Abstract: A data transmission method, a terminal device and a network device are provided. The method includes: receiving PDSCH; determining a size of a semi-static HARQ-ACK codebook according to a number of repetition transmissions of the PDSCH; and performing a corresponding HARQ-ACK feedback for the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook.

Abstract: Disclosed in the present application are a method and device for feeding back downlink data. When a processing duration of an UE is shortened, feedback timing information for feeding back downlink data may be adaptively changed. The method comprises: determining a processing capability of an UE, the processing capability referring to a processing duration that the UE takes to process the received downlink data to determine whether said downlink data needs to be retransmitted; according to the determined processing capability, determining the feedback timing information of the UE feeding back the downlink data.

Abstract: The present application provides a frequency domain spreading and de-spreading method and apparatus. In embodiments of the present application, user equipment acquires indication information of an orthogonal sequence used by a transmission physical uplink control channel (PUCCH); the user equipment spreads, according to an orthogonal sequence corresponding to the indication information of the orthogonal sequence, a frequency domain for uplink control information borne by the PUCCH; and the user equipment transmits, over a frequency domain resource corresponding to the PUCCH, the uplink control information of which the frequency domain is spread. The present application can spread a frequency domain for uplink control information borne by a PUCCH.

Abstract: The core network accessing method includes: transmitting PLMN indication information about a base station to a UE, the PLMN indication information including information about PLMNs connected to a core network of a first type and information about PLMNs connected to a core network of a second type; receiving information about a target PLMN selected by the UE in accordance with the PLMN indication information and matching the UE, and determining a target core network to be accessed in accordance with the information about the target PLMN; and interacting with the target core network and the UE, so as to enable the UE to access the target core network via the target PLMN.

Abstract: A method of sending control information, a method of receiving control information, a base station, and a terminal are provided. The method of sending control information is applied to a base station and includes: acquiring an index, in a preset DMRS configuration table, of DMRS configuration information of a PDSCH; and sending the index to a terminal through downlink control information.

Abstract: A method of indicating a synchronization signal block (SSB), a method of determining SSB, an apparatus of indicating an SSB, an apparatus of determining an SSB, a base station, user equipment (UE) and a computer readable storage medium are provided. The method of indicating an SSB includes: determining a target pattern from a plurality of patterns and acquiring serial number information corresponding to the SSB based on the target pattern; determining, according to the serial number information corresponding to the SSB, position indication information in an indication signaling for indicating a corresponding position of the SSB; and transmitting the position indication information to UE.

Abstract: Disclosed are a method and device for determining a preamble sequence of a physical random access channel. The method comprises: includes in a previous stage, receiving respective preamble sub-sequences, and determining instances of time at which the respective preamble sub-sequences are detected in a detection window; in a current stage, receiving respective preamble sub-sequences, and determining instances of time at which the respective preamble sub-sequences are detected in the detection window; and determining preamble sub-sequences belonging to a same preamble sequence according to the instances of time at which the respective preamble sub-sequences are detected in the current stage, and the instances of time at which the respective preamble sub-sequences are detected in the previous stage.

Abstract: A UE location area update method, an access network entity, a UE, and a core network entity are provided. The method includes: receiving, by an access network entity, a location-area updating request message transmitted by the UE; and transmitting a location-area updating message to the UE by the access network entity, wherein the location-area updating message at least includes target RNA information, the target RNA information is RNA information updated for the UE by the access network entity according to the location-area updating request message.

Abstract: The present disclosure provides a reference signal mapping method and a reference signal mapping device. An N-port reference signal pattern is acquired in accordance with a 4-port or 8-port reference signal pattern, and N is an integer greater than 16. The N-port reference signal pattern includes an 18-port, 20-port, 24-port, 28-port or 32-port reference signal pattern. In the case of mapping a reference signal, RE positions to which a CSI-RS is mapped are determined in accordance with the N-port reference signal pattern, and resource mapping is performed on the CSI-RS in accordance with the RE positions, so as to map more-than-16-port CSI-RS, thereby to transmit the more-than-16-port CSI-RS.

Abstract: A method for triggering network policy update, a management function entity and a core network device are provided. The method is configured to be applied to a policy management function entity, and includes: acquiring a network policy parameter, the network policy parameter being determined and acquired in accordance with application layer information of a UE; and triggering the network policy update in accordance with the network policy parameter.

Abstract: A UCI transmission method, a UCI reception method, a terminal and a base station are provided. The UCI transmission method includes, when a collision is present between different types of UCIs with a first TTI length and/or a collision is present between a UCI with the first TTI length and a UCI with a second TTI length, transmitting the UCIs with the collision to a base station simultaneously using a second sPUCCH format on a predetermined sPUCCH resource corresponding to the second sPUCCH format, or determining a transmission scheme for the UCIs with the collision in accordance with a sPUCCH format adopted by the UCI with the first TTI length.

Abstract: A paging processing method and a paging processing device are provided. The paging processing method includes: when a remote UE needs to monitor and/or receive a paging message through a paging relay, determining, by the remote UE, a relay UE corresponding to the remote UE, the relay UE being configured to monitor and/or receive the paging message transmitted by a network to the remote UE; establishing, by the remote UE, a paging relay connection with the relay UE; and after the establishment of the paging relay connection, monitoring and/or receiving, by the remote UE, the paging message forwarded by the relay UE.

Abstract: A method and a device for downlink data transmission are provided. The method includes: in the case that a network side has downlink data needing to be sent to a terminal in an inactive connection state, sending, to the terminal, by one or more access devices, an indication message carrying an inactive connection state terminal identification of the terminal; and receiving, by the one or more access devices, an uplink feedback initiated by the terminal based on the indication message. The terminal in the Inactive state may perform a fast downlink data transmission.

Abstract: A method for transmitting uplink Sounding Reference Signal, SRS, a terminal, a network side device and a storage medium are provided. The method includes determining a transmission manner for one or more uplink SRSs in a wideband system by a terminal according to a configuration from a network side device, wherein the wideband system is configured with a plurality of basic parameters; transmitting the one or more uplink SRSs to the network side device in the wideband system by the terminal according to the transmission manner.

Abstract: The beam processing method for use in the base station includes: transmitting a first downlink transmission beam training signal to a UE, and receiving first recommended beam-related information reported by the UE in accordance with the first downlink transmission beam training signal; transmitting a second downlink transmission beam training signal to the UE, and receiving second recommended beam-related information reported by the UE in accordance with the second downlink transmission beam training signal; determining a target downlink transmission beam in accordance with the first recommended beam-related information and the second recommended beam-related information; and performing a switching operation on one or more currently-adopted valid downlink transmission beams in accordance with the target downlink transmission beam.

Abstract: A method and device for data transmission are provided, the method includes: determining, by a terminal, a correspondence between bearer types and user-plane configurations: receiving, by the terminal, bearer type indication information indicated by a network side, the bearer type indication information carrying a bearer type identity; determining, by the terminal, the user-plane configuration corresponding to a bearer according to the bearer type identity carried in the bearer type indication information and the correspondence between the bearer types and the user-plane configurations; and performing, by the terminal, data transmission according to the determined user-plane configuration.

Abstract: Embodiments of the application provide a paging method, device and system. The method includes: when receiving downlink data of a User Equipment (UE) under Light Connection (LC) state, a first evolved Node B (eNB) generating a paging ID for the UE; the first eNB transmits a paging message within a paging area, according to the paging ID.

Abstract: The present application provides a method and a device for transmitting feedback information. The method includes: determining, by a transmitting terminal, a first code book in accordance with a channel measurement result, precoding matrices included in the first code book being obtained through transformation of a same construction matrix; calculating, by the transmitting terminal, to obtain a first CQI in accordance with all or part of the precoding matrices in the first code book; and transmitting, by the transmitting terminal, first indication information for indicating the first code book and second indication information for indicating the first CQI to a receiving terminal.

Abstract: The present disclosure provides a reference signal mapping method and a reference signal mapping device. An N-port reference signal pattern is acquired in accordance with a 4-port or 8-port reference signal pattern, and N is an integer greater than 16. The N-port reference signal pattern includes an 18-port, 20-port, 24-port, 28-port or 32-port reference signal pattern. In the case of mapping a reference signal, RE positions to which a CSI-RS is mapped are determined in accordance with the N-port reference signal pattern, and resource mapping is performed on the CSI-RS in accordance with the RE positions, so as to map more-than-16-port CSI-RS, thereby to transmit the more-than-16-port CSI-RS.

Abstract: A method and a device for determining multi-user transmission mode are provided. The method includes: grouping terminals based on channel spatial characteristics of the terminals; allocating data transmission modes to the terminals, where data transmission of the terminals in different groups is performed on an identical scheduling time-frequency resource and in a Multi-User Multiple-Input Multiple-Output (MU-MIMO) mode, and data transmission of the terminals in an identical group is performed on the scheduling time-frequency resource and in a non-orthogonal multiple access mode.