Radio communications method, base station, and terminal

    公开(公告)号:US10959254B2

    公开(公告)日:2021-03-23

    申请号:US16077707

    申请日:2016-03-31

    Inventor: Kai Xu Xiaocui Li

    Abstract: A radio communications method, a base station, and a terminal, where the base station sends downlink control information to the terminal, where the downlink control information includes uplink scheduling indication information, and the uplink scheduling indication information instructing the terminal to send uplink data in a plurality of uplink subframes on at least one unlicensed carrier such that the terminal sends uplink data in a plurality of uplink subframes on one or more corresponding unlicensed carriers based on the uplink scheduling indication information, thereby implementing scheduling, using uplink scheduling indication information in one piece of downlink control information, of a plurality of uplink subframes to perform uplink transmission. This increases a data volume in data transmission while effectively reducing scheduling signaling overheads.

    Location information obtaining method and device

    公开(公告)号:US10375523B2

    公开(公告)日:2019-08-06

    申请号:US15650604

    申请日:2017-07-14

    Abstract: Embodiments provide a location information obtaining method and a device, and relates to the communications field. The method includes: obtaining, by a network device, location information of a reference point and location information of first user equipment; determining, by the network device, relative location information of the first user equipment relative to the reference point; and sending, by the network device, the location information of the reference point and the relative location information of the first user equipment relative to the reference point.

    Uplink Transmission Method Based on Licensed-Assisted Access LAA System, and Apparatus

    公开(公告)号:US20190159252A1

    公开(公告)日:2019-05-23

    申请号:US16099001

    申请日:2016-05-04

    Inventor: Kai Xu Xiaocui Li

    Abstract: An uplink transmission method based on a licensed-assisted access (LAA) system, and an apparatus, where the method includes reserving, for a transmission burst transmitted on an unlicensed carrier, at least one single-carrier frequency-division multiple access (SC-FDMA) symbol in a subframe of an uplink transmission burst corresponding to the transmission burst, where in the reserved at least one SC-FDMA symbol, user equipment (UE) accesses a channel using a listen-before-talk (LBT) access mechanism. Hence, a time gap for accessing the channel through LBT can be reserved for another UE in the uplink transmission burst. This improves a probability of successfully accessing the channel by another UE such that a plurality of UEs in an LAA communications system can perform uplink multiplexing.

    Method for Transmitting Channel State Information and Transmission Device

    公开(公告)号:US20180145736A1

    公开(公告)日:2018-05-24

    申请号:US15736468

    申请日:2015-06-30

    Inventor: Xiaocui Li Kai Xu

    Abstract: A method for transmitting channel state information and a transmission device includes sending, by a first device, carrier indication information to a second device, where the carrier indication information is used to indicate a carrier resource used when the second device sends channel state information of an unlicensed carrier; and receiving, by the first device, the channel state information sent by the second device. The first device indicates the carrier resource used for transmitting the channel state information, so that the second device can send the channel state information of the unlicensed carrier to the first device in time, and the first device can make a corresponding scheduling decision in time according to the channel state information of the unlicensed carrier.

    Resource Allocation Method and Apparatus, and System

    公开(公告)号:US20220417966A1

    公开(公告)日:2022-12-29

    申请号:US17898720

    申请日:2022-08-30

    Inventor: Xiaocui Li Kai Xu

    Abstract: A resource allocation method and apparatus are provided. The method includes: sending, by a network device, first information to user equipment, where the first information is used to indicate uplink resources corresponding to autonomous uplink transmission performed by the user equipment; and sending, by the network device, second information to the user equipment, where the second information is used to indicate a resource that is in the uplink resources and that is actually used by the user equipment to perform autonomous uplink transmission. In this application, the uplink resources corresponding to autonomous uplink transmission are allocated while resource utilization is ensured.

    Method for Determining HARQ Feedback Resource, Apparatus, and System

    公开(公告)号:US20220200742A1

    公开(公告)日:2022-06-23

    申请号:US17425904

    申请日:2020-02-13

    Abstract: A method for determining a hybrid automatic repeat request (HARQ) feedback resource includes determining, by a transmit end, the HARQ feedback resource of a receive end based on processing capability information of the receive end of a priority of data transmitted between the transmit end and the receive end, where the HARQ feedback resource carries HARQ information corresponding to the data transmitted between the transmit end and the receive end, and sending, by transmit end to the receive end, indication information indicating the HARQ feedback resource.

    Resource Allocation Method and Apparatus, and System

    公开(公告)号:US20210120571A1

    公开(公告)日:2021-04-22

    申请号:US16760335

    申请日:2018-10-31

    Inventor: Xiaocui Li Kai Xu

    Abstract: A resource allocation method and apparatus, and a system include sending, by a network device, first information to a user equipment, where the first information is for indicating uplink resources corresponding to autonomous uplink transmission performed by the user equipment, and sending, by the network device, second information to the user equipment, where the second information is for indicating a resource that is in the uplink resources and that is used by the user equipment to perform autonomous uplink transmission.

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