Patents by Inventor Torsten Dudda

Torsten Dudda 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).

  • METHODS FOR DATA DROPPING FOR TIME-CRITICAL COMMUNICATION DURING HANDOVER
    Publication number: 20260164303
    Abstract: According to one aspect, a source network node configured to communicate with a wireless device (WD) and a target network node is described. The source network node is configured to obtain timing information associated with a Packet Data Convergence Protocol (PDCP) resource. The PDCP resource corresponds to a packet scheduled for downlink transmission from the source network node or uplink transmission from the WD. The source network node is further configured to transmit the timing information associated with the PDCP resource to the target network node for the target network node to determine, after a handover request has been transmitted by the source network node, whether to discard or cause the WD to discard the PDCP resource or the packet based on the timing information.
    Type: Application
    Filed: October 31, 2023
    Publication date: June 11, 2026
    Inventors: Zhenhua ZOU, Torsten DUDDA, Nianshan SHI
  • HANDLING OVERLAPPING OF MULTIPLE PHYSICAL UPLINK SHARED CHANNELS (PUSCHs)
    Publication number: 20260164456
    Abstract: Handling overlapping of multiple physical uplink shared channels (a combination of one or more PUSCHs and PUCCHs) is disclosed herein. In one embodiment, a method performed by a wireless device for handling an overlapping group of transmissions with differing transmission priorities comprises determining that at least one grant-specific uplink (UL) resource of multiple grant-specific UL resources overlaps with two other grant-specific UL resources of the plurality of grant-specific UL resources. The method further comprises dividing overlapping grant-specific UL resources of the multiple grant-specific UL resources into a plurality of groups such that each group of the plurality of groups only contains grant-specific UL resources that are non-overlapping. The method also comprises identifying, from the plurality of groups, a group that contains a grant-specific UL resource having a highest transmission priority.
    Type: Application
    Filed: October 2, 2025
    Publication date: June 11, 2026
    Inventors: Abdulrahman Alabbasi, Torsten Dudda, Zhenhua Zou, John Walter Diachina
  • Radio communication technique for handling idle times
    Patent number: 12648020
    Abstract: A technique for using radio resources in fixed frame periods, FFPs, (500) on a channel for radio communication in a radio network comprising a first node (100) and a second node (200) is described. Each of the FFPs (500) comprises an idle time, IT, (502) for clear channel assessment, CCA, (506) of the channel and a maximum channel occupancy time, M-COT, (504) for occupying the channel depending on the CCA (506). As to a method aspect of the technique performed by the first node (100), a method (300) comprises the step of selectively monitoring (302) the radio resources in the FFPs (500) on the channel. The selective monitoring (302) comprises refraining from monitoring a first set (602) of the radio resources, which is allocated to a first message of the second node (200) and which is partially or completely in the IT (502). Alternatively or in addition, the method (300) comprises the step of selectively transmitting (304) on the radio resources in the FFPs (500) on the channel.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: June 2, 2026
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Bikramjit Singh, Torsten Dudda, Reem Karaki
  • Time-sensitive network (TSN) distribution information during handover
    Patent number: 12634774
    Abstract: Embodiments include methods performed by a source node for handover of a user equipment (UE) from a source cell served by the source node in a wireless network. Such methods include transmitting, in the source cell according to a reference time delivery configuration, one or more messages that include respective reference times in relation to corresponding source cell transmission events. Such methods also include transmitting, to a target node in the wireless network, the reference time delivery configuration in relation to a request to handover the UE from the source cell to a target cell served by the target node. Other embodiments include complementary methods performed by the target node, as well as network nodes configured to perform such methods.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: May 19, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Zhenhua Zou, Nianshan Shi, Torsten Dudda
  • Logical channel prioritization within configured grants
    Patent number: 12627418
    Abstract: Embodiments include methods for a user equipment (UE) configured to operate in a radio access network (RAN). Such methods include obtaining data for transmission during a particular one of a plurality of periodic occasions during which the UE has been granted resources for uplink data transmission. The data includes first and second protocol data units (PDUs) associated with respective first and second hybrid ARQ (HARQ) processes. At least one of the first and second PDUs is for retransmission after failed transmission during an earlier one of the occasions. Such methods include selecting the first PDU or the second PDU for transmission during the particular occasion based on at least one of the following: priorities of logical channels with data included in the first and second PDUs. and whether one or both of the first and second PDUs are for retransmission. Other embodiments include complementary methods for a RAN node.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: May 12, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Torsten Dudda, Zhenhua Zou, Eda Genc
  • Adapting a Mobile Network Based on a Received Radio Link Failure (RLF) Indication
    Publication number: 20260129539
    Abstract: In a method for adapting a mobile network, a terminal is connected to a first access node of the mobile network via a first connection and to a second access node via a second connection. The first access node controls a data transmission for the terminal and the second access node assists in the data transmission for the terminal. The method comprises determining whether a quality of at least one of the first connection and the second connection is degraded, acquiring quality degradation information about the degradation of the quality of at least one of the first connection and the second connection based on the step of determining, and adapting the mobile network based on the step of acquiring.
    Type: Application
    Filed: January 5, 2026
    Publication date: May 7, 2026
    Inventors: Torsten Dudda, Walter Müller, Mattias Bergström, Stefan Wager, Zhiyi Xuan
  • Logical channel prioritization in unlicensed spectrum
    Patent number: 12592794
    Abstract: A wireless device is configured with a first configured grant associated with a first hybrid automatic repeat request (HARQ) pool and a second configured grant associated with a second HARQ pool. The first HARQ pool at least partially overlaps with the second HARQ pool, and the second configured grant partially overlaps with the first configured grant. For the first configured grant, the wireless device selects a first HARQ process from the first HARQ pool. For the second configured grant, the wireless device selects a second HARQ process from the second HARQ pool. The first HARQ process selected for the first configured grant is different than the second HARQ process selected for the second configured grant. The wireless device performs uplink transmission or retransmission for the first configured grant or the second configured grant.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: March 31, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (PUBL)
    Inventors: Torsten Dudda, Zhenhua Zou
  • Dual active protocol stack (DAPS) handover during URLLC packet duplication
    Patent number: 12588105
    Abstract: Techniques for inter base station handovers are provided for the case where a wireless device is operating in a PDCP packet duplication mode. The handover techniques enable the wireless device to transition from PDCP packet duplication with the source cell to DAPS and to transition back to PDCP packet duplication with the target cell when the handover is complete. In some embodiments, the RLC entities established with the source cell are preserved during the inter base station handover. The handover techniques ensure that QoS requirements for URLLC can be met during the inter base station handover.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: March 24, 2026
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Torsten Dudda, Pontus Wallentin, Roman Zhohov
  • Selectively enabling PDCP duplication for survival time
    Patent number: 12581355
    Abstract: At least one Packet Data Convergence Protocol (PDCP) packet duplication leg is configured with a logical channel prioritization (LCP) restriction, restricting a logical channel in the duplication leg to which transmission resources are intentionally not available. Stale packets, (not transmitted due to a lack of resources) are discarded, so the current packet is always at the top of the queue. PDCP duplication can then be activated quickly when needed, such as in survival time mode, as it has already been configured, and the current packet is always ready for transmission. The transmission resources can be dynamically allocated by the network by transmitting a DCI command (e.g., the Configured Grant type 2 activation or dynamic grant with a specific PHY-priority-index). Alternatively, the transmission resource can be allocated beforehand, but scarcely, such that it occurs (i.e., is available) every N-th packet, and so there is a duplication for every N-th packet.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: March 17, 2026
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Zhenhua Zou, Torsten Dudda, John Walter Diachina
  • Multiple downlink semi-persistent scheduling configurations for New Radio Internet of Things
    Patent number: 12568493
    Abstract: A method by a wireless device (110) includes receiving a first Downlink Semi-Persistent Scheduling (DL SPS) assignment and a second DL SPS assignment from a network node (160). At least one resource associated with the first DL SPS assignment and at least one resource associated with the second DL SPS assignment are at least partially overlapping. The wireless device compares priority information associated with each of the first DL SPS assignment and the second DL SPS assignment and selects a one of the first DL SPS assignment and the second DL SPS assignment that has a higher priority based on the priority information. The wireless device attempts to decode the Physical Downlink Shared Channel (PDSCH) according to the selected one of the first DL SPS assignment and the second DL SPS assignment that has the higher priority.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: March 3, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (PUBL)
    Inventors: Torsten Dudda, John Walter Diachina, Zhenhua Zou, Henrik Enbuske
  • Multiple Grant Handling in Mixed Services Scenarios
    Publication number: 20260059537
    Abstract: According to certain embodiments, a method performed by a wireless device comprises receiving a first grant and a second grant from a network node. The first grant and the second grant are overlapping. The method comprises determining a prioritized one of the first grant and the second grant and constructing a Medium Access Control (MAC) Protocol Description Unit (PDU) for the prioritized grant of the first grant and the second grant. According to certain embodiments, a method performed by a network node comprises transmitting a first grant and a second grant to a wireless device. The first grant and the second grant are overlapping. The method comprises receiving a transmission from the wireless device on a prioritized one of the first grant and the second grant.
    Type: Application
    Filed: July 7, 2025
    Publication date: February 26, 2026
    Inventors: Abdulrahman ALABBASI, Torsten DUDDA, Zhenhua ZOU, Henrik ENBUSKE, Jose Luis PRADAS
  • Methods and apparatus for utilizing short transmission time intervals in a wireless communications network
    Patent number: 12563568
    Abstract: A terminal device for a wireless communication network is configurable with a plurality of transmission time intervals. An example method comprises: receiving a grant message comprising an indication of radio resources in which the terminal device can transmit one or more wireless messages, the radio resources being configured according to a first transmission time interval of the plurality of transmission time intervals; determining the presence of data to transmit, the data being associated with a logical channel; determining a maximum transmission time interval associated with the logical channel; and, responsive to a determination that the maximum transmission time interval associated with the logical channel is less than the first transmission time interval, transmitting a scheduling request message. The scheduling request message is configured according to a second transmission time interval of the plurality of transmission time intervals, shorter than the first.
    Type: Grant
    Filed: May 7, 2024
    Date of Patent: February 24, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Torsten Dudda, Malik Wahaj Arshad, Henrik Enbuske, Mats Folke, Robert Karlsson, Gustav Wikström
  • Adapting a mobile network
    Patent number: 12543094
    Abstract: In a method for adapting a mobile network, a terminal is connected to a first access node of the mobile network via a first connection and to a second access node via a second connection. The first access node controls a data transmission for the terminal and the second access node assists in the data transmission for the terminal. The method comprises determining whether a quality of at least one of the first connection and the second connection is degraded, acquiring quality degradation information about the degradation of the quality of at least one of the first connection and the second connection based on the step of determining, and adapting the mobile network based on the step of acquiring.
    Type: Grant
    Filed: April 11, 2024
    Date of Patent: February 3, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Torsten Dudda, Walter Müller, Mattias Bergström, Stefan Wager, Zhiyi Xuan
  • Handling overlapping of multiple physical uplink shared channels (PUSCHs)
    Patent number: 12526836
    Abstract: Handling overlapping of multiple physical uplink shared channels (a combination of one or more PUSCHs and PUCCHs) is disclosed herein. In one embodiment, a method performed by a wireless device for handling an overlapping group of transmissions with differing transmission priorities comprises determining that at least one grant-specific uplink (UL) resource of multiple grant-specific UL resources overlaps with two other grant-specific UL resources of the plurality of grant-specific UL resources. The method further comprises dividing overlapping grant-specific UL resources of the multiple grant-specific UL resources into a plurality of groups such that each group of the plurality of groups only contains grant-specific UL resources that are non-overlapping. The method also comprises identifying, from the plurality of groups, a group that contains a grant-specific UL resource having a highest transmission priority.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: January 13, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Abdulrahman Alabbasi, Torsten Dudda, Zhenhua Zou, John Walter Diachina
  • Network node, UE and method for handling handover with parameter for deriving security context
    Patent number: 12526702
    Abstract: A method performed in a User Equipment, UE, for handling handover from a source access node to a target access node is provided. The UE receives (501) a handover command message from the source access node. The handover command message includes parameters required for deriving a security context associated with the target access node. The UE establishes (502) a radio connection with the target access node. When detecting (503) that a security context switching criterion is fulfilled, the UE stops (504) to use a security context associated with the source access node.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: January 13, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (PUBL)
    Inventors: Pontus Wallentin, Torsten Dudda, Claes-Göran Persson, Jens Bergqvist, Johan Rune, Oscar Ohlsson
  • Controlling transmission on a resource subject to a listen-before-talk procedure
    Patent number: 12520180
    Abstract: Wireless communication equipment (18) is configured for use in a wireless communication network (10). As listen-before-talk, LBT, attempts occur over time on a transmission resource (16-1 . . . 16-N), the wireless communication equipment (18) makes updates to a performance rating (22-1 . . . 22-N) for the transmission resource (16-1 . . . 16-N) to reflect an observed likelihood of LBT attempt success or failure on the transmission resource (16-1 . . . 16-N). Responsive to a failed LBT attempt on the transmission resource (16-1 . . . 16-N) occurring unexpectedly according to the performance rating (22-1 . . . 22-N), the wireless communication equipment (18) applies a bias (26-n) to the performance rating (22-1 . . . 22-N) to reflect a greater likelihood of LBT attempt failure, or a smaller likelihood of LBT attempt success, than actually observed on the transmission resource (16-1 . . . 16-N), and relaxes the applied bias (26-n) over time.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: January 6, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Alexandros Palaios, Torsten Dudda, Junaid Ansari, Philipp Geuer, Dhruvin Patel
  • Replication in a wireless communication network
    Patent number: 12470979
    Abstract: A wireless communication device (412) replicates, at a Radio Link Control (RLC) layer of a protocol stack of the wireless communication device (412), an original packet associated to a particular service to provide one or more replicate packets. Each of the one or more replicate packets is a replication of the original packet. For each packet from among a set of packets consisting of the original packet and at least one of the one or more replicate packets, the wireless communication device (412) generates a transport block that comprises the packet and transmits the transport block to one or more base stations or transmission/reception points, TRPs, via a physical layer of the protocol stack of the wireless communication device (412).
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: November 11, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Ying Sun, Torsten Dudda, Yufei Blankenship, Zhenhua Zou, Siva Muruganathan, Helka-Liina Määttänen
  • Industrial automation with 5G and beyond
    Patent number: 12464041
    Abstract: Techniques for enhancing performance in Industrial Internet-of-Things (IIoT) scenarios, including techniques for time-sensitive networking (TSN) and 5G wireless network integration. An example method, performed by a wireless device, comprises receiving system information (SI) from a radio base station (RBS) of a radio access network (RAN), the SI being indicative of support for TSN through the RBS, and establishing at least one TSN stream with an external data network, through the RBS. The example method further includes receiving a first timing signal from the wireless communications network, via the RBS, receiving a second timing signal from the external TSN data network to which the wireless device is connected, comparing the first timing signal to the second timing signal to determine an offset, and transmitting the offset to the wireless communications network.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: November 4, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Joachim Sachs, Abdulrahman Alabbasi, Mattias Andersson, Niklas Andgart, Ola Angelsmark, José Araújo, Muhammad Ikram Ashraf, Kumar Balachandran, Robert Baldemair, Rodrigo Berg, Yufei Blankenship, Fedor Chernogorov, John Walter Diachina, Torsten Dudda, Henrik Enbuske, Sorour Falahati, János Farkas, Jonas Fröberg Olsson, Majid Gerami, Harald Gustafsson, Kimmo Hiltunen, Andreas Höglund, Torgny Holmberg, Zsolt Kenesi, András Kern, Kittipong Kittichokechai, Anna Larmo, Johan Lundsjö, György Miklós, Hubertus Munz, Gabor Nemeth, Johannes Nygren, Johan Olsson, Alexandros Palaios, Dhruvin Patel, Joakim Persson, Per Persson, Jose Luis Pradas, Sándor Rácz, Pradeepa Ramachandra, Norbert Reider, Dinand Roeland, Stefano Ruffini, Patrik Salmela, Sara Sandberg, Magnus Sandgren, Paul Schliwa-Bertling, Alexey Shapin, Nianshan Shi, Bikramjit Singh, Per Skarin, Bernard Smeets, Ying Sun, Dennis Sundman, Fredrik Svensson, Malgorzata Svensson, Geza Szabo, Wolfgang Tonutti, Balázs Varga, Mårten Wahlström, Kun Wang, Yi-Pin Eric Wang, Osman Nuri Can Yilmaz, Zhenhua Zou, Miguel Lopez
  • RADIO NETWORK NODE, USER EQUIPMENT, AND METHODS PERFORMED THEREIN
    Publication number: 20250338168
    Abstract: A method performed by a radio network node for communicating with a user equipment (UE) in a wireless communications network. The method includes receiving a buffer status report (BSR) from the UE, the BSR indicating a current amount of data buffered in an uplink (UL) buffer of the UE for a logical channel or a logical channel group. The method includes determining whether to update an age map for the logical channel of the radio network node by determining a difference between the current amount of data indicated in the BSR message and a sum of data values stored in the age map. The age map is also updated when data is received from the UE in accordance with a UL grant. The BSR may be extended to include both the amount of data in the UL buffer and an age of the oldest data in the UL buffer.
    Type: Application
    Filed: June 3, 2022
    Publication date: October 30, 2025
    Inventors: Henning WIEMANN, Seungtai KIM, Göran RUNE, Torsten DUDDA
  • PDCP UL split and pre-processing
    Patent number: RE50851
    Abstract: According to an aspect, a UE in an uplink split-bearer configuration is configured to transmit PDUs by a first RLC entity via a first uplink transmission path and/or by a second RLC entity via a second uplink transmission path. The UE determines a total amount of data volume from PDCP data volume and RLC data volume pending for initial transmission in the two RLC entities. The UE decides whether submission of PDCP data volume is allowed to either of the two RLC entities or to only the first RLC entity, based on whether the total amount of data volume meets or exceeds a first threshold. The UE also reports the PDCP data volume to both the first and second uplink transmission paths or only the first uplink transmission path, based on whether the total amount of data volume meets or exceeds a first threshold.
    Type: Grant
    Filed: August 20, 2024
    Date of Patent: March 31, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jose Luis Pradas, Torsten Dudda, Henning Wiemann, Henrik Enbuske