Patents by Inventor Per Holmberg
Per Holmberg 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: 11641288Abstract: A method implemented by an electronic device for sending data on low latency communication includes remote writing a sequence number of a message to be sent next to a receiver, determining whether there is an open position in a receive buffer of the receiver using a local tracking mechanism, writing data of the message to an area of an address space of a sending application that is mapped onto the receive buffer as a result of determining there is the open position in the receive buffer, incrementing a local sequence counter, and updating position information in the local tracking mechanism.Type: GrantFiled: September 19, 2019Date of Patent: May 2, 2023Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Leif Johansson, Per Holmberg
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Patent number: 11615023Abstract: A processing system has at least one internal processing unit and associated memory. The memory is accessible by at least two other independent processing units, and the memory of the at least one internal processing unit includes a data structure shared by the at least two other independent processing units that are allowed to perform direct memory writes into the shared data structure. A dedicated set of one or more bits in the shared data structure is allocated to each one of the at least two other independent processing units, each bit or each group of bits in the shared data structure indicates a unique combination of independent processing unit and application handler for handling an application in relation to the corresponding independent processing unit. Preparation and/or activation of the application handler indicated by the set bit or the set group of bits is initiated.Type: GrantFiled: September 17, 2018Date of Patent: March 28, 2023Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Per Holmberg, Leif Johansson
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Publication number: 20220417055Abstract: A method implemented by an electronic device for sending data on low latency communication includes remote writing a sequence number of a message to be sent next to a receiver, determining whether there is an open position in a receive buffer of the receiver using a local tracking mechanism, writing data of the message to an area of an address space of a sending application that is mapped onto the receive buffer as a result of determining there is the open position in the receive buffer, incrementing a local sequence counter, and updating position information in the local tracking mechanism.Type: ApplicationFiled: September 19, 2019Publication date: December 29, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Leif JOHANSSON, Per HOLMBERG
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Publication number: 20220360465Abstract: A method is implemented by a computing device for atomic multicast support for a multicast group, includes receiving a message order from a sequencer via remote write, the message order defining a sequence for a plurality of messages from a multicast group, receiving the plurality of messages from at least one sender in the multicast group via remote write, and providing the plurality of messages to an application in the message order, in response to determining that all of the plurality of messages have been received.Type: ApplicationFiled: September 19, 2019Publication date: November 10, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Per HOLMBERG, Leif JOHANSSON
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Patent number: 11317469Abstract: There is provided a radio access network node (200) for a wireless communication system, wherein the radio access network node (200) is configured to be implemented as a clustered system comprising a cluster of interconnected network node sub-modules (210). Each network node sub-module (210) comprises a processing unit (212) and memory (214), and the memory (214) comprises a data structure. At least one of the network node sub-modules (210) is configured to manage at least one radio and/or antenna unit (220). The radio access network node (200) also has a communication mechanism for communication between the network node sub-modules (210), and the communication mechanism is configured to enable a direct memory write operation from at least one network node sub-module into the data structure of at least one other network node sub-module.Type: GrantFiled: November 28, 2017Date of Patent: April 26, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Per Holmberg, Leif Johansson
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Publication number: 20220107895Abstract: A processing system has at least one internal processing unit and associated memory. The memory is accessible by at least two other independent processing units, and the memory of the at least one internal processing unit includes a data structure shared by the at least two other independent processing units that are allowed to perform direct memory writes into the shared data structure. A dedicated set of one or more bits in the shared data structure is allocated to each one of the at least two other independent processing units, each bit or each group of bits in the shared data structure indicates a unique combination of independent processing unit and application handler for handling an application in relation to the corresponding independent processing unit. Preparation and/or activation of the application handler indicated by the set bit or the set group of bits is initiated.Type: ApplicationFiled: September 17, 2018Publication date: April 7, 2022Inventors: Per HOLMBERG, Leif JOHANSSON
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Patent number: 11243603Abstract: There is provided a method and system (200) for power management of an event-based processing system (100). The system (200) is configured to obtain information representing a history of arrival times of events, wherein the information comprises arrival timestamps of the events. The system (200) is configured to determine a measure for power management based on the timestamps of at least two events represented in the information. The system (200) is also configured to perform power management based on the determined measure.Type: GrantFiled: June 27, 2017Date of Patent: February 8, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Onar Olsen, Per Holmberg
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Patent number: 10931114Abstract: A first voltage source converter and converter station including such a first voltage source converter, as well as a method and computer program product for controlling the first voltage source converter are disclosed. The first voltage source converter has a DC side for connection to a DC system, has an AC side for connection to an AC system and is interconnected with an AC side of a second voltage source converter, which has a DC side connected to the DC system. The first voltage source converter includes a number of converter valve pairs, each being connected to a corresponding AC phase of the AC system and a control unit controlling the converter valves to generate at least one AC waveform and to reduce oscillations between the converters.Type: GrantFiled: August 3, 2017Date of Patent: February 23, 2021Assignee: ABB POWER GRIDS SWITZERLAND AGInventors: Ying Jiang-Häfner, Adil Abdalrahman, Per Holmberg
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Publication number: 20210048877Abstract: There is provided a method and system (200) for power management of an event-based processing system (100). The system (200) is configured to obtain information representing a history of arrival times of events, wherein the information comprises arrival timestamps of the events. The system (200) is configured to determine a measure for power management based on the timestamps of at least two events represented in the information. The system (200) is also configured to perform power management based on the determined measure.Type: ApplicationFiled: June 27, 2017Publication date: February 18, 2021Inventors: Onar OIsen, Per Holmberg
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Publication number: 20200329530Abstract: There is provided a radio access network node (200) for a wireless communication system, wherein the radio access network node (200) is configured to be implemented as a clustered system comprising a cluster of interconnected network node sub-modules (210). Each network node sub-module (210) comprises a processing unit (212) and memory (214), and the memory (214) comprises a data structure. At least one of the network node sub-modules (210) is configured to manage at least one radio and/or antenna unit (220). The radio access network node (200) also has a communication mechanism for communication between the network node sub-modules (210), and the communication mechanism is configured to enable a direct memory write operation from at least one network node sub-module into the data structure of at least one other network node sub-module.Type: ApplicationFiled: November 28, 2017Publication date: October 15, 2020Inventors: Per Holmberg, Leif Johansson
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Publication number: 20200251906Abstract: A first voltage source converter and converter station including such a first voltage source converter, as well as a method and computer program product for controlling the first voltage source converter are disclosed. The first voltage source converter has a DC side for connection to a DC system, has an AC side for connection to an AC system and is interconnected with an AC side of a second voltage source converter, which has a DC side connected to the DC system. The first voltage source converter includes a number of converter valve pairs, each being connected to a corresponding AC phase of the AC system and a control unit controlling the converter valves to generate at least one AC waveform and to reduce oscillations between the converters.Type: ApplicationFiled: August 3, 2017Publication date: August 6, 2020Applicant: ABB Power Grids Switzerland AGInventors: Ying JIANG-HÄFNER, Adil ABDALRAHMAN, Per HOLMBERG
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Publication number: 20150326760Abstract: An imaging system for a motor vehicle includes a camera housing part and at least one camera module to be mounted to said camera housing part. The camera module has first rotation locking means, the camera housing part has second rotation locking means adapted to cooperate with the first rotation locking means, wherein the first and second rotation locking means cooperate to lock the camera module against rotation relative to the camera housing part.Type: ApplicationFiled: May 5, 2015Publication date: November 12, 2015Inventors: Per Knutsson, Peter Fredriksson, Bo Malmborg, Per Holmberg, Daniel Tenselius, Per-Anders Eidet, Roger Wigren
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Patent number: 8946917Abstract: A method is provided for controlling power flow within a wind park system for power transmission to a main power grid, the wind park system including two or more parallel-connected island wind park grids. The method includes the steps of: controlling a first voltage source converter as a swing bus in frequency control, the frequency control including controlling frequency to a steady state reference operating point for operating points within a power dead band and by frequency droop control when exceeding an end point of the power dead band, and controlling at least a second voltage source converter in power control, the power control including controlling power flow to a steady state reference operating point for operating points within a frequency dead band and by power droop control when exceeding an end point of the frequency dead band. A controller and computer program product are also provided.Type: GrantFiled: June 20, 2011Date of Patent: February 3, 2015Assignee: ABB Technology AGInventors: Per Holmberg, Ying Jiang-Häfner, Lars-Erik Juhlin
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Publication number: 20140191507Abstract: The invention relates to a method for controlling power flow within a wind park system (100) for power transmission to a main power grid (90), the wind park system (100) comprising two or more parallel-connected island wind park grids. The method comprises the steps of: controlling a first voltage source converter (10) as a swing bus in frequency control, the frequency control comprising controlling frequency to a steady state reference operating point for operating points within a power dead band and by means of frequency droop control when exceeding an end point of the power dead band, and controlling at least a second voltage source converter (20), (30), (40) in power control, the power control comprising controlling power flow to a steady state reference operating point for operating points within a frequency dead band and by means of power droop control when exceeding an end point of the frequency dead band. The invention also relates to controllers, computer programs and computer program products.Type: ApplicationFiled: June 20, 2011Publication date: July 10, 2014Applicant: ABB TECHNOLOGY AGInventors: Per Holmberg, Ying Jiang-Häfner, Lars-Erik Juhlin
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Publication number: 20140176485Abstract: A touch screen comprises a display displaying through a front surface of the display and a sensor system. The sensor system is interposed between a back surface of the display and a bottom surface of a housing in which the touch screen is arranged. The sensor system comprises a first electrode assembly and a second electrode assembly and is configured to sense capacitance between the first electrode assembly and the second electrode assembly. The touch screen further comprises a processor being configured to determine based on the sensed capacitance a force resulting from the touch action.Type: ApplicationFiled: December 20, 2012Publication date: June 26, 2014Applicant: SONY ERICSSON MOBILE COMMUNICATIONS ABInventors: Per Holmberg, Tomas Kulle, Bjorn Rosqvist, Gunnar Klinghult, Allan Johansson, Lars Knutsson, Georgeta Anton, Peter Aberg
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Patent number: 8736112Abstract: A method for controlling power flow within a multi-terminal DC power transmission system including two or more converter stations and the corresponding multi-terminal DC power transmission system are provided. The method includes the steps of: controlling the power flow to a steady state reference operating point for operating points within a control dead band defined for each respective converter station, and controlling the power flow by means of droop control in at least one of the converter stations upon detection of exceeding of an end point of one or more of the control dead bands.Type: GrantFiled: June 30, 2010Date of Patent: May 27, 2014Assignee: ABB Technology AGInventors: Kerstin Linden, Gunnar Flisberg, Lars-Erik Juhlin, Per Holmberg
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Publication number: 20140101672Abstract: A method, load regulator, and profiling tool for monitoring and analyzing system performance and spare CPU capacity in a system such as a telecommunication system. The load regulator and profiling tool utilize a communication interface to balance the profiling performance of the profiling tool with the available spare CPU capacity in the system. The load regulator regularly sends information to the profiling tool of any spare CPU capacity during profiling, and the profiling tool adjusts the profiling performance gradually in response to the received information.Type: ApplicationFiled: December 13, 2013Publication date: April 10, 2014Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)Inventors: Per Holmberg, Mats Holmberg
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Publication number: 20140075417Abstract: Method and arrangement in a computer (200), for enabling analysis of a computer program execution. The method comprises limiting (205) a number of samples of an event, to be taken, and monitoring (206) the event when the computer program execution to be analysed is made. The method also comprises sampling (207) the monitored (206) event when it occurs, interrupting (209) the monitoring (206) of the event either when the limit of event samples has been reached, or a determined (202) maximum monitoring time has passed.Type: ApplicationFiled: May 18, 2011Publication date: March 13, 2014Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)Inventor: Per Holmberg
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Patent number: 8645185Abstract: A method, load regulator, and profiling tool for monitoring and analyzing system performance and spare CPU capacity in a system such as a telecommunication system. The load regulator and profiling tool utilize a communication interface to balance the profiling performance of the profiling tool with the available spare CPU capacity in the system. The load regulator regularly sends information to the profiling tool of any spare CPU capacity during profiling, and the profiling tool adjusts the profiling performance gradually in response to the received information.Type: GrantFiled: December 6, 2006Date of Patent: February 4, 2014Assignee: Telefonaktiebolaget L M Ericsson (Publ)Inventors: Per Holmberg, Mats Holmberg
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Publication number: 20130334887Abstract: A method for controlling power flow within a multi-terminal DC power transmission system including two or more converter stations and the corresponding multi-terminal DC power transmission system are provided. The method includes the steps of: controlling the power flow to a steady state reference operating point for operating points within a control dead band defined for each respective converter station, and controlling the power flow by means of droop control in at least one of the converter stations upon detection of exceeding of an end point of one or more of the control dead bands.Type: ApplicationFiled: June 30, 2010Publication date: December 19, 2013Applicant: ABB TECHNOLOGY AGInventors: Kerstin Linden, Gunnar Flisberg, Lars-Erik Juhlin, Per Holmberg