Abstract: Disclosed are a positioning and measurement reporting method and apparatus, used for implementing a solution regarding UE positioning in a 5G NR system. The present application provides a positioning method, comprising: determining a measurement configuration message of a user equipment (UE), the measurement configuration message comprising UE-level measurement reference signal configuration information; sending the measurement configuration message to the UE to instruct the UE to report the measurement; and positioning the UE on the basis of the measurement result reported by the UE.

Abstract: Provided are a data retransmission method and device, and a terminal. The method includes: acquiring a radio resource control (RRC) signaling, wherein the RRC signaling at least comprises a first configuration field and a second configuration field; the first configuration field is a configured grant (ConfiguredGrantConfig) field, and the second configuration field is a physical uplink shared channel configuration (PUSCH-config) field; in the case that a base station dynamically schedules the terminal to perform a retransmission of a PUSCH, determining a parameter set for the retransmission according to a configuration parameter comprised in the first configuration field and a configuration parameter comprised in the second configuration field; and performing the retransmission of the PUSCH according to the determined parameter set.

Abstract: An uplink resource allocation method, an uplink resource allocation device, a base station and a terminal are provided. The uplink resource allocation method includes determining resource allocation information of an msg3 in a CBRA process. The resource allocation information is determined by the base station in accordance with a predefined rule; or the resource allocation information is configured by the base station, and notified by the base station to the terminal. When the resource allocation information is determined in accordance with the predefined rule, a same predefined rule is used by the base station and the terminal.

Abstract: A narrowband PBCH transmission method and a narrowband PBCH transmission device are provided. A network side device transmits a narrowband PBCH carrying at least CRS transmission indication information. The CRS transmission indication information is to indicate the CRS port number and/or CRS frequency domain position in the LTE system. Through the CRS transmission indication information, it is able to enable the narrowband terminal working simultaneously with the LTE terminal in the LTE bandwidth to obtain the CRS in the LTE system, so that the narrowband downlink transmission may be demodulated through the CRS of the LTE system, and then the signal reception based on the CRS may be realized.

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: Provided are a data retransmission method and device, and a terminal. The method includes: acquiring a radio resource control (RRC) signaling, wherein the RRC signaling at least comprises a first configuration field and a second configuration field; the first configuration field is a configured grant (ConfiguredGrantConfig) field, and the second configuration field is a physical uplink shared channel configuration (PUSCH-config) field; in the case that a base station dynamically schedules the terminal to perform a retransmission of a PUSCH, determining a parameter set for the retransmission according to a configuration parameter comprised in the first configuration field and a configuration parameter comprised in the second configuration field; and performing the retransmission of the PUSCH according to the determined parameter set.

Abstract: An MCS table determination method, terminal, and base station and readable storage medium, used to determine an MCS table to be used in a communication process from out of a plurality of MCS tables. The method comprises: a terminal receives radio resource control (RRC) signaling sent by a base station and carrying indication information, the indication information being used to indicate a first MCS table, the first MCS table being one of a first MCS table type and a second MCS table type; and the terminal determines the first MCS table on the basis of the indication information.

Abstract: An uplink scheduling-free transmission method and an uplink scheduling-free transmission device are provided. The uplink scheduling-free transmission method includes: dividing, by a base station, MA resources into groups of MA resources, and configuring, by the base station, the groups of MA resources to obtain at least two groups of MA resource pools, wherein at least parts of respective MA resources in the at least two groups of MA resource pools are different from each other; and notifying, by the base station, a UE of the at least two groups of MA resource pools, to enable the UE to select an MA resource pool from the at least two groups of MA resource pools, wherein the selected MA resource pool is to be used by the UE.

Abstract: An RA method, a terminal, and a network side device are provided. The method includes: receiving, by a terminal within an activated BWP, DCI transmitted by a network side device, where the DCI includes an RA field; and determining, by the terminal according to the size of the activated BWP, RA information indicated by the RA field.

Abstract: Disclosed are a channel quality indication (CQI) sending method, and a data sending method and device, for use to solve the problem of low data transmission efficiency. The CQI sending method includes receiving indication information sent by a base station and used for indicating CQI transmission, the indication information comprising at least a target block error ratio for measurement feedback, a data repeated transmission frequency, and an CSI measurement resource and determining a CQI according to the target block error rate for measurement feedback, the data repeated transmission frequency, and the CSI measurement resource, and sending the CQI to the base station.

Abstract: Disclosed by the present application are a resource mapping method and apparatus and device, comprising: determining to-be-sent data hosted on a data-channel physical downlink shared channel (PDSCH)/physical uplink shared channel (PUSCH); mapping said to-be-sent data to a virtual resource block (VRB); mapping the virtual resource block to a physical resource block (PRB) in resource block (RB) bundle units. Using the present application, it is possible to prevent the problem of the size of a virtual resource block bundle being inconsistent with the size of a physical resource block bundle, thus causing it to be impossible to map the virtual resource block to the physical resource block.

Abstract: The present application relates to the field of communications, and disclosed are a method and device for determining an information domain value in a DCI. The method and device are used for reducing HARQ feedback overheads, and the method comprises during HARQ feedback, determining a value set indicated by a timing relationship in a fallback DCI (equivalent to a format 1_0 of a DCI) according to a value set indicated by a timing relationship in a non-fallback DCI (equivalent to a format 1-1 of a DCI), to overcome the problem of increasing a codebook caused by different value ranges indicated by the timing relationships in the fallback DCI and in the non-fallback DCI, so that the HARQ feedback overheads are effectively reduced, thus the system running load is reduced, and the system performance is effectively ensured.

Abstract: Disclosed is a method for preparing 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) of formula (II), comprising the following steps: carrying out an alkylation reaction on cyclen in formula (I) and XCH2COOR in the presence of an acid-binding agent in water; adjusting a pH value to separate out a crude product of DOTA; and recrystallizing. The preparation method of the present invention is applicable to large-scale industrial production of DOTA, the whole process does not need to adopt an ion-exchange resin or low-temperature refrigeration mode for purification, and the purity and yield of the product are higher.

Abstract: Disclosed in the present application are a random access response (RAR) transmission method and device for ensuring independent transmission of RARs having different coverage enhancement levels, reducing a blind test of a physical downlink control channel performed by a terminal, and saving power consumption of the terminal. The present application provides an RAR transmission method, comprising: determining, by a network side and at least according to coverage enhancement levels corresponding to physical downlink control channels, frequency domain resources of the physical downlink control channels, wherein the frequency domain resources of the physical downlink control channels having different coverage enhancement levels are independently configured; and transmitting, by the network side, the physical downlink control channels on the frequency domain resources of the physical downlink control channels.

Abstract: A resource block group partitioning method and user equipment are provided. The method includes: determining a resource block included in a first resource block group in a bandwidth part; determining a resource block included in other resource block group in the bandwidth part according to a pre-acquired resource block group size, wherein the other RBG is a resource block group other than the first resource block group in the bandwidth part.

Abstract: A resource allocation determination method, a resource allocation indication method, a UE and a network device are provided. The resource allocation determination method applied for the UE includes: determining the quantity N of bits of a resource allocation indication field in DCI; determining a BWP where a data channel is located based on the DCI; and determining resource allocation for the data channel in the BWP where the data channel is located based on information about the resource allocation indication field in the DCI.

Abstract: A UCI transmission method and a UCI transmission device are provided. A subframe set in which UCI repetition is to be transmitted are determined. If an ACK/NACK and an SR are to be transmitted in a certain subframe in the subframe set, one kind of the UCI is selected from the ACK/NACK and the SR to be transmitted in the certain subframe, and then the selected UCI is transmitted in the certain subframe.

Abstract: A method, an apparatus and an equipment for determining a transport block size are provided. The method for determining a transport block size includes: determining an initial transport block size; comparing the initial transport block size with a threshold to obtain a comparison result; quantizing the initial transport block size based on the comparison result to obtain a quantized initial transport block size; and determining a final transport block size based on the quantized initial transport block size.

Abstract: A data transmission method and a data transmission device for a TDD system are provided, so as to reduce the frequency hopping operations, reduce the retuning time, prolong a valid duration for the data transmission and reduce the time period for the data transmission, and reduce the power consumption. The data transmission method includes steps of: at a predetermined retuning start time point, adjusting, by a UE, a carrier frequency for data reception and transmission within a predetermined retuning duration so as to acquire the adjusted carrier frequency; and performing, by the UE, uplink data transmission and downlink data reception at the adjusted carrier frequency with a network device within a consecutive duration in accordance with a TDD uplink-downlink configuration. The consecutive duration is a duration from a current retuning end time point to a next retuning start time point.

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.