Abstract: A data processing method is applied to a wireless communication system with an artificial intelligence (AI) processing capability. According to the method, machine learning models with a same structure are deployed on different communication apparatuses, and the plurality of apparatuses jointly complete data processing.

Abstract: A channel encoding/decoding method and an apparatus, where the method includes: obtaining a plurality of pieces of first information based on a to-be-sent bit sequence, where each piece of first information includes a multi-dimensional time step feature, the multi-dimensional time step feature is determined based on a plurality of bits in the bit sequence, a plurality of bits corresponding to a multi-dimensional time step feature included in an ith piece of first information and a plurality of bits corresponding to a multi-dimensional time step feature included in an (i+1)th piece of first information are partially the same, and i is a positive integer; encoding the plurality of pieces of first information into second information; and sending the second information.

Abstract: A method and apparatus for reducing inter-cell interference are provided. The method includes: selecting, in a cell, multiple radio frequency units within a predetermined range of a location of a User Equipment (UE); and sending service channel data only on the multiple radio frequency units when scheduling the UE. By means of the embodiments of the present disclosure, data is sent only to radio frequency units which are located near a user and selected according to a location of the user in a cell, and data is not sent to other radio frequency units in the cell, so that inter-cell interference may be reduced.

Abstract: Embodiments of this disclosure provide a communication method and apparatus. The method includes: a central node obtains N indication parameters that are in a one-to-one correspondence with N distributed nodes, where a first indication parameter in the N indication parameters indicates a communication capability and a computing capability of a first distributed node, and the first distributed node is any node in the N distributed nodes, and determines M network parameters based on the N indication parameters, where the M network parameters are in a one-to-one correspondence with M distributed nodes in the N distributed nodes, and a first network parameter in the M network parameters indicates at least one of a communication configuration or a neural network architecture configuration of the first distributed node. The central node sends the M network parameters, where N and M are positive integers, and M is less than or equal to N.

Abstract: A system and method for managing and controlling power of base station when a connectable terminal device is moving at speed through the coverage area of the base station, the method obtains a transmission power from a terminal through the base station; obtains location of the terminal, and generates a transmission power conversion table according to the terminal transmission power and the terminal location. The transmission power conversion table is transmitted to the terminal by the base station, the transmission power being used by the terminal according to the transmission power conversion table, avoiding repeated communications and electrical energy cost between base station and terminal in respect of the changing location of the terminal.

Abstract: A system and method for managing and controlling power of base station when a connectable terminal device is moving at speed through the coverage area of the base station, the method obtains a transmission power from a terminal through the base station; obtains location of the terminal, and generates a transmission power conversion table according to the terminal transmission power and the terminal location. The transmission power conversion table is transmitted to the terminal by the base station, the transmission power being used by the terminal according to the transmission power conversion table, avoiding repeated communications and electrical energy cost between base station and terminal in respect of the changing location of the terminal.

Abstract: A copper-palladium-loaded mesoporous silicon carbide-based catalyst, a preparation method, and an application thereof are provided. First, a mesoporous silicon carbide material is prepared by using mesoporous silica as a hard template; subsequently, the mesoporous silicon carbide material is mixed with a copper-palladium precursor mixed solution, and dried after the solvent is completely volatilized. The dried powder is successively subjected to calcination with N2 and reduction with H2 to finally obtain the copper-palladium-loaded mesoporous silicon carbide-based catalyst. The catalyst is made into an electrode, and the nitrate in water body is catalytically reduced by electrochemical method. The preparation method of the catalyst of the present invention is simple. The catalyst can realize high-efficiency catalytic denitrification at a low metal loading amount, with high selectivity of nitrogen. Moreover, the catalyst has the advantages of high activity, good stability, wide application range and low cost.

Abstract: A copper-palladium-loaded mesoporous silicon carbide-based catalyst, a preparation method, and an application thereof are provided. First, a mesoporous silicon carbide material is prepared by using mesoporous silica as a hard template; subsequently, the mesoporous silicon carbide material is mixed with a copper-palladium precursor mixed solution, and dried after the solvent is completely volatilized. The dried powder is successively subjected to calcination with N2 and reduction with H2 to finally obtain the copper-palladium-loaded mesoporous silicon carbide-based catalyst. The catalyst is made into an electrode, and the nitrate in water body is catalytically reduced by electrochemical method. The preparation method of the catalyst of the present invention is simple. The catalyst can realize high-efficiency catalytic denitrification at a low metal loading amount, with high selectivity of nitrogen. Moreover, the catalyst has the advantages of high activity, good stability, wide application range and low cost.

Abstract: A denitrification system for removing nitrates in a water body by electrocatalytic hydrogen evolution and catalytic hydrogenation is disclosed. The denitrification system includes an electrolytic cell and a three-electrode system inserted into the electrolytic cell. The electrolytic cell contains electrolyte solution, and the denitrification catalyst is dispersed and suspended in the electrolyte solution. The three-electrode system includes a working electrode, a counter electrode and a reference electrode. The counter electrode adopts Pt sheet, the working electrode adopts the catalyst Ni3S2—NF, and the preparation steps of the catalyst Ni3S2—NF are as follows: (i) cutting a certain size nickel mesh and cleaning it; (ii) adding the cleaned nickel mesh into thiourea solution; (iii) reacting under hydrothermal conditions, and washing and drying to obtain the catalyst Ni3S2—NF.

Abstract: The disclosure involves an image guided video semantic object segmentation method and apparatus, locate a target object in a sample image to obtain an object sample; extract a candidate region from each frame; match multiple candidate regions extracted from the each frame with the object sample to obtain a similarity rating of each candidate region; rank the similarity rating of each candidate region to select a predefined candidate region number of high rating candidate region ranked by the similarity; preliminarily segment a foreground and a background from the selected high rating candidate region; construct an optimization function for the preliminarily segmented foreground and background; solve the optimization function to obtain a optimal candidate region set; and propagate a preliminary foreground segmentation corresponding to the optimal candidate region to an entire video to obtain a semantic object segmentation of the input video.

Abstract: A WI-FI parameter transmitting device can transmit a WI-FI parameter in the form of a broadcast signal, and includes an encryption module, a configuration module, a modulation module, and a play module. The encryption module obtains and encrypts the WI-FI parameter and the configuration module configures an encrypted WI-FI parameter and authorization information to generate WI-FI configuration information. The modulation module modulates the WI-FI configuration information with a carrier signal to generate a PCM signal and the play module plays the PCM signal in at least one predetermined frequency. A WI-FI parameter transmitting method and a WI-FI parameter receiving device and method are further provided.

Abstract: The disclosure involves an image guided video semantic object segmentation method and apparatus, locate a target object in a sample image to obtain an object sample; extract a candidate region from each frame; match multiple candidate regions extracted from the each frame with the object sample to obtain a similarity rating of each candidate region; rank the similarity rating of each candidate region to select a predefined candidate region number of high rating candidate region ranked by the similarity; preliminarily segment a foreground and a background from the selected high rating candidate region; construct an optimization function for the preliminarily segmented foreground and background; solve the optimization function to obtain a optimal candidate region set; and propagate a preliminary foreground segmentation corresponding to the optimal candidate region to an entire video to obtain a semantic object segmentation of the input video.

Abstract: A WI-FI parameter transmitting device can transmit a WI-FI parameter in the form of a broadcast signal, and includes an encryption module, a configuration module, a modulation module, and a play module. The encryption module obtains and encrypts the WI-FI parameter and the configuration module configures an encrypted WI-FI parameter and authorization information to generate WI-FI configuration information. The modulation module modulates the WI-FI configuration information with a carrier signal to generate a PCM signal and the play module plays the PCM signal in at least one predetermined frequency. A WI-FI parameter transmitting method and a WI-FI parameter receiving device and method are further provided.

Abstract: A tracking detection and alarm method which is applied to a navigation device use a number of positioning data points retrieved from a navigation module of the navigation device. A number of deflections and a number of average speeds that correspond to the position data points are calculated and generated. A number of maximum deflections are calculated and generated according to the average speeds. When a deflection of a positioning data point is greater than a maximum safe deflection thereof, one is added to a frequency of unsafe driving instances. When the frequency of unsafe driving instances is greater than a preset threshold value, an unsafe driving alarm is activated.

Abstract: A tracking detection and alarm method which is applied to a navigation device use a number of positioning data points retrieved from a navigation module of the navigation device. A number of deflections and a number of average speeds that correspond to the position data points are calculated and generated. A number of maximum deflections are calculated and generated according to the average speeds. When a deflection of a positioning data point is greater than a maximum safe deflection thereof, one is added to a frequency of unsafe driving instances. When the frequency of unsafe driving instances is greater than a preset threshold value, an unsafe driving alarm is activated.