: January 18, 2010Date of Patent: May 27, 2014Assignee: Broadcom CorporationInventors: Bertrand M. Hochwald, Robert G. Lorenz, Derek K. Shaeffer
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Patent number: 8633705Abstract: Embodiments of methods and apparatuses for characterizing an electrical power distribution system are disclosed. One method includes applying, by at least one test/response unit, at least one test signal to at least one test point of the system, measuring, by a plurality of test/response units, a plurality of response signals at a plurality of test points, wherein the plurality of response signals are generated in response to the at least one test signal, and characterizing the system based on the plurality of response signals.Type: GrantFiled: March 17, 2013Date of Patent: January 21, 2014Inventors: Bertrand M. Hochwald, Thomas L. Marzetta
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Publication number: 20130214792Abstract: Embodiments of methods and apparatuses for characterizing an electrical power distribution system are disclosed. One method includes applying, by at least one test/response unit, at least one test signal to at least one test point of the system, measuring, by a plurality of test/response units, a plurality of response signals at a plurality of test points, wherein the plurality of response signals are generated in response to the at least one test signal, and characterizing the system based on the plurality of response signals.Type: ApplicationFiled: March 17, 2013Publication date: August 22, 2013Inventors: Bertrand M. Hochwald, Thomas L. Marzetta
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Patent number: 8432997Abstract: Aspects of a method and system for beamforming a broadband signal through a multiport network are provided. In this regard, a plurality of signals received via a plurality of antennas may be detected and a plurality of transmit signals may be generated, wherein a phase of at least one of the plurality of transmit signals is responsive to at least one of the detected phases of the received signals. Each of the generated plurality of transmit signals may be separately amplified to generate a plurality of amplified signals. A plurality of the amplified signals may be input to a plurality of first ports of a multi-port network, wherein at least one second port of the multi-port network may be responsive to signals input to at least two of the plurality of first ports.Type: GrantFiled: February 8, 2011Date of Patent: April 30, 2013Assignee: Broadcom CorporationInventors: Robert Gustav Lorenz, Bertrand M. Hochwald
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Patent number: 8427169Abstract: Embodiments of methods and apparatuses for characterizing an electrical power distribution system are disclosed. One method includes applying at least one test signal to at least one test point of the system, measuring a plurality of response signals at a plurality of test points, wherein the plurality of response signals are generated in response to the at least one test signal, and characterizing the system based on the plurality of response signals. One system includes a plurality of test/response units attached to a plurality of test points, the units configured to generate test signals and/or measure response signals at the test points. At least one controller coordinates application of the test signals and characterizes the electrical network based on the response signals. A communications link allows the test/response units to communicate with the at least one controller.Type: GrantFiled: September 20, 2010Date of Patent: April 23, 2013Inventors: Bertrand M. Hochwald, Thomas L. Marzetta
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Publication number: 20130017858Abstract: Aspects of a method and system for beamforming a broadband signal through a multipart network are provided. In this regard, a plurality of signals received via a plurality of antennas may be detected and a plurality of transmit signals may be generated, wherein a phase of at least one of the plurality of transmit signals is responsive to at least one of the detected phases of the received signals. Each of the generated plurality of transmit signals may be separately amplified to generate a plurality of amplified signals. A plurality of the amplified signals may be input to a plurality of first ports is of a multi-port network, wherein at least one second port of the multi-port network may be responsive to signals input to at least two of the plurality of first ports.Type: ApplicationFiled: September 14, 2012Publication date: January 17, 2013Applicant: Broadcom CorporationInventors: Robert Gustav LORENZ, Bertrand M. Hochwald
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Publication number: 20120258672Abstract: Embodiments of methods and apparatuses for transmission using a plurality of transmit chains based on a cost function for electromagnetic radiation are disclosed. One method is utilizing a plurality of chains, adjusting at least one of a phase or an amplitude of at least one of the transmit chains based on a cost function, wherein the cost function comprises a criterion for quality of reception at an intended receiver and a threshold for electromagnetic radiation.Type: ApplicationFiled: April 6, 2012Publication date: October 11, 2012Inventor: Bertrand M. Hochwald
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Publication number: 20120182038Abstract: Embodiments of methods and apparatuses for characterizing an electrical power distribution system are disclosed. One method includes applying a plurality of test signals to a first plurality of test points of the electrical power distribution system, measuring a plurality of response signals at a second plurality of test points of the electrical distribution system, deriving a characterization matrix for the electrical power distribution system from the plurality of test signals and response signals, and characterizing the electrical power distribution system based on the derived characterization matrix.Type: ApplicationFiled: March 18, 2012Publication date: July 19, 2012Inventors: Thomas L. Marzetta, Bertrand M. Hochwald
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Publication number: 20120129469Abstract: Embodiments for at least one method and apparatus of a multiple antenna transceiver are disclosed. One embodiment of the multiple antenna transceiver includes a multiport network having a plurality of first ports and a plurality of second ports, wherein at least one of the second ports is responsive to at least two of the first ports. The multiple antenna transceiver further includes a plurality of antennas, an antenna connected to each of the plurality of second ports. Another embodiment includes a multiple antenna subscriber unit architecture.Type: ApplicationFiled: November 19, 2010Publication date: May 24, 2012Applicant: BECEEM COMMUNICATIONS INC.Inventors: Robert G. Lorenz, Bertrand M. Hochwald
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Publication number: 20120068718Abstract: Embodiments of methods and apparatuses for characterizing an electrical power distribution system are disclosed. One method includes applying at least one test signal to at least one test point of the system, measuring a plurality of response signals at a plurality of test points, wherein the plurality of response signals are generated in response to the at least one test signal, and characterizing the system based on the plurality of response signals. One system includes a plurality of test/response units attached to a plurality of test points, the units configured to generate test signals and/or measure response signals at the test points. At least one controller coordinates application of the test signals and characterizes the electrical network based on the response signals. A communications link allows the test/response units to communicate with the at least one controller.Type: ApplicationFiled: September 20, 2010Publication date: March 22, 2012Inventors: Bertrand M. Hochwald, Thomas L. Marzetta
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Publication number: 20110201283Abstract: Aspects of a method and system for beamforming a broadband signal through a multiport network are provided. In this regard, a plurality of signals received via a plurality of antennas may be detected and a plurality of transmit signals may be generated, wherein a phase of at least one of the plurality of transmit signals is responsive to at least one of the detected phases of the received signals. Each of the generated plurality of transmit signals may be separately amplified to generate a plurality of amplified signals. A plurality of the amplified signals may be input to a plurality of first ports of a multi-port network, wherein at least one second port of the multi-port network may be responsive to signals input to at least two of the plurality of first ports.Type: ApplicationFiled: February 8, 2011Publication date: August 18, 2011Inventors: Robert Gustav Lorenz, Bertrand M. Hochwald
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Publication number: 20110176635Abstract: Embodiments for at least one method and apparatus of transmitting a transmission signal through a plurality of antennas are disclosed. One method includes generating at least one dynamically adjustable phase shifted signal from the transmission signal. The transmission signal and the at least one dynamically adjustable phase shifted signal are separately amplified. The amplified transmission signal and the amplified at least one dynamically adjustable phase shifted signal are combined within a multiport network. An output signal for each of the plurality of antennas is generated by the multiport network.Type: ApplicationFiled: January 18, 2010Publication date: July 21, 2011Applicant: BECEEM COMMUNICATIONS INC.Inventors: Bertrand M. Hochwald, Robert G. Lorenz, Derek K. Shaeffer
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Patent number: 7822150Abstract: A decoding scheme for determining the information within a coded transmission includes a spherical decoder candidate search that reduces the number of candidate symbol combinations from a much larger number of possibly transmitted combinations. In one example, the spherical decoder uses an upper triangular matrix representation of the channel matrix as part of a recursive, cumulative cost function that provides the results of the candidate search. The candidate search includes considering symbols in a hierarchy or tree structure that represents the possibly transmitted combinations. The cost function incrementally accumulates a cost of a possible combination as the search progresses through the hierarchy. As soon as a symbol is determined to not be a valid candidate, all possible combinations including that symbol are discarded without considering them, directly.Type: GrantFiled: March 15, 2003Date of Patent: October 26, 2010Assignee: Alcatel-Lucent USA Inc.Inventors: Linda Mary Davis, David Garrett, Bertrand M. Hochwald, Stephan Ten Brink
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Patent number: 7764658Abstract: Embodiments described herein include methods for improving the SINR, and therefore communication quality or rate, in the downlink of a cellular communication system. In an embodiment, the system is an orthogonal-frequency-division multiple-access (OFDMA) system. In an embodiment, a set of terminals is designated a coordinated-transmission group. The set of terminal is chosen such that the slot-allocations of the set are given special treatment to alleviate interference from other sectors or cells. In an embodiment, “zones” defined in the WiMax standard are “repurposed” to handle the coordinated-transmission, although the zone was originally intended for another purpose.Type: GrantFiled: March 20, 2007Date of Patent: July 27, 2010Assignee: BECEEM Communications Inc.Inventors: David Garrett, Bertrand M. Hochwald, Arogyaswami Paulraj, Djordje Tujkovic, Louay Jalloul
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Patent number: 7706335Abstract: Embodiments described herein include methods for improving the SINR, and therefore communication quality or rate, in the downlink of a cellular communication system. In an embodiment, the system is an orthogonal-frequency-division multiple-access (OFDMA) system. In an embodiment, a set of terminals is designated a coordinated-transmission group. The set of terminal is chosen such that the slot-allocations of the set are given special treatment to alleviate interference from other sectors or cells. All terminals within a coordination group generally use the same slot, but embodiments are not so limited.Type: GrantFiled: March 20, 2007Date of Patent: April 27, 2010Assignee: BECEEM Communications Inc.Inventors: David Garrett, Bertrand M. Hochwald, Arogyaswami Paulraj, Djordje Tujkovic, Louay Jalloul
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Publication number: 20080161016Abstract: The present invention provides a module for locating a mobile device. In one embodiment, the module is configured to determine a location of a mobile device based on phase-sensitive measurements of wireless signals transmitted by the mobile device. Correspondingly, the module is configured to determine the location based on the phase-sensitive measurements of the wireless signals made at multiple measurement sites.Type: ApplicationFiled: December 28, 2006Publication date: July 3, 2008Applicant: Lucent Technologies Inc.Inventors: Bertrand M. Hochwald, Thomas L. Marzetta, Dennis M. Romain