26 results about "Information transmission" patented technology

The invention relates to the technical field of wireless communication, in particular to a method and a device of paring connection of equipment. The method and the device of the pairing connection of the equipment is used for solving the problems that a pairing operation process is verbose when short distance of information transmission is carried out by the equipment, and time of pairing is long. The method of the paring connection of equipment comprises detecting equipment in a preset range through short distance communication technology, reading corresponding identification information of the detected equipment, comparing read identification information and the corresponding identification information of beforehand selected equipment and judging whether the read identification information and the corresponding identification information of the beforehand selected equipment are consistent or not, and building up communication connection with the detected equipment when the read identification information and the corresponding identification information of beforehand selected equipment are consistent. Therefore, automatic pairing connection with the beforehand selected equipment is achieved without the need of manual search and lookup of bluetooth equipment by a user, efficiency of the pairing connection and user experience are improved.

The invention discloses an alliance chain construction method, a transaction method and a distributed supply chain system, and the method comprises the steps: constructing an alliance chain by takingeach distributor and supplier as nodes according to a command initiated by an online travel agent; establishing a whole network public channel of the alliance chain, and enabling every two nodes in the alliance chain to establish a private channel; wherein the distributors and the suppliers are distributors and suppliers of the wine travel commodities; the online travel agent provides an infrastructure of an alliance chain, and the infrastructure of the alliance chain is used for sorting and packaging transactions into blocks, broadcasting the blocks to all nodes in a channel and sorting nodesproviding consensus services, and providing CA certificate services for all the nodes in the alliance chain. According to the method, the alliance chain is constructed by taking the distributors andthe suppliers as the nodes, so that the commodity information can be quickly transmitted to each node, and decentralized commodity distribution and commodity price change information transmission arerealized.

The invention discloses the transmitting and receiving method for mobile digital multimedia broadcast physical layer signaling message. Wherein, the transmission method comprises: mapping the signaling message on the idle data sub-carrier or both the continual pilot frequency and idle data sub-carrier, and modulating former sub-carrier or both continual pilot frequency and sub-carrier in OFDM signal for transmitting. The receiving method comprises: receiving OFDM signal to demodulate the idle data sub-carrier or both the idle data sub-carrier and continual pilot frequency; hereby, obtaining the signaling message. This invention improves transmission efficiency, saves system resource, and reduces decoding complexity.

An information transmission system is broken down into a sound recorder, a transmission medium and a sound reproducer; a digital audio signal is produced from MIDI music data words through any kind of modulation technique such as, for example, Y-modulation technique, P-modulation technique or Q-modulation technique, and the digital audio signal is transferred from the sound recorder through the transmission medium such as a magneto-optic disc, a wire communication network or the free space to the sound reproducer, when the digital audio signal reaches the sound reproducer, the sound reproducer analyzes the digital audio signal to see what modulation technique was employed to produce it, and demodulates the digital audio signal through an appropriate demodulation technique, thereby permitting user to employ any sound recorder to produce the digital audio signal.

The invention discloses a semi-persistent scheduling method and apparatus. The method comprises: semi-persistent scheduling configuration information sent by a base station is received through a firstinterface and the semi-persistent scheduling configuration information is sent to a remote user device through a second interface to indicate a semi-persistent scheduling mode for information transmission between the remote user device and a relay user device; and a semi-persistent scheduling signaling sent by the base station is received by the first interface and the semi-persistent schedulingsignaling is sent to the remote user device through the second interface to indicate activation or releasing of a semi-persistent scheduling process between the remote user device and the relay user device. Therefore, the semi-persistent scheduling between the remote user device and the relay user device can be realized.

The invention discloses a seamless communication method for a substation and a dispatching master station. The method comprises the following steps: an IEC61850 proxy server is set up in the substation; the IEC61850 proxy server is added to a SCD model of the substation as an IED device; simulation proxy is carried out on the IED device in the substation through the IEC61850 proxy server; and the dispatching master station and the IED device in the substation communicate through the IEC61850 proxy server. Information transmission between the substation and the master station is improved, the problems of accuracy and reliability in information transmission are effectively solved, a high-quality and efficient basic information transmission and exchange way is provided for multiple application functions of an intelligent substation through seamless information and model transmission, and a good foundation platform is constructed for power grid dispatching and monitoring.

The invention discloses an industrial control safety auditing system and method based on artificial intelligence. The system comprises a safety auditing terminal, a central control terminal and an artificial intelligence learning terminal. According to the invention, the security auditing terminal is arranged to monitor and record the network state, the intrusion behavior and the operation recordrespectively; loopholes and malicious attacks are protected in real time, and when a high-risk security condition occurs, data storage and service interruption are carried out immediately, and an alarm is given; the security of the industrial control network is improved, so that the industrial control network meets the industry compliance auditing requirement; by arranging the central control terminal, operation behaviors in an industrial control network and auditing services of the industrial control network are comprehensively recorded in detail, auditing data are safely reserved, and an information transmission function between the safety auditing terminal and the artificial intelligence learning terminal is achieved; and by arranging the artificial intelligence learning terminal, new security risks are found in time through the industrial control network learning module and the flow behavior learning module of deep learning analysis, and data support is provided for investigation and evidence collection of network security accidents.

The invention discloses an emergency message transmission method based on D2D communication in the Internet of vehicles. Firstly, a priority index is established for a vehicle set within the safety range of a vehicle, and D2D connection pairs are established in sequence according to the order of priority index from small to large to transmit messages; and distance prediction is carried out on vehicles outside the safety range, a priority index is established according to the predicted distance, and D2D connection pairs are established in sequence according to the order of priority index from small to large to transmit messages. If there are the same priority indexes, the vehicles in the same lane are selected first. According to the invention, timely transmission of security warning information based on D2D communication is realized, and security warning is carried out. Therefore, the technical problem that security information cannot be disseminated in time is solved, the traffic information transmission performance is improved, and the method has high reliability and real-time performance.

The invention is suitable for the technical field of vehicles, and provides a vehicle information transmission method and device, electronic equipment and a storage medium. The method comprises the steps: obtaining a data obtaining request sent by an upper computer in a first communication format; analyzing the data collection request, and determining a to-be-communicated target ECU and to-be-collected target ECU data; according to the target ECU data, generating a data request message in a second communication format corresponding to the target ECU, and sending the data request message to the target ECU; receiving a response message sent by the target ECU based on the data request message; and analyzing the response message to obtain target ECU data, converting the target ECU data into reply information in the first communication format, and sending the reply information to the upper computer. According to the scheme, the requirement for professional knowledge of developers during vehicle data collection based on the vehicle-mounted Ethernet is lowered, and the development difficulty of upper computer software is lowered.

The invention relates to an intelligent lock compatible with second generation identity cards. The intelligent card comprises an electronic control lock, a fingerprint recognition device, an IC card recognition device and an identity card recognition device, wherein a control box is mounted on one side of the electronic control lock, a programmable controller and a communication interface connected with the programmable controller are mounted on the inner side of the control box, and the communication interface is mounted on one side of the control box and used for carrying out information transmission operation between the programmable controller and a server; the fingerprint recognition device is connected with the programmable controller and used for carrying out fingerprint recognitionoperation; the IC card recognition device is mounted on the inner side of the control box, and a first button switch is connected between the IC card recognition device and the programmable controller; the identity card recognition device is mounted on the inner side of the control box, and a second button switch is connected between the identity card recognition device and the programmable controller. The intelligent lock compatible with second generation identity cards can be convenient for different unlocking persons to carry out unlocking operation, and is energy-saving and environmentally-friendly.

The invention discloses a medical image transmission method based on a 5G network. The medical image transmission method specifically comprises the following steps: 1, hardware architecture; 2, image acquisition and packaging; 3, deblocking and reducing; 4, fault-tolerant processing. The invention relates to the technical field of medical communication. According to the medical image transmission method based on the 5G network, a 5G network hardware framework system is constructed, information transmission is performed by using the characteristics of low time delay and high rate of the 5G network, and a client message system is formed by cooperating with a client, a slice information unit, a state information monitoring unit, a fault-tolerant information unit and an identification unit. A server, a transmission data recording module, a slice image information module, a data information module and a data integration module are utilized to form a server-side heat preservation system, and after packaging-unpackaging is conducted, it is guaranteed that the transmission environment is high in speed and stable, and meanwhile medical images with the large data size can be completely and rapidly transmitted and stored to a remote safety server.

The apparatus comprises a wavelength shifter for shifting the 1551nm or 1310nm or 850nm silicon optical fiber signals into 650nm plastic optical fiber signals, an optical switch and an optical network card. The wavelength shifter, optical switch and optical network card are sequentially connected through a 100Mbps plastic optical transceiver module working at 650nm wavelength.

The invention provides a communication method of a TETRA digital trunking system and a related product thereof. The TETRA digital trunking system comprises a system center control part, a wired link part, a base station part and a wireless link dispatching part, wherein the wireless link dispatching part is arranged in the wireless link dispatching equipment; the wireless link dispatching device comprises: a wireless link dispatching unit, a local signal transceiving module, a wired link monitoring module, a link signal transceiving module, a state information transmission module, a central control module, an audio signal exchange module and a system environment monitoring module, and the local signal transceiving module, the wired link monitoring module, the link signal transceiving module, the state information transmission module, the audio signal exchange module and the system environment monitoring module are respectively connected with the central control module. According to the invention, when the wired link of the base station fails, the communication service can be timely provided for the user in a wireless connection mode.

The invention provides a portable vehicle-mounted dual-mode positioning apparatus and a train dual-mode positioning method. The positioning apparatus comprises a housing; a GPS unit, a TAX box data interface unit, a data processing unit and a positioning information transmission unit are arranged in the housing; and the GPS unit, the TAX box data interface unit, and the positioning information transmission unit are connected to the data processing unit. The GPS unit is used for collecting GPS positioning data of a current position of a train; the TAX box data interface unit is used for obtaining train TAX box data; the data processing unit is used for receiving GPS positioning data and/or TAX box data and generating positioning information based on the GPS positioning data and/or TAX box data. The positioning information transmission unit is used for receiving the positioning information from the data processing unit and transmitting the information to all detection units on a train. According to the invention, on the basis of a dual-mode positioning mode, the positioning precision is improved substantially; and the adaptability is high. Moreover, thermal plugging is supported; and a plug-and-play effect is realized. The apparatus and method are suitable for various mounting and using environments and various trains.

The invention discloses an information transmission three-dimensional CRC (cyclic redundancy check) method, which comprises the following steps of: obtaining data information, and encoding the acquired data information at a transmitting end to form transmission data; collecting at least nine groups of data in total to form a three-dimensional diagram, arranging a plurality of sections of data, andsupplementing the data with different lengths with 00; in the three-dimensional diagram, the right side face, the front face and the bottom face are check codes of data information codes in the left-right direction, the front-back direction and the up-down direction respectively, wherein the intersected edges of two adjacent surfaces are combined check codes; performing modulo 2 division on the generator polynomial by the acquired data information code to obtain a corresponding check code, i.e., a combined check code of surface check codes obtained by the check codes of the intersected edges;packaging and uploading the acquired data information code, the calculated check code and the constructed three-dimensional diagram to a main station; and the master station checks the received uploaded information by adopting an algorithm the same as that of the sending end, If error information is found, the master station performs positioning to require the sending end to resend the information.

The invention provides an information transmission method, which comprises the following steps: setting a QoS (Quality of Service) attribute for a transmission stream, and setting a value of the QoS attribute of the transmission stream as a first QoS attribute value when the transmission stream is generated, the first QoS attribute value being used for identifying a default transmission priority of the transmission stream; negotiating with a receiving end device according to a preset rule, and receiving a first qosupdate message sent by the receiving end device, the first qosupdate message being used for indicating to update the value of the QoS attribute of the transmission stream as a second QoS attribute value; the first QoS attribute value of the transmission stream is changed into the second QoS attribute value according to the first QoS message, and the first QoS attribute value of the transmission stream is changed into the second QoS attribute value according to the second QoS attribute value of the transmission stream; and sending the transmission stream according to the second QoS attribute value.

The invention provides an information transmission processing method and device, electronic equipment and a readable storage medium. When the information transmission processing method is applied to the server, the method comprises the following steps: receiving an information query request sent by terminal equipment; sending an information statistics message to the terminal equipment through satellite communication according to the information request; receiving an information downloading request returned by the terminal equipment according to the information statistics message; and sending target information to the terminal equipment through satellite communication, wherein the target information is determined based on the information downloading request. According to the invention, the energy consumption of the terminal equipment can be saved, the endurance of the terminal equipment can be improved, the message loss can be avoided, and the information transmission effect with the terminal equipment can be improved.

The invention discloses a portable voice dynamic monitoring system based on Beidou No.3, wherein the system comprises a plurality of convenient terminals, the convenient terminals are connected through a satellite unit, the convenient terminals are connected with a ground data center through the satellite unit, and the satellite unit is in communication connection with a ground master station unit. Then the ground data center is connected with the background command management system through a network, wherein a satellite positioning technology, a Beidou short message communication technology and a voice data compression technology are fused by arranging the portable terminal of the portable voice dynamic monitoring system, the background command management system, the satellite unit, the ground master station unit and the ground data center, so that the actual operability and the information transmission efficiency are greatly improved by utilizing the portable terminal, real-time positioning, personnel scheduling and emergency message transmission in special occasions.

The invention relates to an asymmetric key encryption method, and belongs to the technical field of electrical communication and improved algorithm optimization. Firstly, plaintexts of any length are grouped according to the byte length, each group is 256 bits, the 256 bits are divided into two groups according to 128 bits, and only the plaintexts processed in the previous group are subjected to cyclic encryption; and the keys with any length are grouped according to the byte length, each group has 128 bits, the circulation direction and the single circulation digit in the iteration process are controlled by the keys, and plaintext data corresponding to the keys are encrypted one by one. According to the method, primary circulation is improved into secondary circulation, four used nonlinear functions are changed into two functions, the circulation process is simplified, and the calculation time is shortened; and the length of the key is increased from 32 bits to 128 bits, the complexity of the key is improved, iteration of the key has randomness and uncontrollability, and the safety of information transmission is improved.

The invention discloses a communication device capable of quickly reading address book information, which is characterized by comprising an input module, an address book management module, a control unit and an output module, wherein the output end of the input module is connected with the input end of the address book management module; the output end of the address book management module is connected with the input end of the control unit; and the output end of the control unit is connected with the input end of the output module. The communication device capable of quickly reading address book information has the advantages that the structure is simple, the information transmission is fast, the information transmission is stable, the information exchange speed is improved, and the use is more convenient and reliable.