Patents Assigned to Telefonaktiebolaget LM Ericsson (publ)
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Patent number: 11962055Abstract: The present disclosure relates to waveguide band-stop filter arrangement adapted to be connected to a waveguide transmission line at a filter interface, where the waveguide transmission line is adapted for a main propagation extension. The band-stop filter arrangement comprises a first pair of cavities, where each cavity in the first pair, each first pair cavity, comprises a corresponding inductive first pair aperture arrangement that is adapted to connect the corresponding first pair cavity to the waveguide transmission line. The first pair cavities are positioned adjacent each other along a stacking extension perpendicular to the main propagation extension such that they share a first common wall and are adapted to be positioned adjacent the waveguide transmission line. The first pair of cavities comprises a first capacitive aperture arrangement in the first common wall, mutually connecting the first pair cavities.Type: GrantFiled: June 28, 2019Date of Patent: April 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Anatoli Deleniv, Peter Melin, Ove Persson
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Patent number: 11962416Abstract: A method for operating a network node of a wireless communication network is disclosed. The method comprises determining and/or adjusting a HARQ signaling format for a terminal configured for carrier aggregation based on a number of DL carriers and/or a number of HARQ bits configured for the terminal.Type: GrantFiled: February 3, 2023Date of Patent: April 16, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Fredrik Huss, Peter Bengtsson, Yu Yang
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Patent number: 11960926Abstract: An artificial intelligence, AI, planning controller control the timing of when a plan (16) to accomplish a task (14) is synthesized. The AI planning controller in this regard determines a quiescent phase (20) during which values of at least some predicates describing a state of the system (12) will remain stable. The AI planning controller then controls artificial intelligence planning to synthesize the plan (16) during at least some of the quiescent phase (20).Type: GrantFiled: September 13, 2018Date of Patent: April 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Swarup Kumar Mohalik, Senthamiz Selvi Arumugam, Chakri Padala
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Patent number: 11962372Abstract: A channel matrix representing characteristics of a multi-path channel between a transmitter device (210) equipped with multiple transmitter antennas (211, 212, 213, 214, 215) and at least one receiver device (220, 230, 240) equipped with one or more receiver antennas (221, 222, 231, 232, 241, 242). The channel matrix is organized in one or more channel vectors each associated with a corresponding one of the one or more receiver antennas (221, 222, 231, 232, 241, 242). An iterative optimization algorithm is applied to determine a precoding matrix from the channel matrix. At least one step size of the iterative optimization algorithm is set depending on a vector norm of at least one of the channel vectors. Multi-antenna transmission by the transmitter device (210) is then controlled based on the determined precoding matrix.Type: GrantFiled: April 5, 2019Date of Patent: April 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Mohammadreza Malek-Mohammadi, Niklas Jaldén
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Patent number: 11962315Abstract: A phase-locked loop comprises a voltage controlled oscillator. The voltage controlled oscillator comprises an inductor and a capacitor, connected in parallel, and also connected in parallel therewith, a negative resistance structure. A first terminal of the negative resistance structure is connected to respective first terminals of the inductor and the capacitor. A second terminal of the negative resistance structure is connected to respective second terminals of the inductor and the capacitor. The negative resistance structure exhibits a tunable capacitance, such that a frequency of an output of the voltage controlled oscillator can be tuned by a control input signal, and the control input signal is generated in the phase-locked loop. The negative resistance structure comprises first and second transistors.Type: GrantFiled: March 31, 2020Date of Patent: April 16, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Aravind Tharayil Narayanan, Staffan Ek, Lars Sundström, Roland Strandberg
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Patent number: 11962474Abstract: A method (1000) for performance modeling of a plurality of microservices (215) includes deploying the plurality of microservices (215) within a network (1260). The plurality of microservices (215) are communicatively coupled to generate at least one service chain (310) for providing at least one service. Based on a resource allocation configuration, an initial set of training data for the plurality of microservices within the network (1260) is determined. At least a portion of data is excluded from the initial set of training data to generate a subset of training data. A Quality of Service (QoS) behaviour model is generated based on the subset of the training data.Type: GrantFiled: October 2, 2019Date of Patent: April 16, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Michel Gokan Khan, Wenfeng Hu, Carolyn Cartwright, Huiyuan Wang
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Patent number: 11963047Abstract: Decision-making equipment (22) is configured for link change decision-making using reinforcement learning. The decision-making equipment (22) is configured to track rewards (30-1, . . . 30-M) earned for, and outcomes (28-1, . . . 28-M) of, respective link change decisions (26-1, . . . 26-M). In some embodiments, possible outcomes of a link change decision to change a serving link of a wireless device to a target link include at least: a change of the serving link of the wireless device from the target link to another link; and a network-initiated disconnect of the wireless device from the target link. Regardless, the decision-making equipment (22) is also configured to make a link change decision (28-(M+1)) based on the tracked rewards (30-1, . . . 30-M) and outcomes (28-1, . . . 28-M).Type: GrantFiled: October 18, 2018Date of Patent: April 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Athanasios Karapantelakis, Elena Fersman, Rafia Inam, Markus Andersson, David Lindero
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Patent number: 11963227Abstract: A method implemented in a User Equipment, UE, for a cellular communication system includes transmitting a Random Access (RA) preamble and receiving a Random Access Response (RAR) from a base station (BS) containing a timing advance value, TA, indicative of a radio signal propagation delay between the UE and the BS and information indicative of an added time delay, TF, between reception of the RA preamble by the BS and transmission of the RAR by the BS.Type: GrantFiled: September 6, 2019Date of Patent: April 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Jonas Kronander, Magnus Stattin
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Patent number: 11963014Abstract: The disclosure refers to a method in a network entity for establishing network cells in a wireless communication system, wherein the network entity provides wireless network coverage to a plurality of network cells. The method comprising the method steps of: identifying a need of establishing network cells, accessing a network cell establishment list, wherein the network cell establishment list defines a number of network cells and an order in which respective network cell is to be established, and establishing network cells in accordance with the order provided by the network cell establishment list. The disclosure also refers to a network entity configured to perform such method.Type: GrantFiled: May 27, 2019Date of Patent: April 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventor: Jimmy Nilsson
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Patent number: 11963260Abstract: A method of ending a subscription performed in a network entity is disclosed. The method comprises receiving, from a device comprising an Embedded Universal Integrated Circuit Card, eUICC, a signed confirmation of a profile having been deleted in the device, the profile being associated with a subscription for the device; sending, to a Subscription Manager Data Preparation entity, a command for deletion of the profile; and deleting the user subscription and related profile in case an acknowledgement of the deletion of the profile is received from the Subscription Manager Data Preparation entity. Method in a device, method in a Subscription Manager Data Preparation entity, devices and entities, computer programs and computer program products are also provided.Type: GrantFiled: June 2, 2021Date of Patent: April 16, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Patrik Salmela, Abu Shohel Ahmed, Kazi Wali Ullah
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Patent number: 11963103Abstract: Methods and apparatuses for paging are disclosed. According to an embodiment, a paging related entity obtains first information about a probability at which each of at least one terminal device is paged at a paging occasion (PO). The paging related entity obtains second information about a first power consumption and a second power consumption spent by each of the at least one terminal device for detecting a wake up signal (WUS) and a paging message respectively. The paging related entity determines, for multiple applicable WUS to PO mapping parameters, corresponding power consumptions spent by the at least one terminal device in a paging time window (PTW), based on the first and second information. The paging related entity determines, as a target WUS to PO mapping parameter to be applied to the at least one terminal device, one of the multiple applicable WUS to PO mapping parameters corresponding to a lowest power consumption in a PTW.Type: GrantFiled: September 11, 2019Date of Patent: April 16, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Rui Fan, Andreas Höglund
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Patent number: 11963223Abstract: A technique for performing or providing random access, RA, to a radio access network using an unlicensed channel (400) is described. As to a method aspect of the technique, a first listen-before-talk (LBT) operation on the unlicensed channel is performed. The first LBT operation indicates that the channel is occupied at a beginning (412) of a RA resource (410) for transmitting a RA message signal (304). A second LBT operation on the unlicensed channel (400) indicates that the channel (400) is idle within a part (414) of the RA resource (410) for transmitting the RA message signal (304). The RA message signal (304) is transmitted in response to the second LBT operation.Type: GrantFiled: October 29, 2019Date of Patent: April 16, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Jinhua Liu, Min Wang
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Patent number: 11963236Abstract: A prioritization method for random access, comprising receiving one or more first packet flow for transmission, wherein the one or more first packet flow is assigned a respective access category queue, initiating a random access procedure for the first packet flow, receiving a packet of a second packet flow for transmission, wherein the second packet flow is assigned an access category queue having priority over the access category queue assigned to the first packet flow, issuing an indication configured to interrupt the random access procedure for the first packet flow, and performing a random access procedure for the received packet of the second packet flow wherein idle time slots previously sensed by the random access procedure for the first packet flow are considered as sensed also for the random access procedure for the second packet flow. Corresponding apparatus and computer program product are also disclosed.Type: GrantFiled: October 10, 2018Date of Patent: April 16, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Luis Felipe del Carpio Vega, Zaib Zubair, Vicknesan Ayadurai, Divya Peddireddy, Eda Genc
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Publication number: 20240119355Abstract: A method for performing online convex optimization is provided. The method includes receiving, from two or more worker nodes, a local decision vector and local data corresponding to each of the two or more worker nodes. The method includes performing a multi-step gradient descent based on the local decision vector and the local data received from the two or more worker nodes. Performing the multi-step gradient descent includes determining a global decision vector and corresponding global information. The method includes sending, to each of the two or more worker nodes, the global decision vector and corresponding global information.Type: ApplicationFiled: January 12, 2022Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gary Boudreau, Hatem Abou-zeid, Juncheng Wang, Ben Liang, Min Dong
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Publication number: 20240121654Abstract: A first network node, a second network node and methods therein, for handling baseband processing of signals communicated with wireless devices in a wireless network. The first network node communicates a first type of signals with a first wireless device and performs a first part of baseband processing of the first type of signals using a non-GPP implemented processor. The first network node also communicates the first type of signals with the second network node for a second part of baseband processing of the first type of signals using a GPP implemented processor. The first network node further communicates a second type of signals with a second wireless device and performs both of said first and second parts of baseband processing of the second type of signals using the non-GPP implemented processor.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Chenguang LU, Johan ZHANG, Miguel BERG, Daniel CEDERHOLM
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Publication number: 20240121591Abstract: Method and apparatus in which a network exposure node receives, from a server, a first request for monitoring communication failure for at least one terminal device. The network exposure node obtains a connection identity (ID) for identifying a connection between the at least one terminal device and the server, based on the received first request. The network exposure node sends, to a subscriber management node or a policy decision node, a second request for monitoring communication failure for the at least one terminal device. The second request includes the obtained connection ID.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Wenliang XU, Juying GAN, Yunjie LU
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Publication number: 20240121708Abstract: A method performed by a communication device for selecting an available network to be an active network for the communication device. The method comprises obtaining a network policy that identifies a set of networks and that identifies at least a first network within the set of networks as a most preferred network, wherein the set of networks comprises a first third-generation partnership project (3GPP) network and a first non-3GPP network. The method also includes determining that the first network is available. The method further includes as a result of determining that the first network is available, setting the first network as the active network for the communication device.Type: ApplicationFiled: September 19, 2023Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventor: Giuseppe BURGARELLA
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Publication number: 20240121025Abstract: Embodiments of the present disclosure provide method and apparatus for MCS table switch. A method performed by a network device comprises determining that a terminal device supports a first modulation and coding scheme (MCS) and a second MCS. The method further comprises transmitting configuration information regarding a first bandwidth part associated with a first MCS table supporting the first MCS to the terminal device. The method further comprises transmitting configuration information regarding a second bandwidth part associated with a second MCS table supporting the second MCS to the terminal device. The first MCS table is different from the second MCS table.Type: ApplicationFiled: January 29, 2021Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Qi ZHANG, Xiaomeng LIU
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Publication number: 20240121309Abstract: A method for implementing an AF multipath policy. The method may be performed by a PCF and may include a step of transmitting a request message comprising a UE ID identifying a UE. The method also includes receiving a response message transmitted as a response to the request message, the response message comprising: the AF multipath policy, an application ID (App-ID) identifying an application, and an application protocol ID (App-ID-Protocol), identifying a protocol used by the application. The method further includes generating a multipath policy using at least: i) the AF multipath policy and ii) the App-ID-Protocol. The method further includes providing the generated multipath policy to a management function (e.g., SMF).Type: ApplicationFiled: January 31, 2022Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Miguel Angel MUÑOZ DE LA TORRE, Veronica SANCHEZ VEGA, Marcus IHLAR
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Publication number: 20240119951Abstract: A transient detector analyzes a given frame n of the input audio signal to determine, based on audio signal characteristics of the given frame n, a transient hangover indicator for a following frame n+1, and signals the determined transient hangover indicator to an associated audio encoder to enable proper encoding of the following frame n+1.Type: ApplicationFiled: October 17, 2023Publication date: April 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Anisse TALEB, Gustaf ULLBERG