Patents by Inventor Martin Hessler

Martin Hessler 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: 10736034
    Abstract: There is provided provision of timing information of a first timing information source using timing information of a second timing information source to a wireless device. A network node determines that second timing information from the second timing information source is available and that timing information from the first timing information source is derivable from the second timing information. The network node instructs the wireless device to use the second timing information as a source for deriving first timing information of the first timing information source.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: August 4, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Erik Eriksson, Pål Frenger, Martin Hessler
  • Patent number: 10735140
    Abstract: There is provided mechanisms for encoding an information sequence into an encoded sequence. A method is performed by an information encoder. The method comprises obtaining the information sequence. The method comprises inserting at least one checkpoint sequence in the information sequence. The method comprises encoding the information sequence comprising the at least one checkpoint sequence into the encoded sequence using a polar code. There is also provided a method for decoding such an encoded sequence.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: August 4, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mirsad Cirkic, Jonas Fröberg Olsson, Martin Hessler
  • Patent number: 10727988
    Abstract: Systems and methods are disclosed for providing efficient downlink Hybrid Automatic Request (HARQ) feedback. In some embodiments, a method of operation of a wireless device in a cellular communications system comprises receiving downlink control information from a radio access node in a first subframe T. The downlink control information comprises an indication of a HARQ timing offset K. The method further comprises transmitting downlink HARQ feedback to the radio access node in a subframe T+K. In this manner, HARQ feedback can be directly scheduled by the network, which in turn enables efficient HARQ feedback.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: July 28, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Andreas Bergström, Niclas Wiberg, Martin Hessler
  • Patent number: 10728766
    Abstract: A method and a network node (130) for managing a geo-fence for use by a source radio network node (120) are disclosed. The network node (130) receives (A010) indications about signal quality at respective positions of user equipments (110), wherein the user equipments (110) have been subject to hand-overs from the source radio network node (120) at the respective positions, wherein the hand-overs are based on signal quality measured for the user equipments (110). The network node (130) defines (A040) the geo-fence based on the respective positions and the indications about signal quality, wherein the geo-fence defines a geographical area. The network node (130) supports (A050) a hand-over of a user equipment (110) from the source radio network node (120) to a target radio network node (121) while using the geo-fence, wherein the hand-over is performed without measurements, by the user equipment (110), of signal quality towards the target radio network node (121) for the user equipment (110).
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: July 28, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Pål Frenger, Erik Eriksson, Martin Hessler, Pradeepa Ramachandra
  • Patent number: 10715225
    Abstract: A method implemented in a first radio device (UE) for quality reporting of a radio channel (2) comprising: Determining a condition of the radio channel and entering a monitoring phase if the condition of the radio channel exhibits an invariance of statistics of the radio channel (810, 811), Receiving at least one data symbol via said radio channel during the monitoring phase (812), Determining a statistical characterization of the radio channel based on the received data symbol (813), and Reporting a quality of the radio channel (2) to a second radio device if the statistical characterization exceeds a predetermined threshold (814).
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: July 14, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Martin Hessler, Emil Björnson, Erik G. Larsson, Reza Moosavi
  • Publication number: 20200220689
    Abstract: According to certain embodiments, a user equipment (810) is provided for use in a cellular network. The user equipment (810) may include a transceiver (910), a processor (920), and a memory (930). The user equipment (810) may be configured to acquire a Demodulation Reference Signal (DMRS) configuration. A mapping is determined from the DMRS configuration to a phase noise tracking reference signal (PNT-RS). A channel estimate is performed using the DMRS configuration. Phase noise estimation and compensation is performed based on the PNT-RS by using the mapping and the channel estimate.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    Inventors: Martin Hessler, Robert Baldemair, Lars Lindbom, Henrik Sahlin
  • Patent number: 10708115
    Abstract: In an aspect, a wireless device with a plurality of transmitter chains that can be selectively used to transmit a beam-formed signal determines a targeted receive power for the beam-formed signal, with respect to a target receiving device. The wireless device selects a number of the plurality of transmitter chains for forming the beam-formed signal, based on the targeted receive power and based on an estimated power consumption for each of the plurality of transmitter chains. The selection is performed so as to minimize a total power consumption, given the estimated power consumptions. The wireless device transmits a beam-formed signal, using the selected number of the plurality of transmitter chains.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: July 7, 2020
    Assignee: Telefonaktiebolaget LM Ericcson (publ)
    Inventors: Torgny Palenius, Robert Baldemair, Martin Hessler, Eleftherios Karipidis, Bo Lincoln, Eliane Semaan
  • Patent number: 10707994
    Abstract: There is disclosed a method for operating a transmitting node (10, 100) for a wireless communication network, the transmitting node being adapted for transmitting data utilizing error detection coding, wherein the error detection coding has a coding length in bits, the method comprising adapting the coding length based on a retransmission status of the data. There are also disclosed a corresponding method for operating a receiving node and corresponding nodes and program products and storage media.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: July 7, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Fredrik Lindqvist, Erik Eriksson, Martin Hessler, Osman Nuri Can Yilmaz
  • Patent number: 10701620
    Abstract: A radio network (600) comprising at least one network node (604) broadcasts access information (AIT) comprising a range of access parameters, using a demodulation reference signal (RS4) out of a set of predefined demodulation reference signals. The radio network (600) also transmits a synchronization signal (SSI 7) associated with a predefined mapping to at least two candidate demodulation reference signals including the demodulation reference signal used for broadcasting the access information. Thereby, a wireless device (602) receiving the synchronization signal is able to demodulate the broadcasted access information and derive valid access related parameters therefrom, based on the synchronization signal (SSI 7).
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: June 30, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Pål Frenger, Erik Eriksson, Martin Hessler
  • Patent number: 10701659
    Abstract: A method performed by a User Equipment, UE, for handling Tracking Area, TA, information for the UE is provided. The UE operates in a wireless communications network. The UE obtains (401) a TA configuration comprising a list of allowed Tracking Area Codes, TACs, for the UE. The UE obtains (402) a first TAC and a first Tracking Area Part code, TAP. The first TAC relates to a TA. The TA comprises a number of TA parts, each TA part being associated with a TAP. The UE determines (403) a second TAC based on a combination the first TAC and the first TAP. When the second TAC is not in the list comprised in the TA configuration, the UE requests (404) updated TA information.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: June 30, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Pål Frenger, Fredrik Gunnarsson, Martin Hessler
  • Publication number: 20200196228
    Abstract: The proposed technology relates to accessing wireless networks and in particular it relates to utilizing a second wireless network for enabling a wireless device, being unable to access a first wireless network, to access a first wireless network, One aspect of the proposed technology relates to a method performed in a wireless device being unable to access a first wireless network. The method comprises accessing a second wireless network and sending information indicating an inability to access the first wireless network to the second wireless network, for further distribution to the first wireless network. Thereby, the proposed method enables the first wireless network to reconfigure at least one access procedure parameter in the first wireless network in order to improve the conditions for the wireless device when accessing the first wireless network. The method further comprises accessing the first wireless network utilizing at least one reconfigured access procedure.
    Type: Application
    Filed: January 30, 2020
    Publication date: June 18, 2020
    Inventors: Andreas BERGSTRÖM, Martin HESSLER, Eric NORDSTRÖM, Paul SCHLIWA-BERTLING
  • Patent number: 10686563
    Abstract: Methods and systems for partial retransmission are provided. According to one aspect, a method for receiving, at a receiver, a partial retransmission from a sender, comprises: receiving a control information message indicating a second transmission to be received, the second transmission comprising retransmitted data, the retransmitted data comprising a retransmission of a portion of a first transmission; receiving the second transmission; determining, based on a mapping indicator, a location of the retransmitted data within the second transmission; and decoding the retransmitted data at the determined location within the second transmission. The mapping indicator may be received as part of the control information message or may be received separately from the control information message. In one embodiment, the combination of the control information and the mapping indicator indicates what portions of the first transmission are being retransmitted and where they are located within the second transmission.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 16, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jonas Fröberg Olsson, Simon Sörman, Martin Hessler
  • Publication number: 20200186296
    Abstract: Methods and systems for partial retransmission are provided. According to one aspect, a method for receiving, at a receiver, a partial retransmission from a sender, comprises: receiving a control information message indicating a second transmission to be received, the second transmission comprising retransmitted data, the retransmitted data comprising a retransmission of a portion of a first transmission; receiving the second transmission; determining, based on a mapping indicator, a location of the retransmitted data within the second transmission; and decoding the retransmitted data at the determined location within the second transmission. The mapping indicator may be received as part of the control information message or may be received separately from the control information message. In one embodiment, the combination of the control information and the mapping indicator indicates what portions of the first transmission are being retransmitted and where they are located within the second transmission.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Inventors: Jonas Fröberg Olsson, Simon Sörman, Martin Hessler
  • Publication number: 20200177339
    Abstract: There is disclosed a method of operating a radio node in a radio access network. The method includes configuring a user equipment with a signaling configuration message, the signaling configuration message indicating a parametrisation pertaining to reference signaling to be transmitted by the user equipment and to communication signaling to be received by the user equipment. The disclosure also pertains to related devices and methods.
    Type: Application
    Filed: July 25, 2017
    Publication date: June 4, 2020
    Inventors: Martin HESSLER, Robert BALDEMAIR
  • Patent number: 10673589
    Abstract: A cellular network supports radio communication based on a first configuration which organizes a time-frequency space in first resource elements and radio communication based on a second configuration which organizes the time-frequency space in second resource elements and assigns at least one of the second resource elements to a utilization which is in conflict with the radio communication based on the first configuration. A node of the cellular network sends an indication to a communication device. The indication comprises time domain and/or frequency domain information for defining a pattern comprising at least one of the first resource elements which is to be disregarded by the communication device when performing radio communication with the cellular network based on the first configuration and/or the second configuration.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: June 2, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Jonas Fröberg Olsson, Andreas Bergström, Erik Eriksson, Pål Frenger, Martin Hessler
  • Patent number: 10660045
    Abstract: A method is disclosed of a first wireless communication apparatus of a communication system operating in a hardened channel environment. The method comprises determining a transmission power to be used by a second wireless communication apparatus of the communication system for transmission of a signal carrying control information, participating in communication involving the signal transmitted using the determined transmission power, and using the determined transmission power to discriminate between the second wireless communication apparatus and one or more third wireless communication apparatus. The second and one or more third wireless communication apparatuses may be comprised in respective user equipments of a plurality of user equipments associated with a network node of the communication system. The first wireless communication apparatus may be comprised in the network node.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: May 19, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Pål Frenger, Emil Björnson, Martin Hessler, Erik G. Larsson
  • Patent number: 10659128
    Abstract: Embodiments herein relate to a method performed by wireless device for applying a Channel State Information, CSI, filtering in a wireless communication network. The wireless device determines a recommended CSI filtering based on measurements of one or more received reference signals from a radio network node. The wireless device transmits, to the radio network node, a first indication of the determined recommended CSI filtering. The wireless device receives, from the radio network node or another radio network node, a first configuration of CSI filtering; and uses the received first configuration for applying CSI filtering.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: May 19, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mirsad Cirkic, Jonas Fröberg Olsson, Martin Hessler
  • Publication number: 20200153580
    Abstract: There is disclosed a transmitting node for a Radio Access Network, the transmitting node being adapted for transmitting, based on one or more transmission parameters, of reference signaling, and/or signaling including reference signaling, wherein the reference signaling comprises phase tracking reference signaling, and the one or more transmission parameters comprise a Modulation and Coding Scheme (MCS).
    Type: Application
    Filed: November 13, 2019
    Publication date: May 14, 2020
    Inventors: Martin Hessler, Mattias Frenne, Peter Hammarberg, Lars Lindbom, Vicent Molés Cases, Zhao Wang
  • Publication number: 20200153589
    Abstract: A user equipment (910) is provided for use in a cellular network. The user equipment includes a transceiver (1010), a processor (1020), and a memory (1030). The user equipment (910 is configured to determine, for a data transmission a mapping form a demodulation reference signal (DMRS) to a PNT-RS. A DMRS resulting signal is generated from a subset of DMRS for a first resource element in a subcarrier. The DMRS resulting signal is copied from the first resource element to a second resource element assigned to the PNT-RS in the subcarrier. The data transmission is transmitted using the DMRS resulting signal and the PNT-RS.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 14, 2020
    Inventors: Martin Hessler, Robert BALDEMAIR, Lars LINDBOM, Henrik SAHLIN, Niclas WIBERG
  • Publication number: 20200154507
    Abstract: The present disclosure provides a control channel monitoring method at a UE, comprising: monitoring only a first type of control channel in a first state of the UE; if first control information which indicates data required by the UE in the first state on a data channel is detected on the first type of control channel, decoding the first control information in order to obtain the data required by the UE in the first state on the data channel; and monitoring only a second type of control channel when the UE is in a second state which is transited from the first state. The present disclosure also provides a corresponding UE, a control channel configuration and transmission method at a network node, and a corresponding network node.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 14, 2020
    Inventors: Rui FAN, Pàl FRENGER, Martin HESSLER