Patents by Inventor Fredrik Gunnarsson
Fredrik Gunnarsson 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: 20230024368Abstract: Embodiments include methods, performed by a network node, for providing positioning assistance data to one or more user equipment (UEs) in a wireless network. Such methods include determining relative location information for one or more transmission reception points (TRPs) in the wireless network based on absolute location information for an associated TRP in the wireless network. Such methods also include transmitting, to one or more UEs, positioning assistance data including the relative location information for the one or more TRPs. Other embodiments include complementary methods for a UE, as well as network nodes and UEs configured to perform such methods.Type: ApplicationFiled: February 8, 2021Publication date: January 26, 2023Inventors: Fredrik Gunnarsson, Ritesh Shreevastav
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Patent number: 11553299Abstract: A method for handling broadcast information is described. A first network node (111) operating in a wireless communications network (100) determines (403) one or more decryption keys (K1, K2, K3) to be provided to a wireless device (131) in the wireless communications network (100). The decryption keys enable the wireless device (131) to decrypt information to be broadcasted by a second network node (112) in the wireless communications network (100). The information comprises a plurality of subsets of positioning information. Each of the subsets is to be, or is, encrypted with a different encryption key based on a respective type of subscription for wireless devices (131, 132, 133) in the wireless communications network (100). The determined decryption keys are based on at least one type of subscription of the wireless device (131). The first network node (111) then initiates (404) providing the determined to the wireless device (131).Type: GrantFiled: April 30, 2018Date of Patent: January 10, 2023Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Sara Modarres Razavi, Åke Busin, Fredrik Gunnarsson, Karl Norrman, Henrik Rydén
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Publication number: 20230003908Abstract: According to one aspect of the disclosure, a location node configured to communicate with a wireless device is provided. The location node includes processing circuitry configured to: receive spatial information; determine the wireless device relationship between a first reference station and a second reference station based at least in part on the spatial information; compare a first integer ambiguity level of the first reference station with a second integer ambiguity level of the second reference station, the second reference station corresponding to a current reference station of the wireless device; and transmit an indication of an applicability of the first integer ambiguity level of the first reference station to the second integer ambiguity level of the second reference station for position estimation, the indication being based on the comparison of the first integer ambiguity level with the second integer ambiguity level.Type: ApplicationFiled: October 2, 2020Publication date: January 5, 2023Inventors: Fredrik GUNNARSSON, Sara MODARRES RAZAVI, Ritesh SHREEVASTAV
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Publication number: 20220408398Abstract: A method performed by a User Equipment (UE) for handling positioning of the UE in a wireless communications network is provided. The UE is capable of working in a number of positioning modes for performing measurements for positioning of the UE. The UE receives (503) from a radio network node operating in the wireless communications 5 network, a configuration to operate in a specific positioning mode out of the number of positioning modes, for a certain duration. The UE then performs (504) positioning of the UE according to the configuration based on positioning assistance data from any one out of: the radio network node, and a core network node operating in the wireless communications network.Type: ApplicationFiled: October 6, 2020Publication date: December 22, 2022Inventors: Ritesh Shreevastav, Deep Shrestha, Fredrik Gunnarsson, Sara Modarres Razavi
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Publication number: 20220395649Abstract: A dry powder inhaler is disclosed. The dry powder inhaler includes a first housing member and a second housing member being rotatable in relation to one another to prepare administering a medicament dose from at least one medicament reservoir. An air inlet, a first air outlet, and a second air outlet are provided. The air inlet and the first air outlet are connected by a first air channel via a dosage mechanism configured to arrange a dose from the reservoir into the first air channel. The air inlet and the second air outlet are connected by a second air channel. An inhalation chimney is provided internally forming the proximal portion of the first air channel and comprising the first air outlet at a first end thereof.Type: ApplicationFiled: November 13, 2020Publication date: December 15, 2022Inventors: Orest Lastow, Henrik Svedberg, Lars Arvidsson, Fredrik Gunnarsson
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Publication number: 20220386274Abstract: A wireless device and a method therein for receiving positioning system information from a radio network node. The wireless device and the radio network node operate in a wireless communications network. The wireless device receives positioning system information broadcast scheduling information comprising information about positioning System Information Blocks that are comprised in a System Information message. Further, the wireless device receives an indication that a pSIB is segmented into pSIB segments. Based on the indication and on the pSI the wireless device determines whether or not the pSIB segments are scheduled via contiguous scheduling. When the pSIB segments are determined to be scheduled via contiguous scheduling, the wireless device monitors scheduled resources, retrieves the contiguously scheduled pSIB segments and decodes position system information of the retrieved pSIB segments.Type: ApplicationFiled: July 13, 2022Publication date: December 1, 2022Inventors: Fredrik GUNNARSSON, Åke BUSIN, Tao CUI, Sara MODARRES RAZAVI, Ritesh SHREEVASTAV
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Patent number: 11496992Abstract: Methods and device for use in a wireless device of reporting positioning measurements comprises receiving network assistance information from a network node. The network assistance information is for assisting the wireless device in performing Observed Time Difference Of Arrival (OTDOA), and comprises: a list of reference cells; a list of neighbor cells; and a rule for terminating Reference Signal Time Difference (RSTD) measurements. The method further comprises performing RSTD measurement between a cell in the reference cell list and a cell in the neighbor cell list. Upon determining the RSTD measurement satisfies the rule for terminating RSTD measurements, the method includes reporting the RSTD measurements to the network node. Upon determining the RSTD measurement does not satisfy the rule for terminating RSTD measurements, performing another RSTD measurement between the cell in the reference cell list and a cell in the neighbor cell list.Type: GrantFiled: October 1, 2020Date of Patent: November 8, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Sara Modarres Razavi, Johan Bergman, Åke Busin, Fredrik Gunnarsson, Olof Liberg, Xingqin Lin, Henrik Rydèn, Yutao Sui, Martin Van Der Zee
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Publication number: 20220322165Abstract: The invention refers to a wireless device and to operating the wireless terminal, UE, connected to a serving network node associated to a serving cell of a radio access network, RAN, the method comprising: receiving system information from a neighbour cell of the serving cell, determining from the system information if the neighbour cell does or does not broadcast a global cell identifier, CGI, of the neighbour cell; and if the neighbour cell does not broadcast the CGI, transmitting a global cell identifier, CGI, report to the serving network node, wherein the CGI report includes an indication that the neighbour cell does not broadcast the CGI of the neighbour cell. The invention further refers to a corresponding network node and to a method performed in the network node.Type: ApplicationFiled: June 20, 2022Publication date: October 6, 2022Inventors: Reza MOOSAVI, Icaro L.J. DA SILVA, Pradeepa RAMACHANDRA, Fredrik GUNNARSSON
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Patent number: 11445469Abstract: Methods and apparatuses for determining a position of a wireless device in a wireless communication network are provided. The method includes obtaining a first sequence of Time Difference of Arrivals (TDOAs) at the wireless device of reference signals, which are transmitted by and used for synchronization of a first pair of network nodes; and determining, based on the first sequence of TDOAs, a first relative distance. The method also includes obtaining a second sequence of TDOAs at the wireless device of reference signals, which are transmitted by and used for synchronization of a second pair of network nodes; and determining, based on the first sequence of TDOAs, a second relative distance. The method further includes determining the position of the wireless device based on the first and second relative distances. Corresponding computer programs and computer program carriers are also disclosed.Type: GrantFiled: February 9, 2018Date of Patent: September 13, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Satyam Dwivedi, Henrik Asplund, Jonas Medbo, Fredrik Gunnarsson, Ali Zaidi, Sara Modarres Razavi
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Publication number: 20220286998Abstract: Embodiments of a method performed by a network node for determining a position of a mobile node are disclosed herein. In some embodiments, the method performed by a network node for determining a position of a mobile node includes generating a location transmission schedule for a plurality of mobile nodes. The method further includes sending the location transmission schedule for the plurality of mobile nodes.Type: ApplicationFiled: August 27, 2019Publication date: September 8, 2022Inventors: Satyam DWIVEDI, Sara MODARRES RAZAVI, Xingqin LIN, Fredrik GUNNARSSON
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Patent number: 11425685Abstract: A wireless device and a method therein for receiving positioning system information from a radio network node. The wireless device and the radio network node operate in a wireless communications network. The wireless device receives positioning system information broadcast scheduling information comprising information about positioning System Information Blocks that are comprised in a System Information message. Further, the wireless device receives an indication that a pSIB is segmented into pSIB segments. Based on the indication and on the pSI the wireless device determines whether or not the pSIB segments are scheduled via contiguous scheduling. When the pSIB segments are determined to be scheduled via contiguous scheduling, the wireless device monitors scheduled resources, retrieves the contiguously scheduled pSIB segments and decodes position system information of the retrieved pSIB segments.Type: GrantFiled: April 12, 2019Date of Patent: August 23, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Fredrik Gunnarsson, Åke Busin, Tao Cui, Sara Modarres Razavi, Ritesh Shreevastav
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Patent number: 11425676Abstract: Methods and nodes (110; 115; 116; 117; 120; 121; 130; 140) for managing position information associated with a group of wireless devices (120-121) configured to be served in a wireless communication network (100). It is obtained (201; 301-303; 501; 501a-b) information indicating a first wireless device (120) as member and positioning representative of the group and at least one other, second, wireless device (121) as further member of the group. Said at least one second wireless device (121) being able to communicate wirelessly and directly with the first wireless device (120) over a direct communication link (125). A position of said at least one second wireless device (121) is estimated based on communication of positioning supporting information over said direct communication link (125).Type: GrantFiled: June 12, 2018Date of Patent: August 23, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Xin Zhang, Samuel Axelsson, Fredrik Gunnarsson, Kjell Larsson, Jawad Manssour, Sara Modarres Razavi
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Publication number: 20220236404Abstract: A method and UE for determining a position of a UE is provided. Assistance data is obtained from a network node for determining the position of the UE at the UE. A round trip time (RTT) measurement procedure is performed with a serving cell base station to obtain a RTT measurement. A received time is measured of a DL PRS from one or more neighbor base stations. The position is estimated using the assistance data, the RTT measurement and the DL PRS received time. A method and a network node to provide the assistance data is also provided. Information indicative of a distance to each of one or more neighbor base stations of a serving cell base station of the UE and location information of the base stations is obtained. Assistance data is provided to the UE, including the information indicative of the distance and the location information.Type: ApplicationFiled: May 8, 2020Publication date: July 28, 2022Inventors: Fredrik GUNNARSSON, Satyam DWIVEDI, Per ERNSTRÖM, Florent MUNIER, Ritesh SHREEVASTAV, Iana SIOMINA
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Publication number: 20220221548Abstract: A wireless device (12) is configured for radio access technology, RAT, dependent positioning in a wireless communication network (10). The wireless device (12) receives, from a network node (18), assistance data (20) that assists the wireless device (12) with RAT-dependent positioning, e.g., downlink Observed Time Difference of Arrival. The assistance data (20) may be based on device-specific information. The device-specific information may for example include a subscription associated with the wireless device (12). The wireless device (12) may perform the RAT-dependent positioning based on assistance from the assistance data (20).Type: ApplicationFiled: April 30, 2020Publication date: July 14, 2022Inventors: Ritesh Shreevastav, Åke Busin, Fredrik Gunnarsson
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Patent number: 11388545Abstract: A solution for providing differentiated positioning services in a wireless communication system is provided. For example, a method to be performed by a wireless device is provided, which includes requesting a high accuracy positioning information from the network, e.g. from a network node. The method further includes obtaining information from the network in response to the request, which is valid for a predefined period of time, and which enables the wireless device to obtain the high accuracy positioning information during the predefined period of time. The method further includes performing positioning or assisting performance of positioning based on the obtained high accuracy positioning information.Type: GrantFiled: December 7, 2020Date of Patent: July 12, 2022Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Pål Frenger, Erik Eriksson, Fredrik Gunnarsson, Martin Hessler, Pradeepa Ramachandra
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Patent number: 11387928Abstract: A method and a user equipment (110) as well as a method and a radio transmitter (120) for managing positioning reference signals are disclosed. Moreover, a method and a network node (130) for configuring positioning reference signals are disclosed. The network node (130) sends (A050), to the user equipment (110), a reception configuration of positioning reference signals, wherein the reception configuration comprises a cell identity relating to the radio transmitter (120) and an identifier for determining of positioning reference signals. The network node (130) sends (A070), to the radio transmitter (120), a transmit configuration of positioning reference signals, wherein the transmit configuration comprises the cell identity and the identifier. The radio transmitter (120) determines (A090) the positioning reference signals based on the cell identity and the identifier. The radio transmitter (120) sends (A100) the positioning reference signals to the user equipment (110).Type: GrantFiled: June 8, 2020Date of Patent: July 12, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Henrik Rydén, Fredrik Gunnarsson, Sara Modarres Razavi, Meng Wang
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Publication number: 20220217673Abstract: Systems and methods for providing measurement reporting for mobile radio network nodes are provided. Embodiments of a method performed by a user equipment (UE) comprise obtaining, from a location server, positioning assistance information comprising information for mobile radio network nodes and their corresponding downlink signal configurations, and measuring one or more positioning parameters corresponding to each of one or more mobile radio network nodes. In another embodiment, a method performed by a location server comprises determining mobile radio network nodes in a vicinity of a UE, and sending, to the UE, positioning assistance information comprising information for mobile radio network nodes and their corresponding downlink signal configurations.Type: ApplicationFiled: May 15, 2019Publication date: July 7, 2022Inventors: Ali Zaidi, Ritesh Shreevastav, Fredrik Gunnarsson, Henrik Rydén, Satyam Dwivedi, Sara Modarres Razavi
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Patent number: 11381445Abstract: Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.Type: GrantFiled: May 16, 2019Date of Patent: July 5, 2022Assignee: 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, Bo Lincoln, 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, Johan Nilsson, 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, Anders Wallén, 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: 20220196780Abstract: Some embodiments advantageously provide methods, wireless devices and network nodes for adapting PRS transmission to hide the local clock information of base stations. According to one aspect, an exemplary process includes a network node for transmitting PRS. The process includes delaying or advancing the transmission of at least one positioning reference signal in accordance with received offset information wherein delaying or advancing the transmission according to the offset information shifts the transmission of the at least one positioning reference signal away from a scheduled transmission time for the one positioning reference signal transmission.Type: ApplicationFiled: August 17, 2018Publication date: June 23, 2022Inventors: Satyam DWIVEDI, Henrik RYDÉN, Sara MODARRES RAZAVI, Fredrik GUNNARSSON
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Patent number: 11368883Abstract: The invention refers to a wireless device and to operating the wireless terminal, UE, connected to a serving network node associated to a serving cell of a radio access network, RAN, the method comprising: receiving system information from a neighbour cell of the serving cell, determining from the system information if the neighbour cell does or does not broadcast a global cell identifier, CGI, of the neighbour cell; and if the neighbour cell does not broadcast the CGI, transmitting a global cell identifier, CGI, report to the serving network node, wherein the CGI report includes an indication that the neighbour cell does not broadcast the CGI of the neighbour cell. The invention further refers to a corresponding network node and to a method performed in the network node.Type: GrantFiled: April 17, 2019Date of Patent: June 21, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Reza Moosavi, Icaro L. J. da Silva, Pradeepa Ramachandra, Fredrik Gunnarsson