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).

  • INCREMENTAL REDUNDANCY AND VARIATIONS FOR POLAR CODES
    Publication number: 20200067529
    Abstract: Methods of transmitting blocks of incremental redundant coded bits are provided. Methods include concatenating, using an outer encoder, bits of an input bit vector to an outer encoded bit vector that has fewer bits than the input bit vector, wherein the outer encoded bit vector includes a mixture of information bits from the input bit vector. Methods include encoding the outer encoded bit vector into inner encoded data that is mapped to multiple data transmission channels that each include a channel reliability value. A first portion of the data transmission channels is used to transmit information bits corresponding to the outer encoded bit vector and a second portion of the data transmission channels is used to transmit frozen bits that include no information.
    Type: Application
    Filed: November 10, 2017
    Publication date: February 27, 2020
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dennis HUI, Yufei BLANKENSHIP
  • Adaptive CRC Length for Beam Sweeping
    Publication number: 20200067640
    Abstract: According to some embodiments, a method for use in a wireless transmitter of adaptive cyclic redundancy check (CRC) length selection comprises: obtaining a system parameter related to a number of beam sweeps used by the wireless transmitter for transmitting a wireless signal; selecting a CRC length based on the obtained system parameter; selecting a CRC polynomial of the selected length; generating CRC bits from time-dependent or time-independent information bits using the CRC polynomial; concatenating the generated CRC bits with the time-dependent or time-independent information bits; encoding the concatenated bits; and transmitting the encoded bits to a wireless receiver. The system parameter may comprise: a carrier frequency; a number of transmit antenna elements; a number of receive antenna elements; a transmitter antenna azimuth configuration; a transmitter antenna elevation configuration; an antenna polarization type; a beam scanning algorithm; and a cell type.
    Type: Application
    Filed: May 11, 2018
    Publication date: February 27, 2020
    Inventors: Dennis HUI, Yufei BLANKENSHIP, Anders WESSLÉN
  • CODING AND DECODING OF A POLAR CODE CONCATENATED WITH INTERLEAVING WITH AN OUTER SYSTEMATIC CODE
    Publication number: 20200067642
    Abstract: Systems and methods related to concatenated polar encoding with interleaving are disclosed. In some embodiments, a method of operation of a radio node to perform encoding of a plurality of data bits for transmission by the radio node comprises encoding a plurality of data bits using a linear encoder to provide a first plurality of coded bits, where the first plurality of coded bits comprises a plurality of parity bits and the plurality of data bits. The method further comprises interleaving the first plurality of coded bits in accordance with an interleaving mapping to provide a plurality of interleaved bits and encoding the plurality of interleaved bits using a polar encoder to provide a second plurality of coded bits to be transmitted by the radio node.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Inventors: Dennis Hui, Yufei Blankenship
  • Transmission and reception in a determined third set of time-frequency resources
    Patent number: 10574410
    Abstract: A method performed by a first communication node (511) in communication with a second communication node (512). The second node (512) is a receiver or transmitter of data in a frame (800). The frame (800) comprises one first set of time-frequency resources (801) reserved for control information, and a second set of time-frequency resources (802) reserved for data. The first node (511) determines that a third set (803) is to be used for communication of information with a third communication node (513). The information is control information, data information, or one or more signals related to one or more measurement procedures. The first node (511) determines a direction of communication in the third set (803), based on the information to be communicated. The first node (511) performs transmission or reception to or from the third node (513) in the determined direction, and in the third set (803).
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: February 25, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Ning He, Johan Axnäs, Robert Baldemair, Dennis Hui, Stefan Parkvall
  • Network Architecture, Methods, and Devices for a Wireless Communications Network
    Publication number: 20200028745
    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: May 16, 2019
    Publication date: January 23, 2020
    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
  • Soft Output Decoding of Polar Codes
    Publication number: 20200028522
    Abstract: According to certain embodiments, a method is provided for generating soft information for code bits of polar codes. The method includes receiving, by a decoder of a receiver, soft information associated with coded bits from a first module of the receiver and using a tree structure of the polar code to generate updated soft information. The updated soft information is output by the decoder for use by a second module of the receiver.
    Type: Application
    Filed: September 30, 2017
    Publication date: January 23, 2020
    Inventors: Dennis HUI, Yufei BLANKENSHIP
  • Full-duplex power reporting
    Patent number: 10530556
    Abstract: There is disclosed a method for operating a wireless device of a wireless communication network, the wireless device being capable of full-duplex communication, FD communication, on one or more carriers, FD carriers. The method comprises determining a power report indicating transmission power available to the wireless device for FD communication on one or more of the FD carriers and providing the power report to the wireless communication network. Moreover, there are disclosed corresponding and complementary methods and devices.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: January 7, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Muhammad Kazmi, Gabor Fodor, Dennis Hui
  • Concatenated Polar Code with Adaptive Error Detection
    Publication number: 20190379404
    Abstract: According to certain embodiments, a method by a transmitter is provided for adaptively generating precoder bits for a Polar code. The method includes acquiring at least one configuration parameter upon which a total number of precoder bits depends. The at least one configuration parameter comprising at least one of an information block length K, a code block length N, and/or a code rate R=K/N. The total number of precoder bits is determined, and the precoder bits for a code block are generated according to the determined total number of precoder bits. The precoder bits are placed within the code block.
    Type: Application
    Filed: February 6, 2018
    Publication date: December 12, 2019
    Inventors: Yufei BLANKENSHIP, Dennis HUI
  • Coding and decoding of a polar code concatenated with interleaving with an outer systematic code
    Patent number: 10498490
    Abstract: Systems and methods related to concatenated polar encoding with interleaving are disclosed. In some embodiments, a method of operation of a radio node to perform encoding of a plurality of data bits for transmission by the radio node comprises encoding a plurality of data bits using a linear encoder to provide a first plurality of coded bits, where the first plurality of coded bits comprises a plurality of parity bits and the plurality of data bits. The method further comprises interleaving the first plurality of coded bits in accordance with an interleaving mapping to provide a plurality of interleaved bits and encoding the plurality of interleaved bits using a polar encoder to provide a second plurality of coded bits to be transmitted by the radio node.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: December 3, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dennis Hui, Yufei Blankenship
  • Transmitter for transmitting discovery signals, a receiver and methods therein
    Patent number: 10499324
    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 20, 2018
    Date of Patent: December 3, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Robert Baldemair, Kumar Balachandran, Dennis Hui
  • MAC PROTOCOL FOR DIRECTIVE TRANSMISSIONS
    Publication number: 20190349990
    Abstract: The disclosure relates to radio access systems, and more specifically to methods for media access in radio access systems. The disclosure relates to a method, performed in a first node 20b, 20c, 20d in a wireless communication system, of accessing a shared media for directive signal transmission from the first node, the method comprises three steps. The first step is receiving, from a second node, a pilot signal announcing a directive signal transmission to or from the second node. The second step is predicting based on information in the received pilot signal, a collision rate between an intended directive signal transmission from the first node and the announced directive signal transmission, the information defining the channel resources used by the announced directive signal transmission and the third step is accessing the shared media based on the predicted collision rate.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 14, 2019
    Inventors: Robert BALDEMAIR, Jonas KRONANDER, Dennis HUI, Kumar BALACHANDRAN, Nadia BRAHMI
  • MAC PROTOCOL FOR DIRECTIVE TRANSMISSIONS
    Publication number: 20190349989
    Abstract: The disclosure relates to radio access systems, and more specifically to methods for media access in radio access systems. The disclosure relates to a method, performed in a first node 20b, 20c, 20d in a wireless communication system, of accessing a shared media for directive signal transmission from the first node, the method comprises three steps. The first step is receiving, from a second node, a pilot signal announcing a directive signal transmission to or from the second node. The second step is predicting based on information in the received pilot signal, a collision rate between an intended directive signal transmission from the first node and the announced directive signal transmission, the information defining the channel resources used by the announced directive signal transmission and the third step is accessing the shared media based on the predicted collision rate.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 14, 2019
    Inventors: Robert BALDEMAIR, Jonas KRONANDER, Dennis HUI, Kumar BALACHANDRAN, Nadia BRAHMI
  • Rate-compatible polar codes
    Patent number: 10461779
    Abstract: Systems and methods are disclosed herein relating to rate-compatible polar codes and the use thereof in a wireless communications system. In some embodiments, a transmit node operable for use in a wireless communications system comprises a rate-compatible polar encoder operable to encode information bits to provide coded bits utilizing parallel concatenated polar codes. The transmit node further comprises a transmitter operable to transmit the plurality of coded bits. In this manner, the transmit node may, in some embodiments, use polar codes having different coding rates to adapt to time-varying channel conditions.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: October 29, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Songnam Hong, Dennis Hui, Ivana Marić
  • SOFT DECODING OF RATE-COMPATIBLE POLAR CODES
    Publication number: 20190319647
    Abstract: A node (110, 115) receives (804) 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 (808), at each of a plurality of polar decoders (505, 605) 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 (812), 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 (816) the provided soft information in an iterative decoding process to decode one or more of the received transmissions.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 17, 2019
    Inventors: Dennis Hui, Mattias Andersson, Yufei Blankenship, Ivana Maric
  • CODING TECHNIQUE FOR MULTI-STAGE CONTROL INFORMATION
    Publication number: 20190306838
    Abstract: Systems and methods for multi-stage downlink control information transmission in a manner that supports existing polar codes are provided. In some embodiments, a method of operation of a radio access node in a cellular communications network to transmit multi-stage downlink control information comprises transmitting a first part of a multi-stage downlink control information in a first Orthogonal Frequency Division Multiplexing (OFDM) symbol and transmitting a second part of the multi-stage downlink control information in a second OFDM symbol that is subsequent to the first OFDM symbol. Cyclic Redundancy Check (CRC) bits are attached to the first part of the multi-stage downlink control information and/or CRC bits are attached to the second part of the multi-stage downlink control information. In some embodiments, the first part and/or the second part of the multi-stage downlink control information is encoded using a polar encoder.
    Type: Application
    Filed: December 26, 2017
    Publication date: October 3, 2019
    Inventors: Dennis Hui, Yufei Blankenship
  • Method for improving data throughput in wireless networks
    Patent number: 10412654
    Abstract: The proposed layer solution defines two or more layers of relay nodes to convey traffic data from a source node to a destination node. All of the nodes in a given layer were selected for that layer because they each satisfied a signal quality requirement specified for that layer, where all relay nodes defined in one layer simultaneously start transmitting in response to a received transmission. Due to the layered approach, the destination node may be configured to decode only the traffic data relayed by the relay nodes in the immediately preceding (final) layer while treating any remaining received signals as noise. As a result, only those access nodes most likely to significantly contribute to and improve the signal quality of traffic data received at the destination node are selected as relay nodes for a particular source-destination node pair.
    Type: Grant
    Filed: February 17, 2014
    Date of Patent: September 10, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Ivana Maric, Dennis Hui
  • Adaptive relay schemes and virtual full-duplex relay operation
    Patent number: 10396970
    Abstract: A wireless communication system comprises a source node, a destination node, and a plurality of half-duplex relay nodes disposed between the source node and the destination node. The half-duplex relay nodes are configured in two disjoint paths each comprising an equal number of hops from the source node to the destination node. The source node is configured to alternately transmit information via the two disjoint paths in alternating time slots, and the destination node is configured to alternately receive information via the two disjoint paths in alternating time slots.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: August 27, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Dennis Hui, Ivana Maric, Songnam Hong
  • MAC protocol for directive transmissions
    Patent number: 10397951
    Abstract: The disclosure relates to radio access systems, and more specifically to methods for media access in radio access systems. The disclosure relates to a method, performed in a first node in a wireless communication system, of accessing a shared media for directive signal transmission from the first node, the method comprises three steps. The first step is receiving, from a second node, a pilot signal announcing a directive signal transmission to or from the second node. The second step is predicting based on information in the received pilot signal, a collision rate between an intended directive signal transmission from the first node and the announced directive signal transmission, the information defining the channel resources used by the announced directive signal transmission and the third step is accessing the shared media based on the predicted collision rate.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: August 27, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Robert Baldemair, Jonas Kronander, Dennis Hui, Kumar Balachandran, Nadia Brahmi
  • ERROR DETECTION IN COMMUNICATION SYSTEMS USING POLAR CODED DATA TRANSMISSION
    Publication number: 20190260391
    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: November 10, 2017
    Publication date: August 22, 2019
    Inventors: Dennis Hui, Yufei Blankenship
  • BIT ORDER OF NR PBCH PAYLOAD TO ENHANCE POLAR CODE PERFORMANCE
    Publication number: 20190253188
    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: March 5, 2019
    Publication date: August 15, 2019
    Inventors: Anders Wesslén, Dennis Hui, Yufei Blankenship