Abstract: The present disclosure provides a method and device in nodes used for wireless communications. A first node first receives a first signaling, and then receives a second signaling in a first time-frequency resource set; the first signaling is used to indicate the first time-frequency resource set, and the second signaling occupies the first time-frequency resource set; the second signaling is used to configure a format of a first-type channel, the format of the first-type channel is related to a frequency bandwidth corresponding to a second-type channel associated with the first-type channel, or the format of the first-type channel is related to a first parameter of the first-type channel; the first signaling is a physical layer signaling. The present disclosure optimizes the configuration method of feedback channel on sidelink to improve the efficiency of spectrum on sidelink and the overall performance of the system.

Abstract: The present invention describes a water-based metal working fluid comprising a base oil, an organic acid, optionally emulsifiers, a concentrate additive, water and a microbial growth control agent which comprises an aminopropanediol.

Abstract: The present disclosure provides a method and device in nodes for wireless communication. A first node firstly receives a first signaling, the first signaling being used to indicate a first zone identifier; and then determines whether a first signal is transmitted according to the first zone identifier and a target zone identifier; when the determination result is yes, the first signal is transmitted in a first radio resource set; when the determination result is no, the first signal transmission is cancelled in the first radio resource set; when the first signal is associated with a first reference signal. The present disclosure optimizes determination upon sidelink feedback information transmission by respectively associating the first reference signal and the second reference signal with the second zone identifier and the third zone identifier, thus the spectrum efficiency of sidelink transmission can be improved.

Abstract: A display panel includes a panel body and a protective layer disposed on a light exit side of the panel body. The protective layer includes an ultra-thin glass and a protective structure. The ultra-thin glass has a first surface close to the panel body and a plurality of side surfaces each connected to the first surface. The protective structure covers at least the side surfaces. An orthographic projection of each of the side surfaces on the panel body is offset from a center of the panel body. An absolute value of a difference between a refractive index of the protective structure and a refractive index of the ultra-thin glass is less than or equal to 0.02.

Abstract: A method for generating display information of an electronic price tag includes: comparing supported colors of the electronic price tag with a display color of each pixel in each to-be-displayed region, and dividing the each to-be-displayed region into a to-be-adjusted display region and a normal display region according to a comparison result; determining a target color of each pixel from the supported colors of the electronic price tag according to a display color of the each pixel in the to-be-adjusted display region; generating a rendering result of to-be-displayed information according to the target color of the each pixel in the to-be-adjusted display region and a display color of each pixel in the normal display region, and sending the rendering result of the to-be-displayed information to the electronic price tag so that the electronic price tag displays the rendering result of the to-be-displayed information.

Abstract: A laser radar-camera online calibration method and system based on a reflectance map includes: data preprocessing, generating data that meets the input of the neural network part; inputting the preprocessed data into the trained neural network; the neural network will output the edge point features of the reference image and the reflectance map, that is, the reference image and the reflectance map descriptor; by comparing the similarity of the reference image and the reflectance map descriptor, find the matching relationship between the reference image feature and the reflectance map feature point; use the mapping relationship between the reflectance map and the 3D point cloud to find the matching relationship between the reference image and the point cloud; use the EPnP algorithm to estimate the transformation matrix from the given 2D-3D point pair to complete the calibration process.

Abstract: A method and a device for wireless communication. A first node receives a first radio signal indicating a second index, transmits a first signaling, and then transmits a second radio signal. A first index and the second index are used for generating the first signaling and the second radio signal, respectively. The first signaling is unrelated to the second index and the first signaling includes configuration information for the second radio signal. Through establishing relationships between the first index and the first signaling and between the second index and the second radio signal respectively, the efficiency of transmission of data and corresponding feedback between terminals in Internet of Things (IoT) and Vehicle-to-Everything (V2X) systems are improved, thereby improving the spectrum efficiency and flexibility of systems.

Abstract: The present application discloses a method and a device for wireless communications. A first node receives a first signaling, the first signaling configuring a first RS resource and multiple time-frequency resources; and performs a first channel measurement for the first RS resource, and performs a first interference measurement for at least one time-frequency resource among the multiple time-frequency resources; and transmits a first CSI; where calculation of the first CSI is dependent on the first channel measurement and the first interference measurement; the at least one time-frequency resource is determined by the first node itself. This application can guarantee the performance of channel information and introduce better scheduling flexibility.

Abstract: A process for purifying (i) a hydrophilic organic solvent, (ii) a hydrolysable organic solvent, or (iii) a mixture of a hydrophilic organic solvent and a hydrolysable organic solvent by removing ionic contaminants from the hydrophilic organic solvent, from the hydrolysable organic solvent, or from the mixture of a hydrophilic and a hydrolysable organic solvent without generation of by-product impurities, the process including the steps of contacting the hydrophilic organic solvent, the hydrolysable organic solvent, or the mixture of hydrophilic and hydrolysable organic solvents with a mixed bed of ion exchange resin; wherein the mixed bed of ion exchange resin includes a mixture of: (a) a weak-acid cationic ion exchange resin and (b) a weak-base anionic ion exchange resin.

Abstract: A communication device comprises one or more sensors configured to generate sensor data, a wireless interface, and a processor. The wireless interface is configured to establish a connection with a remote device according to a short-range wireless communication protocol and to transmit one or more signals to the remote device, the one or more signals representing information configured according to a media format. The processor is configured to determine at least one activity mode based on the sensor data from the one or more sensors on at least one of the communication device or the remote device, and during the transmission of the one or more signals, control the wireless interface to increase a transmit power level to a maximum transmit power level based on the determined activity mode.

Abstract: A node firstly receives a first information set, and then receives a first DCI and a PDSCH on each cell included by a first cell set; the first information set includes a first information block and a second information block, the first information block and the second information block being both configured to a first cell, the first cell being one of cell(s) included by the first cell set; the first DCI is used to schedule PDSCHs included by the first cell set; an indication of a first field set in the first DCI depends on a target information block, the target information block being one of the first information block or the second information block; whether the target information block is the first information block or the second information block is related to the number of cell(s) included by the first cell set.

Abstract: A method and device in a node used for wireless communications. A first node first receives a first signaling, receives a first signal in a first time-frequency resource set, and the first time-frequency resource set belongs to a first time-frequency resource pool; then transmits a first information set in a target time-frequency resource set; the first field in the first signaling is used to indicate the target time-frequency resource set out of the second time-frequency resource set and the third time-frequency resource set; the first information set is used to indicate whether the first signal is correctly received; the second time-frequency resource set is related to a location of the first time-frequency resource set in the first time-frequency resource pool. The application improves the transmission efficiency of the sidelink feedback channel to improve the spectrum efficiency on sidelink.

Abstract: This document describes techniques and systems for indoor localization using Bluetooth high-accuracy distance measurement (HADM). In examples, the described systems and techniques perform a signal-strength scan to identify multiple anchor points and then pair, based on the signal-strength scan, the tagged device with a first anchor point of the identified anchor points. A HADM time slot is set for the first anchor point and at least two additional anchor points of the identified anchor points. A HADM event is initiated, the HADM event including sending a HADM ping and receiving HADM responses from two or more of the identified anchor points. Based on at least a time of receipt of HADM responses received from the two or more of the identified anchor points, the location of the tagged device is calculated.

Abstract: The present disclosure provides a communication method of an electronic shelf label system, a system, a computer device and a storage medium. The method includes: configuring, by a server, an offset of each of base stations in a corresponding synchronization sub-network based on neighboring relationships between all the base stations in each of the synchronization sub-networks, so that each of the base stations calculates synchronization frame transmission time in a predetermined signal transmission cycle based on the offset; calculating, by each of the base stations, idle time in a synchronization channel based on the synchronization frame transmission time, so that each of the base stations receives a target synchronization frame sent by a superior base station in the idle time of the synchronization channel. According to the present disclosure, the synchronization frames sent by all the base stations has central and adjacent feature in time.

Abstract: This disclosure provides a method of dynamically adjusting timing between adjacent networks in a synchronous network and an electronic shelf label system. The method includes: determining, by a server, a timing adjustment direction and a timing adjustment value of a current network based on an interference timing relationship diagram; generating, by the server, a corresponding adjustment task form the timing adjustment direction and the timing adjustment value of the current network, and sending the adjustment task to a master base station in the current network in the processing of each of the current networks, such that the master base station and a secondary base station dynamically adjust timing based on the adjustment task.

Abstract: The present application discloses a method and device in a node for wireless communications. A first node receives a first signaling and a second signaling, wherein the first signal is used to configure a first RS resource, and a first radio resource depends on the second signaling; receives a first reference signal in the first RS resource; the first RS resource is used for positioning, and whether a reception for the first reference signal is used for positioning depends on whether the first reference signal is associated with the first radio resource; a transmitter of the first signaling is different from a transmitter of the second signaling, and a transmitter of the second signaling is the same as a transmitter of the first reference signal. The present application improves the performance of NR positioning in RIS scenarios.

Abstract: A node first receives a first RRC signaling set, then receives a first DCI, and receives a PDSCH on each cell comprised in a first cell set; the first RRC signaling set comprises a first RRC signaling, the first RRC signaling is configured for a first cell; the first DCI is used to schedule PDSCH(s) comprised in the first cell set, and the first cell is one of cell(s) comprised in the first cell set; a first field set in the first DCI is applied to the first cell set; an indication of the first field set in the first DCI depends on a first parameter set; whether the first parameter set adopts a configuration of the first RRC signaling is related to a number of cell(s) comprised in the first cell set.

Abstract: A method and device for power adjustment in a user equipment and a base station are disclosed in the present disclosure. The user equipment receives first information which is used to trigger a first operation, and then receives K piece(s) of target information and transmits a first wireless signal. A transmission power value of the first wireless signal is a first power value; the first power value is irrelevant to all piece(s) of target information received prior to triggering the first operation. The K piece(s) of target information is(are) received after triggering the first operation. The sum of K power offset value(s) is used to determine the first power value. The K power offset value(s) are respectively indicated by the K piece(s) of target information.

Abstract: The present disclosure provides a map information acquisition method and a map acquisition apparatus and a non-transitory computer-readable storage medium. The method comprises: acquiring and constructing, by a map acquisition apparatus, map data, and acquiring, by the map acquisition apparatus, shelf identity information of each of shelves, wherein the shelf identity information is in one-to-one correspondence with the shelves, wherein the map acquisition apparatus comprises: a shopping cart component provided with a map construction system and a radio frequency identification reader; and marking, by the map acquisition apparatus, the map data according to each of the shelf identity information, and generating, by the map acquisition apparatus, map information marked with multiple pieces of shelf identity information.

Abstract: The present application discloses a method and a device in a node for wireless communications. A first node receives a first signaling, the first signaling being used to configure a first RS resource, a first signal and a second signal, the first signal being associated with a first device identification (ID); and receives the second signal, the second signal being associated with a second device ID; the first signaling is identified by the second device ID, the first RS resource is spatially correlated to the first signal, and whether receiving the second signal includes detecting the first signal depends on a spatial correlation between the second signal and the first RS resource. The present application optimizes the anti-interference capability of the terminal in interference scenarios, which in turn improves the overall reception performance.