Patents by Inventor Niklas JALDÉN
Niklas JALDÉN 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: 20200304233Abstract: There is disclosed a method of operating a radio node (10, 100) in a radio access network, the radio node (10, 100) being adapted for reception beamforming based on radio processing. The method comprises performing link adaptation based on a parametrisation of the radio processing. The disclosure also pertains to related methods and devices.Type: ApplicationFiled: October 30, 2017Publication date: September 24, 2020Inventors: Virgile GARCIA, Niklas JALDÉN
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Patent number: 10778314Abstract: A method for acquiring an indication of a preferred beam of a wireless communication device is disclosed. The method is performed in a network node of a cellular communication network. The network node is adapted to support a plurality of beams of a signal beam-forming scheme and to communicate with the wireless communication device using at least one beam of the plurality of beams. A message indicative of the beam power setting is transmitted to the wireless communication device. Measurement signals are also transmitted. A report indicative of the preferred beam is received from the wireless communication device. The preferred beam is determined by the wireless communication device based on the measurement signals and the beam power setting. Corresponding methods for the wireless communication device, as well as corresponding arrangements, network node, wireless communication device, cellular communication network, and computer program products are also disclosed.Type: GrantFiled: July 22, 2019Date of Patent: September 15, 2020Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas Nilsson, Henrik Asplund, Fredrik Athley, Niklas Jaldén
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Publication number: 20200280362Abstract: There is disclosed a method of operating a receiving radio node in a radio access network. The method includes selecting, from a set of defined reception beams formed by reception beamforming, one or more beams for processing, wherein selecting is based on a beam quality representation determined for one or more beams of the set for one or more transmitters.Type: ApplicationFiled: October 30, 2017Publication date: September 3, 2020Inventors: Virgile GARCIA, Niklas JALDÉN
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Patent number: 10728822Abstract: The disclosure relates to a method (20) for initiating a blind handover of a terminal (2) in a wireless communications system (1). The terminal (2) is served by a first cell using a first frequency band and a first radio access technology, wherein the wireless communications system (1) employs a method for dynamically changing coverage in at least one of the first cell and a second cell. The method (20) comprises estimating (21) the coverage in the second cell, wherein at least one of a second frequency band and a second radio access technology of the second cell may differ from the first frequency band and the first radio access technology, an initiating (22) the blind handover for the terminal (2) to the second cell only if the estimated coverage in the second cell meets a criterion. A wireless communications system (1), computer programs and computer program products are also provided.Type: GrantFiled: March 17, 2015Date of Patent: July 28, 2020Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Niklas Jaldén, Paul Stjernholm, Peter von Butovitsch
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Patent number: 10708788Abstract: The present disclosure relates to a first wireless communication node (1) comprising at least one antenna arrangement (2), each antenna arrangement (2) having a beam pattern (3) with a certain first coverage (4). The first wireless communication node (1) is arranged to nm a configuration algorithm to optimize the beam pattern (3). The first wireless communication node (1) is also arranged to determine if at least one neighbouring wireless communication node (5, 6; 5?) is arranged to at least partly cover said first coverage (4) such that an at least partial overlap occurs, and to which degree said neighbouring wireless communication node (5, 6; 5?) covers said first coverage (4). The first wireless communication node (1) is furthermore arranged to run the algorithm at a certain pace in dependence of said degree. The present disclosure also relates to a corresponding method.Type: GrantFiled: March 9, 2015Date of Patent: July 7, 2020Assignee: Telefonaktiebolaget LM Erisson (Publ)Inventors: Andreas Nilsson, Niklas Jaldén
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Patent number: 10681557Abstract: Operations by a wireless communication network include obtaining information of available cell resources of cells in at least a segment of the wireless communications network, and the current operation state of each cell in the segment. The operations further include obtaining a current traffic demand in the segment, and obtaining previously stored spatial channel characteristics for wireless devices being associated with the cells in the segment. The spatial channel characteristics for at least one wireless device of the wireless device is given between the at least one wireless device and at least two cells in the segment. A determination is then made whether to affect the operation state of at least one of the cells or not according to the information of available cell resources, the current traffic demand, and the previously stored spatial channel characteristics.Type: GrantFiled: October 23, 2015Date of Patent: June 9, 2020Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: David Astely, Henrik Asplund, Niklas Jaldén
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Patent number: 10638253Abstract: 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: GrantFiled: March 1, 2019Date of Patent: April 28, 2020Assignee: 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
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Patent number: 10630410Abstract: 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: GrantFiled: May 13, 2016Date of Patent: April 21, 2020Assignee: 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
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Publication number: 20200120482Abstract: 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: December 13, 2019Publication date: April 16, 2020Inventors: 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, Niklas Johansson, Martin Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landstrom, 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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Patent number: 10555184Abstract: There is provided a method for shaping cells in a wireless communications network. The method is performed by a network node. The method comprises acquiring previously stored spatial channel characteristics for wireless devices (WDs), the WDs being associated with a set of radio access network nodes (RANNs), the of the WDs being measured between the at least one WD and at least two RANNs in the set of RANNs. The method comprises determining beam forming parameters for shaping cells for at least one RANN in the set of RANNs based on the acquired spatial channel characteristics such that at least a predetermined share of the WDs has a network coverage probability being higher than a predetermined threshold value. The method comprises notifying at least one of the RANNs in the set of RANNs of the determined beam forming parameters.Type: GrantFiled: October 6, 2014Date of Patent: February 4, 2020Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Niklas Jaldén, Henrik Asplund, David Astely
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Publication number: 20200028745Abstract: 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: ApplicationFiled: May 16, 2019Publication date: January 23, 2020Inventors: 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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Patent number: 10523299Abstract: There is provided mechanisms for shaping transmission beams in a wireless communications network. A method is performed by a network node. The method comprises acquiring channel measurements for wireless devices served by radio access network nodes using current beam forming parameters and being controlled by the network node. The method comprises determining, based on the channel measurements, desired beam forming parameters for shaping the transmission beams for at least one of the radio access network nodes. The method comprises initiating a gradual change of the current beam forming parameters to the desired beam forming parameters for shaping the transmission beams for the at least one of the radio access network nodes. The gradual change causes a need for network controlled handover to occur for at least some of the wireless devices served by the radio access network nodes.Type: GrantFiled: April 27, 2016Date of Patent: December 31, 2019Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas Nilsson, Bo Hagerman, Niklas Jaldén, Walter Müller
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Publication number: 20190341991Abstract: A method for acquiring an indication of a preferred beam of a wireless communication device is disclosed. The method is performed in a network node of a cellular communication network. The network node is adapted to support a plurality of beams of a signal beam-forming scheme and to communicate with the wireless communication device using at least one beam of the plurality of beams. A message indicative of the beam power setting is transmitted to the wireless communication device. Measurement signals are also transmitted. A report indicative of the preferred beam is received from the wireless communication device. The preferred beam is determined by the wireless communication device based on the measurement signals and the beam power setting. Corresponding methods for the wireless communication device, as well as corresponding arrangements, network node, wireless communication device, cellular communication network, and computer program products are also disclosed.Type: ApplicationFiled: July 22, 2019Publication date: November 7, 2019Inventors: Andreas Nilsson, Henrik Asplund, Fredrik Athley, Niklas Jaldén
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Patent number: 10389424Abstract: A method for adapting a beam shape of a beam in a wireless communication system having multiple nodes is disclosed. Each node is provided with an antenna system configured to provide radio coverage in a cell by a cell specific beam. The method comprises: calculating a transmit weight vector for each user to be served by a given cell based on information of spatial channel characteristics for the user to be served by the given cell and long term interference characteristics estimated based on aggregated information of spatial channel characteristics for users that the given cell should avoid interfering with and that are served by other cells; performing phase normalization of the calculated transmit weight vectors; and aggregating all transmit weight vectors to establish a common transmit weight vector used to form the beam shape for the cell specific beam.Type: GrantFiled: February 4, 2016Date of Patent: August 20, 2019Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Niklas Jaldén, Henrik Asplund, David Astely, Martin Johansson
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Patent number: 10382110Abstract: There is provided mechanisms for adaptive user-specific beam forming. A method is performed by a network node. The method comprises acquiring uplink user-specific spatial channel characteristics for a wireless device. The method comprises acquiring a set of downlink port mappings for the wireless device. The method comprises adaptively configuring user-specific ports for the wireless device by using the uplink user-specific spatial channel statistics to determine a downlink user-specific port mapping from the set of downlink port mappings, thereby providing user-specific beam forming for the wireless device.Type: GrantFiled: March 11, 2015Date of Patent: August 13, 2019Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Nima Seifi, Niklas Jaldén, Sven Petersson
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Patent number: 10367677Abstract: 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 13, 2016Date of Patent: July 30, 2019Assignee: 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, Rul Fan, Gabor Fodor, Pål Frenger, Jonas Fridén, Jonas Fröberg Olsson, Anders Furuskár, 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, Yanil Zheng
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Patent number: 10361764Abstract: A method for acquiring an indication of a preferred beam of a wireless communication device is disclosed. The method is performed in a network node of a cellular communication network. The network node is adapted to support a plurality of beams of a signal beamforming scheme and to communicate with the wireless communication device using at least one beam of the plurality of beams. The method comprises acquiring a beam power setting of the plurality of beams. The beam power setting comprises a power offset being applied to at least one beam of the plurality of beams, the power offset being relative to a nominal power setting of the plurality of beams.Type: GrantFiled: September 17, 2015Date of Patent: July 23, 2019Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas Nilsson, Henrik Asplund, Fredrik Athley, Niklas Jaldén
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Patent number: 10348381Abstract: There is provided mechanisms for configuring an antenna system having individual antenna elements arranged in at least two antenna subarrays. Each pair of antenna subarrays has a respective first spatial separation. Each pair of the individual antenna elements has a respective second spatial separation. A method is performed by a network device. The method includes obtaining channel measurements for each of the at least two antenna subarrays. Channel covariance information between the subarrays using the obtained channel measurements is determined. Channel covariance information between all individual antenna elements of the antenna system is determined by interpolating the channel covariance information between the subarrays according to a spatial relation between all first spatial separations and all second spatial separations. Combining of the individual antenna elements of the antenna system is controlled based on the determined channel covariance information between all the individual antenna elements.Type: GrantFiled: November 23, 2015Date of Patent: July 9, 2019Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Niklas Jaldén, Henrik Asplund, David Astely, Fredrik Athley, Andreas Nilsson
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Publication number: 20190149215Abstract: There is provided mechanisms for shaping transmission beams in a wireless communications network. A method is performed by a network node. The method comprises acquiring channel measurements for wireless devices served by radio access network nodes using current beam forming parameters and being controlled by the network node. The method comprises determining, based on the channel measurements, desired beam forming parameters for shaping the transmission beams for at least one of the radio access network nodes. The method comprises initiating a gradual change of the current beam forming parameters to the desired beam forming parameters for shaping the transmission beams for the at least one of the radio access network nodes. The gradual change causes a need for network controlled handover to occur for at least some of the wireless devices served by the radio access network nodes.Type: ApplicationFiled: April 27, 2016Publication date: May 16, 2019Inventors: Andreas Nilsson, Bo HAGERMAN, Niklas JALDÉN, Walter MÜLLER
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Publication number: 20190124527Abstract: There is provided mechanisms for shaping transmission beams in a wireless communications network. A method is performed by a network node. The method comprises acquiring channel measurements from wireless devices served by radio access network nodes using current beam forming parameters and being controlled by the network node. The method comprises determining, based on the channel measurements, desired beam forming parameters for shaping the transmission beams for at least one of the radio access network nodes. The method comprises initiating network controlled handover of at least some of the wireless devices served by the radio access network nodes based on the desired beam forming parameters. The method comprises initiating a change of the current beam forming parameters to the desired beam forming parameters for shaping the transmission beams for the at least one of the radio access network nodes only after having initiated said network controlled handover.Type: ApplicationFiled: April 27, 2016Publication date: April 25, 2019Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Andreas NILSSON, Bo HAGERMAN, NIklas JALDÉN, Walter MÜLLER