Patents by Inventor Sven Petersson

Sven Petersson 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).

  • EFFICIENT SRS RESOURCE INDICATION METHODS
    Publication number: 20240305421
    Abstract: A method of transmitting an uplink transmission by a wireless device is disclosed. The method comprises a wireless device receiving signaling configuring the wireless device with a plurality of Sounding Reference Signal (SRS) resources. The wireless device subsequently receives an indication, in a physical layer downlink control channel, of a selected plurality of SRS resources selected from among the plurality of configured SRS resources and transmits a plurality of multiple-input multiple-output (MIMO) layers of a PUSCH transmission. The selected plurality of SRS resources map to respective ones of the plurality of MIMO layers and the indication of the selected plurality of SRS resources includes SRS resource indexes with a fixed order that corresponds to an order in which the SRS resources of the selected plurality of SRS resources are mapped to the MIMO layers.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 12, 2024
    Inventors: Robert Mark Harrison, Sebastian Faxér, Andreas Nilsson, Sven Petersson
  • ADVANCED ANTENNA SYSTEMS WITH REDUCED SIDELOBES
    Publication number: 20240275075
    Abstract: An advanced antenna system, AAS, comprising a plurality of antenna elements (210), where the AAS extends on a surface (S) defined by a normal vector (N), where an x-direction (x) at a point (P) on the surface (S) is parallel to the normal vector (N) at the point (P), where a z-direction (z) at the point (P) on the surface (S) is tangent to the surface (S) and orthogonal to the x-direction (x), where a y-direction (y) at the point (P) on the surface (S) is tangent to the surface (S) and orthogonal to both the x-direction (x) and the z-direction (z), where the antenna elements (210) are arranged in at least three columns (230) extending in the z-direction (z) on the surface (S), where each column (230) comprises at least two antenna elements (210), where at least two of the columns (230) are arranged offset in the z-direction at respective non-zero offset distances (O), relative to a reference column (REF) of the AAS, such that a first offset distance of a first column differs from a second offset distance of a
    Type: Application
    Filed: June 15, 2021
    Publication date: August 15, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Stefan Johansson, Sven Petersson, Henrik Jidhage
  • Configuration of beamforming settings for a wireless radio transceiver device
    Patent number: 12052077
    Abstract: There is provided mechanisms for configuring beamforming settings. A method is performed by a wireless radio transceiver device configured to communicate in directional beams. The method comprises obtaining a performance indication requiring configuration of the beamforming settings of the wireless radio transceiver device. The method comprises selecting a similarity measure objective based on what kind of performance indication was obtained. The method comprises determining, based on the similarity measure objective and results from a similarity measure procedure applied to pairs of received signals, an order in which to evaluate the directional beams when configuring the beamforming settings.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: July 30, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Andreas Nilsson, Fredrik Athley, Sven Petersson
  • Transmission of reference signals from a terminal device
    Patent number: 12047130
    Abstract: There is provided mechanisms for transmission of reference signals. A method is performed by a terminal device. The terminal device comprises at least two physical antenna ports. The method comprises creating a virtual antenna port for, and applied over, at least two of the physical antenna ports. The method comprises transmitting, in the virtual antenna port, as many uplink reference signals as there are physical antenna ports.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: July 23, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Petersson, Fredrik Athley, Andreas Nilsson, Roy Timo, Xinlin Zhang
  • Wireless communication node adapted to radiate antenna beams of different types
    Patent number: 12047140
    Abstract: A wireless communication node comprising an antenna arrangement that is adapted to radiate at least one radiation beam of a first type and at least one radiation beam of a second type. Said at least one radiation beam of the first type has a first type beamwidth (BT1) and said at least one radiation beam of the second type has a second type beamwidth (BT2) that exceeds the first type beamwidth (BT1). Said at least one radiation beam of the first type is arranged for communication with at least a first other node, and where said at least one radiation beam of the second type is arranged for detection of changes in propagation paths for said other node and/or appearances of further other nodes.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: July 23, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Fredrik Athley, Sven Petersson
  • BEAMFORMED TRANSMISSION TOWARDS GROUPS OF TERMINAL DEVICES
    Publication number: 20240243790
    Abstract: A method for beamformed transmission towards groups of terminal devices. Each terminal device is, according to a bandwidth part (BWP) configuration, configured with a BWP set. One BWP in the BWP set is an active BWP for the terminal device. The method is performed by a network node. The method comprises configuring a new terminal device entering one of the groups with an active BWP based on frequency overlap avoidance with the active BWPs of the terminal devices already part of the group entered. The method comprises serving all terminal devices by performing beamformed transmission towards the terminal devices in accordance with the active BWPs.
    Type: Application
    Filed: January 24, 2024
    Publication date: July 18, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Sven PETERSSON, Andreas NILSSON, Fredrik ATHLEY
  • POLARIZED RECEPTION OF REFERENCE SIGNALS AT A TERMINAL DEVICE
    Publication number: 20240243792
    Abstract: There is provided mechanisms for polarized reception of reference signals. A method is performed by a terminal device. The terminal device is equipped with an antenna array having dual-polarized antenna elements. The antenna array is connected to a baseband chain in the terminal device. The method comprises receiving, during a beam management procedure with a TRP, two reference signals transmitted in one OFDM symbol each from the same TRP port within a slot. The two reference signals are received using a filter with a first polarization for a first of the two reference signals and with a second polarization for a second of the two reference signals. The second polarization is orthogonal to the first polarization.
    Type: Application
    Filed: April 1, 2024
    Publication date: July 18, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Sven PETERSSON, Andreas NILSSON
  • Antenna beam virtualization for wide beam wireless communication
    Patent number: 12034506
    Abstract: A method of configuring a dual polarized antenna array for communication between a wireless device (120) and a wireless access network (100), the antenna array comprising antenna elements with respective polarizations, where each antenna element is associated with a respective beamforming weight, the method comprising configuring the antenna array for transmission by a first set of beamforming weights wTX1, wherein the first set of beamforming weights is arranged to provide a transmit antenna port connected to antenna elements of a first polarization and of a second polarization, wherein the transmit antenna port is associated with an antenna power pattern; transmitting a first signal via the transmit antenna port on a downlink, DL, from the antenna array to the wireless device; configuring the antenna array for reception by a second wRX1 and a third wRX2 set of beamforming weights, wherein the second set of beamforming weights wRX1 is arranged to provide a first receive antenna port connected to antenna elem
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: July 9, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Petersson, Fredrik Athley, Andreas Nilsson
  • Efficient SRS resource indication methods
    Patent number: 12021779
    Abstract: A method of transmitting an uplink transmission by a wireless device is disclosed. The method comprises a wireless device receiving signaling configuring the wireless device with a plurality of Sounding Reference Signal (SRS) resources. The wireless device subsequently receives an indication, in a physical layer downlink control channel, of a selected plurality of SRS resources selected from among the plurality of configured SRS resources and transmits a plurality of multiple-input multiple-output (MIMO) layers of a PUSCH transmission. The selected plurality of SRS resources map to respective ones of the plurality of MIMO layers and the indication of the selected plurality of SRS resources includes SRS resource indexes with a fixed order that corresponds to an order in which the SRS resources of the selected plurality of SRS resources are mapped to the MIMO layers.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: June 25, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Robert Mark Harrison, Sebastian Faxér, Andreas Nilsson, Sven Petersson
  • Network architecture, methods, and devices for a wireless communications network
    Patent number: 12021609
    Abstract: Methods and apparatus in a fifth-generation wireless communications, including an example method, in a wireless device, that includes receiving a downlink signal comprising an uplink access configuration index, using the uplink access configuration index to identify an uplink access configuration from among a predetermined plurality of uplink access configurations, and transmitting to the wireless communications network according to the identified uplink access configuration. The example method further includes, in the same wireless device, receiving, in a first subframe, a first Orthogonal Frequency-Division Multiplexing (OFDM) transmission formatted according to a first numerology and receiving, in a second subframe, a second OFDM transmission formatted according to a second numerology, the second numerology differing from the first numerology. Variants of this method, corresponding apparatuses, and corresponding network-side methods and apparatuses are also disclosed.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: June 25, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Stefan Parkvall, Janne Peisa, Gunnar Mildh, Robert Baldemair, Stefan Wager, Jonas Kronander, Karl Werner, Richard Abrahamsson, Ismet Aktas, Peter Alriksson, Junaid Ansari, Shehzad Ali Ashraf, Henrik Asplund, Fredrik Athley, Håkan Axelsson, Joakim Axmon, Johan Axnäs, Kumar Balachandran, Gunnar Bark, Jan-Erik Berg, Andreas Bergström, Håkan Björkegren, Nadia Brahmi, Cagatay Capar, Anders Carlsson, Andreas Cedergren, Mikael Coldrey, Icaro L. J. da Silva, Erik Dahlman, Ali El Essaili, Ulrika Engström, Mårten Ericson, Erik Eriksson, Mikael Fallgren, Rui Fan, Gabor Fodor, Pål Frenger, Jonas Fridén, Jonas Fröberg Olsson, Anders Furuskär, Johan Furuskog, Virgile Garcia, Ather Gattami, Fredrik Gunnarsson, Ulf Gustavsson, Bo Hagerman, Fredrik Harrysson, Ning He, Martin Hessler, Kimmo Hiltunen, Songnam Hong, Dennis Hui, Jörg Huschke, Tim Irnich, Sven Jacobsson, Niklas Jaldén, Simon Järmyr, Zhiyuan Jiang, Martin Johansson, Niklas Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landström, Christina Larsson, Gen Li, Lars Lindbom, Robert Lindgren, Bengt Lindoff, Fredrik Lindqvist, Jinhua Liu, Thorsten Lohmar, Qianxi Lu, Lars Manholm, Ivana Maric, Jonas Medbo, Qingyu Miao, Reza Moosavi, Walter Müller, Elena Myhre, Karl Norrman, Bengt-Erik Olsson, Torgny Palenius, Sven Petersson, Jose Luis Pradas, Mikael Prytz, Olav Queseth, Pradeepa Ramachandra, Edgar Ramos, Andres Reial, Thomas Rimhagen, Emil Ringh, Patrik Rugeland, Johan Rune, Joachim Sachs, Henrik Sahlin, Vidit Saxena, Nima Seifi, Yngve Selén, Eliane Semaan, Sachin Sharma, Cong Shi, Johan Sköld, Magnus Stattin, Anders Stjernman, Dennis Sundman, Lars Sundström, Miurel Isabel Tercero Vargas, Claes Tidestav, Sibel Tombaz, Johan Torsner, Hugo Tullberg, Jari Vikberg, Peter von Wrycza, Thomas Walldeen, Pontus Wallentin, Hai Wang, Ke Wang Helmersson, Jianfeng Wang, Yi-Pin Eric Wang, Niclas Wiberg, Emma Wittenmark, Osman Nuri Can Yilmaz, Ali Zaidi, Zhan Zhang, Zhang Zhang, Yanli Zheng
  • TRANSMISSION OF REFERENCE SIGNALS FROM A TERMINAL DEVICE
    Publication number: 20240195557
    Abstract: There is provided mechanisms for transmission of reference signals. A method is performed by a terminal device. The terminal device comprises at least two physical antenna ports. The method comprises obtaining channel information. The method comprises determining, for at least one given precoder in a codebook, an uplink reference signal to physical antenna port mapping based on the channel information. The method comprises transmitting uplink reference signals in the physical antenna ports according to the determined mapping.
    Type: Application
    Filed: November 10, 2023
    Publication date: June 13, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Sven PETERSSON, Fredrik ATHLEY, Andreas NILSSON, Roy TIMO, Xinlin ZHANG
  • Candidate beam selection for a terminal device
    Patent number: 11973565
    Abstract: There is provided mechanisms for rotational movement triggered candidate beam updating at a terminal device. A method is performed by the terminal device. The method comprises performing beamformed communication, in a first beam having a first pointing direction, with a transmission and reception point. The method comprises detecting that the terminal device is subjected to a rotational movement. The rotational movement causes the first beam to change its pointing direction. The method comprises updating, upon having detected that the terminal device is subjected to the rotational movement, a candidate set of second beams to be used for beam training. The candidate set of second beams, upon having been updated, comprises at least one second beam having a predefined pointing direction.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: April 30, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Andreas Nilsson, Sven Petersson
  • Polarized reception of reference signals at a terminal device
    Patent number: 11962378
    Abstract: There is provided mechanisms for polarized reception of reference signals. A method is performed by a terminal device. The terminal device is equipped with an antenna array having dual-polarized antenna elements. The antenna array is connected to a baseband chain in the terminal device. The method comprises receiving, during a beam management procedure with a TRP, two reference signals transmitted in one OFDM symbol each from the same TRP port within a slot. The two reference signals are received using a filter with a first polarization for a first of the two reference signals and with a second polarization for a second of the two reference signals. The second polarization is orthogonal to the first polarization.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 16, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Petersson, Andreas Nilsson
  • SOUNDING REFERENCE SIGNAL SUBBAND-LEVEL SOUNDING
    Publication number: 20240080145
    Abstract: According to some embodiments, a method is performed by a wireless device comprises: receiving a sounding reference signal (SRS) configuration comprising a frequency hopping pattern over a plurality of slots wherein a frequency domain starting position varies per slot; and transmitting SRS according to the received SRS configuration.
    Type: Application
    Filed: January 18, 2022
    Publication date: March 7, 2024
    Inventors: Andreas Nilsson, Eleftherios Karipidis, Robert Mark Harrison, Sven Jacobsson, Sven Petersson
  • DUAL-POLARIZATION BEAMFORMING
    Publication number: 20240080088
    Abstract: There is presented a wireless device for dual-polarization beamforming. The wireless device comprises an antenna array. The antenna array comprises antenna elements of mutually orthogonal polarizations and a baseband chain. The antenna elements of both polarizations are operatively connected to the baseband chain. There is also presented a method for dual-polarization beamforming as performed by such a wireless device.
    Type: Application
    Filed: July 7, 2023
    Publication date: March 7, 2024
    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven PETERSSON, Fredrik ATHLEY, Andreas NILSSON
  • Beamformed transmission towards groups of terminal devices
    Patent number: 11923938
    Abstract: A method for beamformed transmission towards groups of terminal devices. Each terminal device is, according to a bandwidth part (BWP) configuration, configured with a BWP set. One BWP in the BWP set is an active BWP for the terminal device. The method is performed by a network node. The method comprises configuring a new terminal device entering one of the groups with an active BWP based on frequency overlap avoidance with the active BWPs of the terminal devices already part of the group entered. The method comprises serving all terminal devices by performing beamformed transmission towards the terminal devices in accordance with the active BWPs.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: March 5, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Petersson, Andreas Nilsson, Fredrik Athley
  • METHOD AND APPARATUS FOR ARRAY SIZE INVARIANT BEAMFORMING
    Publication number: 20240072879
    Abstract: Methods for transmitting a first signal x1 and a second signal x2 using a first array of antenna elements of a polarization A and a second array of antenna elements of a substantially orthogonal polarization B. The methods include transmitting x1 in a first beam generated with array size invariant beamforming, using a sub-array A1 of antenna elements from the first array and applying a first precoding matrix, and using a sub-array B1 of antenna elements from the second array and applying a second precoding matrix. The methods also include transmitting x2 in a second beam generated with array size invariant beamforming, using a sub-array A2 of antenna elements from the first array and applying a third precoding matrix, and using a sub-array B2 of antenna elements from the second array and applying a fourth precoding matrix. The sub-arrays within a polarization are typically non-overlapping.
    Type: Application
    Filed: January 12, 2021
    Publication date: February 29, 2024
    Inventors: Robert BALDEMAIR, Sven PETERSSON
  • Transmission of Single-Port Reference Signal Resources
    Publication number: 20240072964
    Abstract: There is provided mechanisms for transmission of single-port reference signal resources. A method is performed by a network node. The method comprises transmitting, as part of performing a beam selection procedure with a user equipment, two single-port reference signal resources. A first of the two single-port reference signal resources is transmitted over a first polarization. A second of the two single-port reference signal resources is transmitted over a second polarization. The two single-port reference signal resources are time-wise overlapping when transmitted.
    Type: Application
    Filed: March 5, 2021
    Publication date: February 29, 2024
    Inventors: Andreas Nilsson, Pär Ankel, Sven Petersson, Fredrik Athley
  • Transmission of Reference Signal Resources
    Publication number: 20240056161
    Abstract: The present invention relates to a first network device (20; 51) for transmission of reference signal resources comprising an antenna arrangement (61) having at least two panel (62, 63) configured to generate beams (53) in different directions. The first network device (20; 51) comprises a control circuitry (210) configured to transmit, as part of performing a beam selection procedure with a second network device (30a; 52), a first reference signal resource in one or more beams from a first of the at least two panel, and a second reference signal resource in one or more beams from a second of the at least two panel. The one or more beams from the first of the two panels is different from the one or more beams from the second of the two panels, and the first reference signal resource is time-wise overlapping with the second reference signal resource when transmitted.
    Type: Application
    Filed: September 2, 2021
    Publication date: February 15, 2024
    Inventors: Pär Ankel, Sven Petersson, Andreas Nilsson, Fredrik Athley
  • Transmission of reference signals from a terminal device
    Patent number: 11855921
    Abstract: There is provided mechanisms for transmission of reference signals. A method is performed by a terminal device. The terminal device comprises at least two physical antenna ports. The method comprises obtaining channel information. The method comprises determining, for at least one given precoder in a codebook, an uplink reference signal to physical antenna port mapping based on the channel information. The method comprises transmitting uplink reference signals in the physical antenna ports according to the determined mapping.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: December 26, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Petersson, Fredrik Athley, Andreas Nilsson, Roy Timo, Xinlin Zhang