Abstract: Provided is signaling transmitting and receiving methods, device, network-side device, terminal and storage medium. The signaling transmitting method includes: determining a first parameter set and/or a second parameter set for N resource groups; and transmitting an indication signaling, the indication signaling carries indication information for indicating the first parameter set and/or the second parameter set. The signaling receiving method includes: receiving an indication signaling transmitted by a network-side device. The indication signaling carries indication information for indicating a first parameter set and/or a second parameter set determined by the network-side device for N resource groups. The first parameter set is a Physical Downlink Shared Channel Resource Element (PDSCH RE) mapping set. The second parameter set is a Quasi-Co-Location (QCL) parameter set. N is a positive integer greater than 1.

Abstract: Disclosed is a method for transmitting a measurement reference signal. The method includes: acquiring port information corresponding to a measurement reference signal according to at least one of received signaling information or an agreed rule; and transmitting the measurement reference signal according to the port information. Also disclosed are a method and device for sending signaling information, a method and device for receiving signaling information, a method for transmitting an uplink reference signal, a device for transmitting a measurement reference signal, an electronic device, and a storage medium.

Abstract: Provided are a method and device for receiving and sending a reference signal and a storage medium, the method for receiving includes steps described below. A reference signal resource used for sending the reference signal is determined; and the reference signal sent by using the reference signal resource is received. And the method for sending includes steps described below, a reference signal resource used for sending the reference signal is determined; and the reference signal is sent by using the determined reference signal resource.

Abstract: Provided are a method and device for determining transmission power, a terminal and a storage medium. The method includes measuring a first reference signal and determining a pathloss of the first reference signal; determining an pathloss of the uplink transmission according to a type of the uplink transmission, an association relationship between the uplink transmission and the first reference signal, and the pathloss of the first reference signal; determining an power adjustment amount of the uplink transmission; and determining the transmission power of the uplink transmission according to at least one of the pathloss of the uplink transmission or the power adjustment amount of the uplink transmission.

Abstract: Disclosed are a method for receiving a channel state information-reference signal, a processor, a terminal and a storage medium. The method includes that: a terminal receives information of the CSI-RS; the terminal receives the CSI-RS; and measures the CSI-RS to obtain CSI, and feeds back the CSI to the base station; and the terminal receives the information of the components notified by the base station includes at least one of the following: receiving a position of an earliest OFDM symbol of the components on the time domain positions and a position of a lowest-frequency subcarrier of the components on the frequency domain positions; receiving, a position of a latest OFDM symbol of the components and a position of a highest-frequency subcarrier of the components; or receiving a position of a latest OFDM symbol of the components and a position of a lowest-frequency subcarrier of the components.

Abstract: The present disclosure provides non-planar cutting tooth and a diamond drill bit. The non-planar cutting tooth comprises a base, a table connected to a top of the base. a concave shaped surface on the center portion of a top surface of the table; three cutting ridges with each extending from a vertex of the concave shaped surface to an outer edge of the top surface; three cutting bevels with each locating between two cutting ridges of the three cutting ridges; each of the three cutting ridges has a fillet.

Abstract: The present disclosure provides a method and apparatus for transmitting and receiving an uplink signal, a storage medium, and an electronic device. The transmitting method includes: a second communication node receives configuration information transmitted by a first communication node through physical downlink control signaling or high-layer signaling, and the second communication node transmits an uplink signal to the first communication node based on the configuration information; or a second communication node transmits, according to a rule appointed with a first communication node, an uplink signal to the first communication node.

Abstract: Provided is a method for determining precoding. The method includes configuring, by a first communication node, configuration information for a second communication node; transmitting the configuration information to the second communication mode; and the configuration information includes: first configuration information and second configuration information. Further provided is a device for determining precoding, an electronic device and a storage medium.

Abstract: An optical reader apparatus is configured to detect epidermal ridges of a body part using specular reflection contrast detection. The optical reader apparatus comprises a display comprising a transparent cover and a substrate comprising an array of active pixels. The active pixels serve as an illuminator of the optical reader apparatus. The apparatus also comprises a pinhole array and an optical sensor optically coupled to the display via the pinhole array. The optical sensor comprises an array of photosensors arranged on a substrate. The array of photosensors is configured to detect light reflected via specular reflection by the transparent cover. A processor, coupled to the display and the optical sensor, is configured to control reading of signals from the photosensors and to control illumination of selected active pixels in accordance with a predefined scanning pattern that covers a sensing region of the transparent cover during a body part reading operation.

Abstract: The present disclosure provides a lightweight aerogel material including a polymer and clay. The lightweight aerogel material in the present disclosure may be a lightweight and strong absorbent material prepared by mixing the clay, hydrophilic polymer, and other inorganic raw materials that may be added, adding water to the mixture as a medium, stirring the mixture at a high speed to become viscous, and lyophilizing the mixture. The lightweight aerogel material prepared in this manner may have a micron-sized and nano-sized pores, which contributes to the high water absorbency and water absorption rate. When the lightweight aerogel material is used as cat litter, the water absorbency and water absorption rate of the cat litter may be much higher than the similar products. Furthermore, the density of the lightweight aerogel material in the present disclosure is controllable, which may meet the needs for different applications including the cat litter.

Abstract: Provided in the embodiments of the present disclosure are a communication method and system. The method at least includes: determining a base sequence that a second communication node uses to send a reference signal; and receiving the reference signal that is sent by the second communication node using the base sequence.

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: Provided are a communication method and system. The method includes: determining a radio resource for a second communication node to send a reference signal; and receiving the reference signal sent by the second communication node using the radio resource.

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: The present disclosure provides non-planar cutting tooth and a diamond drill bit. The non-planar cutting tooth comprises a base, a table connected to a top of the base. a concave shaped surface on the center portion of a top surface of the table; three cutting ridges with each extending from a vertex of the concave shaped surface to an outer edge of the top surface; three cutting bevels with each locating between two cutting ridges of the three cutting ridges; each of the three cutting ridges has a fillet.

Abstract: Disclosed is method and apparatus which includes: obtaining a sequence group number and/or a sequence number of a reference signal according to at least one of following pieces of information: the number N of time domain symbols included in a time unit in which the reference signal is located, a positive integer M, index information of time domain symbols in which the reference signal is located among N time domain symbols included in one time unit, index information of the time domain symbol in which the reference signal is located among M preset time domain symbols, a frame number of a frame in which the reference signal is located, the number B of time units included in the frame in which the reference signal is located, or a time unit index obtained according to a subcarrier spacing of a bandwidth part (BWP) in which the reference signal is located.

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: The present disclosure provides a negative voltage generating circuit having an automatic voltage adjustment function, including a negative voltage generating circuit and a feedback control module. The negative voltage generated by the negative voltage generating circuit is adjusted by the feedback control module. The negative voltage generating circuit having the automatic voltage adjustment function of the present disclosure can automatically adjust the charge current of the charge pump according to the load current, thereby realizing the stability of the output voltage, such that the traditional analog circuit structure can work normally under the extremely low power supply voltage, and is particularly suitable for the deep submicron process. The present disclosure also realizes the digital adjustment of the output voltage, the negative voltage output is no longer single, and can be adjusted according to actual needs.

Abstract: Embodiments of the present disclosure provide a reference signal information feedback method, apparatus and terminal. The method includes: a terminal determines a reference signal parameter of an uplink measurement reference signal and/or a downlink measurement reference signal, and the terminal feeds the determined reference signal parameter back to a base station.

Abstract: Provided is a channel information feedback method and apparatus, a terminal, and a base station. The method includes: determining, by a terminal, a feedback state parameter of channel information, where the channel information includes at least one of a number M of precoding vectors v1, v2, . . . , vM, a number G of amplitude coefficients A1, A2, . . . , AG, or a number K of phase coefficients P1, P2, . . . , PK, where M, G and K are all integers greater than or equal to 0; and feeding back, by the terminal, the channel information according to the determined feedback state parameter.