Patents Assigned to LM Ericsson (publ)
-
Publication number: 20240013480Abstract: A method for controlling projection of an image in an extended reality device is disclosed. The extended reality device comprising an optical element, a display, and a motion tracker, wherein the optical element and/or the display are mounted movement flexible in the extended reality device. The method comprises obtaining motion information of the extended reality device from the motion tracker; determining a compensating movement of the optical element and/or the display for projection of the image based on the obtained motion information of the extended reality device; and controlling projection of the image by moving the optical element and/or the display based on the determined compensating movement. Corresponding computer program product, apparatus, and extended reality headset are also disclosed.Type: ApplicationFiled: August 28, 2020Publication date: January 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Pex TUFVESSON, Carl DROUGGE, Anders BERKEMAN
-
Publication number: 20240015187Abstract: A lawful interception provisioning function, LIPF (113) and a system information retrieval function, SIRF (114), communicate with each other via the X1 and X2 protocols. The LIPF (113) obtains, from the SIRF (114), information pertaining to a network function, NF(107), which is an instance of a virtual network function, VNF, in a telecommunication 5network (100), where said information is unrelated to any LI target and any task associated with a point of interception, POI (135), in the NF (107).Type: ApplicationFiled: October 28, 2020Publication date: January 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Domenico Raffaele CIONE, Elvira VILLANI, Biagio MAIONE, Dario DE VITO, Daniele GAITO
-
Publication number: 20240014858Abstract: A method by a wireless device includes transmitting at least one radio channel measurement associated with one of a plurality of transmitting and receiving point (TRPs). The wireless device receives information indicating a selection of a first subset of TRPs for use in receiving one or more signals from at least one TRP and/or transmitting one or more signals to at least one TRP. The selection of the first subset of TRPs is based at least in part on the radio channel measurement, and the first subset of the TRPs is less than all of the plurality of TRPs.Type: ApplicationFiled: December 1, 2020Publication date: January 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gunther AUER, Ahsan MAHMOOD, Miguel BERG, Chenguang LU
-
Publication number: 20240015638Abstract: A method performed by a wireless device (130) for handling radio frequency bands. The wireless device (130) operates in a communications network (10). The wireless device (130) sends (203) an indication to a network node (110) operating in the 5 communications network (10). The indication indicates a first radio frequency band the wireless device (130) is configured with to scan for discovery and selection of a cell operating in the communications network (10). The wireless device (130) then receives (204) another indication from the network node (110). The another indication comprises a first instruction to configure the wireless device (130) to use a second radio frequency 10 band to scan for cell discovery and selection. The sending (203) and the receiving (204) are performed using an internet protocol.Type: ApplicationFiled: December 17, 2019Publication date: January 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventor: Jaime JIMÉNEZ
-
Publication number: 20240015674Abstract: A method for synchronization in a wireless system. In the method, a physical broadcast channel (PBCH) includes one or more bits, wherein the one or more bits indicate additional system information when a frequency of the wireless system is within a frequency range up to a predefined frequency and indicate a location of a slot group in a synchronization signal burst set when the frequency of the wireless system is above the predefined frequency, and wherein the slot group comprises at least one synchronization signal block and the synchronization signal burst set includes the slot group.Type: ApplicationFiled: September 22, 2023Publication date: January 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Jianfeng WANG, Zhipeng LIN
-
Patent number: 11867735Abstract: A method and transmitter for determining voltage standing wave ratios, VSWR, of an antenna array having multiple subarrays, each subarray having two branches. According to one aspect, a method includes grouping the branches of the 5 antenna array to form a number of groups, each group being formed so that nearest branches in group are separated by at least one branch not in the group. For each group, the method includes combining reflected signals from the branches of the group to produce a first signal YREFL and combining forward signals from the 10 branches of the group to produce a second signal YFWD; calculating a reflected power PREFL and a forward power PFWD and calculating a VSWR for the group based on the reflected power PREFL and the forward power PFWD.Type: GrantFiled: October 15, 2018Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Ahmed Badawy, Marthinus Willem Da Silveira, Harry Hang Zhu
-
Patent number: 11870820Abstract: Automatic preparation of data related to session initiation protocol (SIP) based traffic flows in a lawful interception (LI) scenario is disclosed. The dataset that is obtained may, e.g., be used for machine learning-based (ML) and artificial intelligence (AI) tools that can identify lawfully intercepted SIP-based traffic cases. Such preparation of data reduces the 5 risk of misunderstandings between a communications service provider (CSP) and a law enforcement agency (LEA), which reduces the time dedicated by both parties in understanding the correctness of LI data provided by the CSP to the LEA.Type: GrantFiled: June 10, 2019Date of Patent: January 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Francesca Marfia, Gianluca Avagliano
-
Patent number: 11871472Abstract: A wireless device (14) is configured for use in a wireless communication system (10). The wireless device (14) starts a timer (28) (e.g., T312) when each of multiple conditions (30) have been fulfilled and physical layer problems for a serving cell of the wireless device (14) have been detected. The multiple conditions (30) have been fulfilled when one or more events have been triggered for measurements of multiple different types and/or for measurements on multiple different types of signals. The wireless device (14) may initiate a connection re-establishment procedure, or transitioning to an idle state, at expiry of the timer (28).Type: GrantFiled: September 24, 2019Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Pradeepa Ramachandra, Icaro L. J. Da Silva
-
Patent number: 11871340Abstract: Network nodes and methods for control thereof for dynamic network slice selection. An AMF receives a UE request originating from the UE, the UE request being any one of a registration request and a session request. A network slice requester controls a transmitter to transmit a network slice selection request to a PC_NSS. A selection data manager of the PC_NSS determines selection data specifying one or more UE specific parameters affecting network slice selection. A network slice selector selects a network slice assignable for the UE, based on the selection data, determines network slice data and a corresponding network slice routing rule, and transmits them to the AMF. A network slice manager of the AMF controls assignment of a network slice to the UE in dependence on the received network slice data and network slice routing rule.Type: GrantFiled: May 17, 2022Date of Patent: January 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Fuencisla Garcia Azorero, Susana Fernandez Alonso, Victor Ferraro Esparza, Angel Navas Cornejo, Ignacio Rivas Molina
-
Patent number: 11871396Abstract: Some embodiments of this disclosure provide a method performed by one or more transmission points, TRPs, for communicating with a user equipment, UE. In some embodiments, the method includes: using a first transmit, TX, beam to communicate with the UE; receiving, from the UE, information indicating that the UE has determined that the first TX beam has experienced a beam failure; and after the information is received, using a second TX beam to communicate with the UE.Type: GrantFiled: May 26, 2022Date of Patent: January 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Stephen Grant, Mattias Frenne, Andreas Nilsson, Claes Tidestav
-
Patent number: 11870661Abstract: A method and system for deployment of services for customers. Network service templates (NSTs) are determined, from a permissioned distributed ledger that is distributed between network operator systems of one or more network operators and customer systems. The NSTs include respective descriptions of network characteristics that provide respective logical networks. A subset of the NSTs and a corresponding subset of the network operator systems are selected based on a service description of the first service for deployment of the first service. Instantiation of the subset of the NSTs is requested on the corresponding subset of network operator systems as a subset of network slice instances to form the first service deployed for the first customer.Type: GrantFiled: January 2, 2020Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Athanasios Karapantelakis, Yifei Jin, Ioannis Fikouras, Maxim Teslenko, Lackis Eleftheriadis
-
Patent number: 11870514Abstract: A method of a communication device configured with two or more multi-user coordination modes for communication with a plurality of users is disclosed. The method comprises determining an available spatial selectivity for the plurality of users, and selecting one of the two or more multi-user coordination modes based on the determined available spatial selectivity and a number of users of the plurality. Corresponding apparatus, communication receiver and computer program product are also disclosed.Type: GrantFiled: September 27, 2019Date of Patent: January 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Andres Reial, Krishna Chitti, Zhipeng Lin, Athanasios Stavridis, Robert Mark Harrison
-
Patent number: 11871362Abstract: The invention concerns a method performed by a wireless device, UE, for signalling power headroom, PH to a network node, for a supplementary uplink carrier, SUL carrier, and a New Radio uplink carrier, NRUC, in a cell, the method comprising generating (800) a power headroom report, PHR, for the SUL carrier and the NR uplink carrier, and transmitting (810) the PHR to the network node; the invention further concerns a method performed by a base station for utilizing power headroom information for the SUL carrier, and the NRUC in a cell, the method comprising configuring a UE with at least one power headroom report, PHR, to support power headroom reporting for multiple uplink channels in the cell; the invention further concerns a corresponding wireless device, a base station and computer programs.Type: GrantFiled: November 9, 2018Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Jinhua Liu, Min Wang
-
Patent number: 11870458Abstract: Embodiments herein relate to a method performed by a network node for handling a received signal in a communication network. The network node distributes a first number of inputs of a demodulated signal to a first processing core of at least two processing cores and a second number of inputs of the demodulated signal to a second processing core of the at least two processing cores. The network node further decodes the first number of inputs of the demodulated signal by a first message passing within the first processing core, and decodes the second number of inputs of the demodulated signal by a second message passing within the second processing core. The network node further decodes the demodulated signal by performing a third message passing between the different processing cores over a bus that is performed according to a set schedule.Type: GrantFiled: April 7, 2020Date of Patent: January 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Hugo Tullberg, Guido Carlo Ferrante
-
Patent number: 11870854Abstract: A method of operation of a cellular communications system is disclosed. The method comprises: at a MME: receiving an attach request from a UE; sending a location update request to a HSS; receiving a location update acknowledgement; sending, to a DNS, a DNS query request comprising an APN FQDN; receiving a DNS query response comprising information that indicates candidate PGWs that satisfy the DNS query request and at least two PGWs belonging to a same PGW set; selecting the first PGW; sending, to a SGW, a first create session request that comprises information that indicates the first PGW; receiving a first create session response; sending an attach accept to the UE; and at the SGW: receiving the first create session request from the MME; forwarding the first create session request to the first PGW; receiving the first create session response; and forwarding the first create session response to the MME.Type: GrantFiled: September 20, 2021Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventor: Yong Yang
-
Patent number: 11871332Abstract: A method performed by a network node (160) includes serving a cell area by a first physical network node for a first time duration. The first physical network node uses an identifier of a logical network node. For a second time duration, the cell area is served by a second physical network node. The second physical network node uses the identifier of the logical network node. The first physical network node serves the cell area with a first frequency band and the second physical network node serves the cell area with a second frequency band.Type: GrantFiled: October 14, 2019Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Helka-Liina Määttänen, Henrik Rydén, Xingqin Lin, Yi-Pin Eric Wang, Gino Luca Masini, Stefan Rommer, Björn Hofström, Jonas Sedin
-
Patent number: 11870593Abstract: According to certain embodiments, a method in a wireless device (110) includes transmitting a protocol data unit (PDU) or segment of a PDU on a first link and transmitting the PDU or the segment of the PDU on a second link. One or more retransmissions of the PDU or the segment of the PDU are scheduled on the second link. A positive acknowledgment is received from a receiver. The positive acknowledgement indicates a successful receipt of the PDU or the segment of the PDU on the first link. In response to receiving the positive acknowledgement, the one or more retransmissions of the PDU or the segment of the PDU on the second link are cancelled.Type: GrantFiled: November 30, 2022Date of Patent: January 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Jose Luis Pradas, Torsten Dudda, Caner Kilinc
-
Patent number: 11870732Abstract: A method in a User Equipment (UE) for activation or deactivation of a carrier in a communication network supporting carrier aggregation is provided. The method comprises: receiving a control signal for a transmission of a carrier activation or deactivation message command, the control signal including an indication of a first resource for the UE to transmit a feedback message to a network node; receiving a carrier activation or deactivation message; wherein the carrier activation or deactivation message comprises an indication of a second resource for the UE to transmit the feedback message to the network node; decoding the received carrier activation or deactivation message; and sending the feedback message using one of the first resource and the second resource based at least on a result of the decoding of the carrier activation or deactivation message. A UE for performing this method is also provided.Type: GrantFiled: January 29, 2018Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventor: Jun Wang
-
Patent number: 11868545Abstract: A first electronic device controls a second electronic device to measure a position of the first electronic device. The first electronic device includes a motion sensor, a network interface circuit, a processor, and a memory. The motion sensor senses motion of the first electronic device. The network interface circuit communicates with the second electronic device. The memory stores program code that is executed by the processor to perform operations that include, responsive to determining that the first electronic device has a level of motion that satisfies a defined rule, transmitting a request for the second electronic device to measure a position of the first electronic device. The position of the first electronic device is sensed and then stored in the memory. An acknowledgement is received from the second electronic device indicating that it has stored sensor data that can be used to measure the position of the first electronic device.Type: GrantFiled: October 31, 2022Date of Patent: January 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: José Araújo, Zeid Al-Husseiny
-
Patent number: 11870765Abstract: A method performed by a network node of a serving public land mobile network, PLMN, associated with a user equipment, UE, comprising: obtaining a secret identifier that uniquely identifies the UE, wherein the secret identifier is a secret that is shared between the UE and at least a home PLMN of the UE and that is shared by the home PLMN with the network node; and performing an operation related to the UE using the secret identifier. Other methods, computer programs, computer program products, network nodes and a serving PLMN are also disclosed.Type: GrantFiled: December 22, 2022Date of Patent: January 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Prajwol Kumar Nakarmi, Noamen Ben Henda, Christine Jost, Vesa Torvinen