Patents by Inventor Dennis Hui

Dennis Hui 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).

  • DMRS FOR MMW RAN
    Publication number: 20230147504
    Abstract: There is disclosed a method of operating a transmitting node in a millimeter-wave communication network. The method includes transmitting communication signaling in a transmission timing structure, the communication signaling including leading reference signaling in a leading time interval at the beginning of the transmission timing structure and including trailing reference signaling in a trailing time interval at the end of the timing structure. The leading reference signaling starts with a first reference signaling time-domain sequence, and the trailing reference signaling ending with the first reference time-domain signaling sequence. The disclosure also pertains to related devices and methods.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 11, 2023
    Inventors: Robert BALDEMAIR, Mehrnaz AFSHANG, Rikke APELFROJD, Jung-Fu CHENG, Ning HE, Dennis HUI, Stefan PARKVALL
  • UPO compliant information sequences for polar codes
    Patent number: 11632138
    Abstract: According to some embodiments, a method of operation of a transmit node in a wireless communication system comprises performing polar encoding of a set of K information bits to thereby generate a set of polar-encoded information bits. The K information bits are mapped to the first K bit locations in an information sequence SN. The information sequence SN is a ranked sequence of N information bit locations among a plurality of input bits for the polar encoding where N is equivalent to a code length. A size of the information sequence SN is greater than or equal to K. The information sequence SN is optimized for the specific value of the code length (N). The method may further comprise transmitting the set of polar-encoded information bits.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: April 18, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dennis Hui, Yufei Blankenship, Michael Breschel
  • Network Architecture, Methods, and Devices for a Wireless Communications Network
    Publication number: 20230109947
    Abstract: Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.
    Type: Application
    Filed: June 8, 2022
    Publication date: April 13, 2023
    Inventors: Stefan Parkvall, Janne Peisa, Gunnar Mildh, Robert Baldemair, Stefan Wager, Jonas Kronander, Karl Werner, Richard Abrahamsson, Ismet Aktas, Peter Alriksson, Junaid Ansari, Shehzad Ali Ashraf, Henrik Asplund, Fredrik Athley, Håkan Axelsson, Joakim Axmon, Johan Axnäs, Kumar Balachandran, Gunnar Bark, Jan-Erik Berg, Andreas Bergström, Håkan Björkegren, Nadia Brahmi, Cagatay Capar, Anders Carlsson, Andreas Cedergren, Mikael Coldrey, Icaro L. J. da Silva, Erik Dahlman, Ali El Essaili, Ulrika Engström, Mårten Ericson, Erik Eriksson, Mikael Fallgren, Rui Fan, Gabor Fodor, Pål Frenger, Jonas Fridén, Jonas Fröberg Olsson, Anders Furuskär, Johan Furuskog, Virgile Garcia, Ather Gattami, Fredrik Gunnarsson, Ulf Gustavsson, Bo Hagerman, Fredrik Harrysson, Ning He, Martin Hessler, Kimmo Hiltunen, Songnam Hong, Dennis Hui, Jörg Huschke, Tim Irnich, Sven Jacobsson, Niklas Jaldén, Simon Järmyr, Zhiyuan Jiang, Martin Johansson, Niklas Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landström, Christina Larsson, Gen Li, Bo Lincoln, Lars Lindbom, Robert Lindgren, Bengt Lindoff, Fredrik Lindqvist, Jinhua Liu, Thorsten Lohmar, Qianxi Lu, Lars Manholm, Ivana Maric, Jonas Medbo, Qingyu Miao, Reza Moosavi, Walter Müller, Elena Myhre, Johan Nilsson, Karl Norrman, Bengt-Erik Olsson, Torgny Palenius, Sven Petersson, Jose Luis Pradas, Mikael Prytz, Olav Queseth, Pradeepa Ramachandra, Edgar Ramos, Andres Reial, Thomas Rimhagen, Emil Ringh, Patrik Rugeland, Johan Rune, Joachim Sachs, Henrik Sahlin, Vidit Saxena, Nima Seifi, Yngve Selén, Eliane Semaan, Sachin Sharma, Cong Shi, Johan Sköld, Magnus Stattin, Anders Stjernman, Dennis Sundman, Lars Sundström, Miurel Isabel Tercero Vargas, Claes Tidestav, Sibel Tombaz, Johan Torsner, Hugo Tullberg, Jari Vikberg, Peter von Wrycza, Thomas Walldeen, Anders Wallén, Pontus Wallentin, Hai Wang, Ke Wang Helmersson, Jianfeng Wang, Yi-Pin Eric Wang, Niclas Wiberg, Emma Wittenmark, Osman Nuri Can Yilmaz, Ali Zaidi, Zhan Zhang, Zhang Zhang, Yanli Zheng
  • Transmitter for transmitting discovery signals, a receiver and methods therein
    Patent number: 11582684
    Abstract: A transmitter and a method therein for transmitting discovery signals to a receiver. The transmitter and the receiver are comprised in a radio communications system. The transmitter transmits two or more discovery signals over two or more directions. Each discovery signal is configured to span over a fraction of a carrier bandwidth.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: February 14, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Robert Baldemair, Kumar Balachandran, Dennis Hui
  • DMRS for MMW RAN
    Patent number: 11569960
    Abstract: There is disclosed a method of operating a transmitting node in a millimeter-wave communication network. The method includes transmitting communication signaling in a transmission timing structure, the communication signaling including leading reference signaling in a leading time interval at the beginning of the transmission timing structure and including trailing reference signaling in a trailing time interval at the end of the timing structure. The leading reference signaling starts with a first reference signaling time-domain sequence, and the trailing reference signaling ending with the first reference time-domain signaling sequence. The disclosure also pertains to related devices and methods.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: January 31, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Robert Baldemair, Mehrnaz Afshang, Rikke Apelfrojd, Jung-Fu Cheng, Ning He, Dennis Hui, Stefan Parkvall
  • Bit Order of NR PBCH Payload to Enhance Polar Code Performance
    Publication number: 20230027932
    Abstract: Systems and methods are described herein that allow information carrying bits of a transmission block to be placed at higher-reliability positions prior to transmission. An exemplary method includes generating a set of payload bits to be encoded for transmission, wherein the set of payload bits includes at least one known bit, interleaving the set of payload bits to generate an interleaved set of payload bits, wherein the interleaved set includes the at least one known bit in a predetermined position in the interleaved set, providing the interleaved set to a cyclic redundancy check (CRC) encoder to generate CRC-interleaved set of payload bits, wherein the CRC-interleaved set includes the at least one known bit in a predetermined position within the CRC-interleaved set, and encoding the CRC-interleaved set for transmission to a wireless device. Associated network nodes and wireless devices are included.
    Type: Application
    Filed: July 19, 2022
    Publication date: January 26, 2023
    Inventors: Anders Wesslén, Dennis Hui, Yufei Blankenship
  • Method of and apparatus for manufacturing at least one measuring cell
    Patent number: 11543379
    Abstract: A method of and an apparatus for manufacturing a measuring cell comprising a tube having a first end capped by a membrane of an ion-selective material, comprising the steps of: providing a paste comprising all constituents of the ion-selective material; mounting the tube onto a stick with a tip such that the stick extends through the tube; dispensing an amount of the paste onto the tip; heating the first end of the tube and the dispensed paste to a temperature causing the dispensed paste to melt and the thus-produced melt to form a film covering the tip and an end surface of the first end of the tube; transforming the film into the membrane joined to the tube by cooling the first end of the tube and the film to a temperature below a melting point of the ion-selective material; and separating the thus-manufactured measuring cell from the stick.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: January 3, 2023
    Assignee: Endress+Hauser Conducta Inc.
    Inventors: Jinshan Huo, Dennis Hui, Alden David
  • Method of manufacturing ion-selective membranes
    Patent number: 11536686
    Abstract: A method of manufacturing membranes consisting essentially of an ion-selective material is disclosed. The method comprises: providing a spreadable base material; dispensing a quantity of the base material onto a top side of a tray, wherein the top side includes a set of coplanar flat surface segments, each having a surface area corresponding to a disc area of one of the membranes to be manufactured, and wherein at least the top side of the tray consists essentially of a non-adhesive material; distributing the dispensed base material across the top side of the tray such that a thickness of the distributed base material covering the coplanar surface segments corresponds to a predetermined thickness; transforming the thus-distributed base material into ion-selective material comprising one or more coplanar sheets covering the coplanar surface segments; and removing individual membranes from the tray, each defining a disc-shaped section of the ion-selective material.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: December 27, 2022
    Assignee: Endress+Hauser Conducta Inc.
    Inventors: Jinshan Huo, Dennis Hui, Alden David
  • Enhanced information sequences for polar codes
    Patent number: 11515894
    Abstract: According to some embodiments, a method of operation of a transmit node in a wireless communication system comprises performing polar encoding of a set of K information bits to thereby generate a set of polar-encoded information bits. The K information bits are mapped to the first K bit locations in an information sequence SN. The information sequence SN is a ranked sequence of N information bit locations among a plurality of input bits for the polar encoding where N is equivalent to a code length. A size of the information sequence SN is greater than or equal to K. The information sequence SN is optimized for the specific value of the code length (N). The method may further comprise transmitting the set of polar-encoded information bits.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: November 29, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventor: Dennis Hui
  • Simple parity-check bit computation for polar codes
    Patent number: 11476873
    Abstract: Methods and systems described herein are directed to encoding information bits for transmission. The methods can include receiving a set of information bits (900) and determining a set of parity check bits (910). The set of information bits is concatenated with the set of parity check bits (920), and the information bits are polar encoded into a set of information bits and frozen bits (930). The encoded set of information bits is transmitted to a wireless receiver (940). In particular embodiments, each parity check bit in the set of parity check bits is the binary sum of the values of all bits in front of it. Other embodiments include generating a set of parity check bits based on a systematic block code on the least reliable bits of the set of information bits. The methods and systems described herein may be applied to 3GPP 5G mobile communication systems.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: October 18, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dennis Hui, Yufei Blankenship, Michael Breschel
  • Pulse-shaping signaling for high frequency radio networks
    Patent number: 11438198
    Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating utilising signaling, wherein communicating utilising signaling is based on performing pulse-shaping pertaining to the signaling, wherein pulse-shaping is based on a pulse-shaping indication. The disclosure also pertains to related devices and methods.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 6, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Robert Baldemair, Mehrnaz Afshang, Jung-Fu Cheng, Ning He, Dennis Hui, Stefan Parkvall
  • Scheduling-related DMRS for MMW ran
    Patent number: 11418305
    Abstract: There is disclosed a method of operating a transmitting node in a millimeter-wave communication network. The method comprises transmitting communication signaling in a transmission timing structure, the communication signaling comprising control signaling and data signaling, the communication signaling further comprising reference signaling common to the control signaling and data signaling. The disclosure also pertains to related devices and methods.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: August 16, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Robert Baldemair, Mehrnaz Afshang, Rikke Apelfrojd, Jung-Fu Cheng, Ning He, Dennis Hui, Stefan Parkvall
  • ERROR DETECTION IN COMMUNICATION SYSTEMS USING POLAR CODED DATA TRANSMISSION
    Publication number: 20220231703
    Abstract: A method of decoding a polar coded signal includes determining channel reliabilities for a plurality of polar coded bit channels in a data communication system including a plurality of frozen bit channels and non-frozen bit channels, selecting a frozen bit channel, calculating a likelihood value for a bit estimate associated with the frozen bit channel, generating a hard decision value for the bit estimate in response to the likelihood value, comparing the hard decision value for the bit estimate to a known value of a frozen bit transmitted on the frozen bit channel, in response to determining that the hard decision value for the bit estimate differs from the known value of the frozen bit transmitted on the frozen bit channel, updating an accumulated uncertainty, comparing the accumulated uncertainty to a threshold, and determining that a decoding error has occurred in response to the comparison.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 21, 2022
    Inventors: Dennis Hui, Yufei Blankenship
  • Bit order of NR PBCH payload to enhance polar code performance
    Patent number: 11394489
    Abstract: Systems and methods are described herein that allow information carrying bits of a transmission block to be placed at higher-reliability positions prior to transmission. An exemplary method includes generating a set of payload bits to be encoded for transmission, wherein the set of payload bits includes at least one known bit, interleaving the set of payload bits to generate an interleaved set of payload bits, wherein the interleaved set includes the at least one known bit in a predetermined position in the interleaved set, providing the interleaved set to a cyclic redundancy check (CRC) encoder to generate CRC-interleaved set of payload bits, wherein the CRC-interleaved set includes the at least one known bit in a predetermined position within the CRC-interleaved set, and encoding the CRC-interleaved set for transmission to a wireless device. Associated network nodes and wireless devices are included.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: July 19, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Anders Wesslén, Dennis Hui, Yufei Blankenship
  • Adaptive selection and efficient storage of information bit locations for polar codes
    Patent number: 11394398
    Abstract: According to certain embodiments, a method for use in a transmitter comprises selecting an information set or sequence of information sets for polar encoding. The information set or sequence of information sets are selected from a plurality of information sets based on one or more system parameters and/or one or more link measurements. The method further comprises performing polar encoding for a plurality of data bits to yield encoded data. The polar encoding is performed according to the selected information set or sequence of information sets. The method further comprises transmitting the encoded data to a receiver.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: July 19, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dennis Hui, Yufei Blankenship, Leefke Grosjean
  • Network architecture, methods, and devices for a wireless communications network
    Patent number: 11381445
    Abstract: Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: July 5, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Stefan Parkvall, Janne Peisa, Gunnar Mildh, Robert Baldemair, Stefan Wager, Jonas Kronander, Karl Werner, Richard Abrahamsson, Ismet Aktas, Peter Alriksson, Junaid Ansari, Shehzad Ali Ashraf, Henrik Asplund, Fredrik Athley, Håkan Axelsson, Joakim Axmon, Johan Axnäs, Kumar Balachandran, Gunnar Bark, Jan-Erik Berg, Andreas Bergström, Håkan Björkegren, Nadia Brahmi, Cagatay Capar, Anders Carlsson, Andreas Cedergren, Mikael Coldrey, Icaro L. J. da Silva, Erik Dahlman, Ali El Essaili, Ulrika Engström, Mårten Ericson, Erik Eriksson, Mikael Fallgren, Rui Fan, Gabor Fodor, Pål Frenger, Jonas Fridén, Jonas Fröberg Olsson, Anders Furuskär, Johan Furuskog, Virgile Garcia, Ather Gattami, Fredrik Gunnarsson, Ulf Gustavsson, Bo Hagerman, Fredrik Harrysson, Ning He, Martin Hessler, Kimmo Hiltunen, Songnam Hong, Dennis Hui, Jörg Huschke, Tim Irnich, Sven Jacobsson, Niklas Jaldén, Simon Järmyr, Zhiyuan Jiang, Martin Johansson, Niklas Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landström, Christina Larsson, Gen Li, Bo Lincoln, Lars Lindbom, Robert Lindgren, Bengt Lindoff, Fredrik Lindqvist, Jinhua Liu, Thorsten Lohmar, Qianxi Lu, Lars Manholm, Ivana Maric, Jonas Medbo, Qingyu Miao, Reza Moosavi, Walter Müller, Elena Myhre, Johan Nilsson, Karl Norrman, Bengt-Erik Olsson, Torgny Palenius, Sven Petersson, Jose Luis Pradas, Mikael Prytz, Olav Queseth, Pradeepa Ramachandra, Edgar Ramos, Andres Reial, Thomas Rimhagen, Emil Ringh, Patrik Rugeland, Johan Rune, Joachim Sachs, Henrik Sahlin, Vidit Saxena, Nima Seifi, Yngve Selén, Eliane Semaan, Sachin Sharma, Cong Shi, Johan Sköld, Magnus Stattin, Anders Stjernman, Dennis Sundman, Lars Sundström, Miurel Isabel Tercero Vargas, Claes Tidestav, Sibel Tombaz, Johan Torsner, Hugo Tullberg, Jari Vikberg, Peter Von Wrycza, Thomas Walldeen, Anders Wallén, Pontus Wallentin, Hai Wang, Ke Wang Helmersson, Jianfeng Wang, Yi-Pin Eric Wang, Niclas Wiberg, Emma Wittenmark, Osman Nuri Can Yilmaz, Ali Zaidi, Zhan Zhang, Zhang Zhang, Yanli Zheng
  • Random access preamble for minimizing PA backoff
    Patent number: 11368985
    Abstract: An example method in a user equipment comprises generating a random access preamble signal and transmitting the random access preamble signal. This generating of the random access preamble signal comprises generating a random access preamble signal comprising two or more consecutive preamble symbol groups, each preamble symbol group comprising a cyclic prefix portion and a plurality of identical symbols occupying a single subcarrier of the random access preamble signal. The single subcarrier for at least one of the preamble symbol groups corresponds to a first subcarrier frequency and the single subcarrier for an immediately subsequent one of the preamble symbol groups corresponds to a second subcarrier frequency.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: June 21, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Xingqin Lin, Ansuman Adhikary, Asbjörn Grövlen, Dennis Hui, Niklas Johansson, Yutao Sui, Mårten Sundberg, Yi-Pin Eric Wang
  • Soft decoding of rate-compatible polar codes
    Patent number: 11349502
    Abstract: A node receives transmissions associated with a given set of information bits, wherein each of the transmissions use a different polar code and share one or more information bits of the given set of information bits. The node determines, at each of a plurality of polar decoders of the node, soft information for each information bit included in an associated one of the transmissions, wherein each of the plurality of polar decoders is associated with a different transmission of the transmissions. The node provides, from each polar decoder of the plurality to one or more other polar decoders of the plurality, the determined soft information for any information bits shared by their respective associated transmissions, and uses the provided soft information in an iterative decoding process to decode one or more of the received transmissions.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: May 31, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Dennis Hui, Mattias Andersson, Yufei Blankenship, Ivana Maric
  • DMRS structure for MMW RAN
    Patent number: 11349621
    Abstract: There is disclosed a method of operating a transmitting node in a millimeter-wave communication network. The method includes transmitting communication signaling in a transmission timing structure, the communication signaling including control signaling and data signaling, the communication signaling further comprising reference signaling common to the control signaling and data signaling. The disclosure also pertains to related devices and methods.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 31, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Robert Baldemair, Mehrnaz Afshang, Rikke Apelfrojd, Jung-Fu Cheng, Ning He, Dennis Hui, Stefan Parkvall
  • Spatially coupled polar codes
    Patent number: 11349598
    Abstract: A method in a node (110, 115) comprises generating (604) a plurality of constituent polar codes, each of the plurality of constituent polar codes having an associated block length and an associated set of information bits. The method comprises coupling (608) at least a portion of the sets of information bits associated with each of the plurality of constituent polar codes to generate a spatially coupled polar code. The method comprises encoding (612) a wireless transmission using the spatially coupled polar code.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 31, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Dennis Hui, Yufei Blankenship, Songnam Hong, Ivana Maric