Patents Assigned to Telefonaktiebolaget LM Ericsson (publ)
-
Patent number: 11956765Abstract: A method for receive (RX) beam switching is provided. The method may be performed by a user equipment (UE) (420). The method includes using a current RX beam (412) to receive a transmission from a network node (422). The method further includes selecting (706) a new RX beam (414) to replace the current RX beam (412). The method further includes, after selecting (706) the new RX beam (414), transmitting (708-710) a channel state information (CSI) report to the network node (422). The method further includes, after selecting (706) the new RX beam (414) and before transmitting (708-710) the CSI report, continuing to use the current RX beam (412) to receive transmissions from the network node (422). The method further includes, after transmitting (708-710) the CSI report to the network node (422), replacing (714) the current RX beam (412) with the new RX beam (414) such that the new RX beam (414) instead of the current RX beam (412) is used to receive transmissions from the network node.Type: GrantFiled: July 4, 2017Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Andreas Nilsson, Fredrik Athley, Sebastian Faxér
-
Patent number: 11952088Abstract: A method at a Unmanned Aerial Vehicle (UAV), and a UAV, adapted therefore, is adapted for enabling assisting in a rescue mission, where the method comprise: initiating a first localization of at least one body or object; initiating an analysis, for determining, at least partly based on the first localization of the at least one body or object, a need for activities, and initiating the determined activities, comprising applying floatable foam to an area on or in close proximity to the at least one body or object, while applying, to the floatable foam, a recognizable means capable of assisting in a second localization of the at least one body or object.Type: GrantFiled: July 16, 2018Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Peter Ökvist, Tommy Arngren
-
Patent number: 11956471Abstract: A method for decoding a video bitstream comprising a sequence of pictures comprising a picture A and a picture B, wherein picture A starts a recovery point period and picture B ends the recovery point period. The method includes obtaining the video bitstream and decoding from the video bitstream a normative indication of the recovery point period. The normative indication of the recovery point period indicates that picture A starts the recovery point period and/or that picture B ends the recovery point period.Type: GrantFiled: December 19, 2019Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Martin Pettersson, Rickard Sjöberg, Mitra Damghanian
-
Patent number: 11956660Abstract: Systems and methods for triggering measurements before the completion of connection resumption are provided. In some embodiments, a method performed by a wireless device for performing measurements where a current Radio Resource Control (RRC) status is: IDLE or INACTIVE. The method includes monitoring for a potential reception of a downlink message in a cell that the wireless device is camping on; detecting, based upon the reception of the downlink message, information regarding performing measurements; performing measurements based on the information regarding performing the measurements; and reporting the measurement results. In some embodiments, the message is a paging message or a message multiplexed with the paging message. In this way, latency might be reduced to start performing measurements.Type: GrantFiled: January 10, 2020Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Antonino Orsino, Oumer Teyeb, Jens Bergqvist, Osman Nuri Can Yilmaz, Icaro L. J. Da Silva, Ali Nader
-
Patent number: 11956047Abstract: According to an aspect, a wireless node selects a set of reference signal antenna ports for use in transmitting data to other wireless nodes in a given transmit time interval, from a plurality of sets of reference signal antenna ports that are available for use and that include reference signal antenna ports having different reference signal densities in the frequency and/or time dimension. The wireless node sends a message to a second wireless node indicating a reference signal assignment and including an indication of the selected set of reference signal antenna ports.Type: GrantFiled: January 20, 2022Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Lars Lindbom, Mattias Frenne, Martin Hessler, Karl Werner
-
Patent number: 11956015Abstract: A communication signal multiplexing apparatus includes first and second optical receivers, with the second optical receiver configured to receive an optical analog radio signal and to convert it into a corresponding electrical analog radio signal having a carrier frequency and the first optical receiver configured to receive an optical digital communication signal and to convert it into a corresponding electrical digital communication signal having a frequency spectrum. Further, a first electrical filter apparatus is configured to receive the electrical digital communication signal, and comprises a low-pass filter having a cut-off frequency lower than the carrier frequency of the electrical analog radio signal, and applies the low-pass filter to the electrical digital communication signal.Type: GrantFiled: September 18, 2018Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Giulio Bottari, Luca Giorgi, Filippo Ponzini
-
Patent number: 11956039Abstract: The present disclosure provides a method (100) in a network device. The method (100) includes: determining (110) a number, N, of sets of beam vectors by: creating a first set of beam vectors orthogonal to each other; and determining an n-th set of beam vectors each obtained by linear combination of two or more beam vectors from the (n?1)-th set of beam vectors, where N and n are integers and N?n>1. The method (100) further includes: selecting (120), from one or more of the N sets, a plurality of beam vectors for beamforming of a radio signal.Type: GrantFiled: September 30, 2019Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Zhan Zhang, Huaisong Zhu
-
Patent number: 11956155Abstract: Embodiments described herein relate to methods and apparatus for managing packet dropping in the fronthaul network. A method in a packet processing system includes receiving a plurality of data packets for transmission over the fronthaul network, wherein the plurality of data packets include radio data; obtaining first information for the plurality of data packets, wherein the first information is related to transmission of the radio data over a radio access interface in the radio network; and responsive to a requirement to decrease a load in the fronthaul network, selecting at least one of the plurality of packets to drop by applying at least one prioritization rule to the plurality of data packets based on the obtained first information.Type: GrantFiled: January 21, 2019Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Eduardo Lins De Medeiros, Igor Almeida, André Mendes Cavalcante, Elmar Trojer
-
Patent number: 11956168Abstract: A method, network node and wireless device for position reference signal (PRS) design by extending a base signal are disclosed. According to one aspect, a method in a wireless device (WD) includes obtaining extended reference signal, RS, configurations from the network node. The method also includes determining a waveform associated with the extended RS. The method also includes detecting a RS and estimate an associated time of arrival. The method further includes sending a measurement report to the network node based on the estimated time of arrival.Type: GrantFiled: September 27, 2019Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Per Ernström, Ritesh Shreevastav, Johannes Nygren, Deep Shrestha, Erik Stare, Florent Munier, Satyam Dwivedi, Sara Modarres Razavi, Fredrik Gunnarsson
-
Patent number: 11955682Abstract: A ceramic waveguide filter, a radio unit, an antenna unit and a base station are disclosed. According to an embodiment, a ceramic waveguide filter comprises a body (1) that is made of a ceramic material and that has a plurality of resonators each including a blind hole (101). The blind holes (101) of two of the resonators open at a first surface of the body (1) and extend toward an opposite second surface of the body (1). Capacitive coupling between the two resonators is achieved by a coupling structure (201) on/in a substrate (2), to which the body (1) is attached at the side of the second surface.Type: GrantFiled: December 30, 2020Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Yongbin Liu, Jianlan Li, Mengyang Jia, Ying Li
-
Patent number: 11956512Abstract: A client computing device (115) determines a desired adjustment to a transmission rate of a media stream (245) received from the content server device (110), and encodes the desired adjustment to the transmission rate in an object ordering priority (255) field of a request (250) for a media portion (215). The client computing device (115) sends the request (250) to the content server device (110) to adjust the transmission rate of the media stream (245) with respect to the media portion (215). The content server device (110) receives the request (25) for the media portion (215) from the client computing device (115), and adjusts the transmission rate of the media stream (245) based on the object ordering priority (255). The content server device (110) transmits the media portion (215) to the client computing device (115) via the media stream (245) at the adjusted transmission rate.Type: GrantFiled: December 2, 2016Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Geza Szabo, Daniel Bezerra, Wesley Davison Braga Melo, Djamel Fawzi Hadj Sadok, Jairo Matheus Vilaça Alves, Igor Nogueira de Oliveira, Sándor Rácz, Maria Silvia Ito
-
Patent number: 11956161Abstract: A technique for determining an available delay budget for transmission of a packet by a base station to a user equipment, UE, in a cellular network is disclosed. A method implementation of the technique is performed by the base station and includes receiving a packet from a sending node, the packet including a timestamp set by the sending node when processing the packet, triggering determining a latency of the packet based on a difference between a time determined by the base station upon receipt of the packet and the timestamp set by the sending node in the packet, the base station and the sending node being synchronized in time, and triggering determining an available delay budget for transmission of the packet to the UE based on the latency of the packet.Type: GrantFiled: July 10, 2019Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: János Harmatos, Sándor Rácz, Geza Szabo
-
Patent number: 11956034Abstract: A network node is provided. The network node includes processing circuitry configured to determine at least one Convex Reduction of Amplitude, CRAM, projection matrix based at least in part on a signal subspace of scheduled wireless devices, and optionally cause transmission based at least in part on the at least one CRAM projection matrix.Type: GrantFiled: May 1, 2019Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventor: Pierre-Andre Laporte
-
Patent number: 11956031Abstract: Communication of Measurement Results in Coordinated Multipoint Methods (200, 400, 600) performed by a wireless device (1100), Radio Access node 5 (1300) and training agent (1500) are disclosed. The wireless device is operable to receive signals over a communication channel from a Transmission Point (TP) of a communication network, which TP is a member of a Coordinated Multipoint (CoMP) set and may be managed by the Radio Access node. The method (200) performed by the wireless device comprises performing a measurement on communication channels to 0 each of a plurality of TPs in the CoMP set (210), and using an autoencoder to compress a vector of measurement results of the performed measurements (220). The method further comprises transmitting the compressed vector of measurement results to TPs in the CoMP set (230) and receiving a joint transmission from TPs in the CoMP set (240).Type: GrantFiled: November 26, 2019Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Vijaya Yajnanarayana, Alexandros Palaios, Ursula Challita
-
Patent number: 11956659Abstract: A method performed by a network node for handling measurements in a multi connectivity communication between a User Equipment (UE), and multiple nodes is provided. The multiple nodes include a Master Node (MN), and one or more Secondary Nodes (SNs) in a wireless communication network. The network node is any one out of an MN and an SN. The network node sends at least one configuration to the UE. The at least one configuration comprises any one or more out of a path and a destination for sending a report from the UE to at least one out of the MN and the one or more SNs. The report is to include a result of a measurement according to a measurement configuration, configuring the UE to measure a respective frequency provided by at least one out of the MN and the one or more SNs for communication.Type: GrantFiled: August 31, 2018Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Osman Nuri Can Yilmaz, Mårten Ericson, Antonino Orsino
-
Patent number: 11956038Abstract: Embodiments include methods, performed by a network node in a wireless network, for positioning a user equipment (UE) based on beams transmitted by the wireless network. Such methods include receiving, from the UE, first positioning measurements of first reference signals (RS) transmitted by the wireless network on a first plurality of beams. Such methods include, based on the first positioning measurements and transmission directions of the first plurality of beams, determining a second plurality of beams that differs from the first plurality of beams by at least one beam (e.g., subset, superset, partially overlapping, etc.). Various ways of obtaining the second plurality of beams are disclosed. Such methods also include obtaining second positioning measurements made by the UE on the second plurality of beams. Other embodiments include complementary methods performed by a UE, as well as network nodes and UEs configured to perform such methods.Type: GrantFiled: June 24, 2020Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Ritesh Shreevastav, Deep Shrestha, Iana Siomina, Giuseppe Destino
-
Patent number: 11956669Abstract: A first node (110; 210; 212; 310; 1000) for determining an indication of a maximum datagram size supported without fragmentation in communication between the first node (110; 210; 212; 310; 1000) and a second node (111; 211; 210; 220) in an Internet Protocol, IP, network (100; 201; 201-202; 300).Type: GrantFiled: November 20, 2018Date of Patent: April 9, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Claudio Porfiri, Carlo Vitucci
-
Patent number: 11956050Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes obtaining delay characteristic information for a set of wireless devices, the delay characteristic information for each of the set of wireless devices pertaining to one or more signaling beams of a set of signaling beams, and communicating with subgroups of wireless devices of the set of wireless devices using signaling beams selected from the set of signaling beams based on the delay characteristic information. For each subgroup, a different selected signaling beam is used for communicating. The disclosure also pertains to related devices and methods.Type: GrantFiled: October 2, 2019Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Magnus Åström, Joao Vieira, Robert Baldemair
-
Patent number: 11956203Abstract: A method by a software defined networking (SDN) controller to configure a switch to perform translation module bypass in a container orchestration system. The method includes receiving a translation rule for a flow from a load balancer, sending translation module bypass instructions to a switch in response to receiving the translation rule for the flow, where the translation module bypass instructions include instructions for the switch to stop sending packets belonging to the flow to the translation module and to apply a network address translation specified by the translation rule for the flow to the packets belonging to the flow, and send an indication to the load balancer that the packets belonging to the flow are to bypass the translation module to cause the load balancer to disable timeout processing for the flow in the translation module.Type: GrantFiled: April 4, 2019Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Faseela K, Vyshakh Krishnan C H
-
Patent number: 11956051Abstract: Systems and methods are disclosed herein for tracking multiple beams between a first radio node and one or more other radio nodes. In this regard, embodiments of a method performed by a first radio node for mitigating interference between two or more three-dimensional (3D) beams between the first radio node and the one or more other radio nodes are provided. According to one embodiment, the method comprises determining that a particular 3D beam from among two or more 3D beams results in interference to at least one other 3D beam from among the two or more 3D beams, wherein both the particular 3D beam and the at least one other 3D beam are both operated on a first frequency. The method further comprises selecting a new frequency to which to switch the particular 3D beam, and switching the particular 3D beam from the first frequency to the new frequency.Type: GrantFiled: March 26, 2020Date of Patent: April 9, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Ashkan Kalantari, Bipin Balakrishnan