Patents by Inventor Olof ZANDER

Olof ZANDER 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: 20230387999
    Abstract: A method is disclosed, performed by a network node, for beam suppression at a wireless device. The wireless device is configured to communicate with the network node. The method comprises transmitting, to the wireless device, reference signals for channel estimation of a set of beams. The method comprises communicating, between the network node and the wireless device, control signaling indicative of beam suppression of at least one beam of a first subset of beams suppressible by the wireless device.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 30, 2023
    Inventors: Jose FLORDELIS, Erik BENGTSSON, Kun ZHAO, Olof ZANDER, Fredrik RUSEK
  • Publication number: 20230370220
    Abstract: A method is disclosed performed by a network node, for dynamic allocation of one or more Synchronization Signal Blocks (SSBs) of a plurality of SSBs, including a first SSB and a second SSB, in an SSB burst transmission to one or more wireless devices. The method comprises transmitting, to the one or more wireless devices, control signaling indicating a first frequency resource for the first SSB and a second frequency resource for the second SSB in the SSB burst transmission. The first frequency resource and the second frequency resource are different.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 16, 2023
    Inventors: Fredrik RUSEK, Jose FLORDELIS, Kun ZHAO, Erik Lennart BENGTSSON, Olof ZANDER
  • Publication number: 20230361853
    Abstract: Examples relate to a method of operating a first communication node (CN). The first CN is configured for controlling a re-configurable relaying device (RRD), in particular a re-configurable reflective device, the RRD being reconfigurable to provide multiple contemporaneous spatial polarization filterings, each one of the multiple spatial polarization filterings being associated with a respective input spatial direction from which incident signals on a radio channel are accepted and with a respective output spatial direction into which the incident signals are transmitted, in particular reflected, by the RRD. The method comprising providing, to a second CN, a message indicative of the RRD being configurable to transmit an incident signal from a second CN using an output spatial direction to the first CN depending on a property of the incident signal. Further examples, relate to methods of operating the second CN and the RRD. Still further examples, relate to corresponding first CNs, second CNs and RRDs.
    Type: Application
    Filed: September 14, 2021
    Publication date: November 9, 2023
    Inventors: Olof ZANDER, Erik BENGTSSON, Fredrik RUSEK, Jose FLORDELIS, Kun ZHAO
  • Publication number: 20230344507
    Abstract: An access node—e.g., a base station—provide a wireless communication device with a configuration of a reference-signal transmission in response to a need to facilitate angle-of-arrival measurements a reconfigurable repeater device.
    Type: Application
    Filed: October 8, 2021
    Publication date: October 26, 2023
    Inventors: Jose FLORDELIS, Erik BENGTSSON, Fredrik RUSEK, Olof ZANDER, Kun ZHAO
  • Publication number: 20230327713
    Abstract: Examples provide a method of operating a first communication node (CN), wherein the first CN is configured for controlling a re-configurable relaying device (RRD), the RRD being re-configurable to provide spatial polarization filtering, the spatial polarization filtering being associated with an input spatial direction from which incident signals on a radio channel are accepted and with an output spatial direction into which the incident signals are transmitted by the RRD with configurable output polarizations set by the spatial polarization filtering, the method comprising providing, to the RRD, a control message indicative of predefined measurement spatial polarization filters; providing, to a second CN, a message requesting the second CN to transmit first reference signals associated with the predefined measurement spatial polarization filters, and receiving, on the radio channel from the second CN, first reference signals associated with the predefined measurement spatial polarization filters indicated by
    Type: Application
    Filed: September 14, 2021
    Publication date: October 12, 2023
    Inventors: Erik BENGTSSON, Fredrik RUSEK, Kun ZHAO, Jose FLORDELIS, Olof ZANDER
  • Patent number: 11770769
    Abstract: Transmission of at least one first wake-up signal to a communication device (103) is triggered on a direct link (181) between a network (100) and the communication device (103). Transmission of at least one second wake-up signal to the communication device (103) is triggered on a relaying link (182) between the network (100) and the communication device (103).
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: September 26, 2023
    Assignee: Sony Group Corporation
    Inventors: Basuki Priyanto, Olof Zander, Rickard Ljung
  • Patent number: 11757496
    Abstract: The present invention relates to a method for operating a base station (10) of a wireless communication network. Precoding information for concentrating a radio-frequency power of a transmitted radio-frequency signal to a group of terminal devices (41 to 43) arranged in a sub area (37) of a coverage area (30) of the base station (10) is determined and applied to an antenna array (11) of the base station (10). A synchronization signal is transmitted from the base station (10) to the group of terminal devices (41 to 43) using the precoding information.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: September 12, 2023
    Assignee: SONY GROUP CORPORATION
    Inventors: Erik Bengtsson, Basuki Priyanto, Olof Zander
  • Patent number: 11750264
    Abstract: The present disclosure provides a method, performed at a network node, for beam control signalling. The network node is configured to communicate with a wireless device comprising one or more physical antenna panels. Each physical antenna panel is configured to communicate with the network node using one or more panels. The method comprises receiving, from the wireless device, control signalling indicative of an association of the one or more panels with one or more corresponding physical antenna panels. The method comprises selecting, based on the association, one or more beams to be used by the wireless device in communication with the network node.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: September 5, 2023
    Assignee: SONY GROUP CORPORATION
    Inventors: Erik Bengtsson, Olof Zander, Fredrik Rusek
  • Patent number: 11705957
    Abstract: A method (20) performed by a wireless terminal (10) in a wireless communication network (10, 30) is provided. In the method (20), based on a (fundamental) polarization tracking capability of the wireless terminal (10), at least one downlink polarization of at least one downlink communication between the wireless terminal (10) and an access node (30) of the wireless communication network (10, 30) is determined (204). A reference polarization from the at least one downlink polarization is selected (207). Based on the reference polarization and a (momentary) polarization tracking ability of the wireless terminal (10), at least one uplink polarization of at least one uplink communication between the wireless terminal (10) and the access node (30) is configured (210). A corresponding method (40) performed by the access node (30) is also provided, as well as the mentioned wireless terminal (10) and the access node (30).
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: July 18, 2023
    Assignee: Sony Group Corporation
    Inventors: Erik Bengtsson, Olof Zander, Fredrik Rusek
  • Publication number: 20230224003
    Abstract: A method is proposed for operating a re-configurable reflective device, RRD, the RRD being re-configurable to provide multiple spatial filters, each one of the multiple spatial filters being associated with a respective input spatial direction from which incident signals on a data radio channel are accepted and with a respective output spatial direction into which the incident signals are reflected by the RRD. The method comprises: receiving, by the RRD from a first communication node, CN1, on a positioning radio channel different from the data radio channel, a CN1 reference signal, determining, by the RRD, an estimated CN1 angle of arrival of the CN1 reference signal, and reconfiguring the RRD based on the estimated CN1 angle of arrival.
    Type: Application
    Filed: June 23, 2021
    Publication date: July 13, 2023
    Inventors: Erik BENGTSSON, Jose FLORDELIS, Fredrik RUSEK, Kun ZHAO, Olof ZANDER
  • Publication number: 20230217389
    Abstract: A method is disclosed performed at a wireless device, for communicating with one or more wireless nodes using parallel data streams. The method comprises determining (S101), based on a first time of arrival of a first signal from a first wireless node and a second time of arrival of a second signal from a second wireless node, blanking required by the wireless device to ensure communication using the parallel data streams under current conditions. The method comprises transmitting (S103), to at least one of the first and second wireless nodes, signaling indicative of the determined required blanking.
    Type: Application
    Filed: June 16, 2021
    Publication date: July 6, 2023
    Inventors: Olof ZANDER, Erik BENGTSSON, Fredrik RUSEK, Kun ZHAO, José FLORDELIS
  • Publication number: 20230188196
    Abstract: A method of operating a first node (91, 101) of a communications network (100), the method comprising: transmitting, to at least one second node (92, 102), at least one beam configuration (200, 4050) of a listen-before-talk procedure for accessing an open spectrum (481) by the at least one second node (92, 102).
    Type: Application
    Filed: July 27, 2021
    Publication date: June 15, 2023
    Inventors: Olof ZANDER, Jose FLORDELIS, Erik BENGTSSON, Fredrik RUSEK, Kun ZHAO
  • Patent number: 11671167
    Abstract: A system for reflecting an RF signal comprises a plurality of antenna units (2) configured to receive and passively reflect the RF signal, and a reference antenna (6?). Each antenna unit (2) comprises a respective phase shifter (8) operable to adjustably impose a phase change on the RF signal before reflection. The system may be a Large Intelligent Surface (LIS) and the antenna units may be included in an arrangement of separate panel devices. A control system (20) is configured to operate the respective phase shifter (8) to phase align a first analog antenna signal (ASn) with a first analog reference signal (REF), which are received by the respective antenna unit (2) and the reference antenna (6?), respectively, in response to a first RF signal; determine, for the respective phase shifter (8), a first phase setting resulting in phase alignment, and store the first phase setting.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: June 6, 2023
    Assignee: Sony Group Corporation
    Inventors: Erik Bengtsson, Fredrik Rusek, Olof Zander
  • Patent number: 11646770
    Abstract: Systems and methods for selecting a communication mode in a wireless network (10) include a communication mode selection procedure that may be carried out by the respective devices in an automated manner to identify a desired mode for communication between an electronic device (14) and a network node (12). Determining the desired mode for communication is based on the electronic device's (14) capabilities and/or the channel conditions of the communication channel between the electronic device (14) and the network node (12). The procedures described herein may allow for the high data rates associated with polarization based MIMO (P-MIMO) in capably equipped electronic devices (14) while preventing communication interruptions due to unfavorable channel conditions.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 9, 2023
    Assignee: Sony Group Corporation
    Inventors: Fredrik Rusek, Zuleita Ho, Olof Zander, Erik Bengtsson
  • Patent number: 11647359
    Abstract: An electronic device includes a memory circuitry, a processor circuitry, a wireless interface, and one or more sensors. The processor circuitry is configured to obtain sensor data from the one or more sensors. The processor circuitry is configured to determine mobility data based on the sensor data. The processor circuitry is configured to control, based on the sensor data, transmission of a positioning message including the mobility data, via the wireless interface, to a location server device.
    Type: Grant
    Filed: March 14, 2020
    Date of Patent: May 9, 2023
    Assignee: SONY CORPORATION
    Inventors: Anders Berggren, Nafiseh Mazloum, Olof Zander, Rickard Ljung, Kåre Agardh, Basuki Priyanto
  • Publication number: 20230140608
    Abstract: A method of operating a first wireless communication device (101) communicating with a second wireless communication device (102) on a device-to-device link (114) in accordance with a pre-established beam pair is provided. The method includes communicating at least one message (4101-4103) indicative of an activation of at least one of a first transmission (181) of first reference signals (191) from the first wireless communication device (101) to the second wireless communication device (102), or a second transmission (182) of second reference signals (192) from the second wireless communication device (102) to the first wireless communication device (101). The activation of the at least one of the first transmission (181) or the second transmission (182) is for use in beam adjustment of the pre-established beam pair at the first wireless communication device (101).
    Type: Application
    Filed: March 30, 2021
    Publication date: May 4, 2023
    Inventors: Olof ZANDER, Erik BENGTSSON, Fredrik RUSEK, Kun ZHAO, Jose FLORDELIS
  • Publication number: 20230127082
    Abstract: Disclosed is a method performed by a transmitter node of a communication system, for transmitting reference signalling. The method comprises transmitting, to one or more receiver nodes of the communication system, a reference signal sequence using a first antenna port and a carrier frequency. The method comprises transmitting, to the one or more receiver nodes, using another antenna port and the same carrier frequency, a delayed version of the reference signal sequence. The delay is non-zero and less than a symbol duration of the communication system.
    Type: Application
    Filed: March 2, 2021
    Publication date: April 27, 2023
    Inventors: Olof ZANDER, Erik BENGTSSON, Fredrik RUSEK, Kun ZHAO, Jose FLORDELIS
  • Patent number: 11638256
    Abstract: A method for operating an access node for transmission of radio signals in a plurality of beams of a beam sweep, includes: transmitting a first radio signal using a first polarization in a first beam having a first beam direction, and transmitting a second radio signal using a second polarization, which is different from the first polarization, in a second beam in said first beam direction, wherein the transmission of the first radio signal is linked to the transmission of the second radio signal in accordance with a predetermined rule. By means of such a link, a communication device may determine, based on the predetermined rule, that the first and second beams have a common directionality, but are configured for transmission with different, preferably orthogonal, polarization.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: April 25, 2023
    Assignee: Sony Group Corporation
    Inventors: Olof Zander, Fredrik Rusek, Erik Bengtsson
  • Patent number: 11626911
    Abstract: A method of operating a device (101, 102) includes selecting between a first operational mode (8098) and a second operational mode (8099) for a wireless link (111) established between a terminal (102) and a base station (101) of the network; in response to selecting the first operational mode (8098): determining first values for antenna weights from a plurality of predefined candidate values; and in response to selecting the second operational mode (8099): determining second values for the antenna weights based on a calculation using a receive property of pilot signals (4021) communicated between the terminal (102) and the base station (101) as an input.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: April 11, 2023
    Assignee: Sony Group Corporation
    Inventors: Erik Bengtsson, Olof Zander
  • Publication number: 20230104494
    Abstract: A method of operating a transmitter node (101) configured to communicate with one or more receiver nodes (102-104) using a re-configurable reflective device, RRD (109), is provided. The RRD (109) is re-configurable to provide multiple spatial filters, each one of the multiple spatial filters being associated with a respective spatial direction (351-353) into which incident signals are selectively reflected by the RRD (109). The method includes repeatedly transmitting reference signals (198) towards the RRD (109) at one or more transmit periods (551-554).
    Type: Application
    Filed: March 29, 2021
    Publication date: April 6, 2023
    Inventors: Jose FLORDELIS, Erik BENGTSSON, Olof ZANDER, Kun ZHAO, Fredrik RUSEK