Patents by Inventor Xingqin LIN

Xingqin LIN 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: 20230041263
    Abstract: A method may be provided to operate a wireless terminal in communication with a network node. The method may include receiving a Physical Downlink Control Channel, PDCCH, order from the network node. The PDCCH order may include an identification for a Random Access CHannel RACH occasion to be used for a RACH message 1 preamble transmission. Moreover, the identification may include a first index that indicates a set of RACH occasions and a second index that indicates the RACH occasion associated with the set. The method may also include transmitting a Message 1 preamble to the network node using the RACH occasion responsive to the PDCCH order.
    Type: Application
    Filed: October 18, 2022
    Publication date: February 9, 2023
    Inventors: Jingya LI, Johan AXNÄS, Asbjörn GRÖVLEN, Naga Vishnu Kanth IRUKULAPATI, Xingqin LIN, Hongxia ZHAO
  • Patent number: 11564144
    Abstract: A method is performed by a wireless device. The method includes receiving, from a network, an indication for the wireless device to prepare for a change from a first ground station to a second ground station. Each of the first ground station and the second ground station is configured to communicate with the wireless device via one or more satellites. The method further includes preparing to change from the first ground station to the second ground station. The method further includes communicating with the second ground station via the one or more satellites.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: January 24, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Helka-Liina Määttanen, Henrik Rydén, Jonas Sedin, Sebastian Euler, Xingqin Lin, Zhenhua Zou
  • Publication number: 20230013789
    Abstract: An example method in a wireless device operating in a wireless network comprises generating a random access preamble signal and transmitting the random access preamble signal. The generated random access preamble signal comprises a random access symbol group that comprises a plurality of consecutive symbols, where each of the plurality of consecutive symbols being modulated on a corresponding subcarrier frequency and each of the plurality of consecutive symbols corresponding to a truncated sinusoid of 3.75/N kHz, with N>1.
    Type: Application
    Filed: September 20, 2022
    Publication date: January 19, 2023
    Inventors: Xingqin Lin, Olof Liberg
  • Patent number: 11553436
    Abstract: Systems and methods are disclosed herein for uplink power control in a cellular communications network that are particularly well-suited for flying wireless devices (e.g., aerial User Equipments (UEs)). In some embodiments, a method performed by a wireless device for uplink power control comprises receiving, from a base station, reference altitude information comprising one or more height thresholds and detecting that a height of the wireless device is above a height threshold. The method further comprises triggering and sending a measurement report to the base station upon detecting that the height of the wireless device is above the height threshold, and receiving, from the base station, an indication to use a particular one of two or more fractional pathloss compensation factors for uplink power control. The two or more fractional pathloss compensation factors for uplink power control comprise one or more wireless device specific fractional pathloss compensation factors.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: January 10, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Siva Muruganathan, Shiwei Gao, Xingqin Lin, Helka-Liina Määttänen, Zhenhua Zou
  • Patent number: 11553423
    Abstract: A method for a user equipment, a method for a network equipment, a user equipment and a network equipment is disclosed. The network equipment transmits a signal pertaining to if control information is present in a first time period while the user equipment determines if a signal pertaining to control information is present in a first time period. The network equipment transmits control information to a UE in accordance with the transmitted signal while the user equipment decides whether to attempt to decode the control information depending on the determination.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: January 10, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Yutao Sui, Johan Bergman, Andreas Höglund, Olof Liberg, Xingqin Lin, Yi-Pin Eric Wang
  • Publication number: 20230007524
    Abstract: A method by a reduced capability wireless device includes receiving system information from a network node. The system information comprising information specific to the reduced capability wireless device. The reduced capability wireless device performs an operation using at least the information specific to the reduced capability wireless device received in the system information.
    Type: Application
    Filed: December 4, 2020
    Publication date: January 5, 2023
    Inventors: Yi-Pin Eric Wang, Xingqin Lin, Yutao Sui, Mohammad Mozaffari, Luca Faltrin, Yi-Ju Chen, Andreas Höglund
  • Publication number: 20220417889
    Abstract: A method, system and apparatus are disclosed. In one or more embodiments, a network node for communicating with a wireless device is provided. The network node includes processing circuitry configured to receive measurement capability information of a wireless device where the measurement capability information indicates an ability to perform a global navigation satellite system, GNSS, measurement. The processing circuitry is further configured to determine a GNSS measurement gap configuration during which the wireless device is to perform at least one GNSS measurement during at least one GNSS measurement gap where the GNSS measurement gap configuration is based at least in part on the received measurement capability information, and indicate the GNSS measurement gap configuration to the wireless device.
    Type: Application
    Filed: December 18, 2020
    Publication date: December 29, 2022
    Inventors: Olof LIBERG, Xingqin LIN, Sebastian EULER, Jonas SEDIN
  • Publication number: 20220408479
    Abstract: A network node (560) transmits (110) broadcast information (201) which indicates a set (202) of control resource elements. The network node transmits (120) first control information in the set of control resource elements. The first control information schedules a first downlink message (203). The network node transmits (130) second control information in a subset (204) of the set of control resource elements for use by a bandwidth-restricted wireless device. The subset of the set of control resource elements has a smaller bandwidth than the set of control resource elements. The second control information schedules a second downlink message (205). A wireless device (510) performs an associated method (400).
    Type: Application
    Filed: November 18, 2020
    Publication date: December 22, 2022
    Inventors: Yi-Pin Eric Wang, Xingqin Lin, Yutao Sui, Luca Feltrin, Olof Liberg, Andreas Höglund, Mohammad Mozaffari
  • Publication number: 20220408384
    Abstract: Techniques for dynamic adjustment of the frequency offset and timing advance for a UE in a non-terrestrial (NTN) are described. Details of Medium Access Control (MAC) Control Element (CE) and Downlink Control Information (DCI) based methods for indicating the timing and/or frequency adjustment commands either separately or jointly in the presence of delay and/or Doppler variations in NTN are provided. A terminal, also known as a user equipment (UE), can use DCI or MAC signaling to update the timing and frequency adjustment in presence of delay and Doppler variations in NTN. Further, a configurable MAC-CE design is provided for indicating commands related to timing and/or frequency adjustment. Procedures are also provided to report, during a random access procedure, the timing and frequency adjustment applied in preamble transmission.
    Type: Application
    Filed: October 5, 2020
    Publication date: December 22, 2022
    Inventors: Helka-Liina Määttanen, Talha Khan, Jonas Sedin, Xingqin Lin
  • Patent number: 11523437
    Abstract: A method may be provided to operate a wireless terminal in communication with a network node. The method may include receiving a Physical Downlink Control Channel, PDCCH, order from the network node. The PDCCH order may include an identification for a Random Access CHannel RACH occasion to be used for a RACH message 1 preamble transmission. Moreover, the identification may include a first index that indicates a set of RACH occasions and a second index that indicates the RACH occasion associated with the set. The method may also include transmitting a Message 1 preamble to the network node using the RACH occasion responsive to the PDCCH order.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 6, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jingya Li, Johan Axnäs, Asbjörn Grövlen, Naga Vishnu Kanth Irukulapati, Xingqin Lin, Hongxia Zhao
  • Patent number: 11516858
    Abstract: A system and method for providing time domain allocations in a communication system. In an embodiment, an apparatus operable in a communication system and including processing circuitry is configured to receive an indication of a time domain allocation in downlink control information associated with a radio network temporary identifier (“RNTI”) identifying the apparatus, and employ the time domain allocation associated with the RNTI for transmissions associated with the apparatus. In another embodiment, an apparatus operable in a communication system and including processing circuitry is configured to associate a time domain allocation with a RNTI identifying a user equipment, and provide an indication of the time domain allocation in downlink control information to allow the user equipment to employ the time domain allocation associated with the RNTI for transmissions associated therewith.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: November 29, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Jianwei Zhang, Stefan Parkvall, Fredrik Ovesjö, Zhipeng Lin, Jingya Li, Xingqin Lin, Jung-Fu Cheng, Robert Baldemair, Asbjörn Grövlen, Mattias Frenne
  • Publication number: 20220377705
    Abstract: There is provided a method performed by a wireless device for communicating with a network node in a wireless communication network. The method includes using a field in a Master Information Block (MIB) received by the wireless device, as an indication of a presence of an extended MIB (eMIB) and identifying which candidate resource of at least one candidate resource that contains the eMIB based on the indication of the presence of the eMIB. There is also provided a corresponding wireless device for communicating with a network node, a method perform by a network node, and a network node.
    Type: Application
    Filed: November 6, 2020
    Publication date: November 24, 2022
    Inventors: Yi-Pin Eric WANG, Xingqin LIN, Yutao SUI, Mohammad MOZAFFARI, Andreas HÖGLUND, Olof LIBERG, Luca FELTRIN
  • Publication number: 20220376844
    Abstract: Systems and methods are disclosed for dynamic Hybrid Automatic Repeat Request (HARQ) codebook construction with enabling or disabling of HARQ Acknowledgment (HARQ-ACK) feedback per HARQ process. In one embodiment, a method performed by a wireless communication device comprises receiving, from a network node, information that configures the wireless communication device with a first set of HARQ processes for which HARQ-ACK feedback is disabled and a second set of HARQ processes for which HARQ-ACK feedback is enabled. The method further comprises receiving first downlink control information that schedules a first downlink shared channel transmission and determining that the transmission corresponds to one of the first set of HARQ processes for which HARQ-ACK feedback is disabled. The method further comprises, upon making this determination, performing a first set of actions for HARQ-ACK feedback generation for HARQ processes with HARQ-ACK feedback disabled.
    Type: Application
    Filed: October 2, 2020
    Publication date: November 24, 2022
    Inventors: Siva Muruganathan, Robert Baldemair, Shiwei Gao, Xingqin Lin
  • Publication number: 20220376871
    Abstract: Systems and methods of reference resource determination are provided. A method performed by a wireless device for determining a reference resource includes: receiving an indication of at least one configurable offset value; receiving one or more configurations of resources for channel measurement and one or more configurations of measurement reporting; and determining a reference resource for a measurement report to be reported in slot n? using the at least one configurable offset received from the network node. In some embodiments, this includes configurations of Channel State Information Reference Signals (CSI-RS) resources for channel measurement and/or CSI reporting. In this way, CSI reporting with proper CSI reference resource determination is enabled. In some embodiments, this is suitable for Non-Terrestrial Network (NTN) scenarios where the RTT can be in the order of 10s to 100s of milliseconds.
    Type: Application
    Filed: August 24, 2020
    Publication date: November 24, 2022
    Inventors: Siva Muruganathan, Shiwei Gao, Xingqin Lin
  • Publication number: 20220361237
    Abstract: Embodiments herein relate e.g. to a method performed by a UE (10) for managing monitoring of a control channel for transmissions from a radio network node (12). The UE activates, upon detection of a triggering event occurrence, a timer, wherein the triggering event occurrence comprises transmitting a scheduling request and/or receiving a RAR. The UE further initiates, upon expiry of the timer, a monitoring of a control channel for one or more transmissions from the radio network node.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 10, 2022
    Inventors: Björn Hofström, Jonas Sedin, Helka-Liina Määttänen, Xingqin Lin
  • Patent number: 11496992
    Abstract: Methods and device for use in a wireless device of reporting positioning measurements comprises receiving network assistance information from a network node. The network assistance information is for assisting the wireless device in performing Observed Time Difference Of Arrival (OTDOA), and comprises: a list of reference cells; a list of neighbor cells; and a rule for terminating Reference Signal Time Difference (RSTD) measurements. The method further comprises performing RSTD measurement between a cell in the reference cell list and a cell in the neighbor cell list. Upon determining the RSTD measurement satisfies the rule for terminating RSTD measurements, the method includes reporting the RSTD measurements to the network node. Upon determining the RSTD measurement does not satisfy the rule for terminating RSTD measurements, performing another RSTD measurement between the cell in the reference cell list and a cell in the neighbor cell list.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: November 8, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sara Modarres Razavi, Johan Bergman, Åke Busin, Fredrik Gunnarsson, Olof Liberg, Xingqin Lin, Henrik Rydèn, Yutao Sui, Martin Van Der Zee
  • Patent number: 11497051
    Abstract: An example method in a wireless device operating in a wireless network comprises generating a random access preamble signal and transmitting the random access preamble signal. The generated random access preamble signal comprises a random access symbol group that comprises a plurality of consecutive symbols, where each of the plurality of consecutive symbols being modulated on a corresponding subcarrier frequency and each of the plurality of consecutive symbols corresponding to a truncated sinusoid of 3.75/N kHz, with N>1.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: November 8, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Xingqin Lin, Olof Liberg
  • Patent number: 11497035
    Abstract: The present disclosure described systems and methods for providing OTT services to a UE. An exemplary OTT-providing host computer includes a transceiver, a processor, and memory collective configured to provide the OTT service by initiating transmission of user data to the UE. To transmit the user data from the host computer to the wireless device, a network node sends a first control message for assigning a PDSCH, the first control message comprising a first MCS indication as described. The network node sends to the wireless device a second control message for assigning a PDSCH, the second control message comprising a second MCS indication as described. The network node transmits the user data thereafter.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: November 8, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Zhipeng Lin, Jingya Li, Robert Baldemair, Yufei Blankenship, Jung-Fu Cheng, Xingqin Lin, Ajit Nimbalker
  • Patent number: 11497022
    Abstract: A method in a network node includes communicating, over a narrowband Internet of Things downlink, a first message to a first wireless device during repetition periods of at least a first time frame and a second time frame of a plurality of time frames of a transmission time of a narrowband physical downlink control channel (NB-PDCCH) or a narrowband physical downlink shared channel (NB-PDSCH). Each time frame of the plurality of time frames includes a repetition period and a gap. The method also includes communicating a second message to a second wireless device during a gap of the first time frame.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: November 8, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Hazhir Shokri Razaghi, Ansuman Adhikary, Johan Bergman, Yufei Blankenship, Asbjörn Grövlen, Xingqin Lin, Yutao Sui, Yi-Pin Eric Wang
  • Publication number: 20220352971
    Abstract: Embodiments include methods for operating a network node in a non-terrestrial network (NTN) that utilizes one or more polarization modes for serving one or more cells. Such methods include transmitting, to one or more user equipment (UEs), an indication of at least one polarization mode configured for use in a first cell of the first NTN. The at least one polarization mode can be indicated in various ways, both explicitly and implicitly. Such methods also include transmitting and/or receiving one or more signals or channels in the first cell according to one or more configured polarization modes including the at least one indicated polarization mode. Other embodiments include complementary methods for operating UEs, as well as network nodes and UEs configured to perform such methods.
    Type: Application
    Filed: September 23, 2020
    Publication date: November 3, 2022
    Inventors: Olof Liberg, Jonas Sedin, Xingqin Lin, Sebastian Euler