Patents by Inventor Mikael Coldrey

Mikael Coldrey 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).

  • IMPROVED HANDLING OF RE-TRANSMISSIONS IN A WIRELESS COMMUNICATION NETWORK
    Publication number: 20220376828
    Abstract: The present disclosure relates to a node (AP2, U11) in a wireless communication system (1), where the node (AP2, U11) is adapted to communicate with at least two other nodes (AP1, AP0) in the wireless communication system (1), and where the other nodes (AP1, AP0) are first type nodes (AP1, AP0) which are adapted to communicate with each other by means of backhaul communication. The node (AP2, U11) is adapted to receive a signal (xA) transmitted from an adjacent first type node (AP1), where the (xA) has been forwarded from at least one farther first type node (AP0). In case of unsuccessful decoding of the signal (xA), the node (AP2, U11) is adapted to request re-transmission (NACK) of the signal (xA), and to receive a re-transmission of the signal (xA) directly from a farther first type node (AP0).
    Type: Application
    Filed: November 6, 2019
    Publication date: November 24, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Behrooz MAKKI, Mikael COLDREY
  • Adaptive multiple access scheme in integrated access and backhaul networks
    Patent number: 11509391
    Abstract: A method for integrating access and backhaul links, the method includes: obtaining information indicating a data rate requirement for a link between a first AP and a second AP; obtaining information indicating a gain of the link between the first AP and the second AP; computing, using the gain of the link, an achievable data rate for the link between the first AP and the second AP, wherein the achievable data rate is computed based on an OMA scheme; determining that the data rate requirement is greater than the achievable data rate; and as a result of determining that the data rate requirement is greater than the achievable data rate, pairing a first UE with the first AP, such that a NOMA scheme is used for the link between the first AP and second AP and the link between the first AP and the first UE.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: November 22, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Behrooz Makki, Mikael Coldrey, Mona Hashemi
  • IMPROVED RELAYING IN A WIRELESS COMMUNICATION NETWORK
    Publication number: 20220369201
    Abstract: The present disclosure relates to a first type node (AP3) in a wireless communication system (1), wherein the first type node (AP3) is adapted to: —communicate with at least one other first type node (AP2) in the wireless communication system (1) over a corresponding backhaul channel (H32) by means of one of at least one type of signal relaying that employs decoding and encoding, and —communicate with a corresponding group of second type nodes (U31, U32) via a corresponding access channel (h31, h32), each group of second type nodes (U31, U32) comprising at least one second type node (U31, U32).
    Type: Application
    Filed: June 27, 2019
    Publication date: November 17, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Behrooz MAKKI, Mikael COLDREY
  • Planning deployment of a node in a communications network with a drone
    Patent number: 11490266
    Abstract: A method (20) of planning deployment of a node (2c) in a communications network (1) is disclosed. The method (20) is performed by an unmanned aerial vehicle (3) and comprises: flying (21) to a candidate location (c1, . . . , c9), performing (22), at the candidate location (c1, . . . , c9), measurements on a wireless link (La, Lb) to at least one network node (2a, 2b), and providing (23) measurement results of the measurements to an entity (9). A corresponding method in an entity is also provided, an unmanned aerial vehicle, an entity, computer programs and computer program products.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: November 1, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Mona Hashemi, Mikael Coldrey, Jonas Fridén, Lars Manholm
  • IMPROVED SPECTRUM UTILIZATION IN A WIRELESS COMMUNICATION NETWORK
    Publication number: 20220345911
    Abstract: The present disclosure relates to first type node (AP0) in a wireless communication system (1), wherein the first type node (AP0) is adapted to: —communicate with at least one other first type node (AP1, AP2) in the wireless communication system (1) over a corresponding backhaul channel (H1, H4), —acquire a prediction for information (X23) to be requested via at least one of said other first type nodes (AP2, AP3), and to —transmit the predicted information (X23) to one of said other first type nodes (AP2) for buffer storage and/or relaying.
    Type: Application
    Filed: September 2, 2019
    Publication date: October 27, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Behrooz MAKKI, Mikael COLDREY
  • Channel condition estimation
    Patent number: 11444666
    Abstract: There is provided mechanisms for obtaining channel conditions per antenna element, A method is performed by a wireless radio transceiver device comprising N antenna elements in an antenna array with analog beamforming and being configured to communicate using beams. The method comprises obtaining, for a stationary radio propagation channel, channel conditions for signals received by the wireless radio transceiver device in M beams, where M>1. The method comprises transforming the channel conditions for the M beams to channel conditions for the N antenna elements by using a relation based on beamforming weights that map the N antenna elements to the M beams.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 13, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Petersson, Fredrik Athley, Mikael Coldrey, Andreas Nilsson
  • RADIO TRANSCEIVER DEVICE CONFIGURED FOR DITHERING OF A RECEIVED SIGNAL
    Publication number: 20220271786
    Abstract: There is provided a radio transceiver device. The radio transceiver device comprises an antenna. The radio transceiver device further comprises a signal processing module. The radio transceiver device further comprises a receiver chain configured to receive a first signal. The receiver chain extends from the antenna to the signal processing module and at least comprises an analog-to-digital converter (ADC), and is thereby configured to receive a first signal from the antenna and provide the first signal to the signal processing module after application of analog-to-digital conversion in the ADC to the first signal. The radio transceiver device further comprises a transmitter chain. The transmitter chain extends from the signal processing module to the antenna and at least comprises a digital-to-analog converter (DAC), and is thereby configured to receive a second signal from the signal processing module and provide the second signal to the antenna after application of digital-to-analog conversion in the DAC.
    Type: Application
    Filed: June 28, 2019
    Publication date: August 25, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Sven JACOBSSON, Lise AABEL, Ibrahim Can SEZGIN, Christian FAGER, Mikael COLDREY
  • IMPROVED RELAYING IN A WIRELESS COMMUNICATION NETWORK
    Publication number: 20220255676
    Abstract: A first type node (AP0, AP1, AP2) in a wireless communication system (1), wherein the first type node (AP0, AP1, AP2) is adapted to: —communicate with at least one other first type node (AP0, AP1, AP2) in the wireless communication system (1) over a corresponding channel (hA01, hA12), and —transmit a first plurality of signals (x11, x1i, X1N, X21, X2i, X2N?1) to the other first type node (AP0, AP1, AP2).
    Type: Application
    Filed: July 1, 2019
    Publication date: August 11, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Behrooz MAKKI, Mikael COLDREY
  • Network architecture, methods, and devices for a wireless communications network
    Patent number: 11381445
    Abstract: 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: Grant
    Filed: May 16, 2019
    Date of Patent: July 5, 2022
    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, 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
  • RECONSTRUCTION OF CLIPPED SIGNALS
    Publication number: 20220200646
    Abstract: Using information contained in clipped samples from aualog-to-digital (ADC) conversion to improve receiver performance, by, for example, reducing the clipping distortion caused by ADCs due to its data resolution constraints. This provides an advantage over existing solutions, which perform suboptimally because the existing solution discard information in tire clipped samples.
    Type: Application
    Filed: April 23, 2019
    Publication date: June 23, 2022
    Applicant: Talefonaktiebolaget LM Ericsson (publ)
    Inventors: Nikolaos Kolomvakis, Thomas Eriksson, Mikael Coldrey, Mats Viberg
  • Method and apparatus for traffic management in a self-backhauled network by using capacity requests
    Patent number: 11368878
    Abstract: The present invention describes a radio base station and a method for integrated access and backhaul by using backhaul capacity requests. The radio base station is configured to allocate a first part of its capacity to access traffic and a second part of its capacity to backhaul traffic. It is further configured to form a self-backhauled network with a plurality of other radio base stations and select a backhaul route through the self-backhauled network for uplink and downlink backhaul traffic.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: June 21, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mona Hashemi, Mikael Coldrey, Henrik Sahlin
  • IMPROVED RELAYING IN A WIRELESS COMMUNICATION NETWORK
    Publication number: 20220173792
    Abstract: The present disclosure relates to a first type node in a wireless communication system, wherein the first type node is adapted to: communicate with at least one other first type node in the wireless communication system over a corresponding channel receive a plurality of signals, each signal being associated with a corresponding decoding error probability, from the other first type node estimate the decoding error probability for each signal sort the signals in a decoding order according to the estimated decoding error probability, decode the signals one at the time from the lowest estimated decoding error probability to the highest estimated decoding error probability until decoding for a certain signal is determined to have failed, request re-transmission of the signal for which decoding has been determined to have failed, and to request re-transmission of all signals having higher decoding error probability than the signal for which decoding has been determined to have failed.
    Type: Application
    Filed: March 8, 2019
    Publication date: June 2, 2022
    Inventors: Behrooz MAKKI, Mikael COLDREY
  • Methods, network nodes, and computer programs for transmit timing adjustment
    Patent number: 11252736
    Abstract: A method for transmit timing adjustment by a second network node includes obtaining an indication of beam link failure of a current beam that is used for ongoing communication with a first network node. The method further includes switching over to a backup beam of the current beam for continuing the ongoing communication with the first network node, and adjusting transmit timing for transmitting a signal as part of the ongoing communication in the backup beam based on earlier communicated timing information with the first network node before making any transmission of the signal on the backup beam.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: February 15, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mona Hashemi, Henrik Sahlin, Per-Erik Eriksson, Behrooz Makki, Lei Bao, Andreas Nilsson, Mikael Coldrey
  • Method for directing an unmanned aerial vehicle to a destination
    Patent number: 11210956
    Abstract: A method (20) performed in a network entity (4, 11, 12) is provided for directing an unmanned aerial vehicle (2) to a destination. The method (20) comprises obtaining (21) route information for at least a first vehicle (3a, 3b) and for the unmanned aerial vehicle (2), establishing (22), based on the route information, that a criterion for co-traveling with the first vehicle (3a, 3b) is fulfilled, and transmitting (23), to the unmanned vehicle (2), information enabling the unmanned aerial vehicle (2) to co-travel with the first vehicle (3a, 3b). Methods in an unmanned aerial vehicle and in a network entity, and an unmanned aerial vehicle, network entity, computer programs and computer program products are also provided.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: December 28, 2021
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Andreas Nilsson, Mikael Coldrey
  • HANDLING OF DETERIORATING AP-TO-AP WIRELESS LINK
    Publication number: 20210400504
    Abstract: There is provided mechanisms for handling a deteriorating AP-to-AP wireless link in an IAB network. A method is performed by a first AP in the IAB network. The method comprises identifying signal deterioration of a first AP-to-AP wireless link between the first AP and a second AP in the IAB network. The first AP-to-AP wireless link is used for backhauling data for CPEs served by the second AP and for backhauling data for CPEs served by a third AP in the IAB network. The second AP has a second AP-to-AP wireless link to the third AP for backhauling data for the CPEs served by the third AP. The method comprises, in response thereto, relaying the data via a first CPE of the CPEs served by the second AP on a first direct wireless link between the first AP and the first CPE.
    Type: Application
    Filed: November 2, 2018
    Publication date: December 23, 2021
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Behrooz MAKKI, Mona HASHEMI, Mikael COLDREY
  • METHOD AND APPARATUS FOR MASSIVE MU-MIMO
    Publication number: 20210320692
    Abstract: Disclosed is a method of a first wireless communication device configured for massive multi-user multiple-input multiple output (MU-MEMO) communication with two or more second wireless communication devices. The first wireless communication device comprises a plurality of antenna ports, each antenna port associated with at least one of a digital-to-analog converter (DAC) and an analog-to-digital converter (ADC). The method comprises acquiring an estimation of a communication channel between the in first wireless communication device and the second wireless communication devices and acquiring an estimation of a quantization distortion caused by either DACs or ADCs. The method also comprises jointly determining (for the two or more second wireless communication devices) a transmission power and a transmission resource for each of the second wireless communication devices, wherein the joint determination is based on the estimation of the communication channel and on the estimation of the quantization distortion.
    Type: Application
    Filed: June 20, 2018
    Publication date: October 14, 2021
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Sven JACOBSSON, Mikael COLDREY, Andreas NILSSON, Giuseppe DURISI
  • Antenna geometries for improved MIMO communication
    Patent number: 11108455
    Abstract: A method for selecting a geometry of an antenna array in a multiple-input multiple-output, MIMO, radio communication system (100), the method comprising; obtaining a first parameter set comprising a first communication distance D1 and a first carrier frequency f1, and a second parameter set comprising a second communication distance D2 and a second carrier frequency f2, determining a first radio communication performance measure based on the first parameter set in dependence of antenna array geometry, and a second radio communication performance measure based on the second parameter set in dependence of antenna array geometry, and selecting the antenna array geometry based on the first radio communication performance measure and on the second radio communication performance measure.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: August 31, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mikael Coldrey, Lei Bao, Jonas Hansryd, Martin Johansson, Christina Larsson
  • Antenna alignment in a non-line of sight condition
    Patent number: 11050466
    Abstract: A method for alignment of an antenna in a microwave radio link system in Non-Line-Of Sight (NLOS) conditions. The method includes having a pointer indicating a first position on a surface to define a first candidate reflection/diffraction point on the surface, aligning a first antenna at a first node and a second antenna at a second node towards the first candidate reflection/diffraction point, and recording a relevant property concerning the channel quality between the first node and the second node via the first candidate reflection/diffraction point. The pointer may be a drone. Related devices and systems are disclosed.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 29, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mikael Coldrey, Mona Hashemi, Lars Manholm, Jonas Fridén
  • Antenna system providing coverage for multiple-input multiple-output, MIMO, communication, a method and system
    Patent number: 11011820
    Abstract: The disclosure relates to an antenna system 1 for providing coverage for multiple-input multiple-output, MIMO, communication in mixed type of spaces. The antenna system 1 comprises a leaky cable 2 arranged to provide coverage in a first type of space, and a distributed antenna system 3 comprising one or more antennas 31, 32, 33, 34 and ranged to provide coverage in a second type of space, wherein each of the one or more antennas 31, 32, 33, 34 of the distributed antenna system 3 is connected to the leaky cable 2 through a circulator 41, 42, 43, and wherein the MIMO communication is enabled by both ends of the leaky cable 2 being adapted for connection to a respective antenna port 8, 9 of a network node 5 configured for 10 MIMO communication. The disclosure also relates to a related method and system.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: May 18, 2021
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Martin Johansson, Henrik Asplund, Mikael Coldrey, Andreas Nilsson
  • PLANNING DEPLOYMENT OF A NODE IN A COMMUNICATIONS NETWORK WITH A DRONE
    Publication number: 20210136595
    Abstract: A method (20) of planning deployment of a node (2c) in a communications network (1) is disclosed. The method (20) is performed by an unmanned aerial vehicle (3) and comprises: flying (21) to a candidate location (c1, . . . , c9), performing (22), at the candidate location (c1, . . . , c9), measurements on a wireless link (La, Lb) to at least one network node (2a, 2b), and providing (23) measurement results of the measurements to an entity (9). A corresponding method in an entity is also provided, an unmanned aerial vehicle, an entity, computer programs and computer program products.
    Type: Application
    Filed: May 31, 2017
    Publication date: May 6, 2021
    Inventors: Mona HASHEMI, Mikael COLDREY, Jonas Fridén, Lars MANHOLM