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).
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Patent number: 11973565Abstract: 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: GrantFiled: December 9, 2019Date of Patent: April 30, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Andreas Nilsson, Sven Petersson
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Patent number: 11962378Abstract: 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: GrantFiled: March 30, 2020Date of Patent: April 16, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Sven Petersson, Andreas Nilsson
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Publication number: 20240080145Abstract: 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: ApplicationFiled: January 18, 2022Publication date: March 7, 2024Inventors: Andreas Nilsson, Eleftherios Karipidis, Robert Mark Harrison, Sven Jacobsson, Sven Petersson
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Publication number: 20240080088Abstract: 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: ApplicationFiled: July 7, 2023Publication date: March 7, 2024Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Sven PETERSSON, Fredrik ATHLEY, Andreas NILSSON
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Patent number: 11923938Abstract: 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: GrantFiled: March 17, 2023Date of Patent: March 5, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Sven Petersson, Andreas Nilsson, Fredrik Athley
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Publication number: 20240072879Abstract: 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: ApplicationFiled: January 12, 2021Publication date: February 29, 2024Inventors: Robert BALDEMAIR, Sven PETERSSON
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Publication number: 20240072964Abstract: 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: ApplicationFiled: March 5, 2021Publication date: February 29, 2024Inventors: Andreas Nilsson, Pär Ankel, Sven Petersson, Fredrik Athley
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Publication number: 20240056161Abstract: 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: ApplicationFiled: September 2, 2021Publication date: February 15, 2024Inventors: Pär Ankel, Sven Petersson, Andreas Nilsson, Fredrik Athley
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Patent number: 11855921Abstract: 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: GrantFiled: August 3, 2022Date of Patent: December 26, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Sven Petersson, Fredrik Athley, Andreas Nilsson, Roy Timo, Xinlin Zhang
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Publication number: 20230412440Abstract: The present disclosure provides a base station for transmitting synchronisation signals on a plurality of carriers, wherein the base station includes processing circuitry and a machine-readable medium storing instructions which, when executed by the processing circuitry, cause the base station to apply a time shift to at least part of a first synchronisation signal to be sent by the base station on a first carrier of the plurality of carriers such that the at least part of the first synchronisation signal is offset in time from a second synchronisation signal to be sent on a second carrier of the plurality of carriers. The base station is further caused to combine signals for the plurality of carriers, including the first and second synchronisation signals, to form a combined signal, amplify the combined signal using a power amplifier, and transmit the amplified combined signal.Type: ApplicationFiled: December 18, 2020Publication date: December 21, 2023Inventors: Karl WERNER, Sven PETERSSON, Tobias JOHANSSON, Kajsa NILSSON, Rikke APELFRÖJD
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Publication number: 20230412237Abstract: There is provided mechanisms for performing a beam selection process. A method is performed by a network node. The method comprises transmitting reference signals during the beam selection process. The beam selection process involves two consecutive beam sweeps to be performed using a set of direction beams. During each of the two consecutive beam sweeps the reference signals are sequentially transmitted in the set of direction beams as the directional beams are swept. During the two consecutive beam sweeps, the reference signals are in a first subset of the directional beams transmitted with a first polarization, and the reference signals are in a second subset of the directional beams transmitted with a second polarization.Type: ApplicationFiled: November 27, 2020Publication date: December 21, 2023Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas NILSSON, Pär ANKLE, Fredrik ATHLEY, Sven PETERSSON
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Publication number: 20230413200Abstract: There is provided mechanisms for signalling, towards user equipment, a spatial relation between component carriers on which SSBs are to be transmitted. A method is performed by a network node. The method comprises signalling, towards the user equipment is served by the network node, an indication of spatial QCL among the SSBs to be transmitted on different ones of the component carriers. The method comprises initiating transmission of the SSBs on the component carriers.Type: ApplicationFiled: November 27, 2020Publication date: December 21, 2023Applicant: Telefonaktiebolaget LM Ercison (publ)Inventors: Andreas NILSSON, Pär ANKEL, Fredrik ATHLEY, Sven PETERSSON
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Publication number: 20230403065Abstract: There is provided mechanisms for communication in a wireless access network using a dual polarized antenna array. The antenna array comprises antenna elements of a first polarization and of a second polarization. A method comprises transmitting a first signal via a transmit antenna port in a transmit beam on a first link of the wireless access network. The transmit antenna port is connected to the antenna elements of both the first polarization and the second polarization. The method comprises receiving a second signal on a second link of the wireless access network via a first receive antenna port in a first receive beam and via a second receive antenna port in a second receive beam. The first receive antenna port is connected to antenna elements of the first polarization and the second receive antenna port is connected to antenna elements of the second polarization. The receive beams and the transmit beam fulfil an overlap criterion with respect to their total power patterns.Type: ApplicationFiled: October 30, 2020Publication date: December 14, 2023Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Sven PETERSSON, Fredrik ATHLEY, Andreas NILSSON
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Publication number: 20230379118Abstract: A method performed by a wireless device of configuring uplink sounding transmissions is provided. The method includes receiving, from a network node, receiving, from a network node, different sets of configuration parameters for sounding signal transmissions for the wireless device. Each of the different sets of configuration parameters includes a time-domain parameter and different frequency allocations. The method further includes receiving, from the network node, downlink control information, DCI, comprising information that indicates which of the configured frequency allocations that should be applied for the SRS transmission. Furthermore, the method includes generating a sounding reference signal based on the received DCI.Type: ApplicationFiled: May 11, 2021Publication date: November 23, 2023Inventors: Andreas NILSSON, Mattias FRENNE, Robert Mark HARRISON, Sven PETERSSON
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Publication number: 20230353204Abstract: 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: ApplicationFiled: March 30, 2020Publication date: November 2, 2023Applicant: Telefonaktiebolaget LM Ericsson (pub)Inventors: Sven PETERSSON, Andreas NILSSON
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Publication number: 20230344479Abstract: 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: ApplicationFiled: February 22, 2023Publication date: October 26, 2023Inventors: Fredrik ATHLEY, Sven PETERSSON
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Patent number: 11728879Abstract: 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: GrantFiled: August 2, 2021Date of Patent: August 15, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Sven Petersson, Fredrik Athley, Andreas Nilsson
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Publication number: 20230224059Abstract: 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: ApplicationFiled: January 5, 2023Publication date: July 13, 2023Inventors: 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
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Publication number: 20230224000Abstract: 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: ApplicationFiled: March 17, 2023Publication date: July 13, 2023Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Sven PETERSSON, Andreas NILSSON, Fredrik ATHLEY
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Publication number: 20230189018Abstract: The present invention relates to an active antenna system, AAS, for controlling coverage in a telecommunication network, and the AAS comprising a plurality of subarrays each having multiple radiating elements. The AAS is configured to provide coverage in a coverage angular range and the plurality of subarrays comprising at least two types of subarrays. The at least two types of subarrays comprises: a first type of subarray with a first radiation pattern having at least a first angular region with gain below a first threshold value, and a second type of subarray with a second radiation pattern having at least a second angular region with gain below a second threshold value, wherein the second radiation pattern deviates from the first radiation pattern and the first angular region in the first radiation pattern differs from the second angular region in the second radiation pattern.Type: ApplicationFiled: April 21, 2021Publication date: June 15, 2023Inventors: Sven Petersson, Bo Hagerman, Martin Johansson, Stefan Johansson
