Patents by Inventor Rickard Ljung

Rickard Ljung 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).

  • Publication number: 20220046536
    Abstract: A network node (12, 17) dynamically configures and controls assistance information transmissions by wireless communications devices (14) in a wireless communications system (10). The assistance information facilitates performance of power saving adaptations for the wireless communications device (14). The network node (12, 17) configures what information to indicate in assistance information messages, how the message is sent by wireless communications devices (14), and/or when the message should be signaled. The wireless communications devices (14) transmit assistance information messages in accordance with configuration parameters signaled by the network node (12, 17).
    Type: Application
    Filed: November 12, 2019
    Publication date: February 10, 2022
    Inventors: Anders BERGGREN, Rickard LJUNG, Basuki PRIYANTO, Nafiseh MAZLOUM
  • Publication number: 20220046404
    Abstract: A method for discovery signally is disclosed. The method, performed at a network node of a wireless communications network, comprises generating an indicator based on one or more control information to be transmitted in a control signal for discovery, and transmitting the indicator as a preamble to the control signal, wherein the indicator is indicative of content of the control signal.
    Type: Application
    Filed: August 27, 2019
    Publication date: February 10, 2022
    Inventor: Rickard LJUNG
  • Publication number: 20220039159
    Abstract: A method, performed at a first wireless node, for determining a channel occupancy time, COT, of the first wireless node on a radio channel is disclosed. The method comprises obtaining a radio condition parameter indicative of a condition of the radio channel; and determining the channel occupancy time based on the radio condition parameter.
    Type: Application
    Filed: September 12, 2019
    Publication date: February 3, 2022
    Inventor: Rickard LJUNG
  • Patent number: 11240818
    Abstract: Method carried out in a radio communications network for communicating with a user equipment, comprising transmitting resource allocation information addressed to the user equipment, wherein said resource allocation information comprises an indication of frequency domain repetition, and wherein said frequency domain repetition is associated with a predetermined mapping of repetitions.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: February 1, 2022
    Assignee: Sony Group Corporation
    Inventors: Martin Beale, Rickard Ljung, Basuki Priyanto, Shin Horng Wong
  • Patent number: 11240849
    Abstract: A method comprises communicating, between a terminal (102) and a base station (101), an uplink control message (6001, 6003) of a random access procedure, the uplink control message (6001, 6003) comprising an indicator indicative of uplink payload data (6005, 6007) queued for transmission during the random access procedure. The method also comprises configuring the random access procedure depending on the indicator and communicating, in the random access procedure configured in accordance with the indicator, the uplink payload data (6005, 6007).
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: February 1, 2022
    Assignee: Sony Group Corporation
    Inventors: Nafiseh Mazloum, Basuki Priyanto, Peter C. Karlsson, Rickard Ljung, Anders Berggren
  • Patent number: 11240840
    Abstract: The present invention relates to a method comprising monitoring a first value indicative of at least one of a relative occupancy of a wireless channel, and a signal quality of a signal received from a remote communication device (10) via the wireless channel. Furthermore, the method comprises monitoring a second value indicative of a signal level (301) on the wireless channel, and, based on the first value and the second value, selectively initiating a data transmission via the wireless channel.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: February 1, 2022
    Assignee: Sony Group Corporation
    Inventor: Rickard Ljung
  • Publication number: 20220030436
    Abstract: A node transmits on a communication link (111, 112) using transmit time resources from a resource budget (700, 752) associated with a spectrum access restriction imposed on a second node (102).
    Type: Application
    Filed: November 20, 2019
    Publication date: January 27, 2022
    Inventors: Kåre AGARDH, Rickard LJUNG, Olof ZANDER, Erik BENGTSSON
  • Publication number: 20220015003
    Abstract: A method includes receiving (3006) at least one report signal (813) from at least one relay node (103, 104, 400), the at least one report signal (813) being associated with a plurality of communication links (111-115) formed by a first node (101, 400), a second node (102, 400), and the at least one relay node (103, 104, 400). The method also includes determining (3007) a multi-hop transmission path (192) for communication between the first node (101, 400) and the second node (102, 400) using communication links (111, 112) selected from the plurality of communication links (111-115), based on the at least one report signal (813) and a spectrum access restriction of a spectrum access of the first node (101, 400).
    Type: Application
    Filed: November 22, 2019
    Publication date: January 13, 2022
    Inventors: Erik BENGTSSON, Rickard LJUNG, Kåre AGARDH, Olof ZANDER, Fredrik RUSEK
  • Patent number: 11224006
    Abstract: A wireless communications system transmits a first message including an anonymous discovery pilot identification code to a first terminal, receives a second message from a second terminal and determines whether the second message identifies the discovery pilot identification code. The system may transmit a third message identifying the first terminal to the second terminal responsive to the second message identifying the discovery pilot identification code. Transmission of the first message may be preceded by receiving a request message from the first terminal requesting permission to transmit a discovery pilot signal.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: January 11, 2022
    Assignee: Sony Group Corporation
    Inventor: Rickard Ljung
  • Publication number: 20220006847
    Abstract: A user equipment includes a wireless interface for communication with a cellular communication network. The user equipment is operative to receive, via the wireless interface, network assistance information for a media streaming session, and to transmit media streaming session related information to the cellular communication network.
    Type: Application
    Filed: September 16, 2021
    Publication date: January 6, 2022
    Inventors: Martin DANIELSSON, Peter C. KARLSSON, Rickard LJUNG
  • Patent number: 11218205
    Abstract: Multi-beam multiplexing in mobile radio communication networks, specifically for initial network access transmissions, such as Random Access Channel (RACH) transmissions and other initial network access signals that affect the operation of the Random Access operation. A network node is configured to distribute, simultaneously, a plurality of beams across a predetermined coverage area. Each of the beams are associated with a different coverage area. In addition, a plurality of sub-carriers are precoded in an OFDM modulated signal, which includes control information, for the purpose of shaping (i.e., beamforming) each of the plurality of beams. In this regard, one or more sub-carriers are mapped to a beam.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: January 4, 2022
    Assignee: Sony Group Corporation
    Inventors: Basuki Priyanto, Erik Bengtsson, Rickard Ljung
  • Publication number: 20210409973
    Abstract: A method of operating a wireless communication device (90) includes monitoring for signals from a communications network (100, 101, 109) in a connected mode (301) of the wireless communication device (90) with a receive beam configuration (401). The method also includes storing the receive beam configuration (401) and monitoring for further signals (4003-4005) from the communications network (100, 101, 109) in a disconnected mode (302, 303) of the wireless communication device (90) with the stored receive beam configuration (401).
    Type: Application
    Filed: October 25, 2019
    Publication date: December 30, 2021
    Inventors: Anders BERGGREN, Rickard LJUNG, Basuki PRIYANTO, Nafiseh MAZLOUM
  • Patent number: 11206298
    Abstract: The media production element combines media content from a plurality of streaming electronic devices when they are registered to be within the same streaming event. The media production element can produce a combined live video stream or a combined media production using selections and combinations of the streamed content provided by the multiple electronic devices. A network assistance device can receive priority information from the media production element and determine event-coordinated uplink network assistance data based on an event priority assignment corresponding to the event or an individual priority assignment corresponding to a particular device registered to the event with the goal of prioritizing resource allocation to clients/electronic devices that currently are used for the combined media production, and assigning less resources to those that are not currently used or have a lower priority.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: December 21, 2021
    Assignee: Sony Group Corporation
    Inventors: Rickard Ljung, Peter Isberg, Daniel Lonnblad
  • Publication number: 20210391914
    Abstract: A method for performing a listen-before-talk procedure in a first transceiver device (N1) for wireless electromagnetic communication in a frequency band (150) is disclosed. A first transceiver device (N1) configured to perform the method is also disclosed. The method comprises receiving at the first transceiver device (N1) a stream of data (11) from a second transceiver device (N2), and determining whether the second transceiver device (N2) is capable of receiving in only a single or in two polarization directions. If the second transceiver device (N2) is capable of receiving in two polarization directions, then the method comprises determining and using an energy threshold that is larger than a regulated energy threshold for listen-before-talk within the frequency band (150).
    Type: Application
    Filed: August 12, 2019
    Publication date: December 16, 2021
    Inventors: Olof ZANDER, Rickard LJUNG, Erik BENGTSSON, Fredrik RUSEK
  • Patent number: 11191027
    Abstract: The disclosure relates to a method for power management in a battery powered device, wherein the battery powered device comprises a one or more power saving functionalities that are either activated or deactivated on the device, the method comprising: receiving a target battery life, comparing the target battery life with a retrieved time threshold, upon determining whether the target battery life exceeds the retrieved time threshold, selectively activating at least one power saving functionalities from the one or more power saving functionalities. The method may be advantageous as it may allow a user defining a target battery life during which the battery powered device should be able to operate without running out of power.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: November 30, 2021
    Assignee: Sony Group Corporation
    Inventor: Rickard Ljung
  • Patent number: 11190294
    Abstract: A radio device (100) detects a trigger event, which may for example correspond to receiving a paging message (401). In response to the trigger event, the radio device (100) monitors radio channel quality experienced by the radio device (100). In response to a condition based on the monitored radio channel quality channel being met, the radio device triggers a data transfer with the cellular network.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: November 30, 2021
    Assignee: Sony Group Corporation
    Inventors: Henrik Sundstrom, Eduard Popkov, Vanja Plicanic Samuelsson, Rickard Ljung
  • Patent number: 11191009
    Abstract: The invention relates to cell re-selection as a consequence of UE mobility in a scenario where coverage enhancement (CE) is employed for multiple repetitions of messages communicated on a wireless link between the UE and the network, and where a CE policy defines a repetition level. Accordingly, a communication device (130) receives at least one downlink control message (6031) from a base station (112, 112-1) of a source cell (181) of a network (100), the at least one downlink control message (6031) being indicative of access restrictions of a plurality of candidate cells (182, 183) of the network (100); more particularly, the at least one downlink control message (6031) is indicative, for each candidate cell (182, 183) of the plurality of candidate cells (182, 183), of at least one respective regulated repetition level.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: November 30, 2021
    Assignee: Sony Group Corporation
    Inventors: Anders Berggren, Rickard Ljung
  • Patent number: 11184852
    Abstract: A method, comprises communicating, between a base station (112) and a terminal (130, 130-1-130-4), a downlink control message (4001) indicative of a sequence design of a wake-up signal (4003); and communicating, between the base station (112) and the terminal (130, 130-1-130-4), the wake-up signal (4003) in accordance with the sequence design; and in response to said communicating of the wake-up signal (4003): communicating, between the base station (112) and the terminal (130, 130-1-130-4), at least one further signal (4004, 4005).
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: November 23, 2021
    Assignee: Sony Group Corporation
    Inventors: Rickard Ljung, Nafiseh Mazloum, Peter C Karlsson, Basuki Priyanto
  • Patent number: 11184911
    Abstract: A method for mitigating overheating events is provided. The method includes communicating, on a wireless link between a network node and a communication device, first data at a first data rate. The method further includes communicating, on the wireless link, at least one uplink control signal associated with an overheating event at the communication device. In response to said communicating of the at least one uplink control signal, the method includes communicating, on the wireless link, second data at a second data rate, wherein the second data rate is different from the first data rate.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: November 23, 2021
    Assignee: Sony Group Corporation
    Inventors: Rickard Ljung, Lars Nord, Anders Berggren
  • Patent number: 11160115
    Abstract: A method includes setting the back-off time duration (501, 501-1-501-4) based on a count (352, 352-1-352-4) of multiple repetitions (351) of a signal (401-403, 411, 6001), wherein transmission of the multiple repetitions (251) of the signal is allowed after the back-off time duration.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: October 26, 2021
    Assignee: Convida Wireless, LLC
    Inventors: Bo Larsson, Anders Berggren, Rickard Ljung