Patents by Inventor Emma Wittenmark
Emma Wittenmark 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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Patent number: 11950157Abstract: Methods, nodes and computer program products control radio channel deployment when using un-licensed carriers in a wireless communication network and control mobility and/or load balancing target selection when using un-licensed carriers. When performed in an access node, unlicensed carrier intrinsic cell channel load is determined in a cell served by the access node based on one or more predetermined channel load indicators and neighbor cell channel load information is obtained, from one or more neighboring access nodes. The neighbor cell channel load information includes unlicensed carrier channel load in respective cells based on the one or more predetermined channel load indicators. At least one channel deployment operation is initiated based on an outcome of one or more comparative operations including the determined unlicensed carrier intrinsic cell channel load and/or the obtained neighbor cell channel load information.Type: GrantFiled: January 30, 2018Date of Patent: April 2, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Chunhui Zhang, Peter Alriksson, Tomas Hedberg, Yusheng Liu, Mai-Anh Phan, David Sugirtharaj, Emma Wittenmark
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Publication number: 20240080900Abstract: A method, system and apparatus are disclosed. According to some embodiments, a wireless device is provided. The wireless device includes processing circuitry configured to and/or that operates to: select at least one slot from a plurality of slots that correspond to a first subcarrier spacing, SCS, greater than 120 kHz where each of the at least one slot includes at least physical random access channel, PRACH, occasion, and cause PRACH signaling based on the at least one slot.Type: ApplicationFiled: January 17, 2022Publication date: March 7, 2024Inventors: Johan AXNÄS, Stephen GRANT, Peter ALRIKSSON, Emma WITTENMARK
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Publication number: 20240064669Abstract: Embodiments include methods implemented in a wireless device for reporting of a cell global identifier (CGI) in a wireless network. In one embodiment, a method comprises receiving a synchronization signal/physical broadcast channel (SS/PBCH) block from a network node; locating a control resource set (CORESET) configured by the network node through determining a frequency position of the CORESET based on a value received from the network node through radio resource control signaling; and determining and reporting the CGI to the network node based on the located CORESET. In another embodiment, the CORESET is located through testing a set of one or more reference frequency candidates from which a frequency position of the CORESET is determined.Type: ApplicationFiled: October 6, 2020Publication date: February 22, 2024Inventors: Stephen Grant, Peter Alriksson, Emma Wittenmark
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Publication number: 20240007206Abstract: A method of measuring a received signal strength by a radio device in a radio access network, RAN, is provided. The radio device obtains a radio resource information indicative of a spatial domain of a radio resource for measuring the received signal strength. The spatial domain of the radio resource corresponds to a combination of antenna elements in the radio device according to a spatial domain filter. The radio device measures the received signal strength on the radio resource in the spatial domain according to the obtained radio resource information. The radio device transmits a report to the RAN, the report being indicative of the received signal strength. The received signal strength includes a received signal strength indicator, RSSI.Type: ApplicationFiled: October 21, 2021Publication date: January 4, 2024Inventors: Peter ALRIKSSON, Emma WITTENMARK, Stephen GRANT, Havish Koorapaty, Reem KARAKI
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Publication number: 20230397053Abstract: A method is disclosed for a radio access network control node operating in a communication network having an associated user device, wherein the user device has an ongoing application service session with an application server via the communication network. The method includes detecting that a trigger condition is met for the user device, the trigger condition indicating an upcoming communication interruption in relation to the application service session. The method also includes causing implementation of a temporary transmission rate adjustment of the application service session, wherein the temporary transmission rate adjustment provides a radio access channel margin accommodating the upcoming communication interruption. In some embodiments, causing implementation of the temporary transmission rate adjustment includes transmitting an adjustment command to the user device and/or the application server. Corresponding methods for a user device and an application server are also disclosed.Type: ApplicationFiled: November 3, 2020Publication date: December 7, 2023Inventors: Henrik RONKAINEN, Torbjörn SÖLVE, Emma WITTENMARK, Johan STRAND, Christer ÖSTBERG, Kjell GUSTAFSSON
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Publication number: 20230337096Abstract: A network-based method allows a network to optimize its control of radio resource usage by directing connected and idle mode User Equipment (UEs) (10) to another network node, e.g. a neighbor cell, having a better duty cycle, or by configuring the UEs to use another frequency band served by the same network node or a different network node. Signaling its duty cycle budget to the UEs allows the UEs to optimize their idle mode operation by performing cell re-selection to a network node which has a better duty cycle budget.Type: ApplicationFiled: June 26, 2023Publication date: October 19, 2023Inventors: Olof Liberg, David Sugirtharaj, Emma Wittenmark, Mai-Anh Phan
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Publication number: 20230319807Abstract: There is disclosed a method of operating a receiving radio node in a wireless communication network, the method comprising receiving signaling on an initial bandwidth part (IBWP) utilising a subcarrier spacing, the subcarrier spacing being based on at least one of a signaling characteristic of received synchronisation signaling and/or information carried in received synchronisation signaling. The disclosure also pertains to related devices and methods.Type: ApplicationFiled: June 8, 2023Publication date: October 5, 2023Inventors: Peter ALRIKSSON, Emma WITTENMARK, Stephen GRANT
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Publication number: 20230275842Abstract: A method for accommodation of latency variation in a communication network is disclosed. The method comprises identifying that a service is currently associated with a user device associated with the communication network, wherein a deviation between a latency requirement of the service and an internal latency performance of the communication network is bounded, predicting an upcoming reduction of communication network throughput for the user device, and providing a rate adaptor associated with the service with a feedback indication in response to predicting the reduction of communication network throughput, wherein the feedback indication is for rate reduction of the service. In some embodiments, the prediction and provision are performed only for user devices associated with services with bounded deviation between the latency requirement of the service and the internal latency performance of the communication network.Type: ApplicationFiled: July 1, 2020Publication date: August 31, 2023Inventors: Christer ÖSTBERG, Emma WITTENMARK, Johan STRAND, Kjell GUSTAFSSON, Torbjörn SÖLVE, Henrik RONKAINEN
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Publication number: 20230269193Abstract: A method for latency control in a communication network is disclosed. The method comprises identifying that a service is currently associated with a user device associated with the communication network, wherein a deviation between a latency requirement of the service and an internal latency performance of the communication network is bounded, and dynamically adjusting a configuration of the communication network for the service. In some embodiments, the dynamic adjustment is performed only for user devices associated with services with bounded deviation between the latency requirement of the service and the internal latency performance of the communication network. In some embodiments, dynamically adjusting the configuration of the communication network comprises controlling the communication network to provide latencies below a maximum latency threshold for the service. In some embodiments, the dynamic adjustment of the configuration of the communication network is based on the current traffic load.Type: ApplicationFiled: July 1, 2020Publication date: August 24, 2023Inventors: Emma WITTENMARK, Christer ÖSTBERG, Henrik RONKAINEN, Johan STRAND, Torbjörn SÖLVE, Kjell GUSTAFSSON
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Publication number: 20230262472Abstract: According to certain embodiments, a method performed by a wireless device comprises determining a quasi-co location (QCL) relation parameter associated with Frequency Range 2 (FR2). The QCL relation parameter associated with FR2 is determined based on a subCarrierSpacingCommon field of a master information block for FR2 received in signaling from a network node. The method further comprises using the QCL relation parameter associated with FR2 when performing an operation of the wireless device for FR2.Type: ApplicationFiled: April 6, 2022Publication date: August 17, 2023Inventors: Stephen Grant, Peter Alriksson, Emma Wittenmark
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Patent number: 11723005Abstract: There is disclosed a method of operating a receiving radio node in a wireless communication network, the method comprising receiving signaling on an initial bandwidth part (IBWP) utilising a subcarrier spacing, the subcarrier spacing being based on at least one of a signaling characteristic of received synchronisation signaling and/or information carried in received synchronisation signaling. The disclosure also pertains to related devices and methods.Type: GrantFiled: January 15, 2021Date of Patent: August 8, 2023Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Peter Alriksson, Emma Wittenmark, Stephen Grant
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Publication number: 20230247500Abstract: A method for latency control in a communication network is disclosed. The method includes identifying that a service is currently associated with a user device associated with the communication network, wherein a deviation between a latency requirement of the service and an internal latency performance of the communication network is bounded, and dynamically adjusting one or more handover criteria for the user device associated with the service. In some embodiments, the dynamic adjustment is performed only for user devices associated with services with bounded deviation between the latency requirement of the service and the internal latency performance of the communication network.Type: ApplicationFiled: July 1, 2020Publication date: August 3, 2023Inventors: Christer ÖSTBERG, Emma WITTENMARK, Henrik RONKAINEN, Johan STRAND, Kjell GUSTAFSSON, Torbjörn SÖLVE
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Patent number: 11716662Abstract: A network-based method allows a network to optimize its control of radio resource usage by directing connected and idle mode User Equipment (UEs) (10) to another network node, e.g. a neighbor cell, having a better duty cycle, or by configuring the UEs to use another frequency band served by the same network node or a different network node. Signaling its duty cycle budget to the UEs allows the UEs to optimize their idle mode operation by performing cell re-selection to a network node which has a better duty cycle budget.Type: GrantFiled: September 19, 2019Date of Patent: August 1, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Olof Liberg, David Sugirtharaj, Emma Wittenmark, Mai-Anh Phan
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Patent number: 11706673Abstract: A method performed by a wireless communication device for reducing handover delay, wherein the wireless communication device is arranged to operate in a cellular communication system and to operate in a cell using unlicensed spectrum. The method includes receiving a downlink, DL, signal from network node operating a neighbouring cell operating in the unlicensed spectrum, wherein the DL signal includes a discovery reference signal, DRS, subframe, storing data associated with the DRS subframe, receiving a handover command from a network node operating a serving cell where the neighbouring cell is a target cell, and performing a random access procedure for handover to the target cell. A device performing the method and a computer program for implementing the method are also disclosed.Type: GrantFiled: December 1, 2021Date of Patent: July 18, 2023Assignee: Telefonsktiebolaget LM Ericsson (Dubl)Inventors: Chunhui Zhang, Peter Alriksson, Yusheng Liu, Mai-Anh Phan, David Sugirtharaj, Emma Wittenmark
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Patent number: 11621889Abstract: Embodiments include methods for channel reconfiguration by a network node in a communications network. Such methods include obtaining received signal strength indicator (RSSI) measurements from wireless devices served by the network node at a current channel in a current frequency interval within a current frequency band. the RSSI measurements trigger perform channel reconfiguration to select a new channel for serving the wireless device. the new channel is the current frequency interval in the current frequency band, a new frequency interval in the current frequency band, or a new frequency interval in a new frequency band. The new channel is selected based on RSSI measurements are performed by the network node on one or more of the following: the current channel in the current frequency interval, a different channel in the current frequency interval, or a different channel in the new frequency interval.Type: GrantFiled: September 28, 2021Date of Patent: April 4, 2023Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Junying Liu, Mats Buchmayer, Fredric Kronestedt, Emma Wittenmark
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Patent number: 11528662Abstract: An eNB and a method for use in a base station (eNB) for configuring a UE to be awake for a longer duration in order to detect eNB transmission after the end of initial Signalling.Type: GrantFiled: March 23, 2018Date of Patent: December 13, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yusheng Liu, Oskar Drugge, David Sugirtharaj, Emma Wittenmark
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Publication number: 20220345269Abstract: Synchronization signal and Physical Broadcast Channel, SS/PBCH, block management. A network node determines whether a network condition is met, signals to a communication terminal to apply a first detection method for SS/PBCH block detection when the network condition is determined to be met, signals to the communication terminal to apply a second detection method for SS/PBCH block detection when the network condition is determined as not met, and transmits SS/PBCH blocks according to the first or the second SS/PBCH block detection method, based on whether the network condition is met. The communication terminal receives the signalling from the network node associated with the communication network, determines whether the indicated SS/PBCH block detection method is a first or a second SS/PBCH block detection method based on the received signalling, and applies, based on the determination, the first or the second SS/PBCH block detection method for SS/PBCH block detection.Type: ApplicationFiled: September 23, 2020Publication date: October 27, 2022Inventors: Peter ALRIKSSON, Emma WITTENMARK, Stephen GRANT
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Publication number: 20220304004Abstract: A multi-user multiple-input multiple-output (MU-MIMO) scheduling method is disclosed for scheduling transmission from a plurality of transmission instances to a plurality of receivers. The method comprises acquiring, for each pair of a transmission instance and a receiver, a communication quality metric and forming a first group of receivers from the plurality of receivers. The first group of receivers is formed by selecting a first receiver as a first group member and associating a first transmission instance to the first receiver and—when a plurality of communication quality metrics of the first transmission instance and not yet selected receivers fulfill a first criterion for sufficient communication quality—selecting a second receiver from the not yet selected receivers as a second group member and associating a second transmission instance to the second receiver.Type: ApplicationFiled: December 4, 2019Publication date: September 22, 2022Inventors: Andres Reial, Oskar Drugge, Emma Wittenmark
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Publication number: 20220231751Abstract: There is disclosed a method of operating a transmitting radio node in a wireless communication network, the method comprising transmitting reference signaling to a receiving radio node, and/or receiving reference signaling from a receiving radio node, based on a beam switching time indication pertaining to the receiving radio node. The disclosure also pertains to related devices and methods.Type: ApplicationFiled: January 15, 2021Publication date: July 21, 2022Inventors: Stephen GRANT, Emma WITTENMARK, Peter ALRIKSSON
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Publication number: 20220232567Abstract: There is disclosed a method of operating a receiving radio node in a wireless communication network, the method comprising receiving signaling on an initial bandwidth part (IBWP) utilising a subcarrier spacing, the subcarrier spacing being based on at least one of a signaling characteristic of received synchronisation signaling and/or information carried in received synchronisation signaling. The disclosure also pertains to related devices and methods.Type: ApplicationFiled: January 15, 2021Publication date: July 21, 2022Inventors: Peter ALRIKSSON, Emma WITTENMARK, Stephen GRANT