Patents by Inventor Hongmei Liu

Hongmei Liu 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).

  • Method and apparatus for signal configuration in a wireless communication system
    Patent number: 11483811
    Abstract: Embodiments of the present disclosure provide methods, apparatuses and computer program for signal configuration in a wireless communication system. A method implemented at a network device comprises: transmitting information related to a resource allocation for a signal, and broadcasting the signal in accordance with the resource allocation; wherein the signal includes at least one of: a reference signal and a control signal containing system information. By virtue of the method, resource utilization may be more flexibly controlled.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: October 25, 2022
    Assignee: NEC CORPORATION
    Inventors: Chuangxin Jiang, Yukai Gao, Hongmei Liu, Gang Wang
  • METHOD AND DEVICE FOR PERFORMING COMMUNICATION
    Publication number: 20220294589
    Abstract: Embodiments of the disclosure provide a method and device for performing communication. The method comprises: determining a target transmission pattern from a set of candidate transmission patterns, wherein the target transmission pattern is indicated by a signal including one or more of: a reference signal, a signal for performing CRC, and a feedback signal; and performing communication between a network device and a terminal device by using the target transmission pattern.
    Type: Application
    Filed: April 4, 2022
    Publication date: September 15, 2022
    Applicant: NEC CORPORATION
    Inventors: Yukai GAO, Chuangxin JIANG, Zhennian SUN, Lei JIANG, Hongmei LIU, Gang WANG
  • Methods and apparatuses for power control
    Patent number: 11445446
    Abstract: Methods and apparatuses for power control are disclosed. A method comprises: receiving a first signaling indicating one or multiple power values for a downlink reception from a node, each power value being associated with a spatial domain filter, and determining a power value for the downlink reception from the node.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: September 13, 2022
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Hongmei Liu, Lianhai Wu, Haipeng Lei, Zhennian Sun, Zhi Yan
  • Method and apparatus for performing transmission
    Patent number: 11432160
    Abstract: Embodiments of the present disclosure provide a method of performing transmission between a base station and a terminal device according to a frame structure over an unlicensed spectrum in a wireless network that supports communications over both a licensed spectrum and the unlicensed spectrum. The method comprises signaling information indicating the frame structure and performing transmission between the base station and the terminal device on an unlicensed carrier in the unlicensed spectrum according to the frame structure. There is also provided the corresponding apparatus.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: August 30, 2022
    Assignee: NEC CORPORATION
    Inventors: Lei Jiang, Hongmei Liu, Chuangxin Jiang, Gang Wang
  • Demodulation reference signal configuration
    Patent number: 11424888
    Abstract: Apparatuses, methods, and systems are disclosed for demodulation reference signal configuration. One apparatus (200) includes a receiver (212) configured to receive (502) a demodulation reference signal configuration for a physical downlink shared channel. The apparatus (200) also includes the receiver (212) configured to receive (504) a demodulation reference signal based on the demodulation reference signal configuration.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: August 23, 2022
    Assignee: Motorola Mobility LLC
    Inventors: Hongmei Liu, Chenxi Zhu, Zhennian Sun, Haiming Wang
  • METHODS AND APPARATUSES FOR DOWNLINK CONTROL INFORMATION TRANSMISSION AND RECEIVING
    Publication number: 20220263617
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for downlink control information (DCI) transmission and receiving in a wireless communication system. A DCI configuration parameter can be first transmitted to a terminal device; and then DCI is transmitted to the terminal device, wherein the DCI configuration parameter indicates time-frequency resources for the DCI. With embodiments of the present disclosure, the UE could perform a flexible DCI monitoring according to the DCI configuration parameter and thus it may support the DCI monitoring occasion change due to numerology and scheduling unit size.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 18, 2022
    Applicant: NEC CORPORATION
    Inventors: Hongmei LIU, Gang Wang
  • Determining a transmission scheme
    Patent number: 11412529
    Abstract: Apparatuses, methods, and systems are disclosed for determining a transmission scheme. One method (400) includes receiving (402) data at a buffer at a first time. The method (400) also includes determining (404) a transmission scheme for transmitting the data based on whether a second time corresponding to a scheduling request resource or a third time corresponding to a grant-free resource is closer in time to the first time. The method (400) includes transmitting (406) the data using the transmission scheme.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: August 9, 2022
    Assignee: Lenovo (Beijing) Limited
    Inventors: Hongchao Li, Lingling Xiao, Lianhai Wu, Hongmei Liu
  • Determining a precoder for PTRS ports
    Patent number: 11411619
    Abstract: Apparatuses, methods, and systems are disclosed for determining a precoder for PTRS ports. One method (800) includes receiving (802) information indicating a precoder for transmission. The method (800) includes determining (804) a precoder for each phase tracking reference signal port based on the information. Another method (900) includes transmitting (902) information indicating a precoder for transmission. The method (900) includes receiving (904) one or more phase tracking reference signal ports precoded with the precoder.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: August 9, 2022
    Assignee: Lenovo (Beijing) Limited
    Inventors: Hongmei Liu, Chenxi Zhu, Zhennian Sun, Bingchao Liu, Vijay Nangia
  • CONTROL SIGNAL DESIGN
    Publication number: 20220225357
    Abstract: Methods and apparatuses for preconfigured uplink resource are disclosed. A method at a remote unit comprises transmitting a data in a predefined resource based on a resource configuration; and receiving a control signal in a first search space, wherein the control signal includes at least one of (1) a response to the data; (2) an updated TA; (3) an updated power; (4) an updated data transmission repetition; (5) a flag of retransmission based on dynamic grant or the predefined resource; (6) a fallback indication; and (7) a predefined resource release indication.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 14, 2022
    Inventors: Zhi Yan, Haipeng Lei, Hongmei Liu, Yingying Li, Haiming Wang
  • Methods and apparatuses for downlink control information transmission and receiving
    Patent number: 11343034
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for downlink control information (DCI) transmission and receiving in a wireless communication system. A DCI configuration parameter can be first transmitted to a terminal device; and then DCI is transmitted to the terminal device, wherein the DCI configuration parameter indicates time-frequency resources for the DCI. With embodiments of the present disclosure, the UE could perform a flexible DCI monitoring according to the DCI configuration parameter and thus it may support the DCI monitoring occasion change due to numerology and scheduling unit size.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: May 24, 2022
    Assignee: NEC CORPORATION
    Inventors: Hongmei Liu, Gang Wang
  • METHOD AND APPARATUS FOR PERFORMING FRACTIONAL SUBFRAME TRANSMISSION
    Publication number: 20220150099
    Abstract: Embodiments of the disclosure provide a method and apparatus for performing fractional subframe transmission. The method may comprise: determining first temporal information that indicates when a channel becomes available; and determining, based on the first temporal information and transmission opportunity information, second temporal information that indicates an end of the fractional subframe transmission.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Applicant: NEC Corporation
    Inventors: Lei JIANG, Hongmei Liu, Gang Wang, Zhennian Sun, Chuangxin Jiang
  • Method and device for performing communication
    Patent number: 11329783
    Abstract: Embodiments of the disclosure provide a method and device for performing communication. The method comprises: determining a target transmission pattern from a set of candidate transmission patterns, wherein the target transmission pattern is indicated by a signal including one or more of: a reference signal, a signal for performing CRC, and a feedback signal; and performing communication between a network device and a terminal device by using the target transmission pattern.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: May 10, 2022
    Assignee: NEC CORPORATION
    Inventors: Yukai Gao, Chuangxin Jiang, Zhennian Sun, Lei Jiang, Hongmei Liu, Gang Wang
  • METHOD AND DEVICE FOR INDICATING RESOURCE ALLOCATION
    Publication number: 20220124709
    Abstract: Embodiments of the disclosure provide a method and device for indicating time domain resource allocation. The method comprises: determining time information of a resource region based on numerology information of the resource region, the resource region being allocated for transmitting data to a terminal device; and transmitting the time information to the terminal device to enable the terminal device to receive the data on the resource region.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 21, 2022
    Applicant: NEC CORPORATION
    Inventors: Hongmei LIU, Gang WANG
  • METHODS AND APPARATUSES FOR SYSTEM INFORMATION TRANSMISSION AND SYSTEM INFORMATION RECEPTION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20220124867
    Abstract: Embodiments of the present disclosure relate to a method and apparatus of data transmission in a wireless communication system and a method and apparatus of receiving data in a wireless communication system. The method of data reception comprises transmitting a request for the RRC message to the network node based on default transmission parameters; and receiving the RRC message from the network node at a predetermined time unit. With embodiments of the present disclosure, it is possible to request the RRC message when the terminal device need this message and therefore the RRC message transmission can be reduced and in turn, the inter-node interference can be limited, and the number of LBTs required for these signal transmissions can be reduced if they are transmitted on unlicensed spectrum.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: NEC CORPORATION
    Inventors: Hongmei LIU, Lei JIANG, Gang WANG
  • Apparatus and method for signaling transmission power
    Patent number: 11304154
    Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes categorizing a number of synchronization signal (SS) blocks into M groups, each group having N SS blocks, wherein M and N are integers and assigning a power level for P transmitted group (s), wherein P is an integer and 1<=P<=M. The SS blocks in each of the P transmitted groups are transmitted in a same assigned power level.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: April 12, 2022
    Assignee: LENOVO (BEIJING) LIMIIED
    Inventors: Zhennian Sun, Chenxi Zhu, Hongmei Liu, Wei Ling
  • CANDIDATE SYNCHRONIZATION SIGNAL BLOCK TRANSMISSION RESOURCES
    Publication number: 20220104152
    Abstract: Apparatuses, methods, and systems are disclosed for determining candidate synchronization signal block transmission resources. One method (800) includes receiving (802) first information indicating at least one candidate synchronization signal block transmission resource. The at least one candidate synchronization signal block transmission resource is useable for transmitting a synchronization signal block for inter-node discovery, measurement, or a combination thereof. The method (800) includes receiving (804) second information and downlink data corresponding to the second information. The method (800) includes decoding (806) the downlink data. Decoding the downlink data includes rate-matching around the at least one candidate synchronization signal block transmission resource.
    Type: Application
    Filed: September 29, 2018
    Publication date: March 31, 2022
    Inventors: Lianhai Wu, Hongmei Liu, Zhennian Sun, Haipeng Lei, Zhi Yan
  • RESOURCE CONFIGURATION
    Publication number: 20220104225
    Abstract: Methods and apparatuses for resource configuration are disclosed. In one embodiment, a method at a remote unit comprises: receiving a preconfigured uplink resource (PUR) configuration; and transmitting uplink data in a frequency-time resource starting from a starting time, wherein the starting time is determined based on at least one of: (1) a connection release signaling reception time; (2) a first time offset for data processing; (3) an uplink data transmission time; (4) an uplink data retransmission timer; (5) a PUR configuration reception time; (6) a second time offset for scheduling flexibility; (7) a third time offset to a predetermined reference time; and (8) a length of time durations for PUR interval.
    Type: Application
    Filed: January 25, 2019
    Publication date: March 31, 2022
    Inventors: Zhi Yan, Lianhai Wu, Haipeng Lei, Hongmei Liu, Jie Shi, Haiming Wang
  • METHOD AND APPARATUS FOR SLOT FORMAT INDICATION
    Publication number: 20220086881
    Abstract: Embodiment of the present application is directed to a method and apparatus for slot format indication. According to an embodiment of the present application, the method includes receiving at least one signal indicating one of: whether at least one symbol at a beginning of a sequence of consecutive symbols transmitted or received over a communication link is reserved or is to be reserved, and whether at least one symbol at an end of the sequence of consecutive symbols transmitted or received over the communication link is reserved or is to be reserved. The at least one uplink transmission is performed based on the received signal in response to the communication link being associated with an uplink transmission. The at least one downlink reception is performed based on the received signal in response to the communication link being associated with downlink reception.
    Type: Application
    Filed: January 9, 2019
    Publication date: March 17, 2022
    Inventors: Hongmei Liu, Lianhai Wu, Zhennian Sun, Hiapeng Lei, Zhi Yan
  • DEVICE INFORMATION IN A CONTEXT SETUP REQUEST
    Publication number: 20220078674
    Abstract: Apparatuses, methods, and systems are disclosed for transmitting and/or receiving device information in a context setup request. One method (800) includes transmitting (802) a context setup request to a first device. The context setup request includes information corresponding to a second device. The method (800) includes receiving (804) a response to the context setup request.
    Type: Application
    Filed: October 9, 2018
    Publication date: March 10, 2022
    Inventors: Lianhai Wu, Joachim Lohr, Prateek Basu Mallick, Haiming Wang, Jing Han, Hongmei Liu
  • METHOD AND APPARATUS FOR A SIDELINK TRANSMISSION
    Publication number: 20220078818
    Abstract: The present application is related to a method performed by a user equipment (UE), wherein the method includes: transmitting, to a base station (BS), a request for one or more sidelink transmissions between the UE and one or more destinations; receiving scheduling information from the BS, wherein the scheduling information comprises an indicator indicating a grant for a selected sidelink transmission between a destination among the one or more destinations and the UE, and the scheduling information further comprises a resource which is scheduled for the UE to transmit data; and transmitting the data to the destination using the resource scheduled for the UE.
    Type: Application
    Filed: January 8, 2019
    Publication date: March 10, 2022
    Inventors: Zhennian Sun, Xiaodong Yu, Haipeng Lei, Lianhai Wu, Hongmei Liu