Abstract: Provided are a method, apparatus and system for acquiring a codebook, the method including: generating, by a base station, a codebook corresponding to Nt ports and r layers transmission according to a first preset condition, the codebook being for feeding back a preceding matrix, the first preset condition being a common set condition between the base station and a terminal, Nt being a port number, and r being a transmission layer number; determining, by the base station, a signaling indication method for selecting a codebook subset corresponding to the codebook according to a second preset condition; and acquiring, by the base station, Codebook Subset Selection (CSS) signaling for selecting the codebook subset correspondingly according to the signaling indication method, and notifying the selected codebook subset to a terminal through the CSS signaling.

Abstract: Disclosed are a method and apparatus for sending beam recovery information, and a beam detection method and apparatus. The method for sending beam recovery information includes sending first beam recovery information, detecting downlink control information, and sending second beam recovery information according to a control information transmission configuration corresponding to the detected downlink control information.

Abstract: A method and device for notifying and determining DMRS ports or a mapping relationship is provided. The method includes a sending end sending indication information to a receiving end in a TM, and the sending end indicates allocation information about DMRS ports or a mapping relationship according to the indication information, and the indication information includes at least one of the following: RRC signaling, physical layer NDI bit, and DMRS pilot scrambler configuration information nscid. A problem of influence on a performance of a MU-MIMO system caused by lower channel estimation performance due to limited orthogonal DMRS ports for MU-MIMO transmission and high MUI after increment of a total number of MU-MIMO transmission layers is solved.

Abstract: Disclosed are a method and device for transmitting a channel state information-reference signal, a processor and a storage medium. The method includes: determining, by a base station, channel state information-reference signal, where the channel state information-reference signal at least includes the number of CSI-RS ports and information of components, the CSI-RS ports are used for transmitting the CSI-RS, and a CSI-RS resource is used for carrying the CSI-RS; sending, by the base station, the information of the CSI-RS to a terminal; and transmitting, by the base station, the CSI-RS. In such a way, the technical problems in the related art of poor channel measurement performance and high system complexity are solved.

Abstract: Provided in the present disclosure are a method and apparatus for sending a signal, a method and apparatus for receiving a signal, and a storage medium. The method for sending the signal includes: configuring or appointing multiple sending manners or conflict processing manners for a first signal; when there is a second signal conflicting with the first selecting a sending manner or a conflict processing manner for the first signal according to determination information; and sending the first signal according to the sending manner or the conflict processing manner.

Abstract: Provided are a hybrid automatic repeat request (HARQ) feedback processing method, a signal processing method, a communication node and a computer-readable storage medium. In the HARQ feedback processing method, flexibility of a system is improved by setting flexible HARQ feedback time, and specifically, a control signal including HARQ feedback time indication information is generated in a certain manner; in the signal processing method, different communication channels are respectively allocated for reference signal activation information and reference signal deactivation information, so that channel environment compatibility is improved, the decoding success rate of a control channel is improved, and the performance of a fifth-generation mobile communication system is improved.

Abstract: Provided are an information transmission and receiving method and device, a storage medium and an electronic apparatus. The information transmission method includes: transmitting at least two pieces of the following information in a multiplexing manner on a physical channel: channel state information (CSI), first control information or data information. The first control information includes at least one of: hybrid automatic retransmission request acknowledgement (HARQ-ACK) information or scheduling request (SR) information.

Abstract: Provided are an information processing method, a communication device and a storage medium. The information processing method which is applied to a first communication device includes: sending X sets of parameter values jointly encoding M types of transmission parameters, where the M types of transmission parameters include a beam indication and/or a quasi-co-location indication parameter, where the beam indication is used for indicating a beam, the quasi-co-location indication parameter is used for indicating a parameter of the beam, and M>1; selecting Y sets of parameter values from the X sets of parameter values, where X>=Y>=1; and sending a selection indication based on the Y sets of parameter values, where the selection indication is used for selecting the Y sets of parameter values from the X sets of parameter values for a data transmission.

Abstract: A strain and acoustic wave testing device includes an acoustic wave transmitting terminal, an upper pressure-bearing shaft, corundum ejector pins, an upper displacement slide, a lower displacement slide, a heat insulation shell, a carbon fiber sleeve, a rock sample, a lower pressure-bearing shaft, an acoustic wave receiving terminal, a lower copper electrode, pearl powder, a temperature sensor, a transformer, a temperature-acoustic wave control box, an oscilloscope, an upper copper electrode, and a data collection and processing system.

Abstract: A method and apparatus for information reporting as well as a method and apparatus for information transmission are provided. The method for information reporting includes: receiving, by a second communication node, a reference signal from a first communication node, to determine a reference signal-related index and/or channel state information; reporting, by the second communication node, a set to the first communication node, and the set includes at least one of: the reference signal-related index and the channel state information. This technical solution solves the problems of low flexibility and poor adaptability of beam-related information reporting in the related art; the second communication node reports its own capability, so that the first communication node can indicate a beam reporting that meets to user capability, thereby improving the stability of beam-related information reporting.

Abstract: A mineshaft-stratum fracture coupled flowing simulation experiment device includes a simulated mineshaft flowing system, a simulated stratum system, a simulated fracture system and a data acquisition system. The simulated mineshaft flowing system includes simulated mineshaft, simulated drilling rod, drilling fluid storage tank, stirring motor, and drilling fluid screw pump. The simulated drilling rod is located in center of the simulated mineshaft. The stirring motor is provided in the drilling fluid storage tank. The drilling fluid screw pump is connected to an inlet end of the simulated drilling rod through the drilling fluid storage tank. The simulated stratum system includes simulated stratum, clean water storage tank, separation tank, gas storage tank, gas air-compressor, and clean water screw pump. The gas storage tank is connected to the gas air-compressor and is connected to the simulated stratum through a gas pressure regulating valve.

Abstract: Disclosed are a method and apparatus for transmitting downlink control information, and a method and apparatus for detecting downlink control information. The method for transmitting downlink control information includes: a base station configures available transmission resources of multiple types of long-term downlink control information, where in the multiple types of downlink control information, a subset relation exists between time domain resources of available transmission resources of at least two types of long-term downlink control information; the base station transmits the multiple types of long-term downlink control information on the available transmission resources.

Abstract: An exemplary embodiment describes a wireless communication method to selectively operate, based on an inconsistency condition, a transmitting end in one of a first mode and a second mode. When inconsistency is absent, the transmitting end can transmit in the first mode in which the transmitting end schedules transmission resources for interference assessment on a same time unit as data or control transmissions. Upon detection of inconsistency, the transmitting end can transmit in the second mode in which the transmission resources for determining interference are scheduled to occupy different time units than data or control transmissions.

Abstract: Provided is an information transmission method, apparatus and system. The information transmission method includes: obtaining, by a first communication node, a control channel description list which includes description information of N control channels, where N is a positive integer and the description information of each of the control channels includes one or more of: control channel configuration information, reference signal configuration information, link resource configuration information, operating bandwidth configuration information, puncturing configuration information, frequency hopping configuration formation, transmission time interval length configuration information, power control configuration information and beam configuration information; and sending, by the first communication node, the control channel description list to a second communication node.

Abstract: The present invention provides an information processing method, comprising: generating signaling comprising configuration information of channel state information process (CSI process); and sending the signaling comprising the configuration information of the CSI process. The present invention resolves the problem in the related art of being unable to use one CSI-RS resource overhead to meet the transmission requirements of multiple CSI-RSs having different port numbers, thereby achieving the technical effect of reducing resource overheads. The present invention also provides an information processing device and a storage medium.

Abstract: Provided are an information sending and receiving method and device, a storage medium and a processor. The information sending method includes: generating first signaling in a case where K elements in a beam-related parameter set exceed a first threshold corresponding to the K elements, wherein the K is an integer greater than or equal to 1; and sending the first signaling to a second communication node, wherein the first signaling carries information related to a reference signal.

Abstract: Disclosed are a data processing method and apparatus. The method includes: a first receiving end determines a range of a data demodulation reference signal (DMRS) ports occupied by one or more second receiving ends by using at least one of the following information: a usage state of a joint encoding table corresponding to a DMRS port group, the number of layers corresponding to a physical downlink shared channel (PDSCH) of the first receiving end, and the number of codewords corresponding to the PDSCH of the first receiving end; and the first receiving end processes data according to the range of the DMRS ports occupied by one or more second receiving ends.

Abstract: Provided is a transmission parameter configuration method, information transmission method and terminal, and storage medium. The transmission parameter configuration method is implemented on a base station and includes: configuring N basic transmission parameter sets for transmission of M types of channels and/or signals, where 1<N?M. The information transmission method is implemented on a terminal and includes: determining the N basic transmission parameter sets; selecting, according to reference information, a target basic transmission parameter set from the N basic transmission parameter sets; and performing transmission of the channel or the signal by adopting the target basic transmission parameter set which is selected.

Abstract: Method and apparatus for configuring channel characteristics of a reference signal, and a communication device are described. The method includes determining first type signaling, where the first type signaling carries a first type set and the first type set includes a plurality of index elements; and sending the first type signaling to a second communication node.

Abstract: Provided are a method and a device for sending a reference signal, and a method and device for configuring a reference signal. The method for sending the reference signal includes: determining that a conflict occurs between at least two reference signals, and selecting a processing manner for solving the conflict between the at least two reference signals from multiple conflict processing manners; and sending at least one reference signal in the at least two reference signals to a terminal according to the selected processing manner to instruct the terminal to measure the at least one reference signal.