Patents by Inventor Jonas Karlsson
Jonas Karlsson 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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Publication number: 20240101549Abstract: Compounds having the structure of Formula (I): and pharmaceutically acceptable salts thereof, wherein X1, R1, R2, R3, R4, R5 and R6 are as defined in the specification; pharmaceutical compositions comprising such compounds and salts; use of such compounds and salts to treat or prevent Prolyl endopeptidase fibroblast activation protein (FAP)-mediated conditions; kits comprising such compounds and salts; and methods for manufacturing such compounds and salts.Type: ApplicationFiled: December 16, 2021Publication date: March 28, 2024Inventors: Jonas BRÅNALT, Björn HOLM, Maria JOHANSSON, Olle KARLSSON, Daniel Laurent KNERR, Anneli NORDQVIST, Robert John SHEPPARD, Marianne SWANSON, Anna TOMBERG
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Patent number: 11943025Abstract: There is provided mechanisms for controlling transmission from an antenna panel. The method is performed by a network apparatus. A method comprises performing time-domain beamformed communication with terminal devices served by the network apparatus using the antenna panel split into N>1 subpanels. Each subpanel has two input ports and is fed, via the input ports, by signals and configured to generate beams by application of antenna element weights to its antenna elements. The subpanels are at least phase-wise synchronized with each other. When one and the same signal is fed into the input ports of all the subpanels, signals as transmitted from the subpanels add up coherently to represent a 1-layer transmission by a time reference being shared between the subpanels.Type: GrantFiled: December 17, 2019Date of Patent: March 26, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Magnus Hurd, Zhiming Yin, Jonas Karlsson
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Patent number: 11777564Abstract: There is provided a method for adjusting beam gain in a radio network node comprising a plurality of antenna elements. The radio network node is configured with a codebook comprising a plurality of predetermined precoding matrices. The method comprises: determining a direction from the radio network node to a target wireless device, and a configured beam gain value in the determined direction; adapting one or more of the plurality of predetermined precoding matrices to generate an adapted precoding matrix in which the beam gain is maximal in the determined direction and equal to or less than the configured beam gain value; and applying the adapted precoding matrix to signals output to the plurality of antenna elements for transmission to the target wireless device.Type: GrantFiled: January 9, 2020Date of Patent: October 3, 2023Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Torbjörn Wigren, Jonas Karlsson
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Patent number: 11736167Abstract: A method for time-domain allocation of radio resources in a communication system using beamforming comprises obtaining of a list of wireless devices to be served. Subcarriers and beam directions of a multi-directional beamform are allocated to wireless devices of the list. The beam direction for each wireless device covers a position of that wireless device. The number of allocable subcarriers is limited to fulfil a beam-forming power constraint. This beam-forming power constraint is that the total power of allocated subcarriers, when each allocated subcarrier provides a same effective isotropic radiated power density for a wireless device as would be provided by a single-directional beamform, is within a predetermined power budget.Type: GrantFiled: January 22, 2019Date of Patent: August 22, 2023Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Magnus Hurd, Jonas Karlsson, Zhiming Yin, Svante Bergman
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Publication number: 20230188188Abstract: An Advanced Antenna System (AAS) receiver and related methods are provided. According to one aspect an AAS receiver comprises a digital processing block of a Radio Frequency Integrated Circuit (RFIC). The digital processing block comprises an interface for communicating with a Central Unit (CU), and a plurality of Antenna Signal Processing Blocks (ASPBs), each receiving a digitized receive signal from a respective antenna element of an antenna array. Each ASPB comprises one or more receivers, each of which receives and processes the signal from the respective antenna element. Some receivers within the ASPB beamform the respective processed signal to produce one or more data streams to be sent to the CU. Other receivers within the ASPB provide the respective processed signal to a processing block that buffers the processed signal and sends it to the CU at a later time, e.g., when traffic to the CU is relatively lower.Type: ApplicationFiled: May 8, 2020Publication date: June 15, 2023Inventors: Magnus Nilsson, Magnus Malmberg, Jonas Karlsson, Torbjörn Wigren, Bo Göransson, Joakim Ahlgren
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Publication number: 20230189343Abstract: Systems and methods for efficient scheduling of Random Access Channel (RACH) occasions in a cellular communications system are provided. In one embodiment, a method performed by a base station comprises transmitting Synchronization Signal Blocks (SSBs) on respective transmit beams in accordance with a beam sweeping scheme. The SSBs are mapped to one or more RACH occasions in accordance with an N-to-1 mapping scheme where N is greater than 1. The method further comprises, for each RACH occasion, processing receive signals from at least a subset of antenna elements in an antenna array of the base station using respective narrowband receivers, thereby providing narrowband receive signals, and performing, based on the narrowband receive signals, random access preamble detection for multiple beam directions that correspond to at least a subset of the transmit beams on which at least a subset of the SSBs to which the RACH occasion is mapped were transmitted.Type: ApplicationFiled: May 11, 2020Publication date: June 15, 2023Inventors: Jing Rao, Jonas Karlsson, Bo Göransson, Torsten Carlsson
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Publication number: 20230170973Abstract: An Advanced Antenna System (AAS) receiver and related methods are provided. According to one aspect an AAS receiver comprises a digital processing block of a Radio Frequency Integrated Circuit (RFIC). The digital processing block comprises an interface for communicating with a Central Unit (CU), and a plurality of Antenna Signal Processing Blocks (ASPBs), each receiving a digitized receive signal from a respective antenna element of an antenna array. Each ASPB comprises one or more receivers, each of which receives the signal from the respective antenna element, processes the received signal, and beamforms the processed signal to produce one or more data streams to be sent to the CU. Each ASPB also includes a narrowband receiver that processes an input signal (either the signal received from the respective antenna element or that signal after processing) to create a narrowband signal that is provided to the CU directly, without beamforming.Type: ApplicationFiled: May 8, 2020Publication date: June 1, 2023Inventors: Magnus Nilsson, Torsten John Carlsson, Peter Jakobsson, Jing Rao, Jonas Karlsson, Torbjörn Wigren, Bo Göransson
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Publication number: 20230010357Abstract: There is provided mechanisms for controlling transmission from an antenna panel. The method is performed by a network apparatus. A method comprises performing time-domain beamformed communication with terminal devices served by the network apparatus using the antenna panel split into N>1 subpanels. Each subpanel has two input ports and is fed, via the input ports, by signals and configured to generate beams by application of antenna element weights to its antenna elements. The subpanels are at least phase-wise synchronized with each other. When one and the same signal is fed into the input ports of all the subpanels, signals as transmitted from the subpanels add up coherently to represent a 1-layer transmission by a time reference being shared between the subpanels.Type: ApplicationFiled: December 17, 2019Publication date: January 12, 2023Inventors: Magnus HURD, Zhiming YIN, Jonas KARLSSON
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Patent number: 11503548Abstract: There is provided mechanisms for determining average total transmission power for an antenna array configured for beamformed transmission within an angular coverage region. A method is performed by a control device. The method comprises determining bin-wise values of beamforming gain for a set of non-overlapping bins collectively covering the angular coverage region of the antenna array. The method comprises obtaining values of total transmission power of the beamformed transmission. The method comprises determining bin-wise values of average transmission power from the bin-wise values of beamforming gain and the values of total transmission power. The method comprises combining the bin-wise values of average transmission power into one value of average total transmission power for the antenna array.Type: GrantFiled: October 8, 2018Date of Patent: November 15, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Yali Pei, Jonas Karlsson, Torbjörn Wigren, Yuan Wang
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Publication number: 20220103213Abstract: There is provided a method for adjusting beam gain in a radio network node comprising a plurality of antenna elements. The radio network node is configured with a codebook comprising a plurality of predetermined precoding matrices. The method comprises: determining a direction from the radio network node to a target wireless device, and a configured beam gain value in the determined direction; adapting one or more of the plurality of predetermined precoding matrices to generate an adapted precoding matrix in which the beam gain is maximal in the determined direction and equal to or less than the configured beam gain value; and applying the adapted precoding matrix to signals output to the plurality of antenna elements for transmission to the target wireless device.Type: ApplicationFiled: January 9, 2020Publication date: March 31, 2022Inventors: Torbjörn Wigren, Jonas Karlsson
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Publication number: 20220094407Abstract: A method for time-domain allocation of radio resources in a communication system using beamforming comprises obtaining of a list of wireless devices to be served. Subcarriers and beam directions of a multi-directional beamform are allocated to wireless devices of the list. The beam direction for each wireless device covers a position of that wireless device. The number of allocable subcarriers is limited to fulfil a beam-forming power constraint. This beam-forming power constraint is that the total power of allocated subcarriers, when each allocated subcarrier provides a same effective isotropic radiated power density for a wireless device as would be provided by a single-directional beamform, is within a predetermined power budget.Type: ApplicationFiled: January 22, 2019Publication date: March 24, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Magnus HURD, Jonas KARLSSON, Zhiming YIN, Svante BERGMAN
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Patent number: 11271299Abstract: In a method for calibrating at least two cross coupled antenna element groups in an antenna array, calibrating (S1) the antenna elements within each group of antenna elements. Further, in a respective calibration transceiver in each group, measuring (S2) a coupled signal within each group and a cross-coupled signal originating in another of the at least two groups. In addition, determining (S3) a respective relative phase and amplitude difference between said at least two groups based on the measured coupled signal and said cross-coupled signal, and determining (S4) the true phase and amplitude difference between the at least two groups based on the determined respective relative phase and amplitude differences. Finally, calibrating (S5) the at least two antenna groups based on the determined true phase and amplitude difference.Type: GrantFiled: July 6, 2016Date of Patent: March 8, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Christian Braun, Vimar Björk, Jonas Karlsson
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Publication number: 20210345252Abstract: There is provided mechanisms for determining average total transmission power for an antenna array configured for beamformed transmission within an angular coverage region. A method is performed by a control device. The method comprises determining bin-wise values of beamforming gain for a set of non-overlapping bins collectively covering the angular coverage region of the antenna array. The method comprises obtaining values of total transmission power of the beamformed transmission. The method comprises determining bin-wise values of average transmission power from the bin-wise values of beamforming gain and the values of total transmission power. The method comprises combining the bin-wise values of average transmission power into one value of average total transmission power for the antenna array.Type: ApplicationFiled: October 8, 2018Publication date: November 4, 2021Inventors: Yali PEI, Jonas KARLSSON, Torbjörn WIGREN, Yuan WANG
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Patent number: 10961660Abstract: A multilayer belt structure that can be used for creping or structuring a cellulosic web in a tissue making process. The multilayer belt structure allows for the formation of various shaped and sized openings in the top surface of the belt, while still providing a structure having the strength, durability, and flexibility required for tissue making processes.Type: GrantFiled: August 13, 2019Date of Patent: March 30, 2021Assignee: Albany International Corp.Inventors: Dana Eagles, Robert Hansen, Jonas Karlsson, Manish Jain, Dhruv Agarwal
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Patent number: 10879941Abstract: There is presented mechanisms for providing information for determining beamforming weights or decoding user data for terminal devices. A method is performed by an RE of an access node. The RE has an interface to an REC of the access node. The method comprises obtaining information from the terminal devices to be used by the REC for determining the beamforming weights or decoding the user data. The method comprises selecting, according to a selection criterion, a part of the information to be provided to the REC in order for the REC to determine the beamforming weights or decode the user data based on the selected part of the information. The method comprises providing the selected part of the information to the REC over the interface.Type: GrantFiled: June 22, 2017Date of Patent: December 29, 2020Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Jacob Österling, Fredrik Huss, Jonas Karlsson, Oskar Mauritz, Christer Östberg, Jan Roxbergh, Alex Stephenne
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Publication number: 20200127717Abstract: There is presented mechanisms for providing information for determining beamforming weights or decoding user data for terminal devices. A method is performed by an RE of an access node. The RE has an interface to an REC of the access node. The method comprises obtaining information from the terminal devices to be used by the REC for determining the beamforming weights or decoding the user data. The method comprises selecting, according to a selection criterion, a part of the information to be provided to the REC in order for the REC to determine the beamforming weights or decode the user data based on the selected part of the information. The method comprises providing the selected part of the information to the REC over the interface.Type: ApplicationFiled: June 22, 2017Publication date: April 23, 2020Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Jacob ÖSTERLING, Fredrik HUSS, Jonas KARLSSON, Oskar MAURITZ, Christer ÖSTBERG, Jan ROXBERGH, Alex STEPHENNE
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Patent number: 10618980Abstract: The invention relates to temporary cross-linked cellulose ethers, a process to make them, as well as their use to influence the rheological profile of an aqueous medium in which they are dissolved. The temporary cross-linked cellulose ethers are characterized in that they are cellulose ethers that are Cross-linked with at least one or more compounds of the formula (C1-4 alkyl)-OC(O)CHOHO—(C1-4 alkyl).Type: GrantFiled: October 13, 2016Date of Patent: April 14, 2020Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.Inventor: Hans Jonas Karlsson
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Publication number: 20200014105Abstract: In a method for calibrating at least two cross coupled antenna element groups in an antenna array, calibrating (S1) the antenna elements within each group of antenna elements. Further, in a respective calibration transceiver in each group, measuring (S2) a coupled signal within each group and a cross-coupled signal originating in another of the at least two groups. In addition, determining (S3) a respective relative phase and amplitude difference between said at least two groups based on the measured coupled signal and said cross-coupled signal, and determining (S4) the true phase and amplitude difference between the at least two groups based on the determined respective relative phase and amplitude differences. Finally, calibrating (S5) the at least two antenna groups based on the determined true phase and amplitude difference.Type: ApplicationFiled: July 6, 2016Publication date: January 9, 2020Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Christian BRAUN, Vimar BJÖRK, Jonas KARLSSON
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Patent number: 10524273Abstract: A method is performed by a radio equipment (RE) of an access node. The RE has an interface to a radio equipment controller (REC) of the access node. The method comprises configuring the resources for at least one of uplink reception and downlink transmission selectively using beamforming weights determined either based on internal information obtained locally in the RE, or based on external information received from the REC over the interface.Type: GrantFiled: October 25, 2016Date of Patent: December 31, 2019Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Jacob Österling, Jonas Karlsson, Oskar Mauritz, Christer Östberg, Jan Roxbergh
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Publication number: 20190360154Abstract: A multilayer belt structure that can be used for creping or structuring a cellulosic web in a tissue making process. The multilayer belt structure allows for the formation of various shaped and sized openings in the top surface of the belt, while still providing a structure having the strength, durability, and flexibility required for tissue making processes.Type: ApplicationFiled: August 13, 2019Publication date: November 28, 2019Applicant: Albany International Corp.Inventors: Dana Eagles, Robert Hansen, Jonas Karlsson, Manish Jain, Dhruv Agarwal