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.

Abstract: A method and device for sending and receiving a preamble sequence of a physical random access channel, comprising: scrambling a preamble subsequence and then sending, the preamble subsequence being scrambled according to a cyclic shift value of a preamble subsequence sent in the previous stage; performing a descrambling operation according to a cyclic shift value of a preamble subsequence received in the previous stage during reception; and determining a preamble sub-sequence detected after descrambling as a preamble sub-sequence received in the current stage, where the received preamble sub-sequence in the current stage and the received preamble sub-sequence in the previous stage belong to the same preamble sequence.

Abstract: Disclosed are a method and apparatus for determining an RA-RNTI. In the present application, a base station receives a random access preamble sent by a terminal; the base station determines an RA-RNTI according to a time-frequency resource occupied by the random access preamble, wherein the time-frequency resource is a time-frequency resource of an orthogonal frequency division multiplexing (OFDM) symbol level; and the base station sends a random access response message, wherein the random access response message comprises downlink control information allocated, by the base station, for the terminal, and the downlink control information is scrambled using the RA-RNTI. By means of the present application, an RA-RNTI can be determined during a random access process of an NR system.

Abstract: Disclosed are a method and apparatus for transmitting and detecting downlink control information. The method involves determining a state of resource allocation in a downlink transmission time period, the resource allocation corresponds to allocation of at least one downlink transmission resource region; and transmitting downlink control information on a preset resource in the at least one downlink transmission resource region, the downlink control information being used for scheduling at least one terminal to perform data transmission in the downlink transmission resource region. The method also involves detecting the downlink control information on the preset resource in the downlink transmission time period; determining, according to the detected downlink control information, a data transmission region indicated by the downlink control information; and detecting follow-up downlink control information according to the data transmission region.

Abstract: Disclosed are a data transmission method, a terminal, and a base station. Determined is that a TB needs to be divided into M CBG; grouping, according to a preset grouping scheme, multiple CB produced when the one TB is code block segmented, thus diving the one TB into the M CBG; and transmitting data according to the M CBG, where M is a positive integer. The technical solution of the present invention solves the technical problem of low data transmission efficiency and low resource utilization rate in an LTE system found in the prior art.

Abstract: Disclosed in the present application are a locating method for an uplink time difference of arrival, and an apparatus thereof.

Abstract: The present application discloses a resource selection method, a data transmission method and a device, relating to the field of communication technology. In the embodiment of the present application, in a case where it is determined that the resource multiplexing mode of the first link and the second link is frequency division multiplexing, by judging whether the selected link is allowed to select a resource that overlaps with the selected resource on another link in the time domain, it may further determine whether to select a resource that does not overlap with the selected resource on another link in the time domain to transmit a service packet to be sent, such that it can also be adjusted according to actual needs based on the pre-configuration, thereby greatly increasing the flexibility of resource selection and the efficiency of spectrum use.

Abstract: The present application relates to the technical field of wireless communications, and in particular to a resource selection method and apparatus, a UE and a storage medium. The method involves: when a plurality of service packets arrive, for each service packet, if the number of candidate resource sets obtained by the current service data is at least two, determining a target resource set of the service packet; or when a plurality of service packets arrive, a UE sequentially selecting a sending resource in the corresponding target candidate resource set for each service packet, and before selecting the sending resource, excluding first time slot resources and determining second time slot resources, and preferentially selecting the sending resource in available resources on the second time slot resources.

Abstract: The application discloses an ACK/NACK feedback method and an associated apparatus serving to resolve the problem arising from data in different transmission time intervals having different transmission and processing latencies, leading to different earliest time points to transmit an ACK/NACK feedback message, and subsequently resulting in being unable to ensure normal ACK/NACK feedback in downlink transmission.

Abstract: Disclosed are a method and device for determining a baseband parameter, used for solving the problem of there not yet being an explicit solution for how to determine a numerology in a new radio communication system. The method comprises: according to an initial synchronization signal it detects, a terminal determining the TRP group to which said terminal belongs; according to a third synchronization signal detected in the TRP group and/or system information of the terminal group, the terminal determining the numerology. The solution provided by the embodiments of the present invention correctly identifies numerologies corresponding to different sub-bands, different TRPs, and/or different beams in a TRP group, thus achieving synchronization with different sub-bands, different TRPs, and/or different beams in the TRP group and ensuring that the terminal may operate, according to correct numerology, on a corresponding sub-band, TRP, or beam.

Abstract: Disclosed are a method and device for transmitting a positioning reference signal. The method includes a base station determining a time-frequency resource for sending a PRS according to configuration information of the PRS, mapping a PRS sequence to the time-frequency resource for sending the PRS, and sending the mapped PRS on the time-frequency resource for sending the PRS, wherein the configuration information of the PRS comprises PRS frequency domain resource information; the PRS frequency domain resource information comprises PRS resource element (RE) frequency shift information, and the PRS RE frequency shift information is correlated with a PRS OFDM symbol index value calculated from a PRS occasion.

Abstract: The present application discloses an uplink data retransmission method and terminal. The method comprises: a terminal determining whether to spontaneously retransmit first uplink data; and if the terminal determines to spontaneously retransmit the first uplink data, the terminal retransmitting the first uplink data on a physical resource that is pre-configured on a network side. The application adopts the above technical solution to resolve the technical problem in which, for a URLLC service, if a retransmission mechanism is based on a conventional HARQ mechanism, a certain time interval is required between two adjacent transmissions of uplink data, which may result in retransmission being unsupported for a certain time delay requirement and configuration, and as a result a reliability requirement for the URLLC service cannot be met.

Abstract: Disclosed is a method, device, apparatus for transmitting and receiving a request signal, comprising: a base station determines a channel occupancy request signal to be transmitted, the channel occupancy request signal being a request signal for requesting channel occupancy to a terminal after the base station executes a listen-before-talk operation on the direction corresponding to at least one beam; the base station schedules transmission of the channel occupancy request signal on a downlink control channel; the terminal detects the downlink control channel that schedules the transmission of the channel occupancy request signal; and the terminal receives the channel occupancy request signal according to a detection result. The use of the present invention overcomes a defect of the prior art that has no design for the channel occupancy request signal, and implements transmission of an eNB channel occupancy request signal.

Abstract: The present application provides a PUCCH-based uplink control information transmission method and apparatus. User equipment determines, according to downlink control information (DCI), a format of a physical uplink control channel (PUCCH) and/or information of a used orthogonal sequence; and the user equipment transmits, according to the format of the PUCCH and/or the information of the used orthogonal sequence, uplink control information borne by the PUCCH. The present application can implement selection of a transmission structure of a PUCCH to transmit uplink control information.

Abstract: Disclosed are a signal transmission method and device for realizing transmission of a triggered reference signal, so as to enable a terminal to immediately utilize a reference signal to perform a corresponding operation, lower power consumption of the terminal, and to achieve power saving effects. The embodiments of the present application provide a signal transmission method at a network side, the method comprising: sending to a terminal a wakeup signal used to wake up the terminal; and sending a reference signal to the terminal; or sending to a terminal a wakeup signal used to wake up the terminal and a message indicating whether the network side will send a reference signal.

Abstract: The embodiments of the present application provide a wakeup region update method and device for updating a wakeup region of a terminal. The method includes a terminal receiving a wakeup signal, the wakeup signal carrying a wakeup region indicator; and the terminal updating the wakeup region indicator of the terminal according to the wakeup region indicator carried by the wakeup signal received. The present application is adopted to achieve updating and maintenance of the wakeup region of the terminal.

Abstract: The present application provides a method and apparatus for configuring a transmission bandwidth, and a device, for accelerating an activation speed of a carrier/BWP, reducing waiting time of a UE, and saving power consumption of the UE. The method comprises: determining a first carrier/first BWP; and sending a PDCCH to a user terminal UE by means of a second carrier/second BWP, the PDCCH being used for bearing instruction information for activating the first carrier/first BWP and sending a reference signal over the first carrier/first BWP, so that the UE may activate the first carrier/first BWP and receive the reference signal, wherein the reference signal is used by the UE for performing channel measurement and synchronous tracking on the first carrier/first BWP.

Abstract: Disclosed by the present application are a positioning method and apparatus, which are used to improve indoor positioning performance and precision without occupying a large amount of system resources. At a positioning server side, a positioning method provided by an embodiment of the present application comprises: acquiring a positioning capability supported by a user equipment (UE), and determining, according to the positioning capability, that the UE may obtain a positioning measurement value by means of detecting a positioning reference signal ioPRS that is used for indoor/outdoor positioning; acquiring positioning auxiliary data comprising ioPRS configuration data, and sending the positioning auxiliary data to the UE; acquiring the positioning measurement value that is provided by the UE and that is acquired on the basis of the ioPRS, and using the positioning measurement value to position the UE.

Abstract: Embodiment of the present application provides a transmission method, a terminal device, and a base station, used to solve the technical problem in the related art that there is no method supporting CBG-based retransmission and ACK/NACK feedback. The transmission method comprises: receiving by the terminal device a downlink control channel; and acquiring by the terminal device a first indication field from the downlink control channel, the first indication field being used to indicate whether each code block group (CBG) in the corresponding CBGs in an initial transmission of TB needs to be retransmitted.

Abstract: Disclosed are a signal transmission method and apparatus for transmitting a PRS signal in a 5G NR system, enabling a PRS to be applied to terminal positioning in a 5G NR system. Provided are a signal transmission method, comprising: determining positioning reference signal (PRS) configuration information preset for a cell; and sending a PRS signal to a terminal according to the PRS configuration information.