Patents by Inventor Johan Bergman
Johan Bergman 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: 20260164439Abstract: According to some embodiments, a method performed by a wireless device comprises determining a physical uplink control channel (PUCCH) resource set to be used by a reduced capability (RedCap) wireless device for initial uplink and transmitting one or more PUCCH transmissions using the determined PUCCH resource set. Determining the PUCCH resource set may comprise determining that frequency hopping is disabled.Type: ApplicationFiled: November 7, 2022Publication date: June 11, 2026Inventors: Mohammad Mozaffari, Sandeep Narayanan Kadan Veedu, Johan Bergman
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Publication number: 20260122598Abstract: Embodiments include methods for a user equipment (UE) configured for positioning in a radio access network (RAN). Such methods include receiving, from a positioning node associated with the RAN, a plurality of configurations for positioning reference signals (PRS) transmitted by a corresponding plurality of RAN nodes. Each PRS configuration includes a PRS bandwidth and at least one PRS frequency hopping configuration. Such methods include, for each RAN node, performing positioning measurements on narrowband PRS transmitted by the RAN node within the PRS bandwidth according to the at least one PRS frequency hopping configuration. Such methods include sending the positioning measurements, or information derived therefrom, to the positioning node. Other embodiments include complementary methods for the positioning node and the RAN node, as well as UEs, positioning nodes, and RAN nodes configured to perform such methods.Type: ApplicationFiled: July 13, 2023Publication date: April 30, 2026Inventors: Zhilan Xiong, Johan Bergman, Magnus Larsson
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Patent number: 12604338Abstract: A method performed by user equipment, UE, includes receiving a DL reception and transmitting an UL transmission, wherein there is a collision between the DL reception and the UL transmission. The method also includes prioritizing for processing the DL reception or the UL transmission by applying a particular prioritization rule of a plurality of prioritization rules depending upon a type of the DL reception and/or the UL transmission. The method further includes processing the DL reception or the UL transmission in response to applying the particular prioritization rule.Type: GrantFiled: January 17, 2022Date of Patent: April 14, 2026Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Kittipong Kittichokechai, Yi-Pin Eric Wang, Johan Bergman, Mohammad Mozaffari, Anders Wallén, Saeedeh Moloudi
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Patent number: 12568523Abstract: Embodiments include methods for a wireless device configured for random access to a cell of a wireless network. Such methods include transmitting, to a network node during a random-access procedure in the cell, a first indication of at least one capability of the wireless device. Such methods also include communicating with the network node, in one or more subsequent messages of the random-access procedure, using a configuration corresponding to the at least one capability indicated by the first indication. Other embodiments include complementary methods for a network node configured to support random access by wireless devices, as well as wireless devices and network nodes configured to perform such methods.Type: GrantFiled: February 4, 2021Date of Patent: March 3, 2026Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yutao Sui, Andreas Höglund, Luca Feltrin, Johan Bergman, Yi-Pin Eric Wang, Mohammad Mozaffari, Yi-Ju Chen
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Patent number: 12568481Abstract: In one aspect, a network device transmits using a first carrier having a predetermined number of subcarriers within the bandwidth of a second carrier, such that data for one or more of the predetermined number of subcarriers corresponding to a partial overlap by the first carrier of a resource block of the second carrier is not transmitted. In another aspect, the wireless device receives using a first carrier having a predetermined number of subcarriers within the bandwidth of a second carrier, such that one or more of the predetermined number of subcarriers corresponding to a partial overlap by the first carrier of a resource block of the second carrier are discarded when decoding the received signal.Type: GrantFiled: August 14, 2020Date of Patent: March 3, 2026Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Mohammad Mozaffari, Johan Bergman, Anders Wallén
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Patent number: 12520314Abstract: A method implemented by a user equipment (UE) in a communication network is provided. The method includes receiving, from a network node, a delay indicator that indicates a scheduling delay for Physical Downlink Shaved Channel, PDSCH, and the UE counts the scheduling delay for the PDSCH according to the received indicator.Type: GrantFiled: July 30, 2021Date of Patent: January 6, 2026Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Liping Zhang, Gerardo Agni Medina Acosta, Ola Lundqvist, Jie Chen, Johan Bergman, Kazuyoshi Uesaka
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Patent number: 12490173Abstract: A method performed by a network node, for controlling access of a first User Equipment (UE) and a second UE to a cell in a radio communications network is provided. The first UE is of a low complexity type, and wherein the second UE is of a regular type. A first association is assigned to the first UE. The first association associates the first UE with its low complexity type. A second association is assigned to the second UE. The second association associates the second UE with its regular type. The network node controls (302) access of the first UE and second UE by sending a rule to the first UE and second UE. The rule is related to access control that is different for UEs with different associations, for accessing to the radio communications network.Type: GrantFiled: March 31, 2021Date of Patent: December 2, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Oscar Ohlsson, Pontus Wallentin, Andreas Höglund, Olof Liberg, Paul Schliwa-Bertling, Tuomas Tirronen, Johan Bergman
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Patent number: 12483359Abstract: The present application generally relates to wireless communication technology. More particularly, the present application relates to a method and apparatus for scheduling delay associated with HARQ processes in LTE-MTC. The present application also relates to computer program product adapted for the same purpose. According to one embodiment, a method for scheduling delay associated with HARQ processes in LTE-MTC comprises: —a) in response to presence or non-presence of PUCCH repetition, invalid BL/CE DL subframe, invalid BL/CE UL subframe, and measurement gap, determining a HARQ-ACK scheduling counting strategy; and —b) scheduling a HARQ-ACK delay value in accordance with the HARQ-ACK scheduling counting strategy.Type: GrantFiled: July 27, 2020Date of Patent: November 25, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Liping Zhang, Gerardo Agni Medina Acosta, Ola Lundqvist, Jie Chen, Johan Bergman, Kazuyoshi Uesaka
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Publication number: 20250280439Abstract: A wireless device determines whether to provide a reduced capability, RedCap, indication via a message 1 of a random access procedure. The wireless device transmits the message 1 based on the determination, and transmits a message 3 of the random access procedure. A RedCap indication is provided via the message 3 at least if a RedCap indication is not provided via the message 1. According to some embodiments, the wireless device receives an indication whether the wireless device is to provide a RedCap indication via the message 1, and the determination is based on the received indication. According to some embodiments, the indication whether the wireless device is to provide a RedCap indication via the message 1 is provided by whether a physical random access channel, PRACH, partition between RedCap wireless devices and other wireless devices is configured.Type: ApplicationFiled: May 20, 2025Publication date: September 4, 2025Inventors: Andreas HÖGLUND, Tuomas TIRRONEN, Johan BERGMAN, Sandeep Narayanan KADAN VEEDU, Kittipong KITTICHOKECHAI, Yi-Pin Eric WANG, Henrik ENBUSKE
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Patent number: 12402118Abstract: Techniques for facilitating dedicated transmissions over preconfigured uplink resources. Embodiments include techniques to configure subsequent PUR resource utilization (e.g., one-at-a-time basis or on a periodic basis), changes to EDT signaling to allow functioning with PUR, etc. An example method performed by a wireless device configured for use in a wireless communication network includes transmitting (90), in an uplink message, a request for a configuration of preconfigured uplink resources. The method further includes receiving (100), during a connected mode in which the wireless device has a connection with the wireless communication network, control signaling indicating a first preconfigured resource configuration that configures a first preconfigured resource. The method also includes transmitting or receiving (120) user data using the first preconfigured resource.Type: GrantFiled: September 27, 2019Date of Patent: August 26, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas Höglund, Hazhir Shokri Razaghi, Sandeep Narayanan Kadan Veedu, Johan Bergman, Gerardo Agni Medina Acosta, Tuomas Tirronen
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Patent number: 12395302Abstract: Systems and methods are disclosed herein for Control Resource Set (CORESET) enhancements for initial access. In one embodiment, a method performed by a wireless communication device comprises receiving and decoding a Physical Downlink Control Channel (PDCCH) transmission in a CORESET in accordance with at least a portion of a Control Channel Element (CCE) to Resource Element Group (REG) mapping. The PDCCH transmission comprises one or more CCEs. The CCE to REG mapping comprises an interleaved portion that maps the one or more CCEs to a first set of REGs that are spread across a bandwidth of the CORESET, and a second portion that maps at least a portion of an additional CCE to at least a REG in a frequency gap between two REGs in the first set of REGs, the additional CCE corresponding to one of the CCEs mapped to the first set of REGs.Type: GrantFiled: March 29, 2021Date of Patent: August 19, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Mohammad Mozaffari, Yutao Sui, Yi-Pin Eric Wang, Johan Bergman, Anders Wallén, Andreas Höglund, Kittipong Kittichokechai, Riikka Susitaival, Yi-Ju Chen
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Patent number: 12362973Abstract: Embodiments herein disclose e.g. a method performed by a wireless device (10) for handling communication for the wireless device in a second wireless communication network. The second wireless communication network coexists with a first wireless communication network on a same bandwidth in frequency, wherein the first wireless communication network applies a first shift in frequency in uplink transmissions. The wireless device receives from a radio network node (12, 13), an indication indicating application of a second shift in frequency to uplink transmissions in case the second wireless communication network uses Frequency Division Duplex (FDD). The wireless device further applies the second shift in frequency to uplink transmissions, wherein the second shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the second wireless communication network or a shift in frequency to the subcarrier grid of the second wireless communication network.Type: GrantFiled: January 12, 2024Date of Patent: July 15, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Robert Baldemair, Johan Bergman, Erik Dahlman, Olof Liberg, Stefan Parkvall, Yi-Pin Eric Wang
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Patent number: 12363743Abstract: A method performed by a wireless device, UE, for configuring a semi-persistent scheduling, SPS is described. In accordance with the method, the UE may be configured to monitor a first search space of a physical downlink control channel for downlink control information, DCI, dedicated to the UE. The method may include receiving from the communication network SPS configuration data to configure a second search space to be monitored by the UE for DCI to activate or de-activate the SPS, the second search space being smaller than the first search space, and monitoring the second search space to detect the DCI to activate or de-activate the SPS. A corresponding method may be performed by a network node.Type: GrantFiled: September 18, 2018Date of Patent: July 15, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Andreas Höglund, Johan Bergman, Ritesh Shreevastav, Yutao Sui, Tuomas Tirronen, Stefan Wänstedt, Emre Yavuz
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Patent number: 12355600Abstract: Systems and methods for selecting subcarriers to be used for sub-Physical Resource Block (PRB) transmission and, in some embodiments, for mapping Demodulation Reference Signals (DMRS) to resources on the selected subcarriers are disclosed. In some embodiments, a method of operation of a radio node for providing sub-PRB transmission comprises selecting two adjacent subcarriers from a set of three allocated subcarriers that are allocated for a sub-PRB transmission that uses Single Carrier Frequency Division Multiple Access (SC-FDMA) Pi/2 Binary Phase Shift Keying (BPSK) modulation using only two adjacent subcarriers out of the set of three allocated subcarriers with Discrete Fourier Transform (DFT) spread length of 2. In some embodiments, the selection is such that the selected adjacent subcarriers varies, e.g., from one cell to another. In doing so, interference is distributed.Type: GrantFiled: June 29, 2023Date of Patent: July 8, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yi-Pin Eric Wang, Anders K. Eriksson, Johan Bergman, Chunhui Zhang, Gerardo Agni Medina Acosta
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Patent number: 12336003Abstract: A wireless device determines whether to provide a reduced capability, RedCap, indication via a message 1 of a random access procedure. The wireless device transmits the message 1 based on the determination, and transmits a message 3 of the random access procedure. A RedCap indication is provided via the message 3 at least if a RedCap indication is not provided via the message 1. According to some embodiments, the wireless device receives an indication whether the wireless device is to provide a RedCap indication via the message 1, and the determination is based on the received indication. According to some embodiments, the indication whether the wireless device is to provide a RedCap indication via the message 1 is provided by whether a physical random access channel, PRACH, partition between RedCap wireless devices and other wireless devices is configured.Type: GrantFiled: October 13, 2021Date of Patent: June 17, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Andreas Höglund, Tuomas Tirronen, Johan Bergman, Sandeep Narayanan Kadan Veedu, Kittipong Kittichokechai, Yi-Pin Eric Wang, Henrik Enbuske
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Publication number: 20250184920Abstract: A communication device is configured for use in a communication network. The communication device is configured to set a maximum output power based on a metric reflecting an amount of energy stored in an energy storage of the communication device, e.g., an amount of harvested energy stored in a supercapacitor. The communication device is also configured to perform one or more transmissions according to the maximum output power.Type: ApplicationFiled: March 1, 2023Publication date: June 5, 2025Inventors: Olof LIBERG, Yi-Pin Eric WANG, Andreas HÖGLUND, Johan BERGMAN, Emre YAVUZ
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Patent number: 12301510Abstract: Systems and methods for handling transmissions and retransmissions on a periodic preconfigured uplink resource (PUR) are provided. Respective resources for transmission and retransmission can be determined and configured for a wireless device to prevent blocking of a new data transmission on a PUR opportunity by a retransmission attempt. Responsive to determining that a first transmission on the PUR was unsuccessful, a second resource can be configured for the retransmission.Type: GrantFiled: February 14, 2020Date of Patent: May 13, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gerardo Agni Medina Acosta, Sandeep Narayanan Kadan Veedu, Andreas Höglund, Dung Pham Van, Johan Bergman, Emre Yavuz
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Patent number: 12302220Abstract: A method is performed by a wireless device for early data transmission. The method comprises receiving a broadcast from a network node. The broadcast indicates a maximum transport block size for early data transmission and a number of transport block size candidates. The method further comprises selecting a transport block size for early data transmission. The transport block size is selected based on a table entry that corresponds to the maximum transport block size and the number of transport block size candidates. The method further comprises transmitting uplink data in one or more transport blocks. Each transport block has the selected transport block size.Type: GrantFiled: April 4, 2019Date of Patent: May 13, 2025Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Andreas Höglund, Johan Bergman, Yutao Sui
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Patent number: 12225413Abstract: A method and network node for flexible indication of resources in LTE-M using bitmaps are disclosed. According to one aspect, a method includes indicating to the wireless device a set of reserved resources for machine communications in compatibility with a broadband radio access technology sharing resources in a time frame and frequency band that encompasses the set of reserved resources, the indicating using a two level bitmap operating in the time-domain, a first bitmap level of the two level bitmap indicating a first set of subframes containing reserved resources, and a second bitmap level of the two level bitmap indicating reserved symbols within an indicated subframe.Type: GrantFiled: August 13, 2020Date of Patent: February 11, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Mohammad Mozaffari, Johan Bergman, Anders Wallén, Mattias Frenne
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Patent number: 12219570Abstract: Systems and methods for specifying content of carrier measurement reports in a cellular communication system are disclosed. Embodiments of a method performed by a wireless device are disclosed. In some embodiments, the method performed by the wireless device includes transmitting a random access preamble, receiving, from a base station, a random access response, and transmitting, to the base station, a Msg3 comprising one or more quality reports for one or more carriers or narrowbands, each of the one or more quality reports comprising at least one of a value that is indicative of a number of repetitions to be used for physical downlink control channel transmissions to the wireless device on the one or more carriers or narrowbands and an aggregation level. Some embodiments include transmitting, to a base station, an uplink message including the one or more quality reports for the one or more carriers or narrowbands.Type: GrantFiled: January 23, 2020Date of Patent: February 4, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Luca Feltrin, Dung Pham Van, Johan Bergman, Ritesh Shreevastav