83results about How to "Reduce data transfer costs" patented technology

The invention discloses an engineering mechanical airborne remote data acquisition device and a method thereof. The device of the invention comprises a central signal processing controller, a telecommunication module, an identification module, a GPS position information acquisition module, two CAN bus communication modules, a real-time clock module, a battery and charging module, a static data storage module, a power selection and self-power failure module, a power management and reset module, a programming debugging module and so on. The method of the invention comprises a transmitting cycle and a plurality of configurable and selectable acquisition cycles; time labels are provided by the real-time clock module; a real-time clock of the real-time clock module is corrected by a GPS time service clock; self-power failure is delayed; GPS latitude and longitude information adopts independent longer acquisition cycles. The device and the method of the invention have high universality, compatibility and expansibility and can meet the demand of acquiring CAN bus-based various engineering mechanical remote state data.

The invention relates to an online optimized scheduling method for workflow groups with deadline constraint in a mixed cloud environment. The method comprises the steps of: preferentially processing a workflow smallest and longest load capacity according to space-time correlations of workflows arriving in real time and a limit characteristic of the private cloud processing capability, increasing the workflow completion rate, and reducing the data transmission cost; based on characteristics of the workflows, dividing tolerance time for the deadlines in an equal-weighted manner according to subtask weights so as to meeting the requirements of deadline constraint and service quality; utilizing a greedy choice strategy to searching for a suitable example lowest in subtask execution cost increment on line, and further reducing the execution cost; and according to the characteristics of the mixed cloud environment, designing an integral mapping scheme from the workflows to the execution examples, and ensuring that the service quality of the workflows are met on line and the execution cost is simultaneously lowered. On the premise that the requirements of the deadline constraint of existing practical workflow groups are met, the online optimized scheduling method is capable of effectively improving the completion rate of the workflow groups, and the execution cost is substantially lowered.

The invention discloses a data transmission method and a data transmission device under dual-mode networking. A traditional wireless local area network (WLAN) or a traditional long term evolution (LTE) network is utilized by the data transmission method and the data transmission device under the dual-mode networking. On by utilizing a backhaul network of one of the two networks or by simultaneously utilizing the backhaul network of one of the two networks and a partial backhaul network of the other network, core networks of the two networks can be accessed, and therefore, up data is transmitted to core network equipment of the LTE network or the WLAN by the backhaul network, and down data sent by the core network equipment of the LTE network or the WLAN is transmitted to a dual-mode base station by the backhaul network. Only a network element in a transmission network needs to be slightly improved but a traditional core network framework does not need to be improved, and thus, the dual-mode networking of the WLAN and the LTE network can be realized by the unified backhaul network, so that the throughput of a system is effectively improved, the data transmission cost is reduced, and the effective coverage of indoor and outdoor wireless networks is realized.

The disclosed embodiments disclose techniques for optimizing data transfer costs for cloud-based security services. During operation, an intermediary computing device receives a network request from a client located in a remote enterprise location that is sending the network request to a distinct, untrusted remote site (e.g., a site separate from the distinct locations of the remote enterprise, the cloud data center, and the intermediary computing device). The intermediary computing device caches a set of data associated with the network request while forwarding the set of data to the cloud-based security service for analysis. Upon receiving a confirmation from the cloud-based security service that the set of data has been analyzed and is permitted to be transmitted to the specified destination, the intermediary computing device forwards the cached set of data to the specified destination.

The invention provides a mass video monitoring system based on automobile data recorders, and aims to resolve a contradiction between sharing and storage cost of mass video data. The mass video monitoring system comprises a plurality of mobile video sources, a cloud end and an application end, wherein the mobile video sources comprises the automobile data recorders which are provided with wireless communication modules being inner-connected and communicated with the cloud end; a database server, a data access server, an application server and a data processing center are established on the cloud end; the servers are connected with the data processing center respectively; and the application end is connected with the data processing center of the cloud end, and used for sending a video data request to the data processing center, and acquiring video data from the data processing center. Meanwhile, the invention also provides a mass data sharing method based on the system. Through adoption of the system and the method, the automobile data recorders of automobiles are connected to the Internet to form a strong electronic eye network, so that a powerful video information channel is provided for road safety and public safety. Meanwhile, the technical difficulty and data transmission cost are lowered greatly according to a concept of step-by-step storage.

The invention discloses a method for transmitting the data of Internet of Vehicles. The method comprises the steps of obtaining the operating data of vehicles, compressing the operating data into data messages and saving the data messages in a transmission cache region, when detecting that a vehicle goes into the acquisition range of a preset data acquisition point, setting the preset data acquisition point as a specified data acquisition point, and controlling a short-distance wireless communication module to extract the data messages from the transmission cache region and send the data messages to the preset data acquisition point. The invention also discloses a device for transmitting the data of the Internet of Vehicles. The method is capable of reducing the cost of the data transmission of the Internet of Vehicles.

The invention provides a financial data query method based on cloud computing. The financial data query method comprises the steps of receiving a query request which is submitted by a user by a user node; analyzing the query request and verifying the query request; decomposing the query request into multiple sub-queries; respectively converting the multiple sub-queries into multiple query languages which aim at multiple data sources based on the multiple data sources which need to be accessed by the multiple sub-queries; respectively executing the multiple query languages and obtaining multiple intermediate results; composing the multiple intermediate results into a query result. According to the financial data query method based on the cloud computing, provided by the invention, a more comprehensive query result can be obtained in a could computing network, unnecessary query operation is avoided, the computing resource is more reasonably utilized, and the data transmission cost is reduced.

The invention relates to an intelligent collapse monitoring device and method in the technical field of disaster prevention and reduction equipment. The method comprises steps that a combined sensor is disposed in a collapse region source region, and deformation, an inclination angle and internal infrasound change of a collapse body are monitored; the monitoring and early warning terminal analyzesand processes data acquired by the sensor, when the acquired data reaches a threshold value, an alarm program is started immediately, on-site audible and visual alarm can be realized, the data is sent to a client through a wireless communication module, accurate early warning is performed according to back-end calculation, local residents are notified in a short message or telephone mode, and casualties and property loss are avoided. The method is advantaged in that the intelligent collapse monitoring device supports remote sensor configuration and is comprehensive in complex mountainous areacollapse body detection factors, low in equipment power consumption, good in transmission real-time performance and not prone to data packet loss.

The embodiment of the invention discloses a data transmission method, a data transmission system and an operator fringe node. The method in the embodiment of the invention comprises the following steps of: performing passive optical network (PON) physical layer processing to acquire a PON media access control (MAC) frame; processing the PON MAC frame to acquire the next generation of xPON MAC frame, wherein the PON MAC frame is positioned in a load of the xPON MAC frame; and performing xPON physical layer processing on the xPON MAC frame to acquire an xPON physical layer signal and sending the xPON physical layer signal. The embodiment of the invention also provides a data transmission system and related equipment. The data transmission method, the data transmission system and the operator fringe node in the embodiment of the invention can effectively reduce the data transmission cost, prolong the optical transmission distance and reduce the realization complexity.

The invention relates to a wireless network remote monitoring method for oil smoke purification, which comprises the following steps: 1) an oil smoke data acquisition system automatically senses and monitors the concentration of the harmful gas and the inflammable gas in the surrounding environment in a monitoring point and the gas concentration of the oil smoke which is discharged from an outlet of an oil smoke purifier, and saves the relevant data into the data acquisition system of a monitoring device in the monitoring point; 2) GPRS terminal extracts the monitoring data from the data acquisition system of a monitoring substation in the monitoring point; 3) a transmission system utilizes an existing GPRS network and an Internet network to transmit the monitoring data to a monitoring center; 4) the monitoring center receives and saves the monitoring data at first and then summarizes, collates and comprehensively analyzes the data. The wireless network remote monitoring method for the oil smoke purification of the invention has the advantages of low investment, and can realize the real-time and online monitoring the working condition of the oil smoke purifying equipment and discharge condition of the oil smoke without the limitation of the environment and the region, thereby enabling the management and the monitoring for an environmental protection equipment and the emission index of the oil smoke to realize the systematization, the standardization and automatization, and being convenient for an enterprise to control the discharge amount of the oil smoke in an established index at the same time.

The invention discloses an online monitoring system for performances of transformers based on wide area synchronous measurement, and the system comprises a plurality of CT mutual inductors, a CVT transformer, an EVT transformer, an ECT transformer, a PT transformer, a CVT parameter acquisition module, an environmental parameter monitoring module, a merging unit, a clock synchronization module, anonline monitoring device, an electric energy collecting terminal, and an acquisition main station, wherein the current transformer CT, the capacitive voltage transformer CVT and the electromagnetic voltage transformer PT achieve the analog independent butt joint with the online monitoring device. The electronic voltage transformer EVT, the electronic current transformer ECT, the CVT parameter acquisition module and the environmental parameter monitoring module are connected with the merging unit, and the merging unit and the online monitoring device achieve the digital independent butt joint.The clock synchronization module is respectively in butt joint with the merging unit and the online monitoring device, and the output end of the online monitoring device is connected with the acquisition main station through the electric energy collecting terminal. When the system is in use, the system can synchronously monitor the insulating performance, error characteristics and environment parameters of the plurality of transformers.

The embodiment of the invention provides a method and a device for sending data and a method and a device for receiving data. The method for sending data comprises the steps of receiving business data sent by an application layer, encapsulating the link layer of the business data, writing a destination media access control (MAC) address into the business data, encapsulating the physical layer of the business data of which the link layer is encapsulated, writing a destination MAC address to the business data according to the link layer encapsulation, and sending an Ethernet data packet generated after the physical layer encapsulation. The embodiment of the invention can reduce the workload of sending and receiving data, increase the speed and the efficiency of sending and receiving data, improve the network resource utilization ratio and lower the data transmission cost.

The invention relates to a data transmission method and a data transmission system based on vehicle tracks. The data transmission method based on vehicle tracks comprises steps that mobile nodes are disposed on all vehicles, fixed nodes are arranged at partial intersections, and a source node is arranged in a network access point; when the source node needs to send a message to a target vehicle, whether any fixed node exists on a progressing track of the target vehicle is determined; if any fixed node exists on the progressing track of the target vehicle, then the source node finds a tail node for message transmission on the progressing track of the target vehicle; the source node predicts every node distribution location at any moment according to the vehicle progressing tracks reported by every mobile node, and then according to the principle of minimum message transmission time delay, a transmission node sequence from the source node to the tail node is selected based on the node distribution location and the message transmission time delay of the node; the message is transmitted to the tail node along the transmission node sequence, and the tail node then forwards the message to the mobile node on the target vehicle. The data transmission method and the data transmission system based on vehicle tracks improve effectiveness and reliability of data transmission and at the same time effectively reduce data transmission cost.

Medical data provided by a physiological parameter sensor is used for management of the patient's medical condition. Analytes that may be monitored and managed include, but are not limited to, acetyl choline, amylase, bilirubin, cholesterol, chorionic gonadotropin, creatine kinase (e.g., CK-MB), creatine, glucose, glutamine, growth hormones, hormones, ketones, lactate, oxygen, peroxide, prostate-specific antigen, prothrombin, thyroid stimulating hormone, and troponin.

The invention discloses a data lossless compression method for remote monitoring system data transmission, belonging to the remote monitoring technical field; the invention comprises a historical data resister with the length of 26 characters and a coding dictionary, wherein the real-time monitored status data are collected, coded and transmitted in periodic cycles, the new data are compared with the historical data character by character, the character statistical coding which is continuously unchanged is realized the redundancy removal compression. The invention has the advantages of high data compression ratio on slow acting monitoring status data, simple and quick coding and decoding algorism, small data buffer area needed and easy realization of hardware programming; moreover, the invention also has the advantages of greatly reducing the data volume and the data transmission cost of the remote data transmission and improving real time and reliability of the data transmission.

The present invention provides an efficient method and system for performing data mining on large amounts of data using a multi-threaded Bayesian algorithm. The method for data mining includes receiving data from a database, performing multi-threaded classification on the data using a Naïve Bayes model and performing multi-threaded regression on the data based on a Naïve Bayes model. One of the multi threaded classification and regression steps may include processing the data according to a batch learning system, processing the data according to an incremental learning system, processing the data according to an online learning system, and processing the data according to a distributed learning system. One of the the multi-threaded classification and regression steps may include developing a set of rules from a set of training data. One of the multi-threaded classification and regression steps may comprise arranging the data into a plurality of groups.

The invention discloses an on-line storing and sharing method and system, wherein the on-line storing and sharing method and system aim to save network resources and reduce transmission cost. The method comprises the following steps: a personal computer data interaction server uploads a data block which changes, node index information and a saving path of a file to a data center, wherein the file stored in a personal computer client side; a personal computer information agent transmits a file updating message to a mobile terminal message agent in an interactive mode through the data center; the mobile terminal message agent informs a mobile terminal client side of changes in the file of the personal computer client side; after receiving a request sent by the mobile terminal client side, the data center interacts with a mobile terminal data interaction server to synchronize the data block which changes to the mobile terminal client side. According to the on-line storing and sharing method and system, it is not necessary that the whole file is uploaded and downloaded, the data transmission quantity is reduced greatly, valuable network bandwidth resources are saved, and data transmission cost is lowered.

The embodiment of the invention provides a base station synchronization method and device. The method comprises the steps that a server determines a first base station; The server receives a synchronous response frame sent by the second base station; Wherein the synchronous response frame comprises a sending timestamp for the first base station to send the synchronous request frame and a receivingtimestamp for the second base station to receive the synchronous request frame; The server calculates a first system time difference between the first base station and reference time and a second system time difference between the second base station and the reference time according to the sending timestamp and the receiving timestamp of the synchronization request frame; The server sends the first system time difference to the corresponding first base station, and sends the second system time difference to the corresponding second base station; Wherein the first base station is used for performing time adjustment according to the corresponding first system time difference; And the second base station is used for performing time adjustment according to the corresponding second system timedifference. In the embodiment of the invention, each base station in the whole network can realize the synchronization with the reference time according to the corresponding system time difference.

The invention discloses an interface circuit compatible with an SAS hard disk, an SATA hard disk and an NVME hard disk and a server backboard. The interface circuit comprises a first interface moduleand a second interface module, wherein the first interface module is configured to be connected with the SAS hard disk or the SATA hard disk; The second interface module is configured to be connectedwith the SAS hard disk, the SATA hard disk or the NVME hard disk; The processing module which is connected with the first interface module and the second interface module and is configured to read storage data in any one of the SAS hard disk, the SATA hard disk and the NVME hard disk; The communication module which is connected with the processing module and is configured to convert the stored data from a serial signal into a parallel signal; And the control module which is connected with the communication module and is configured to perform data communication with any one of the SAS hard disk, the SATA hard disk and the NVME hard disk according to the stored data.

Multi-sensor Internet of Things resource adaptive deployment management and control middleware is designed and constructed, and data dynamic decision is made based on environment close calculation; middleware is designed to realize fusion access deployment of various wireless communication network nodes; through virtualization of attributes and processing of sensor nodes in a sensing network, a virtual sensor abstract pool is formed in a middleware platform, and implementation details of heterogeneous sensing nodes and a communication protocol are shielded; according to the design, a real-time dynamic management and control message publishing and subscribing process of an application end in the aspects of node resource discovery and deletion, node running state monitoring, node working modes and the like is realized, and end-to-end interaction between a sensor node and the application end is realized; data filtering and calculation are added in the middleware, interconnection and intercommunication between different devices of the sensor network are achieved, the problem that heterogeneous network information nodes are difficult to fuse and transmit is solved, sensing layer devices and data types are more diversified, and the requirements of various industries in the future are better met.

The invention relates to a method for measuring rotating speed by using a smart phone. The method comprises the following steps of: setting a cursor on the rotating shaft of a detected object, setting the flashlight of the phone to enable the flashlight to flash towards the rotating shaft of the detected object according to certain frequency, photographing to obtain rotation pictures of the rotating shaft of the detected object by using the photographing function of the phone, and processing a data stream to obtain the rotating speed. The phone directly transmits the rotating speed to a control room in a wireless transmission way and the control room gives out a new command according to the obtained result; and the phone receives the command and controls an adjusting device to adjust the rotating speed of the detected object.

The present application discloses a video data transmission method and transmission device and a driving device. The transmission method comprises a step of receiving video data corresponding to an image screen by using a first clock frequency, a step of dividing the video data into multiple pieces of sub data, wherein each of the sub data represents display data of a partial area of the image screen, and a step of parallelly sending at least some sub data in the multiple pieces of sub data to an LED display screen by using a second clock frequency, wherein the second clock frequency is smaller than the first clock frequency. According to the transmission method, the video data is divided into the sub data to carry out frequency reduction transmission so as to reduce data transmission costand realize the long distance wire arrangement, and thus a large-size LED display can be conveniently assembled.

The invention discloses an atmospheric monitoring system, which comprises computer monitoring equipment, GSM communication equipment, an atmospheric monitoring GSM module, and an atmospheric monitoring module. Communication equipment is connected. The atmospheric monitoring system provided by the invention is based on GSM communication, and has low cost, simple structure, convenient operation, real-time monitoring and long-term storage of data.

The invention discloses a mobile robot control system for indoor environment video monitoring. According to the technical schemes of the invention, the interfaces of a first motor (1) and the interfaces of a second motor (2) are correspondingly connected with some interfaces of a motor driving board (3); the positive pole and negative pole of a second power source (11) are correspondingly connected with the interface Vss of the motor driving board (3) and the interface GND of a servo (10); the other interfaces of the motor driving board (3) and the other interfaces of the servo (10) are correspondingly connected with the pins of an Arduino (4); the first USB interface to the fourth USB interface of a Raspberry Pi (5) are sequentially connected with the USB interface of the Arduino (4), the USB interface of a wireless network card (6), the USB interface of a camera (8), and the USB interface of a first power source (9) through USB data cables; and the wireless network card (6) is wirelessly connected with an android mobile terminal (7) through Wi-Fi. The mobile robot control system of the invention has the advantages of high stability, low video data transmission cost, mobility and large-data volume real-time video transmission.

The invention discloses a hybrid cloud network data transmission method and apparatus, an electronic device and a computer readable storage medium. The method comprises the steps of receiving a data source file through a private cloud; analyzing the data source file by using the corresponding analysis script to obtain file content information; packaging the file content information to obtain packaged file content information, and storing the packaged file content information in a warehouse; obtaining the size of the content information of the packaged file; when the size of the packaged file content information is greater than a preset threshold, fragmenting the packaged file content information to obtain multiple pieces of fragmented file content information; and sending the content information of the plurality of fragmented files to the public cloud by using a concurrent process by adopting a long connection network transmission means. According to the invention, the problems of lowdata transmission speed and poor transmission quality between hybrid clouds in the prior art are solved.

The invention provides a big data intelligent control LED display screen. The big data intelligent control LED display screen includes a CPU module, an infrared biological recognition module, a GlobalEye monitoring module, a WIFI high speed transmission module, a Wlan transmission module, a high definition display processing technology module and an LED high definition display screen. During the working process, the information issued by a terminal user can be transmitted to the LED high definition display screen through the WIFI high speed transmission module, the Wlan transmission module and the CPU module to realize data display, so that the information can be broadcasted. The GlobalEye monitoring module can be used for monitoring the surrounding environment and the number of audiences of the LED high definition display screen, performing monitoring display on the playing state of the LED high definition display screen, and transmitting the result to the terminal user. The infrared biological recognition module is used for performing infrared scanning of the surrounding environment of the LED high definition display screen and the number of people watching the large screen, and performing data acquisition on the people watching the large screen, and then transmitting the data to the CPU module to perform data matching and comparison with an internal database so as to determine the age group of the people watching the large screen. The big data intelligent control LED display screen has the advantages of being high in the acquisition efficiency and the accuracy of a data source.

The invention provides a secure data transmission method, a terminal and a multi-mode communication terminal. The method comprises the following steps that: enabling a first terminal to encrypt data information to be transmitted; establishing a broadband communication link with the second terminal; transmitting the encrypted data information to the second terminal through the broadband communication link; obtaining preset key information related to the data information to be transmitted, wherein the preset key information can be used for decrypting the encrypted data information; establishinga narrowband communication link with the second terminal; and transmitting the preset key information to the second terminal through the narrowband communication link. According to the invention, thepurposes of improving the data transmission safety performance and reducing the data transmission cost are achieved.

The invention provides a data transmission method and apparatus. The method comprises the following steps: obtaining a first type of data and a second type of data to be sent, wherein a transmission delay allowed by the first type of data is smaller than the transmission delay allowed by the second type of data; and sending first type of data that needs to be transmitted instantaneously on a firstcarrier frequency band of a transmission channel between a target optical line unit and an optical line unit, wherein the transmission channel allows the simultaneous transmission of the first type of data and the second type of data, and the lowest frequency in the second frequency band for sending the second type of data on the transmission channel is higher than the highest frequency in the first carrier frequency band. By adoption of the data transmission method and apparatus, the technical problem of high cost of transmitting data with different delays in a passive optical network is solved.

The embodiment of the invention provides a traffic scheduling method and system of a terminal access network, the method and system are suitable for a network controller. The method comprises the following steps: acquiring the first overstock information of an input queue and the second overstock information of an output queue; acquiring the extra cost overstock information of a previously constructed first virtual queue at a target moment, and acquiring the overtime overstock information of a previously constructed second virtual queue at the target moment; solving a traffic scheduling strategy through the adoption of the previously constructed Lyapunov drift penalty function based on the first overstock information, the second overstock information, the extra cost overstock information and the overtime overstock information; transmitting a data packet which is cached in the input queue and meets the data transfer amount to the output queue through a to be scheduled channel. Through the adoption of the embodiment of the invention, the stability of the traffic scheduling system is guaranteed when a hybrid communication network is used as the access network, and the data transmission cost is lowered.