Patents by Inventor Lianhai Wu

Lianhai Wu 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).

  • Patent number: 11659508
    Abstract: Apparatuses, methods, and systems are disclosed for synchronization signal block reception and synchronization signal block transmission. One apparatus for synchronization signal block reception includes a receiver that receives multiple synchronization signal blocks. The multiple synchronization signal blocks have different power levels corresponding to at least two synchronization signal blocks of the multiple synchronization signal blocks.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: May 23, 2023
    Assignee: Motorola Mobility LLC
    Inventors: Chenxi Zhu, Zhennian Sun, Hongmei Liu, Lianhai Wu
  • Publication number: 20230156682
    Abstract: Embodiments of the present disclosure relate to methods and apparatus for dynamic FDM between a parent link and a hild link in an IAB network. According to an embodiment of the present disclosure, a method includes: receiving indication information from a parent node of an IAB node, wherein the indication information indicates at least one frequency domain resource of an operating band associated with one of a parent link between the IAB node and the parent node and a child link between the IAB node and a child node of the IAB node; and determining a set of frequency domain resources for the child link from the operating band at least based on the indication information.
    Type: Application
    Filed: April 24, 2020
    Publication date: May 18, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Hongmei Liu, Lianhai Wu, Zhi Yan, Yuantao Zhang, Haiming Wang
  • Publication number: 20230156609
    Abstract: Embodiments of the present application are directed to a method and apparatus for power control. In an embodiment of the present application, the method includes transmitting an uplink signal, wherein a transmission power of the uplink signal is determined according to a power control scheme, and the power control scheme is selected from at least one of an open loop power control scheme, a first closed loop power control scheme, a second closed loop power scheme with power ramping step selection, a third closed loop power scheme with scaling factor to power adjustment indicator, a fourth closed loop power scheme with later uplink signal corresponding power adjustment indicator adoption.
    Type: Application
    Filed: September 29, 2019
    Publication date: May 18, 2023
    Applicant: Lenovo (Beijing) Limited
    Inventors: Zhi Yan, Haipeng Lei, Jie Shi, Lianhai Wu, Haiming Wang
  • Publication number: 20230156539
    Abstract: Embodiments of the present application relate to a method and an apparatus for failure report. According to an embodiment of the present application, a method can include: in response to accessing a cell by a radio resource control (RRC) re-establishment procedure or a connection setup procedure, receiving a user equipment (UE) information request; and in response to the UE information request, transmitting a UE information response message including a radio link failure (RLF) report, wherein the RLF report indicates failure information being at least one of: a RLF, a handover failure (HOF), a first timer associated with a fast master cell group (MCG) link recovery procedure expiry, a dual active protocol stack (DAPS) HOF, and a conditional handover (CHO) failure. Embodiments of the present application can solve failure report problems in emerging communication scenarios, and can facilitate and improve the implementation of 5G new radio (NR) technology.
    Type: Application
    Filed: April 9, 2020
    Publication date: May 18, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Lianhai Wu, Jie Shi, Haiming Wang, Jing Han, Ran Yue
  • Publication number: 20230156505
    Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: transmitting, at an access node, a failure information message to a base station, wherein the access node is connected to the base station via a master node and a secondary node, and wherein the failure information message includes a failure type of a backhaul link. The failure type is based on a failure type set including at least the following: an expiry of a physical layer problem timer, a random access problem, and reaching a maximum number of retransmission in response to radio link failure (RLF).
    Type: Application
    Filed: March 27, 2020
    Publication date: May 18, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Lianhai Wu, Joachim Löhr, Hyung-Nam Choi, Hongmei Liu, Haiming Wang
  • Publication number: 20230142688
    Abstract: Embodiments of the present application are directed to a method and apparatus of enhanced re-establishment initialization in a communication system. A method for wireless communication performed by a user equipment (UE) or IAB MT is disclosed, wherein the method includes: initiating a re-establishment procedure when neither a master cell group (MCG) link between the UE and a master node (MN) nor a secondary cell group (SCG) link between the UE and a secondary node (SN) is available.
    Type: Application
    Filed: April 17, 2020
    Publication date: May 11, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Lianhai Wu, Ran Yue, Jie Shi, Jing Han, Jie Hu
  • Publication number: 20230145958
    Abstract: Embodiments of the present application relate to a method and an apparatus for Conditional handover (CHO) and fast MCG link recovery. According to an embodiment of the present application, a method can include: receiving fast master cell group (MCG) link recovery configuration information; receiving CHO configuration information indicating a set of CHO configurations and a set of execution conditions for a set of cells, each cell is associated with a CHO configuration and an execution condition; and evaluating the set of execution conditions based on the CHO configuration information. Embodiments of the present application can define the UE behavior when both the MCG link recovery procedure and the CHO procedure are configured for the UE.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 11, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Lianhai Wu, Ran Yue, Jing Han, Haiming Wang, Jie Shi
  • Patent number: 11641613
    Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method comprises: receiving a broadcasting message from a base station, wherein the broadcasting message indicates that the base station supports relaying function.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: May 2, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Lianhai Wu, Jing Han, Haiming Wang, Jie Shi, Hongchao Li
  • Publication number: 20230127408
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for absence time request and user equipment (UE) behavior during the absence time. According to an embodiment of the present disclosure, a method performed by a UE for wireless communication includes: transmitting a request for an absence time to a base station (BS); receiving a response assigning the absence time from the BS; suspending a connection to the BS upon receiving the response; and resuming the connection to the BS before or at the end of the absence time.
    Type: Application
    Filed: February 12, 2020
    Publication date: April 27, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Lianhai Wu, Prateek Basu Mallick, Jing Han, Bingchao Liu, Ran Yue, Jie Hu
  • Patent number: 11632790
    Abstract: A user equipment (UE), the UE including: a controller configured to control to trigger a Buffer Status Report (BSR) if an allocated uplink resource for a Transmission Time Interval (TTI) is capable of accommodating a Sidelink Buffer Status Report (BSR) Medium Access Control (MAC) Control Element (CE) containing a buffer status for at least one Sidelink Destination and its corresponding MAC subheader; and a transmitter configured to transmit the BSR, wherein, the controller controls to cancel all triggered Sidelink BSRs if no side-link data available for transmission exists.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: April 18, 2023
    Assignee: FUJITSU LIMITED
    Inventors: Haibo Xu, Lianhai Wu
  • Publication number: 20230106809
    Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method performed by a communication device, includes: receiving, from a base station, a first configuration information indicating a threshold to configure the communication device, wherein the threshold is associated with data volume; determining whether congestion happens at the communication device based on the threshold; and transmitting a congestion indication to a first parent node via a Backhaul Adaptation Protocol (BAP) signaling message when it is determined that the congestion happens at the communication device.
    Type: Application
    Filed: October 10, 2019
    Publication date: April 6, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Lianhai Wu, Joachim Löhr, Prateek Basu Mallick, Jie Shi, Haiming Wang, Jing Han
  • Publication number: 20230108725
    Abstract: Embodiments of the present application relate to a method and apparatus for data transmission. An exemplary method includes: receiving a data transmission request from a first base station, in a second base station, wherein the data transmission request indicates data transmission information on a data transmission; determining whether to transmit the data transmission by the second base station or make an anchor relocation for the data transmission based on the data transmission information and assistant information associated with the data transmission; and transmitting a data transmission response to the first base station based on the determining.
    Type: Application
    Filed: March 30, 2020
    Publication date: April 6, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Jie Shi, Lianhai Wu, Haiming Wang, Jing Han, Ran Yue, Jie Hu
  • Publication number: 20230098506
    Abstract: Apparatuses, methods, and systems are disclosed for selecting a base unit in response to a handover condition being triggered. One method (1000) includes selecting (1002) a base unit of multiple base units for handover in response to at least one base unit of the multiple base units triggering a handover condition. The method (1000) includes transmitting (1004) a random access preamble to the base unit. The method (1000) includes performing (1006) a reestablishment procedure to establish communication with one base unit of the multiple base units in response to determining an inability to access each base unit of the multiple base units that meets the handover condition.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 30, 2023
    Inventors: Lianhai Wu, Jing Han, Haiming Wang, Zhuoyun Zhang, Hongchao Li
  • Publication number: 20230078923
    Abstract: The present application relates to a user equipment, a base station, and a method for relaxed RRM measurement. The base station transmits information to the user equipment. The user equipment receives the information from a base station on a condition for enabling a relaxed RRM measurement, and then performs the relaxed RRM measurement during a period according to the information. The period is associated with a state of the user equipment.
    Type: Application
    Filed: February 27, 2020
    Publication date: March 16, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Jie Shi, Lianhai Wu, Haiming Wang, Jing Han, Ran Yue, Jie Hu
  • Patent number: 11606170
    Abstract: The present disclosure is directed to a method and apparatus for HARQ-ACK and SR transmission. According to an embodiment of the present disclosure, a method may include: configuring a first PUCCH resource for a HARQ-ACK transmission and a second PUCCH resource for a SR transmission; determining whether the HARQ-ACK transmission in the first PUCCH resource overlaps with the SR transmission in the second PUCCH resource in time domain; and in response to that the HARQ-ACK transmission in the first PUCCH resource overlaps with the SR transmission in the second PUCCH resource, at least dropping the exactly overlapped part of one of the HARQ-ACK transmission in the first PUCCH resource and the SR transmission in the second PUCCH resource.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: March 14, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Hongchao Li, Joachim Löhr, Lianhai Wu
  • Patent number: 11601796
    Abstract: A relay selection method and apparatus and a system. The method includes: relay equipment broadcasts relay discovery information, the relay discovery information including identifier information (a relay UE ID) of the relay equipment and identifier information (a cell ID) of a serving cell of the relay equipment, so that remote terminal receiving the relay discovery information selects relay equipment according to the relay discovery information or transmits relay information of discovered relay equipment to an eNB, thus the eNB may select relay equipment for the remote terminal. With certain embodiments, the serving cell may learn a cell where a relay to which the terminal accesses is located, so as to perform configuration for the terminal or perform path switching of downlink data.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: March 7, 2023
    Assignee: FUJITSU LIMITED
    Inventors: Lianhai Wu, Haibo Xu, Hua Zhou
  • Patent number: 11601181
    Abstract: Methods and apparatuses for recovering from beam failure are disclosed. A method of recovering from beam failure, comprising: sending a beam failure recovery request message including information regarding beam failure recovery and information regarding a new candidate beam via a working beam of a first cell; monitoring a response via the new candidate beam of a second cell; and receiving the response via the new candidate beam from the second cell.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: March 7, 2023
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Chenxi Zhu, Lianhai Wu, Zhennian Sun, Hongmei Liu
  • Publication number: 20230064488
    Abstract: The present application relates to a method and apparatus for aligning sidelink DRX configuration. One embodiment of the subject application provides a method for sidelink communication, comprising: receiving, from a second User Equipment (UE), a second request for one or more sidelink Discontinuous Reception (DRX) configurations, wherein the second request includes assisting information; and transmitting, by the first UE, the one or more sidelink DRX configurations determined based on the assisting information to the second UE.
    Type: Application
    Filed: January 22, 2020
    Publication date: March 2, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Jing Han, Haiming Wang, Lianhai Wu, Ran Yue, Jie Shi, Jie Hu
  • Publication number: 20230069615
    Abstract: The subject application relates to method and apparatus of group-based resource allocation. A method performed by a first Base station (BS), comprises: transmitting a scheduling user equipment (S-UE) qualification criterion to a group of UEs; receiving at least one request for being a first S-UE from at least one member UE (M-UE) in the group that satisfies the S-UE qualification criterion; transmitting a signal indicating the first S-UE based on the at least one request; and transmitting, to the first S-UE, group-based resource information for the group of UEs.
    Type: Application
    Filed: February 14, 2020
    Publication date: March 2, 2023
    Applicant: Lenovo (Beijing) Ltd.
    Inventors: Jie Hu, Jing Han, Haiming Wang, Lianhai Wu, Jie Shi, Ran Yue
  • Patent number: 11595859
    Abstract: Apparatuses, methods, and systems are disclosed for discarding data corresponding to a conditional handover. One apparatus includes a transmitter that transmits information corresponding to a conditional handover to multiple candidate cells. The information indicates to one or more candidate cells of the multiple candidate cells a time to discard data or to discard the data.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: February 28, 2023
    Assignee: Motorola Mobility LLC
    Inventors: Lianhai Wu, Zhi Yan, Chenxi Zhu, Haiming Wang