Patents by Inventor Mikael Wittberg
Mikael Wittberg 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: 20240056251Abstract: A method performed by a network node for allocating reference signals to a set of sector carriers provided by the network node for a communication with a UE in a radio network is provided. The network node allocates reference signals to each respective sector carrier, by for each respective sector carrier, allocating a reference signal to the sector carrier, and a parameter representing the sector carrier. The network node transmits the reference signal in each respective sector carrier and evaluates a neighboring relationship between the sector carriers, to identify if two neighboring sector carriers within the one or more cells are allocated the same reference signal. When identified that two neighboring sector carriers are allocated the same reference signal within one or more cells comprising the sector carriers, the network node re-allocates at least one of the two neighboring sector carriers with another available reference signal.Type: ApplicationFiled: December 22, 2020Publication date: February 15, 2024Inventors: Mikael Wittberg, Ying Sun, Yufeng Zhao
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Publication number: 20220417789Abstract: A method performed by a user device having a multiple connectivity configuration with a plurality of radio links to a plurality of network nodes in a radio communication network is provided. The user device can determine a change occurred in an amount of uplink data available for transmission in a first uplink buffer of the user device on a first radio link of a plurality of radio link to first network node. Responsive to the change, the user device can trigger a buffer status report for transmission to a second network node of the plurality of network nodes on a second radio link of the plurality of radio links for which a change in an amount of uplink data available for transmission in a second uplink buffer was not determined. A method performed by the first network node is also provided.Type: ApplicationFiled: October 23, 2019Publication date: December 29, 2022Inventors: Mikael WITTBERG, Akram BIN SEDIQ, Gary BOUDREAU, Martin SKARVE
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Patent number: 11477845Abstract: Embodiments include methods for handling data units in a communication protocol layer (e.g., PDCP) of a network node for a wireless communications network. Such methods include receiving, from a lower protocol layer, one or more first data units with corresponding first sequence numbers. Such methods include, upon expiration of a first timer, forwarding the first data units to a higher protocol layer without receiving one or more second data units, from the lower protocol layer, with corresponding second sequence numbers that are lower than the first sequence numbers. Such methods include forwarding, to the higher protocol layer, any of the second data units that were received from the lower protocol layer during a second time period after expiration of the first timer. Other embodiments include network nodes (e.g., base stations, UEs) configured to perform such methods, as well as computer-readable media containing instructions that embody such methods.Type: GrantFiled: June 22, 2020Date of Patent: October 18, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Mikael Wittberg, Gunnar Bergquist, Hans Hannu, Ingemar Johansson, Anders Jonsson
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Publication number: 20220271883Abstract: A method and network node for dual connectivity for a wireless device are disclosed. According to one aspect, a method in a network node is provided for use in a dual connectivity mode to communicate with wireless devices (WDs), according to a first radio access technology (RAT), and to communicate with WDs according to a second RAT is provided. The method includes scheduling uplink and downlink signals to be transmitted and received by a first set of WDs such that the first set of WDs are operable to: receive downlink signals and transmit uplink (UL) signals using the first RAT only in even Transmission Time Intervals (TTIs) of the first RAT; and transmit uplink signals using the second RAT only in in UL TTIs of the second RAT that do not collide with even TTIs of the first RAT.Type: ApplicationFiled: July 26, 2019Publication date: August 25, 2022Inventors: Akram BIN SEDIQ, Mikael WITTBERG, Zhiming YIN
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Publication number: 20220264473Abstract: Mechanisms are provided for uplink power control of a terminal device. A method is performed in a network serving the terminal device. The method comprises estimating average total uplink transmit power for the terminal device. The method comprises determining a dynamic power threshold from the average total uplink transmit power according to a back-off power control loop. In the back-off power control loop, a setpoint value of total average transmission power is compared with a value of the estimated average total uplink transmit power. The method comprises setting a value of a power regulating parameter as function of the dynamic power threshold. The method comprises providing the value of the power regulating parameter to the terminal device for uplink power control of the terminal device.Type: ApplicationFiled: June 10, 2019Publication date: August 18, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Torbjörn WIGREN, Petter BLOMBERG, Christer TÖRNEVIK, Mikael WITTBERG
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Publication number: 20220247656Abstract: Embodiments herein may relate to a method performed by a UE for handling communication in a wireless communication network. The UE transmits an indication to a radio network node, indicating a type of data traffic for communication of the UE, wherein the type is related to a level of performance.Type: ApplicationFiled: July 2, 2020Publication date: August 4, 2022Inventors: Tao Cui, Mikael Wittberg, Martin van der Zee, Ali Nader, Petter Blomberg
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Publication number: 20220182883Abstract: According to some embodiments, a method performed by a network node for flow control between a node hosting a packet data convergence protocol (PDCP) entity and a corresponding node comprises: receiving a flow control parameter at the node hosting the PDCP entity from the corresponding node; determining an accuracy of the received flow control parameter; adjusting the value of the received flow control parameter based on the determined accuracy; and transmitting data from the node hosting the PDCP entity to the corresponding node using the adjusted flow control parameter.Type: ApplicationFiled: March 25, 2020Publication date: June 9, 2022Inventors: Anders Jonsson, Martin Skarve, Mikael Wittberg
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Publication number: 20220167369Abstract: A method, system and network node are disclosed. A network node for communication with a wireless device that is configured for uplink transmission on a first carrier using a first Radio Access Technology, RAT, and on a second carrier using a second RAT is provided. The network node includes processing circuitry configured to determine whether to schedule the wireless device for uplink and whether to schedule the wireless device for uplink and downlink communications, in a transmission time interval, TTI, according to the first RAT based at least in part on an intermodulation distortion quantity associated with uplink communications according to both the first RAT and the second RAT, and optionally schedule the wireless device according to the determination.Type: ApplicationFiled: May 6, 2019Publication date: May 26, 2022Inventors: Akram BIN SEDIQ, Mikael WITTBERG, Petter BLOMBERG, Martin SKARVE, Hatem ABOU-ZEID
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Patent number: 11317317Abstract: One aspect of the disclosure provides a method for a terminal device in a wireless communications network, wherein the terminal device is configurable with a plurality of logical channel groups. The method comprises generating buffer status information and transmitting a message to a network node operative in the wireless communications network. The message comprises a buffer status report comprising the buffer status information. The buffer status report comprises respective indications, for each of the plurality of logical channel groups, of the availability of data to transmit in the terminal device for the logical channel group. The buffer status report further comprises respective buffer size fields, for one or more of the logical channel groups for which data is available to transmit, indicating an amount of data which is available to transmit.Type: GrantFiled: June 14, 2018Date of Patent: April 26, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gunnar Bergquist, Björn Hofström, Mikael Wittberg
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Patent number: 11239955Abstract: A radio device (110) and/or network node (105) support multiple HARQ processes. In particular, responsive to the radio device (110) receiving a resource grant for a first HARQ process, the radio device (110) starts or restarts a timer that configures the radio device (110) to monitor for a resource grant of a second HARQ process. Additionally or alternatively, the network node (105) transmits a resource grant for a first HARQ process and a resource grant for a second HARQ process to the same radio device (110).Type: GrantFiled: January 29, 2018Date of Patent: February 1, 2022Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Andreas Höglund, Olof Liberg, Yuhang Liu, Oscar Ohlsson, Béla Rathonyi, Mikael Wittberg
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Publication number: 20210360475Abstract: A method for transmission control in a multi-connectivity communication system comprises obtaining (S1) of an indication of decreased data rate through a first transmitting node of a multi-connectivity communication system. At least a subset of packets, originally scheduled for, and buffered in, the first transmitting node is rescheduled (S2) to at least one second transmitting node, different from the first transmitting node, of the multi-connectivity communication system, in response to the obtaining of the indication. A network node for transmission control is also disclosed.Type: ApplicationFiled: October 23, 2018Publication date: November 18, 2021Inventors: Mikael Wittberg, Torbjörn Wigren, Martin Skarve
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Patent number: 11129055Abstract: The proposed technology generally relates to a method for controlling multi-point data transmission between a primary node (100) and a User Equipment, UE, via secondary nodes (101, 102). The method comprises the steps of obtaining (S1) Round-Trip Time, RTT, values (TRTT,backhaul,i) between a primary node (100) and two or more secondary nodes (101, 102). The method further comprises determining (S2) a time value relationship (?i) between uplink and downlink for each of the obtained RTT values; determining (S3) a first queue dwell time (Tref,queue,1) in a first secondary node (101) of the two or more secondary nodes (101, 102); and determining (S4) a second queue dwell time (Tref,queue,2) in a second secondary node (102) of the two or more secondary nodes (101, 102), the second queue dwell time (Tref,queue,2) being determined at least partly based on the RTT values (TRTT,backhaul,i), the time value relationship (?i) and the determined first queue dwell time (Tref,queue,1).Type: GrantFiled: December 12, 2017Date of Patent: September 21, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Torbjörn Wigren, Martin Skarve, Mikael Wittberg
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Publication number: 20210226755Abstract: Embodiments herein relate to a method performed by a transmitting device (120) for handling communication in a wireless communications network, wherein the transmitting device (120) comprises at least two radio link control, RLC, entities and is configured with a split bearer to a receiving device (100). The transmitting device (120) identifies that a last transmitted protocol data unit, PDU, of one of the at least two RLC entities, is lacking a poll indicator requesting a status of one or more transmitted PDUs. When identifying that the last transmitted PDU lacks the poll indicator, the transmitting device transmits to the receiving device (100), a PDU comprising a poll indicator.Type: ApplicationFiled: April 8, 2021Publication date: July 22, 2021Inventors: Martin Skarve, Torsten Dudda, Torbjörn Örtengren, Samir Shah, Mikael Wittberg
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Publication number: 20210184802Abstract: A radio device (110) and/or network node (105) support multiple HARQ processes. In particular, responsive to the radio device (110) receiving a resource grant for a first HARQ process, the radio device (110) starts or restarts a timer that configures the radio device (110) to monitor for a resource grant of a second HARQ process. Additionally or alternatively, the network node (105) transmits a resource grant for a first HARQ process and a resource grant for a second HARQ process to the same radio device (110).Type: ApplicationFiled: January 29, 2018Publication date: June 17, 2021Inventors: Andreas Höglund, Olof Liberg, Yuhang Liu, Oscar Ohlsson, Béla Rathonyi, Mikael Wittberg
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Patent number: 11039328Abstract: Methods and devices for monitoring a radio link control, RLC, communication path for transmitting/receiving data units, DUs are disclosed. The methods/devices including or triggering determining a decline of the RLC communication path based on a timer for one or more unacknowledged/outstanding DUs transmitted/received on the RLC communication path.Type: GrantFiled: December 13, 2019Date of Patent: June 15, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gunnar Bergquist, Anders Jonsson, Samir Shah, Mikael Wittberg
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Patent number: 10979197Abstract: Embodiments herein relate to a method performed by a transmitting device (120) for handling communication in a wireless communications network, wherein the transmitting device (120) comprises at least two radio link control, RLC, entities and is configured with a split bearer to a receiving device (100). The transmitting device (120) identifies that a last transmitted protocol data unit, PDU, of one of the at least two RLC entities, is lacking a poll indicator requesting a status of one or more transmitted PDUs. When identifying that the last transmitted PDU lacks the poll indicator, the transmitting device transmits to the receiving device (100), a PDU comprising a poll indicator.Type: GrantFiled: February 1, 2019Date of Patent: April 13, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Martin Skarve, Torsten Dudda, Torbjörn Örtengren, Samir Shah, Mikael Wittberg
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Publication number: 20210076262Abstract: The proposed technology generally relates to a method for controlling multi-point data transmission between a primary node (100) and a User Equipment, UE, via secondary nodes (101, 102). The method comprises the steps of obtaining (S1) Round-Trip Time, RTT, values (TRTT,backhaul,i) between a primary node (100) and two or more secondary nodes (101, 102). The method further comprises determining (S2) a time value relationship (?i) between uplink and downlink for each of the obtained RTT values; determining (S3) a first queue dwell time (Tref,queue,1) in a first secondary node (101) of the two or more secondary nodes (101, 102); and determining (S4) a second queue dwell time (Tref,queue,2) in a second secondary node (102) of the two or more secondary nodes (101, 102), the second queue dwell time (Tref,queue,2) being determined at least partly based on the RTT values (TRTT,backhaul,i), the time value relationship (?i) and the determined first queue dwell time (Tref,queue,1).Type: ApplicationFiled: December 12, 2017Publication date: March 11, 2021Inventors: Torbjörn Wigren, Martin Skarve, Mikael Wittberg
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Patent number: 10897760Abstract: In one aspect, a wireless device receives, from a wireless network node, two or more semi-persistent scheduling, SPS, configurations, each of the SPS configurations defining a plurality of periodic transmission opportunities for the wireless device, at least two of the two or more SPS configurations having different periods for the periodic transmission opportunities. The wireless device then transmits data corresponding to a first traffic type or a first radio bearer according to a first one of the two or more SPS configurations and transmitting data corresponding to a second traffic type or a second radio bearer according to a second one of the two or more SPS configurations.Type: GrantFiled: February 3, 2017Date of Patent: January 19, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefano Sorrentino, Marco Belleschi, Mikael Wittberg
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Publication number: 20200412484Abstract: In one aspect, one or more network nodes configured control the use of data duplication (DD) for a UE simultaneously served by two or more distributed transmission units (DUs) receive from one or more of the DUs, feedback information. The one or more network nodes determine, based on the feedback information, whether to activate DD for transmissions to the UE.Type: ApplicationFiled: September 14, 2020Publication date: December 31, 2020Inventors: Anders Jonsson, Angelo Centonza, Matteo Fiorani, Martin Skarve, Mikael Wittberg
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Publication number: 20200351983Abstract: Embodiments include methods for handling data units in a communication protocol layer (e.g., PDCP) of a network node for a wireless communications network. Such methods include receiving, from a lower protocol layer, one or more first data units with corresponding first sequence numbers. Such methods include, upon expiration of a first timer, forwarding the first data units to a higher protocol layer without receiving one or more second data units, from the lower protocol layer, with corresponding second sequence numbers that are lower than the first sequence numbers. Such methods include forwarding, to the higher protocol layer, any of the second data units that were received from the lower protocol layer during a second time period after expiration of the first timer. Other embodiments include network nodes (e.g., base stations, UEs) configured to perform such methods, as well as computer-readable media containing instructions that embody such methods.Type: ApplicationFiled: June 22, 2020Publication date: November 5, 2020Inventors: Mikael Wittberg, Gunnar Bergquist, Hans Hannu, Ingemar Johansson, Anders Jonsson