Patents by Inventor Qiaoyu Li

Qiaoyu Li 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: 20220279563
    Abstract: Methods, systems, and devices for wireless communications are described. A bandwidth reduced low-tier user equipment (UE) may receive a signal identifying a control resource set for the UE to monitor for control information scheduling communications between the UE and a base station, the control resource set comprising a plurality of control channel elements organized across more than three symbols and comprising one or more first resource element groups mapped to a first monitoring occasion and one or more second resource element groups mapped to a second monitoring occasion. The UE may receive, during the first monitoring occasion, at least a first portion of the control information on the one or more first resource element groups. The UE may receive, during the second monitoring occasion, at least a second portion of the control information on the one or more second resource element groups. The UE may communicate with the base station in accordance with the control information.
    Type: Application
    Filed: July 31, 2020
    Publication date: September 1, 2022
    Inventors: Chao WEI, Qiaoyu LI, Hao XU
  • Publication number: 20220279477
    Abstract: In an embodiment, a node (e.g., a UE, BS or relay node) transmits a paging message including at least one reference value associated with an event. At least one UE responds to the paging message (e.g., based on the presence of the at least one reference value in the paging message) with a response including UE-identifying information and the at least one reference value associated with the event. In an example where the node is a relay node, the relay node may coordinate with a BS so as to obtain an allocation of paging resources for transmission of the paging message. In a further embodiment, a UE may transmit, to a BS, at least one Message-A comprised by a PUSCH of a 2-Step RACH procedure, wherein the Message-A includes the at least one reference value associated with the event.
    Type: Application
    Filed: September 13, 2019
    Publication date: September 1, 2022
    Inventors: Qiaoyu LI, Jing LEI, Chao WEI
  • Publication number: 20220271894
    Abstract: Various aspects of the present disclosure relate to wireless communication. In some aspects, a user equipment (UE) may receive a master information block that identifies a first control resource set (CORESET) for a first category of UEs and a first common search space (CSS) associated with the first CORESET. The first CORESET and the first CSS may identify one or more overlapping resource grids that overlap in time and frequency with one or more corresponding resource grids of a second CORESET and a second CSS, associated with the second CORESET, for a second category of UEs, and one or more non-overlapping resource grids that include a corresponding one or more time domain resources that are earlier than a time domain resource of the second CORESET and the second CSS. The UE may monitor for a physical downlink control channel candidate included in the first CORESET and the first CSS.
    Type: Application
    Filed: August 5, 2019
    Publication date: August 25, 2022
    Inventors: Qiaoyu LI, Chao WEI, Hao XU
  • Publication number: 20220263635
    Abstract: Aspects of the present disclosure provide techniques for transmitting an uplink preemption indication in an integrated access and backhaul (IAB) system identifying the resources or symbols that may be punctured by the IAB in order to minimize self-interference at an IAB node when an ultra-reliable-low latency communications (URLLC) packet is received at the IAB node from one of a child IAB node or a user equipment (UE) during an on-going uplink transmission from an IAB node to a parent backhaul node.
    Type: Application
    Filed: August 1, 2019
    Publication date: August 18, 2022
    Inventors: Qiaoyu LI, Yu ZHANG, Min HUANG, Chao WEI
  • Publication number: 20220264321
    Abstract: Methods, systems, and devices for wireless communications are described. A relay node may determine a channel status for each of a plurality of downlink beamforming directions between a parent node and the relay node based at least in part on a downlink beamforming direction between the relay node and a child node. The relay node may transmit a report to the parent node indicating at least a subset of the channel statuses and an indication that a respective downlink beamforming direction of the plurality of downlink beamforming directions corresponds to a respective channel status in the subset of the channel statuses. The relay node may receive a grant from the parent node indicating a first downlink beamforming direction. The relay node may monitor for a downlink transmission from the parent node based at least in part on the grant and the first downlink beamforming direction.
    Type: Application
    Filed: July 18, 2019
    Publication date: August 18, 2022
    Inventors: Min HUANG, Chao WEI, Qiaoyu LI
  • Patent number: 11418245
    Abstract: Certain aspects of the present disclosure provide techniques for reporting channel state information (CSI) with spatial and time domain compression. A method comprises receiving one or more signals from a second wireless communications device, determining a precoder matrix index (PMI) based on the signals, performing a channel-tap compression of the PMI and transmitting the channel-tap compressed PMI to the second wireless communications device.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 16, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Liangming Wu, Yu Zhang, Chenxi Hao, Qiaoyu Li, Wanshi Chen
  • Publication number: 20220256533
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an integrated access and backhaul (IAB) node may transmit, to a parent node of the IAB node, full-duplex (FD) information based at least in part on a transmit power value for an FD mode. The IAB node may receive an FD resource allocation for the IAB node, wherein the FD resource allocation identifies a resource to be used for a first communication link with the parent node and a second communication link in the FD mode, and wherein the FD resource allocation is based at least in part on the FD information. The IAB node may communicate on the first communication link and the second communication link in accordance with the FD resource allocation. Numerous other aspects are provided.
    Type: Application
    Filed: July 9, 2019
    Publication date: August 11, 2022
    Inventors: Min HUANG, Chao WEI, Qiaoyu LI
  • Publication number: 20220255604
    Abstract: The frequency domain basis may be fed back in a CSI report from a user equipment (UE), with extra overhead and computation cost. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE configured to receive, from a base station, CSI reference signals (CSI-RS). The apparatus may be further configured to receive, from the base station, a configuration including a frequency domain basis restriction indicating a frequency domain basis subset, where the frequency domain basis subset is selected from a frequency domain basis set. The apparatus may be configured to prepare, upon receiving the frequency domain basis restriction, a CSI report based on the CSI-RS and the frequency domain basis subset. The apparatus may be further configured to transmit the CSI report to the base station.
    Type: Application
    Filed: August 21, 2020
    Publication date: August 11, 2022
    Inventors: Liangming WU, Chenxi HAO, Qiaoyu LI, Min HUANG, Yu ZHANG, Wanshi CHEN, Chao WEI
  • Publication number: 20220256556
    Abstract: A configuration of providing uplink resources that supports low throughput traffic and high throughput traffic, while providing efficient utilization of downlink resources. The apparatus configures at least one UE with a set of group identifiers, the set of group identifiers including at least one group identifiers. The apparatus transmits a GC-DCI in a GC search space, the GC-DCI indicates to the at least one UE a change of uplink data resources, the GC-DCI may be encoded using a group identifier from the set of group identifiers.
    Type: Application
    Filed: September 4, 2020
    Publication date: August 11, 2022
    Inventors: Qiaoyu LI, Chao WEI, Peter Pui Lok ANG
  • Patent number: 11411630
    Abstract: Certain aspects of the present disclosure provide techniques for reporting beam-strength related Type-II channel state information (CSI) coefficient feedback.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: August 9, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Qiaoyu Li, Min Huang, Liangming Wu, Chenxi Hao, Chao Wei
  • Publication number: 20220248431
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a sub-band specific sounding reference signal (SRS) resource indicator identifying subsets of SRS resources, of a set of SRS resources, associated with precoding a physical uplink shared channel (PUSCH) communication that is to be transmitted in a PUSCH resource. The user equipment may precode the PUSCH communication based at least in part on the sub-band specific SRS resource indicator. The user equipment may transmit the PUSCH communication after precoding the PUSCH communication based at least in part on the sub-band specific SRS resource indicator. Numerous other aspects are provided.
    Type: Application
    Filed: August 6, 2020
    Publication date: August 4, 2022
    Inventors: Qiaoyu LI, Yu ZHANG, Chao WEI, Wanshi CHEN
  • Publication number: 20220247532
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may identify a sounding reference signal (SRS) resource associated with an uplink precoding resource block group of a physical uplink shared channel (PUSCH) resource. The user equipment may precode a portion of a PUSCH communication, to be transmitted in the uplink precoding resource block group, based at least in part on the identified SRS resource. The user equipment may transmit the PUSCH communication after precoding the PUSCH communication. Numerous other aspects are provided.
    Type: Application
    Filed: August 6, 2020
    Publication date: August 4, 2022
    Inventors: Qiaoyu LI, Chao WEI, Yu ZHANG, Liangming WU, Chenxi HAO, Min HUANG, Hao XU, Wanshi CHEN
  • Publication number: 20220247467
    Abstract: Certain aspects of the present disclosure provide techniques for a user equipment (UE) to determine channel state information (CSI) to feedback to a base station (BS) in a full-duplex wireless communications system while considering UE-to-UE interference and for the BS to configure the UE to provide the CSI to the BS. In an exemplary method, a UE receives, from a base station (BS) in a full-duplex communications system, a channel state information (CSI) report configuration including at least a first indicator of a first associated set of sounding reference signal (SRS) resources; and transmits to the BS a CSI report including CSI and zero or more second indicators of sets of measured SRS resources.
    Type: Application
    Filed: May 18, 2020
    Publication date: August 4, 2022
    Inventors: Min HUANG, Chao WEI, Yu ZHANG, Qiaoyu LI, Liangming WU
  • Publication number: 20220239351
    Abstract: Methods, systems, and devices for wireless communications are described for enabling a network equipment to reduce interference for downlink (DL) transmissions to a first device by determining a transmit precoding matrix indicator (TPMI) for uplink (UL) transmissions transmitted by a second device based on feedback from the first device. The first device may determine a subset of possible TPMIs that the second device may use for UL transmissions for full-duplex communications. The first device may indicate the subset to the network equipment. Based on the subset indicated by the first device, the network equipment may determine a pairing of the first device and the second device for full-duplex communications. Additionally, the network equipment may determine a TPMI for the second device to use in UL transmissions and indicate the TPMI to the second device.
    Type: Application
    Filed: May 14, 2020
    Publication date: July 28, 2022
    Inventors: Min HUANG, Yu ZHANG, Chao WEI, Qiaoyu LI, Yuwei REN, Liangming WU, Chenxi HAO, Wanshi CHEN, Hao XU
  • Publication number: 20220232556
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information for an uplink control channel, wherein the configuration information includes at least one of: a first resource identifier associated with a non-full-duplex (non-FD) zone, or a second resource identifier associated with a full-duplex (FD) zone. The UE may transmit uplink control information (UCI) on the uplink control channel in at least one of the non-FD zone or the FD zone in accordance with the configuration information. Numerous other aspects are provided.
    Type: Application
    Filed: July 1, 2019
    Publication date: July 21, 2022
    Inventors: Yuwei REN, Chao WEI, Min HUANG, Yu ZHANG, Huilin XU, Qiaoyu LI, Chenxi HAO, Liangming WU, Hao XU, Changlong XU, Wanshi CHEN
  • Publication number: 20220225138
    Abstract: Apparatus, methods, processing systems, and computer readable mediums for beam management in multi-TRP scenarios are disclosed. An exemplary method generally includes receiving a channel state information reference signal (CSI-RS) resource configuration from at least one base station (BS) for one or more transmission hypotheses, wherein the CSI-RS resource configuration includes CSI-RS resources corresponding to at least a first downlink (DL) demodulation reference signal (DMRS)-port-group and a second DL DMRS-port-group, performing one or more CSI-RS measurements for the one or more transmission hypotheses based, at least in part on the CSI-RS resource configuration, and determining, for each of the one or more transmission hypotheses, a preferred reception beam for communicating with the at least one BS based, at least in part, on the one or more CSI-RS measurements.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 14, 2022
    Inventors: Qiaoyu LI, Yu ZHANG, Liangming WU, Chenxi HAO, Chao WEI, Min HUANG, Yuwei REN, Hao XU, Wanshi CHEN
  • Publication number: 20220191800
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive an indication of a first transmit power configuration and a second transmit power configuration for a physical uplink shared channel (PUSCH) communication. The wireless communication device may transmit, using a first transmit power that is based at least in part on the first transmit power configuration, a first portion of the PUSCH communication in a full-duplex portion of a time-frequency resource. The wireless communication device may transmit, using a second transmit power that is based at least in part on the second transmit power configuration, a second portion of the PUSCH communication in a non-full-duplex portion of the time-frequency resource. Numerous other aspects are provided.
    Type: Application
    Filed: April 6, 2019
    Publication date: June 16, 2022
    Inventors: Min HUANG, Chao WEI, Yuwei REN, Yu ZHANG, Qiaoyu LI, Chenxi HAO, Liangming WU, Hao XU
  • Publication number: 20220191838
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a node may determine a first set of time-frequency resources, within a time duration, for full-duplex communications and a second set of time-frequency resources, within the time duration, for non-full-duplex communications. The node may transmit to a wireless communication device and based at least in part on determining the first set of time-frequency resources and the second set of time-frequency resources, an indication of the first set of time-frequency resources, the second set of time-frequency resources, and corresponding transport formats for the first set of time-frequency resources and the second set of time-frequency resources. Numerous other aspects are provided.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 16, 2022
    Inventors: Min HUANG, Chao WEI, Yuwei REN, Yu ZHANG, Qiaoyu LI, Hao XU
  • Publication number: 20220183001
    Abstract: Certain aspects of the present disclosure provide techniques for scheduling hybrid automatic repeat request (HARQ) feedback and controlling the transmit power of the HARQ feedback. An example method generally includes generating a configuration for physical uplink control channel (PUCCH) resource sets assigned to at least one user equipment (UE), wherein each of the PUCCH resources sets comprises PUCCH resources, transmitting the configuration for the PUCCH resource sets to the at least one UE, generating an uplink control reporting indication indicating the PUCCH resources associated with downlink demodulation reference signal (DMRS) port groups, transmitting the uplink control reporting indication, to the at least one UE, for use in reporting uplink control information (UCI), and receiving at least a part of the UCI associated with at least one of the downlink DMRS port groups from the at least one UE via the PUCCH resources indicated in the uplink control reporting indication.
    Type: Application
    Filed: September 19, 2019
    Publication date: June 9, 2022
    Inventors: Qiaoyu LI, Yu ZHANG, Chenxi HAO, Liangming WU, Hao XU, Wanshi CHEN
  • Publication number: 20220174680
    Abstract: Certain aspects of the present disclosure provide techniques for channel state information (CSI) reporting with frequency domain (FD) compression. A method that can be performed by a user equipment (UE) includes determining the size of the intermediate set based on one or more parameters included in the CSI report configuration, determining one or more FD bases for each layer based on the intermediate set, wherein the one or more FD bases are characterized by an M value indicative of a number of the one or more FD bases and based on the CSI report configuration, and reporting the one or more FD bases for each layer based on the size of the intermediate set.
    Type: Application
    Filed: April 21, 2020
    Publication date: June 2, 2022
    Inventors: Chenxi HAO, Yu ZHANG, Chao WEI, Qiaoyu LI, Liangming WU