Physical downlink control channel transmission method and apparatus

    公开(公告)号:US10292149B2

    公开(公告)日:2019-05-14

    申请号:US15759213

    申请日:2016-08-04

    Abstract: Disclosed are a physical downlink control channel transmission method and apparatus, which are used for achieving, in the case where an initial signal or signalling which indicates an initial position of a physical downlink shared channel is not transmitted, a method in which a physical downlink control channel is used for transmitting and indicating an initial position of a physical downlink shared channel. The method comprises: a terminal determining, according to each candidate time position in a set of candidate time positions and a set of candidate physical downlink control channel/enhanced physical downlink control channel resource positions corresponding to the candidate time position respectively, a physical downlink control channel/enhanced physical downlink control channel bearing downlink control information in an unauthorized frequency band wireless frame; and the terminal receiving the downlink control information by means of the determined physical downlink control channel/enhanced physical downlink control channel.

    Channel encoding method and device

    公开(公告)号:US11218248B2

    公开(公告)日:2022-01-04

    申请号:US16623380

    申请日:2018-04-20

    Abstract: The present application relates to the technical field of wireless communication, and particularly relates to a channel encoding method and device, for use to solve the problem that at present, there is no physical broadcast channel polar encoding method in a 5G scene. Embodiments of the present application relate to determining a polar mother code length according to transmission resources of a channel; performing polar encoding, according to the polar mother code length, on data needing to be transmitted over the channel to obtain target encoding data; processing the target encoding data according to the length of an actual bearer of the transmission resources; and determining, according to the processed target encoding data, encoding data needing to be transmitted over the channel. The embodiments of the present application achieve determining encoding data according to an actual transmission resource length of a channel, so that the processed encoding data can be ensured to be accurately transmitted over the channel.

    Information feedback method, base station, terminal and storage medium

    公开(公告)号:US10904919B2

    公开(公告)日:2021-01-26

    申请号:US16090128

    申请日:2017-03-08

    Abstract: An information feedback method, a base station, a terminal and a storage medium are provided. The information feedback method includes: sending downlink control information to a terminal, where the downlink control information includes indication information configured to instruct the terminal to perform an information feedback, and the indication information includes at least one of a feedback delay of feeding back feedback information by the terminal, an indication of whether a LBT process is performed when feeding back the feedback information by the terminal, a type of the LBT process performed when feeding back the feedback information by the terminal and a parameter configuration of the LBT process performed when feeding back the feedback information by the terminal; receiving the feedback information sent by the terminal based on the indication information in the downlink control information.

    DATA TRANSMISSION METHOD AND DEVICE IN UNLICENSED FREQUENCY BAND

    公开(公告)号:US20170332379A1

    公开(公告)日:2017-11-16

    申请号:US15524503

    申请日:2015-10-14

    Abstract: The present invention relates to the technical field of mobile communications. Embodiments of the present invention provide a data transmission method and device in an unlicensed frequency band. The method comprises: determining a termination position of to-be-transmitted data in a radio frame in an unlicensed frequency band; determining position indication information according to the termination position; and sending the position indication information, so that a user equipment determines, according to the position indication information, the termination position of the to-be-transmitted data in the radio frame in the unlicensed frequency band. In the method provided by the embodiments of the present invention, a termination position of transmitted data in a radio frame in an unlicensed frequency band is indicated to a user equipment by using position indication information, so that the user equipment is enabled to determine, according to the position indication information, the termination position of the transmitted data in the radio frame, and therefore accurately receives the data according to the termination position and the receiving position of the transmitted data.

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