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).

  • Patent number: 10165455
    Abstract: According to one aspect there is provided a method in a first network node of a telecommunication network. The network has a plurality of base stations which are operable to transmit a broadcast channel repetition pattern comprising at least one time window of a first mode of operation. The first mode of operation is interspersed between periods of a second mode of operation. The number of repetitions of a broadcast channel in a given period is greater in the first mode than in the second mode. The method comprises determining first data regarding a broadcast channel repetition pattern to be or being transmitted by a first base station. The first data comprises at least timing information about the timing of the time windows of the first mode of operation. The method also comprises sending the first data to a second network node that controls operation of a second base station neighboring the first base station.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: December 25, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Konstantinos Dimou, Johan Bergman, Erik Eriksson, Muhammad Kazmi, Anders Wallén
  • Publication number: 20180359051
    Abstract: A method performed by a radio node for configuring a plurality of Channel Quality Information (CQI) values. The radio node operates in a wireless communication network. The radio node configures the plurality of CQI values. Each of the plurality of CQI values are configured in association with a first indication for a number of repetitions of data transmission. Also described is a method performed by a wireless device for receiving configuration data from the radio node. The wireless device operates in the wireless communication network. The wireless device receives the configuration data from the radio node. The configuration data indicates configuration for the plurality of CQI values.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Inventors: Yufei Blankenship, Johan Bergman
  • Publication number: 20180359631
    Abstract: Systems and methods are disclosed for triggering a long range extension mode of operation for a wireless device in a cellular communications network. In one preferred embodiment, the wireless device is a Machine Type Communication (MTC) device. In one embodiment, a node in the cellular communications network determines that the wireless device is to operate in the long range extension mode if there is difficulty in establishing communication between the wireless device and the cellular communications network. If the wireless device is to operate in the long range extension mode, the node activates one or more long range extension mechanisms with respect to the wireless device such that the wireless device operates in the long range extension mode. In this manner, the long range extension mode is selectively triggered for the wireless device.
    Type: Application
    Filed: August 17, 2018
    Publication date: December 13, 2018
    Inventors: Kumar Balachandran, Johan Bergman, Konstantinos Dimou, Erik Eriksson, Anders Wallén
  • Patent number: 10097990
    Abstract: Systems and methods are disclosed for triggering a long range extension mode of operation for a wireless device in a cellular communications network. In one preferred embodiment, the wireless device is a Machine Type Communication (MTC) device. In one embodiment, a node in the cellular communications network determines that the wireless device is to operate in the long range extension mode if there is difficulty in establishing communication between the wireless device and the cellular communications network. If the wireless device is to operate in the long range extension mode, the node activates one or more long range extension mechanisms with respect to the wireless device such that the wireless device operates in the long range extension mode. In this manner, the long range extension mode is selectively triggered for the wireless device.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: October 9, 2018
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Kumar Balachandran, Johan Bergman, Konstantinos Dimou, Erik Eriksson, Anders Wallén
  • Patent number: 10091763
    Abstract: A method for supporting paging of user terminals by a base station that supports first and second paging modes, the second paging mode providing extended coverage relative to the first paging mode and using more resources than the first paging mode is provided. The method includes determining that the second paging mode is needed for a user terminal, and then initiating paging of the user terminal according to the second paging mode, in response to the determining. In some embodiments, the node is a mobility management node, and initiating paging of the user terminal includes sending, to the base station, a message ordering the base station to page the user terminal according to the second paging mode. In other embodiments, the node is the base station, and initiating paging includes transmitting one or more paging messages using a message format corresponding to the second paging mode.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: October 2, 2018
    Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Johan Bergman, Konstantinos Dimou, Erik Eriksson, Anders Wallén
  • Patent number: 10079655
    Abstract: A method performed by a radio node (101) for configuring a plurality of Channel Quality Information (CQI) values. The radio node (101) operates in a wireless communication network (100). The radio node (101) configures (301) the plurality of CQI values. Each of the plurality of CQI values are configured in association with a first indication for a number of repetitions of data transmission. Also described is a method performed by a wireless device (120) for receiving configuration data from the radio node (101). The wireless device (120) operates in the wireless communication network (100). The wireless device (120) receives (401) the configuration data from the radio node (101). The configuration data indicates configuration for the plurality of CQI values.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: September 18, 2018
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Yufei Blankenship, Johan Bergman
  • Publication number: 20180262390
    Abstract: A network node (200) a wireless device (202) and methods therein, for configuring a wireless link (204) to be used for controlling a process at a wireless device (202) involving communication of control signals and feedback signals over the wireless link (204). The network node (200) sends a request message (2:2) to the wireless device (202) comprising a request for performance requirements of the wireless link (204) needed for the communication of control signals and feedback signals. The wireless device (202) determines (2:3) the performance requirements based on at least one of: 1) characteristics of the process, and 2) requirements for how the process is controlled. The wireless device (202) then sends (2:4) a response message comprising the performance requirements to the network node (200) which configures (2:5) the wireless link (204) so that the performance requirements of the wireless link are fulfilled.
    Type: Application
    Filed: November 11, 2015
    Publication date: September 13, 2018
    Inventors: Torbjörn Wigren, Johan Bergman, Ari Kangas
  • Publication number: 20180255585
    Abstract: Embodiments herein may relate to a method performed by a network node (115). The network node defines one or more parameters of a Coverage Enhanced Physical random access channel Configuration Index, CE PCI, for one or more Physical Random Access Channel, PRACH, resource sets, each of the one or more PRACH resource sets is associated with a coverage level whereby a different CE PCI is defined for each coverage level. The network node configures the one or more PRACH resource sets in a broadcast message. Furthermore, the network node assigns a starting subframe number to a PRACH resource set used by a UE, (110), and calculates a Random Access Radio Network Temporary Identifier, RA-RNTI, using the assigned starting subframe number.
    Type: Application
    Filed: September 20, 2016
    Publication date: September 6, 2018
    Inventors: Tuomas Tirronen, Johan Bergman, Yufei Blankenship, Emre Yavuz
  • Patent number: 10070459
    Abstract: A low complexity user equipment (40) includes maximum size restriction, such as a maximum transport block size, for simultaneous downlink transmissions. When the user equipment (40) receives simultaneous downlink transmission exceeding the maximum size restriction, the user equipment (40) is allowed to skip decoding of one or more of the downlink transmission (e.g., one or more transport blocks) according to a predetermined set of rules.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: September 4, 2018
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Johan Bergman, Erik Eriksson, Håkan Palm, Emre Yavuz
  • Patent number: 10064086
    Abstract: Network node and UE, and methods therein for signaling system information, SI, to UEs. The method in the network node comprises transmitting SI to one or more UEs, where the SI comprises multiple alternative sets, where each set assigns different values to one or multiple radio system parameters. The method further comprises determining which set, out of the multiple alternative sets, that should currently be applied for a UE, and transmitting an SI selection signal to the UE, the SI selection signal indicating the determined set, thus enabling the UE to apply currently appropriate radio system parameters also in unfavorable radio conditions. The UE may be an MTC device (Machine Type Communication).
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: August 28, 2018
    Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Pål Frenger, Erik Eriksson, Johan Bergman, Robert Baldemair, Konstantinos Dimou
  • Publication number: 20180227833
    Abstract: The invention refers to a method for providing system information to a user equipment, UE (100), wherein a first access node (140a) of a first radio cell selects (S03) a second cell to support the system information broadcasting, and sends (S04) a message to the second access node (140b) of the second cell, wherein said message is indicative of a request to jointly broadcast system information, and wherein said request is indicative of the system information to be broadcasted; the invention further refers to corresponding access nodes (140a, 140b) a user equipment, UE (100), and computer programs.
    Type: Application
    Filed: August 15, 2016
    Publication date: August 9, 2018
    Inventors: Marco Belleschi, Johan Bergman, Emre Yavuz
  • Publication number: 20180213422
    Abstract: According to some embodiments, a method in a wireless device comprises determining the wireless device is capable of narrow bandwidth operation. The wireless device obtains a parameter associated with a measurement pattern. The measurement pattern comprises: a first time period and a second time period; a first type of radio measurements to be performed during the first time period on radio signals transmitted in a first set of physical resource channels; and a second type of radio measurements to be performed during the second time period on radio signals transmitted in a second set of physical resource channels. The wireless device determines a measurement pattern using the obtained parameter, and performs radio measurements of the first type during the first time period.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 26, 2018
    Inventors: Muhammad Kazmi, Johan Bergman, Gary Boudreau
  • Publication number: 20180198570
    Abstract: In one aspect, a wireless device receives a first data transmission from a base station during a predetermined subframe interval and within a duration that is less than a maximum data transmission duration that is possible within the predetermined subframe interval, and determines a transmission time for transmitting HARQ feedback to the base station such that the determined transmission time depends on which subset of symbols within the predetermined subframe interval was used for the first data transmission. The wireless device transmits HARQ feedback for the first data transmission at the determined transmission time. In another aspect, a base station transmits the first data transmission and determines a reception time for receiving HARQ feedback such that the determined transmission time depends on which subset of symbols within the predetermined subframe interval was used. The base station receives HARQ feedback for the first data transmission at the determined transmission time.
    Type: Application
    Filed: March 9, 2016
    Publication date: July 12, 2018
    Inventors: David Astely, Mattias Andersson, Niklas Andgart, Johan Bergman, Helka-Liina Määttanen, Stefan Parkvall
  • Publication number: 20180198677
    Abstract: There is provided mechanisms for configuring a UE. A base station is configured to configure the UE with a LC-PDCCH repetition level range selected from an ordered set of LC-PDCCH repetition level ranges using RRC signalling. The base station is configured to select a LC-PDCCH repetition level from the configured LC-PDCCH repetition level range for a transport block transmission to the UE. The UE is configured to receive the LC-PDCCH repetition level range as configuration information from the base station and using RRC signalling. The UE is configured to attempt decoding the LC-PDCCH according to at least one value in the configured LC-PDCCH repetition level range.
    Type: Application
    Filed: April 11, 2016
    Publication date: July 12, 2018
    Inventors: Yufei Blankenship, Johan Bergman, Asbjörn Grövlen
  • Publication number: 20180184434
    Abstract: Systems and methods relating to decoding a downlink channel that utilizes repetitions and, in particular, decoding the downlink channel when the number of repetitions utilized for transmission of the downlink channel is unknown. In some embodiments, a method of operation of a User Equipment device (UE) in a cellular communications network comprises identifying a Signal to Interference plus Noise (SINR) value for a signal received by the UE from a radio access node of the cellular communications network, identifying a number of repetitions estimated to be used for transmission of a downlink channel from the radio access node based on the SINR value, and attempting to decode the downlink channel based on the number of repetitions estimated to be used for transmission of the downlink channel from the radio access node.
    Type: Application
    Filed: June 24, 2016
    Publication date: June 28, 2018
    Inventors: Yufei BLANKENSHIP, Johan BERGMAN, Asbjörn GRÖVLEN
  • Publication number: 20180160448
    Abstract: The present disclosure relates to methods for random access message repetition, as well as to a wireless device, and a network node executing these methods. When performed by a wireless device in a wireless network, the method comprises selecting (S11) a Random Access Channel, RACH, resource associated with a RACH configuration for random access message repetition with a pre-determined number of repetitions for a single random access attempt; and transmitting (S14), for the single random access attempt, a random access message with the pre-determined number of repetitions using the selected RACH resource.
    Type: Application
    Filed: August 12, 2016
    Publication date: June 7, 2018
    Inventors: Yufei Blankenship, Johan Bergman
  • Publication number: 20180145819
    Abstract: Methods and apparatus disclosed herein enable a half-duplex, HD, wireless communication device, WCD (16), to remain synchronized to a supporting communication network (10), during uplink transmissions that use a large repetition factor, also referred to a using a large bundle size. For example, the WCD (16) uses a rule whereby the WCD (16) tunes back to the downlink carrier from time to time while making an uplink transmission that uses a large repetition factor. Re-tuning to the downlink carrier from time to time in this manner allows the WCD (16) to correct and maintain its time and frequency synchronization with respect to the network (10).
    Type: Application
    Filed: February 14, 2017
    Publication date: May 24, 2018
    Inventors: Joakim Axmon, Johan Bergman, Yufei Blankenship, Santhan Thangarasa, Kazuyoshi Uesaka
  • Patent number: 9974058
    Abstract: Methods of operating a network node in a RAN may include transmitting control information for a subframe from the network node to a wireless terminal. The control information may include a Time Domain Split (TDS) indication defining a sub-subframe of the subframe, and a duration of the sub-subframe may be less than a duration of the subframe. Moreover, communication of data may be provided between the network node and the wireless terminal during the sub-subframe of the subframe. Methods of operating the wireless terminal may include receiving the control information for the subframe at the wireless terminal from the network node. The control information may include the TDS indication, and communication of the data may be provided between the wireless terminal and the network node during the sub-subframe of the subframe. Related network nodes and wireless terminals are also discussed.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 15, 2018
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Helka-Liina Määttanen, Mattias Andersson, Niklas Andgart, David Astely, Johan Bergman
  • Patent number: 9949251
    Abstract: Methods and user equipment (UE) for data demodulation. A UE comprises a receiver (Rx), a transmitter (Tx), a demodulator, a decoder, a processor, and a memory. An order message can be received by the receiver from a radio network node. The order message orders the UE to utilize both additional pilots and common pilots. In response to the receiver receiving the order message, the transmitter may return an ACK message to the radio network node. The receiver may also be configured to receive data from the radio network node. The memory stores computer program code which, when run in the processor, causes the demodulator to demodulate received data utilizing additional pilots in addition to common pilots. Furthermore, the memory and the computer program code are configured to, together with the processor, cause the demodulator to demodulate received data utilizing only common pilots when the decoder is unsuccessful in decoding received data demodulated by utilizing additional pilots in addition to common pilots.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: April 17, 2018
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Sairamesh Nammi, Namir Lidian, Johan Bergman
  • Patent number: 9936523
    Abstract: The present disclosure concerns radio communication. More particularly, the present disclosure concerns random access procedures used in communication between user equipments (UEs) and radio network nodes, such as evolved NodeB's. According to one exemplary embodiment disclosed herein, a method in a UE 10 comprises transmitting 110, 130 two or more Physical Random Access Channel, PRACH, signals, where the two or more PRACH signals have different frequency bandwidths. Hereby it is made possible to improve the resource utilization during the random access procedure.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: April 3, 2018
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Robert Baldemair, Kumar Balachandran, Johan Bergman, Konstantinos Dimou, Erik Eriksson, Pål Frenger