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).

  • SOFT DECODING OF RATE-COMPATIBLE POLAR CODES
    Publication number: 20210119648
    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: Application
    Filed: November 3, 2020
    Publication date: April 22, 2021
    Inventors: Dennis Hui, Mattias Andersson, Yufei Blankenship, Ivana Maric
  • ENHANCED INFORMATION SEQUENCES FOR POLAR CODES
    Publication number: 20210111739
    Abstract: Systems and methods are disclosed for performing polar encoding of a number of information bits for transmission in a wireless communication system in a manner that is optimized for a specific code length. In 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 where the K information bits are mapped to the first K information bit locations specified in an information sequence SN which 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, and the information sequence SN is optimized for a specific value of the code length N.
    Type: Application
    Filed: July 11, 2018
    Publication date: April 15, 2021
    Inventors: Dennis Hui, Leefke Grosjean
  • SCHEDULING-RELATED DMRS FOR MMW RAN
    Publication number: 20210083823
    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: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Inventors: Robert BALDEMAIR, Mehrnaz AFSHANG, Rikke APELFROJD, Jung-Fu CHENG, Ning HE, Dennis HUI, Stefan PARKVALL
  • Information bits for polar codes with mixed criteria
    Patent number: 10944511
    Abstract: According to some embodiments, a method performed by a wireless device for polar encoding payload bits comprises: identifying payload bits of a data channel that have known values; placing a first subset of the known payload bits at input positions of a polar encoder that correspond to the earliest decoding bit positions of the polar encoder; placing a second subset of the known payload bits at input positions of the polar encoder that correspond to the least reliable decoding bit positions of the polar encoder after placement of the first subset of the known payload bits; and transmitting the polar encoded payload bits to a wireless receiver. The first subset of the known payload bits are placed in earliest decoding bit positions to improve early termination gain. The second subset of the known payload bits are placed in least reliable decoding bit positions to enhance error performance.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: March 9, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dennis Hui, Yufei Blankenship, Anders Wesslén
  • Network architecture, methods, and devices for a wireless communications network
    Patent number: 10938497
    Abstract: Methods and apparatus in a fifth-generation wireless communications, including an example method, in a wireless device, that includes receiving a downlink signal comprising an uplink access configuration index, using the uplink access configuration index to identify an uplink access configuration from among a predetermined plurality of uplink access configurations, and transmitting to the wireless communications network according to the identified uplink access configuration. The example method further includes, in the same wireless device, receiving, in a first subframe, a first Orthogonal Frequency-Division Multiplexing (OFDM) transmission formatted according to a first numerology and receiving, in a second subframe, a second OFDM transmission formatted according to a second numerology, the second numerology differing from the first numerology. Variants of this method, corresponding apparatuses, and corresponding network-side methods and apparatuses are also disclosed.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: March 2, 2021
    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, Niklas Johansson, Martin Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landstrom, Christina Larsson, Gen Li, 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, 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, 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
  • Systems and methods for rate-compatible polar codes for general channels
    Patent number: 10917194
    Abstract: According to certain embodiments, a transmit node in a wireless communications system includes a first universal rate-compatible polar encoder and a transmitter. The first universal rate-compatible polar encoder is configured for a family of two or more types of channels and encodes a plurality of information bits to provide a plurality of coded bits. The transmitter transmits the plurality of coded bits to a receive node.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: February 9, 2021
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Marco Mondelli, Hamed Hassani, Ivana Maric, Songnam Hong, Dennis Hui
  • ALTERATION OF SUCCESSIVE CANCELLATION ORDER IN DECODING OF POLAR CODES
    Publication number: 20210021844
    Abstract: Systems and methods for performing polar decoding using a transformation of the coded bits prior to polar decoding and an inverse transformation of the resulting data bits after polar decoding are disclosed. In some embodiments, a method of operation of a receiving node to perform polar decoding comprises transforming a received code bit vector yN in accordance with a transformation TN to thereby provide a transformed code bit vector Y?N=YNTN, performing polar decoding of the transformed code bit vector y?N to thereby provide a transformed data bit vector v?N, and inversely transforming the transformed data bit vector v?N in accordance with an inverse transformation TN?1 to thereby provide an estimated data bit vector vN=v?NTN?1. In some embodiments, the transformation TN re-orders coded bits in the coded bit vector yN such that some future frozen bit(s) are swapped in front of some information bit(s) prior to performing polar decoding.
    Type: Application
    Filed: February 5, 2018
    Publication date: January 21, 2021
    Inventors: Dennis Hui, Yufei Blankenship
  • Scheduling-related DMRS for mmW RAN
    Patent number: 10868651
    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: May 20, 2019
    Date of Patent: December 15, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Robert Baldemair, Mehrnaz Afshang, Rikke Apelfrojd, Jung-Fu Cheng, Ning He, Dennis Hui, Stefan Parkvall
  • Control Signaling Structure
    Publication number: 20200374066
    Abstract: There is disclosed a method of operating a transmitting node in a millimeter-wave communication network. The method includes transmitting millimeter-wave signaling in a transmission timing structure, the transmission timing structure including N time interval elements sequentially ordered in time, the millimeter-wave signaling including N separate signaling structures, each signaling structure being transmitted in a different one of the time interval elements. N is an integer multiple of 2. A first subset of the N separate signaling structures corresponds to control signaling, the subset including 2{circumflex over (?)}m signaling structures consecutive in time beginning with the signaling structure of the first time interval element, and m is an integer such that 2{circumflex over (?)}m<=N. A second subset of the N separate signaling structures corresponds to data signaling, the second subset comprising 0 or an integer number of signaling structures.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 26, 2020
    Inventors: Robert BALDEMAIR, Mehrnaz AFSHANG, Rikke APELFROJD, Jung-Fu CHENG, Ning HE, Dennis HUI, Stefan PARKVALL
  • DMRS FOR MMW RAN
    Publication number: 20200374164
    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: May 20, 2019
    Publication date: November 26, 2020
    Inventors: Robert BALDEMAIR, Mehrnaz AFSHANG, Rikke APELFROJD, Jung-Fu CHENG, Ning HE, Dennis HUI, Stefan PARKVALL
  • HIGH FREQUENCY WIRELESS COMMUNICATION NETWORK
    Publication number: 20200374856
    Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a first set of one or more signaling beams, wherein communicating includes performing beamforming for one or more signaling beams of the first set based on a set of beam signaling characteristics. Each beam signaling characteristic pertains to a reference beam. The disclosure also pertains to related devices and methods.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 26, 2020
    Inventors: Muris SARAJLIC, Ning HE, Dennis HUI, Joao VIEIRA
  • TRANSMISSION STRUCTURE FOR MMW RAN
    Publication number: 20200374055
    Abstract: There is disclosed a method of operating a transmitting node in a millimeter-wave communication network. The method includes transmitting millimeter-wave signaling in a transmission timing structure. The transmission timing structure includes N time interval elements sequentially ordered in time. The millimeter-wave signaling includes N separate signaling structures, each signaling structure being transmitted in a different one of the time interval elements; N being an integer multiple of 2. A first subset of the N separate signaling structures corresponds to control signaling, wherein the subset includes 2{circumflex over (?)}m signaling structures consecutive in time beginning with the signaling structure of the first time interval element; m being an integer such that 2{circumflex over (?)}m<=N. A second subset of the N separate signaling structures corresponds to data signaling. The second subset comprises 0 or an integer number of signaling structures.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 26, 2020
    Inventors: Robert BALDEMAIR, Mehrnaz AFSHANG, Rikke APELFROJD, Jung-Fu CHENG, Ning HE, Dennis HUI, Stefan PARKVALL
  • FREQUENCY ALLOCATION FOR WIRELESS COMMUNICATION NETWORKS
    Publication number: 20200374879
    Abstract: There is disclosed a method of operating an allocating radio node in a wireless communication network, the method comprising allocating, to a second radio node, a frequency range for communication, the frequency range being part of an operating bandwidth of the second radio node, the frequency range comprising an integer number S of subcarriers, the number S of subcarriers corresponding to a value of a limitation relation applied to a fraction of the operating bandwidth, the fraction corresponding to N1/N2, wherein N1 and N2 are integers and N1 is smaller than N2. The disclosure also pertains to related devices and methods.
    Type: Application
    Filed: May 22, 2019
    Publication date: November 26, 2020
    Inventors: Robert BALDEMAIR, Dennis HUI
  • DMRS STRUCTURE FOR MMW RAN
    Publication number: 20200374080
    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: Application
    Filed: May 20, 2019
    Publication date: November 26, 2020
    Inventors: Robert BALDEMAIR, Mehrnaz AFSHANG, Rikke APELFROJD, Jung-Fu CHENG, Ning HE, Dennis HUI, Stefan PARKVALL
  • SCHEDULING-RELATED DMRS FOR MMW RAN
    Publication number: 20200374065
    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: Application
    Filed: May 20, 2019
    Publication date: November 26, 2020
    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: 20200358556
    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 28, 2020
    Publication date: November 12, 2020
    Inventors: Anders Wesslén, Dennis Hui, Yufei Blankenship
  • Soft decoding of rate-compatible polar codes
    Patent number: 10826540
    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: June 25, 2019
    Date of Patent: November 3, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Dennis Hui, Mattias Andersson, Yufei Blankenship, Ivana Maric
  • Methods and Devices for Puncturing a Polar Code
    Publication number: 20200321986
    Abstract: Methods and devices for puncturing of a polar code in a wireless network, wherein nested puncturing sets are determined based on a puncturing order which is determined based on a reliability order of information bit channels, so that only one index sequence needs to be stored for both the determination of the information set and the determination of the punctured set and so that puncturing does not require to adjust the information set at error prone indexes corresponding to puncturing indexes. The puncturing order might start with indexes corresponding to high reliability bit channels or to low reliability bit channels.
    Type: Application
    Filed: March 23, 2018
    Publication date: October 8, 2020
    Inventors: Dennis Hui, Yufei Blankenship, Michael BRESCHEL
  • Simple Parity-Check Bit Computation for Polar Codes
    Publication number: 20200313697
    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: Application
    Filed: October 10, 2018
    Publication date: October 1, 2020
    Inventors: Dennis Hui, Yufei BLANKENSHIP, Michael BRESCHEL
  • CRC Interleaving Pattern for Polar Codes
    Publication number: 20200304151
    Abstract: According to some embodiments, a method of operation of a wireless transmitter in a wireless communication network comprises: encoding a set of information carrying data bits u of length K with a linear outer code to generate a set of outer parity bits p along with the data bits u; interleaving the set of outer parity bits p and the data bits u using a predetermined interleaving mapping function that depends on the number of data bits K and is operable to distribute some bits of the set of parity bits p in front of some data bits u; and encoding the interleaved bits using a Polar encoder to generate a set of encoded bits x. Various interleaving mapping functions are disclosed.
    Type: Application
    Filed: September 12, 2018
    Publication date: September 24, 2020
    Inventors: Dennis HUI, Yufei BLANKENSHIP, Michael BRESCHEL, Anders WESSLÉN