Patents by Inventor Yufei Blankenship

Yufei Blankenship 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).

  • Publication number: 20240250727
    Abstract: Systems and methods for Channel State Information (CSI) feedback for multi-TRP URLLC schemes are provided. In some embodiments, a method performed by a wireless device for CSI reporting includes: receiving a configuration for a plurality of Non-Zero Power (NZP) CSI-RS resources from a base station; performing channel measurement on the plurality of NZP CSI-RS resources; selecting N of the plurality of NZP CSI-RS resources; performing CSI computations and/or calculating CSI parameters including one or more of: one Rank Indicator (RI), N Precoding Matrix Indicators (PMIs), and one Channel Quality Indicator (CQI); and reporting the calculated CSI parameters. The parameters including one or more of: one RI, N PMIs, one CQI along with one or more of the following as part of CSI reporting: a single CSI-RS Resource Indicator (CRI) indicating the selected N NZP CSI-RS resources; N CRIs indicating the selected N NZP CSI-RS resources; and no CRI.
    Type: Application
    Filed: July 29, 2021
    Publication date: July 25, 2024
    Inventors: Siva Muruganathan, Yufei Blankenship, Jonas Fröberg Olsson, Shiwei Gao, Bikramjit Singh
  • Publication number: 20240244573
    Abstract: A method performed by a first location server for handling location data in a wireless communications network is provided. The first location server determines a first location of a first relay node. The first location of the first relay node is based on a signaling performed between the first relay node and a first set of network nodes. The first location server triggers a determination of a second location of a second network device. The second network device is any of: a first User Equipment (UE) wirelessly connected with the first relay node, or a second relay node. The second location is triggered to be determined based on the first location.
    Type: Application
    Filed: July 27, 2021
    Publication date: July 18, 2024
    Inventors: Ananya MUDDUKRISHNA, Dhruvin PATEL, Yufei BLANKENSHIP, Fedor CHERNOGOROV
  • Publication number: 20240244624
    Abstract: User equipments, network nodes, and systems are described to transmitting and receiving a physical uplink control channel, PUCCH. For example, a user equipment may receive configuration information from a network node. The configuration information may indicate a plurality of cells available for transmitting or for receiving the PUCCH, the plurality of cells including a reference cell and may indicate a plurality of cell index values respectively associated with a plurality of slots of the reference cell, each cell index value indicating a respective designated cell from among the plurality of cell. The user equipment may receive a timing indicator indicating a reference slot from among the plurality of slots of the reference cell and may transmit the PUCCH using the respective designated cell indicated by the cell index value associated with the reference slot.
    Type: Application
    Filed: May 11, 2022
    Publication date: July 18, 2024
    Inventors: Kittipong Kittichokechai, Mattias Andersson, Sorour Falahati, Bikramjit Singh, Yufei Blankenship, Yufeng Zhao
  • Patent number: 12041011
    Abstract: According to some embodiments, a method performed by a wireless device for transmitting a transport block comprises obtaining a first uplink aggregation factor. The first uplink aggregation factor is an integer value greater than one. The method further comprises obtaining a second uplink aggregation factor. The second uplink aggregation factor is an integer value greater than one and is different than the first uplink aggregation factor. The method further comprises: determining that a transport block is associated with a type of radio network temporary identifier (RNTI); selecting one of the first or second uplink aggregation factor based on the type of RNTI associated with the transport block; and transmitting the transport block on a physical uplink shared channel (PUSCH) according to the selected uplink aggregation factor.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: July 16, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Yufei Blankenship, Stefan Parkvall, Daniel Chen Larsson, Jianwei Zhang
  • Publication number: 20240223219
    Abstract: Systems and methods are disclosed herein for puncturing Polar-encoded bits. In some embodiments, a method of operation of a radio node that utilizes a Polar encoder comprising performing Polar encoding of a plurality of bits to provide a plurality of Polar-encoded code bits and puncturing the plurality of Polar-encoded code bits using a hybrid puncturing scheme to provide a plurality of rate-matched Polar-encoded code bits.
    Type: Application
    Filed: March 13, 2024
    Publication date: July 4, 2024
    Inventors: Dennis Hui, Yufei Blankenship
  • Patent number: 12022483
    Abstract: Systems and methods for dynamic and flexible configurations for configured grants are provided. In some embodiments, a method performed by a wireless device for configuring uplink grants includes receiving, from a network node, one or more indications to enable one or more configured grant configurations per cell and/or per BWP where at least one configured grant configuration indicating a plurality of transmission occasions within a period. The method also includes transmitting at least one transmission based on the at least one configured grant configuration.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: June 25, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Abdulrahman Alabbasi, John Walter Diachina, Jonas Fröberg Olsson, Torsten Dudda, Yufei Blankenship, Zhenhua Zou, Majid Gerami
  • Publication number: 20240204912
    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: December 23, 2023
    Publication date: June 20, 2024
    Inventors: Anders Wesslén, Dennis Hui, Yufei Blankenship
  • Publication number: 20240195536
    Abstract: A method, system and apparatus are disclosed. According to some embodiments, a wireless device is provided. The wireless device includes processing circuitry configured to generate a first HARQ-ACK codebook for a first uplink time slot, where the first HARQ-5 ACK codebook includes a first plurality of HARQ-ACK bits, to determine a second plurality of HARQ-ACK bits, where each of the second plurality of HARQ-ACK bits is associated with a respective timing parameter, and each of the second plurality of HARQ-ACK bits is mapped to a respective downlink time slot of a plurality of downlink time slots based on the respective timing parameter, to modify the first HARQ-ACK codebook based on at least one 0 deferred HARQ-ACK bit of the second plurality of HARQ-ACK bits, and to cause transmission of the modified first HARQ-ACK codebook during the first uplink time slot.
    Type: Application
    Filed: April 5, 2022
    Publication date: June 13, 2024
    Inventors: Kittipong Kittichokechai, Mattias Andersson, Sorour Falahati, Bikramjit Singh, Yufei Blankenship
  • Publication number: 20240188083
    Abstract: A method, system and apparatus are disclosed. According to some embodiments, a network node configured to communicate with a wireless device is provided. The network node includes processing circuitry configured to cause transmission of a first indication of a first physical uplink control channel, PUCCH, carrier for dynamic PUCCH carrier switching, and receive a PUCCH transmission that is based on dynamic PUCCH carrier switching from a second PUCCH carrier to the first PUCCH carrier in accordance with the first indication.
    Type: Application
    Filed: April 5, 2022
    Publication date: June 6, 2024
    Inventors: Kittipong Kittichokechai, Mattias Andersson, Sorour Falahati, Yufei Blankenship, Bikramjit Singh
  • Publication number: 20240187128
    Abstract: A communication device, in a communications network that includes a network node, can obtain a plurality of channel state information (“CSI”) reporting configurations. The communication device can further determine a link quality measurement using CSI resources associated with the plurality of CSI reporting configurations. Responsive to determining the link quality measurement, the communication device can determine a CSI reporting configuration to be used in communicating CSI with the network node from the plurality of CSI reporting configurations based on the link quality measurement. Responsive to determining the CSI reporting configuration, the communication device can transmit information associated with the CSI reporting configuration to the network node.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 6, 2024
    Inventors: Jonas FRÖBERG OLSSON, Alexey SHAPIN, Niklas ANDGART, Yufei BLANKENSHIP
  • Publication number: 20240179658
    Abstract: A method (1600) implemented by a terminal device (600) is provided. The method includes transmitting (1602) information about a first preference of the terminal device to use a timing advance, TA, based propagation delay estimation or a round-trip time, RRT, based propagation delay estimation. For example, the first preference may include at least one of: a preference of the terminal device for at least one downlink reference signal; a preference of the terminal device for at least one uplink reference signal; and a preference of the terminal device for at least one physical random access channel, PRACH, transmission on an uplink. As another example, the first preference indicates a preference of the terminal device to use a network node based propagation delay estimation or a terminal device based propagation delay estimation.
    Type: Application
    Filed: March 30, 2022
    Publication date: May 30, 2024
    Inventors: Zhenhua Zou, Zhipeng Lin, Yufei Blankenship
  • Publication number: 20240172146
    Abstract: Systems and methods are disclosed for time synchronization in a wireless communication network. In one embodiment, a method performed by a wireless communication device comprises transmitting, to an access node, a signal for enhanced uplink timing estimation, wherein the signal occupies more or separate physical resources as compared to a corresponding signal transmitted for a purpose other than enhanced uplink timing estimation. The method further comprises receiving, from the access node, a message comprising timing-related information or clock time, responsive to transmitting the signal for enhanced uplink timing estimation. In this manner, the wireless communication network is able to meet enhanced timing error requirements, e.g., when inter-working with a Time Sensitive Network (TSN).
    Type: Application
    Filed: March 30, 2022
    Publication date: May 23, 2024
    Inventors: Zhipeng Lin, Zhenhua Zou, Yufei Blankenship
  • Patent number: 11984977
    Abstract: Methods, systems, and apparatus are provided for encoding code blocks for transmission in a wireless communication system. An example encoding method in a wireless communication system includes determining, for one or more code blocks of a transport block, that at least one of a plurality of criteria is met, wherein the plurality of criteria includes that a coding rate (R) is less than or equal to 1/4 or that a transport block size (TBS) is less than or equal to 3824 bits and the R is less than or equal to 2/3. The one or more code blocks are encoded using low-density parity-check (LDPC) base graph 2, wherein a maximum code block size is 3840 bits. The one or more encoded code blocks are transmitted over the wireless network.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: May 14, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sara Sandberg, Mattias Andersson, Yufei Blankenship, Amirpasha Shirazinia
  • Patent number: 11979865
    Abstract: Embodiments include methods, by a user equipment (UE), for receiving physical data channel transmissions from a wireless network. Such methods include receiving, from the wireless network, configuration information including: a first indication of one or more frequency-domain resource allocations for respective corresponding one or more physical data channel transmissions by respective corresponding one or more sources configured by the wireless network, and one or more second indications of further characteristics of the physical data channel transmissions. Such methods also include, based on the second indications, determining the number of frequency-domain resource allocations indicated by the first indication. Such methods also include receiving, from the wireless network, the determined number of physical data channel transmissions based on the respective indicated frequency-domain resource allocations.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: May 7, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Siva Muruganathan, Yufei Blankenship, Sebastian Faxér, Mattias Frenne, Shiwei Gao
  • Patent number: 11979889
    Abstract: Methods and systems for reliability enhancement for User Equipment (UE) with partial repetitions in Configured Grant (CG) are provided. According to one aspect, a method, performed by a UE in a Fifth Generation (5G) network, comprises: receiving data to be transmitted as uplink (UL) transmissions in CG resources K number of times within a CG period; determining that the number of Transmission Occasions (TOs) remaining within the CG resources and within the CG period for the UE is less than K; and either: transmitting the data within the remaining TOs within the CG resources and also within TOs within shared resources such that the transmission is performed at least K number of times; waiting until the beginning of the next CG period to transmit K number of times within the CG resources; or transmitting the data within the remaining TOs within the CG resources with an increased power.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: May 7, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Bikramjit Singh, Yufei Blankenship, Majid Gerami
  • Publication number: 20240146331
    Abstract: According to some embodiments, a method for use in a wireless transmitter of a wireless communication network comprises encoding information bits using a parity check matrix (PCM) and transmitting the encoded information bits to a wireless receiver. The parity check matrix (PCM) is optimized according to two or more approximate cycle extrinsic message degree (ACE) constraints. In some embodiments, a first portion of the PCM is optimized according to a first ACE constraint and a second portion of the PCM is optimized according to a second ACE constraint.
    Type: Application
    Filed: December 18, 2023
    Publication date: May 2, 2024
    Inventors: Sara SANDBERG, Mattias ANDERSSON, Yufei BLANKENSHIP
  • Patent number: 11973596
    Abstract: There is presented a method for operating a user equipment, UE (300) in a wireless communication network (10). The method comprises receiving (302) a message indicating an uplink radio resource, the uplink resource having occurred before receiving the message. The method further comprises transmitting (304) a second representation of a data packet based on determining that the indicated uplink radio resource has been used by the UE for transmitting a first representation of the data packet, prior to receiving the message. Additionally, a method for operating a network node (200) in a wireless communication network (10) is disclosed, the method comprises detecting (202) a signal on an uplink resource configured for grant free access and transmitting (204) a non-UE specific message based on the signal not being successfully received and wherein the non-UE specific message comprises information indicating the uplink resource configured for grant free access.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: April 30, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Bikramjit Singh, John Walter Diachina, Majid Gerami, Alexey Shapin, Yufei Blankenship
  • Publication number: 20240120950
    Abstract: A method of producing a set of coded bits from a set of information bits for transmission between a first node and a second node in a wireless communications system, the method comprises generating a codeword vector by encoding the set of information bits with a low-density parity-check code, wherein the codeword vector is composed of systematic bits and parity bits. The method comprises performing circular buffer-based rate matching on the generated codeword vector to produce the coded bits for transmission, wherein the circular buffer-based rate matching comprises puncturing a first plurality of systematic bits.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventors: Mattias ANDERSSON, Yufei BLANKENSHIP, Sara SANDBERG
  • Publication number: 20240121042
    Abstract: A method performed by a network node for handling communication in a communication network. The network node configures a CSI reference resource as a function of a periodic transmission time of a downlink semi-persistent scheduling configuration or a group of downlink semi-persistent scheduling configurations and/or as a function of a dynamically scheduled physical downlink shared channel time.
    Type: Application
    Filed: January 17, 2022
    Publication date: April 11, 2024
    Inventors: Alexey SHAPIN, Jonas FRÖBERG OLSSON, Yufei BLANKENSHIP
  • Patent number: 11950216
    Abstract: Embodiments include methods, by a user equipment (UE), for receiving physical data channel transmissions from a wireless network. Such methods include receiving, from the wireless network, configuration information including: a first indication of one or more frequency-domain resource allocations for respective corresponding one or more physical data channel transmissions by respective corresponding one or more sources configured by the wireless network, and one or more second indications of further characteristics of the physical data channel transmissions. Such methods also include, based on the second indications, determining the number of frequency-domain resource allocations indicated by the first indication. Such methods also include receiving, from the wireless network, the determined number of physical data channel transmissions based on the respective indicated frequency-domain resource allocations.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 2, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Siva Muruganathan, Yufei Blankenship, Sebastian Faxér, Mattias Frenne, Shiwei Gao