1178results about How to "Realize data transmission" patented technology

The invention relates to a wireless acquisition device of culture water quality, which comprises a sensor group, a microprocessor and a wireless communication module. Based on the wireless acquisition device, the invention also discloses a system for wirelessly monitoring the culture water quality, which comprises a data storage module, a power supply module and a buoy. The device and the system adopt a solar energy supply; the system has an online state and a dormant state; software and hardware are designed by adopting a low power consumption power-saving mode, and can acquire and store a plurality of water quality parameters such as the pH value, the electrical conductivity (EC), the water level, the dissolved oxygen (DO) and the water temperature of a culture water environment; the acquired data can be sent to a data monitoring center by GPRS; and the DO value in water can be predicted, and water quality DO early warning information is sent to an intensification aquaculture manager through mobile phone short messages.

The invention discloses a communication method of a novel network. The novel network is a network with a centralized control function and comprises a main control server and subordinate network equipment, and the subordinate network equipment comprises terminals. The method comprises the following steps that: the main control server configures downlink communication link for a current service; and the main control server sends the current service data packet sent by a source terminal to a target terminal according to the downlink communication link. Through the communication method and the communication system, the stability and smoothness of the transmission channel are ensured, the delay of multimedia services is prevented, the requirements for the state information security are met, the hardware resources are saved and the network transmission quality is guaranteed.

The invention relates to an internet of things device P2P connection method based on an NAT penetration adapter. The method is characterized in that a host on a public network outside NATs achieves NAT penetration, and data detection and control are carried out on a built-in terminal in the internet of things in the NATs in a P2P mode; hosts in different NATs achieve penetration of the NATs to achieve two-way transmission of sensing and control data between different local area networks and between an outer network and the local area networks, and the two-way transmission is based on built-in devices in the internet of things in the NATs and universal devices. The method is based on the technology of interactive communication building modes, traversing NAT modes of STUN and TURN are combined, and the method is a comprehensive NAT solution.

The invention provides a user terminal and a data transmission method. The method comprises: before a user terminal sends first data, whether the user terminal needs to be switched to a connection state is determined; and according to a determination result, the user terminal adjusts the state of the terminal itself and sends the first data to a base station based on the adjusted state. Therefore, data transmission between UE and a base station in an in-active state can be realized.

The invention provides a multi-node synchronous sampling control and data transmission method, the steps are as follows:(1) an overall synchronizer that matches with the upper layer data processing equipment and the process variable acquisition control equipment (DAE) is constructed, the equipment produces an overall synchronous signal S1 by utilizing an outer sync source or a local timer; (2) the overall synchronous signal is accessed to one or more data communication equipment (DCE), which produce a synchronous signal S2 for each accessed process variable acquisition control equipment; (3) the absolute time scale in the signal S1 and the overall sampling counter are utilized to realize the secondary synchronous sampling on the process variable among the data communication equipment; (4) the acquisition control equipment (DAE) for acquiring and outputting the process variable detects the synchronous signal and order data after receiving the signal S2; (5) the acquisition control equipment dynamically adjusts the start time of the S2 signal according to Delta ti and realizes the long-distance multinode synchronous sampling.

The invention discloses a transmission method and system of machinery communication messages, wherein the method comprises the following steps of: transmitting MTC (Magnetic Tape Command) messages between an MTC terminal and a scheduled network element through a signaling path, wherein the scheduled network element comprises an MME (Mobile Management Entity), an SGSN (Service GPRS Supporting Node), an MSC (Mobile Service Center), a short message center or an IWK (Internet Working Key); and transmitting the MTC messages between the scheduled network element and an MTC server. Through the transmission method and system of machinery communication messages, the transmission of data between the MTC UE and the MTC Server without relying on an IP (Internet Protocol) connection channel is realized, and the transmission method and system can be widely applied to various network scenes.

The invention provides a data transmission method in a radio link control layer acknowledged mode, which comprises the following steps: establishing a logical channel message queue for a logical channel between a transmitting side and a receiving side; when the transmitting side transmits data through a first logical channel, transmitting the data after packeting and segmenting the data; after the receiving side receives the data packets, analyzing the data packets which pass through the valid detection, storing the data packets in the receiving cache queue or resegmenting queue of a second logical channel according to the analysis result, updating the parameters of a receive window, and submitting the data packets after the data packets satisfy the requirements; desegmenting and depacketing the data packets submitted by a submission queue, submitting the recombined integrated service data unit to an upper layer, constructing a status report, and transmitting the status report to the transmitting side; and after the transmitting side receives and analyzes the status report, processing the status report, and retransmitting the data when detecting loss or transmitting errors in the previously transmitted data packets according to the status report.

The application relates to the wireless communication technology field, in particular to a method, a system and a device for data transmission, which are used to solve the problems in the prior art that due to the interface protocol limit between an REC and an RE, the communication between the REC and the RE in a wireless base station system can not utilize the existing transmission networking resource, so that the resources can not be saved very well, and the cost is not reduced. The method of the application comprises the steps of transforming the first data sent by a first device in the wireless base station system to a second device in the wireless base station system into a first Ethernet report, sending the first Ethernet report to the second device; and/or receiving the second Ethernet report obtained by transforming the second data sent by the second device to the first device, and transforming the second Ethernet report into the second data. The application can realize the fusion of the wireless base station system and an Ethernet transmission protocol.

The invention relates to a data interactive method for a distributed middleware and a database, which belongs to the technical field of distributed system middleware, wherein the distributed middleware consists of a request monitoring module, a request receiving module, a result sending module, a data buffer module and a data access module; the distributed middleware is characterized in that the data buffer module is connected with the request receiving module, the result sending module and the data access module; the request monitoring module is connected with the request receiving module; the result sending module and the request monitoring module are respectively connected with an application program through a TCP/IP communication protocol so as to achieve the aim of information communication; and the data access module is connected with the database by an ODBC technology so as to realize the information transmission of the data access module and the database. The method provides aninteractive method for the distributed middleware and the database with multiplexing, easy resolving, high efficiency and better compatibility and expansibility.

The invention discloses an ultrahigh-frequency wireless sensing tag which combines the passive operating mode with the semi-active operating mode. The ultrahigh-frequency wireless sensing tag comprises a radio frequency rectifying circuit, an ASK signal demodulation circuit and a back reflection modulator circuit which can change the input impedance of an antenna, in this way, wireless receiving and transmitting of sensing data can be achieved through the tag in a passive mode, and power consumption and cost are reduced. When the passive operating mode of the tag is started, an on-chip sensor can be started for acquisition and transmission of the sensing data; when the semi-active operating mode of the tag is started, an off-chip sensor can be started for acquisition and transmission of the sensing data. According to the sensing tag, a command specified in ultrahigh-frequency RFID international standard ISO 18000-6C and EPC C1G2 is used for starting of the on-chip sensor or the off-chip sensor and controlling and uploading of the data, in this way, a special control chip does not need to be designed, and any ultrahigh-frequency reader-writers according with the international standard can be used for acquiring and uploading the sensing data.

The invention discloses a communication method for a smart home controller. The method comprises the following steps: establishing network connection between the smart home controller and household appliances; receiving data packages sent by the household appliances by the smart home controller, wherein the data packages comprise the protocol identifiers of communication protocols supported by the household appliances; judging the protocol types of the communication protocols supported by the household appliances through the protocol identifiers by the smart home controller; selecting a protocol analytic program correspond to the protocol types of the communication protocols from a plurality of protocol analytic programs according to the judgment result, utilizing the protocol analytic program to analyze the data packages, and thus realizing data transmission with the household appliances. The invention further discloses the smart home controller. By judging the protocol types of the communication protocols supported by the household appliances and selecting the protocol analytic program corresponding to the communication protocols for protocol analysis according to the protocol types, data transmission between the smart home controller and the household appliances can be realized.

This invention relates to a broad band high speed power carrier communication method for realizing power line carrier communication system including an emission end and a receiving end connected by power lines, in which, the actual working flow includes: a PC generates data flows and transmits them according to the requirement of the data segment part in the frame format of the system, the actual working flow of the receiving end includes: signals transmitted by channels pass through a coupler at the receiving end then to carry carrier waves, which is a process of converting signals down corresponding to the transmission end, and communication rate is greater than or equal to 100Kbps and direct communication distance is greater than or equal to 100m and the system Internet access is realized.

The invention provides an oil field geographic information and exploration development collaboration work platform system. The system comprises an exploration development part and a geographic information part. The exploration development part comprises a data layer, an application service layer and a service research layer. The data layer quotes from external data, sets up various databases, and provides the support for the application service layer and the service research layer. According to the geographic information part, integrated platform database building, GIS service function development, data service function development, system service function development and ground geographic information and underground exploration development combination are involved. Ground and underground information system deep fusion is achieved, the oil reservoir geology and an oil reservoir are dynamically unified, ground engineering and underground geology are unified, exploration information and development information are unified, oil field digitalization construction is promoted, and a powerful guarantee is provided for production capacity constructing and potential tapping of an oil field.

The invention discloses a Hadoop-based distributed intrusion detection system which comprises a data acquisition module, a data storage module, a control center and a data analysis module, wherein the control center comprises a system management module, a system monitor module, a task scheduling module and an alarm response module. By utilizing a Hadoop-based distributed computation framework, the system is allowed to have good interoperability, and the system reliability is improved; the system carries out data parallel acquisition through a distributed mode, thereby improving data acquisition capability and reducing packet loss probability; in an algorithm adopted in the system, data is allocated according to capacity and load of nodes, and adjustment is carried out by utilizing a dynamic load balancing strategy, so that data processing capacity of the nodes is given effective play to, and load balancing of the system is maintained; and through the algorithm, the case of distributing the data comprising the same attack to two or more detection nodes for processing separately, which damages integrity of the data, is prevented, and detection efficiency is improved effectively.

This invention relates to a fixed connecting engine driving control system composed of two engines. Each engine has the same controlling system composed of central control unit, driving control unit, logic control unit, display unit, operation safety monitoring unit and electrical braking logic unit. It is characterized by the following: each engine control system adopts local network bus to make the data communication between module plates in each unit.

The invention discloses a full-automatic laser tunnel section convergence instrument and a measuring method. The full-automatic laser tunnel section convergence instrument comprises a laser ranging system, an acquisition and communication system (2) and a mounting and fixing system (3), wherein the laser ranging system comprises a plurality of laser ranging modules (11); the acquisition and communication system (2) comprises a central processing module, a data acquisition module, a data storage module, a data communication module, a power management module, a power interface (26) and a data interface (27); the mounting and fixing system (3) comprises a pedestal (31), a core plate (32), a frame plate (33), a cover plate (34) and an inclinometer (35); and the laser ranging modules (11) are fixed on the core plate (32), each laser ranging module (11) is connected with the data acquisition module through a data line, and the laser ranging modules (11) and the core plate (32) are arranged within the frame plate (33). The full-automatic laser tunnel section convergence instrument can be mounted on a tunnel vault or side wall conveniently, and achieve full-automatic tunnel section multi-point convergence monitoring and data transmission.

The invention belongs to the technical field of firefighting infrared detection, in particular a helmet type infrared detection and image transmission processing system. The system mainly comprises a front-end transmission system, a background command system and a relay system which transmit corresponding signals through radio waves. The front-end system integrated on equipment of a fire fighter acquires information in a fire, and transmits the information to the relay system and the background command system through the radio waves; and the background command system analyzes corresponding information to provide intuitive fire date and facilitate rescue deployment. The system has the characteristics of small volume, light weight, convenient carrying and the like, realizes functions of discovering rescue targets on the fire scene, acquisition and radio transmission of audio, video and data, image processing, intelligent analysis, real-time display and the like, accords with the development tendency of light, intelligent, high-efficiency and integrated firefighting equipment, and meets actual firefighting requirement and firefighting army assaulting requirement.

The embodiment of the invention discloses a data transmission method of a shunt bearing scene and a device thereof, and is used for solving a problem of solution for data transmission between all base stations scheduling a terminal and the terminal under the shunt bearing scene. The method of the embodiment of the invention comprises the steps that the terminal working under scheduling of multiple base stations receives downlink data, and the base stations transmitting the downlink data are confirmed according to communities bearing the downlink data; and de-multiplexing processing is performed on the downlink data by the terminal, and the generated MAC SDU is transmitted to an RLC entry corresponding to an RB scheduled by the base stations of the terminal to be processed, wherein the terminal comprises RLC entries corresponding to different base stations as for each RS commonly scheduled by the multiple base stations. Therefore, data transmission between the terminal and the different base stations scheduling the terminal is realized under the shunt bearing scene.

The embodiment of the invention discloses a multi-application inter-system application method and a system and relates to the field of computer applications. The method comprises the following steps: a first application system carries out synchronous obtainment of log data from a transit server of a second application system; the first application system screens out the log data which meets the binding relationship from the synchronously obtained data of the second application system according to the binding relationship between a user globally unique identifier (GuID) of the first application system and a user identifier ID of the second application system; and the first application system applies the log data according to preset rules. The system comprises a grasping server, a screening server and an application server. The embodiment of the invention provides a new platform for the development of all application systems, reduces the independence on a client, improves the user experience and eases the problem of storage pressure to a certain extent.

The invention provides a stacked link aggregation fault detection method and stacked devices, wherein the method comprises the following steps: periodically sending a KeepAlive message from a first detection port, if an ACK message which aims at the KeepAlive message and is sent by an adjacent stacked device is not received within the maximum retry time or the maximum retry time, determining thata link passing through the first detection port has a fault, then setting the first detection port into the state of not participating in message forwarding; and periodically waiting for receiving the KeepAlive message at a second detection port, if the KeepAlive message sent by the adjacent stacked device is received within the maximum retry time or the maximum retry time, determining that a link passing through the second detection port has a fault, then setting the second detection port into the state of not participating in message forwarding. Through the application of the method and device provided by the invention, stacked devices can span over transmission facilities, so that the stacked devices can be respectively placed at the positions which are far enough.

The invention discloses an inter-process communication method which comprises the steps that a main process establishes a subprocess host object; the main process starts a subprocess through the established subprocess host object and sends a first command to the subprocess; the subprocess is started to receive the first command from the main process; the subprocess establishes a corresponding subprocess object; the subprocess object sends a start response message to the main process; the main process determines the corresponding subprocess host object according to a subprocess identifier in the received start response message and sets a corresponding subprocess communication interface handle for the subprocess host object; the main process and the subprocess build a communication channel for data transmission. According to such an inter-process communication mechanism, even if the main process needs to operate more subprocesses, the complexity of the inter-process communication is not increased, and the cost of operating and maintaining communication between a plurality of inter-processes is effectively reduced.

The invention relates to a digital seismic detector based on a computer network, and is used for solving the problems of high cost, high power consumption and poor function of the traditional seismic detector. The digital seismic detector consists of a central control operating system, root nodes, main nodes, base stations, a power supply station used for supplying power to an acquisition chain, the acquisition chain, optical cables and a big-cable unit; the central control operating system is connected with the root nodes through a plurality of bonded gigabit lines; the root nodes are connected with the main nodes and other field ground equipment through a plurality of the optical cables; a plurality of the main nodes are connected through gigabit optical cables to form a backbone network; the main nodes are connected with the base stations through large line cables; the base stations are connected through 100M big cables to form a secondary backbone network; the base stations provide a plurality of special synchronous transmission interfaces for connecting the acquisition chain and the power supply station; the acquisition chain consists of a plurality of acquisition stations; and the base stations have the function of the power supply station and are used for supplying power to the acquisition chain. In the invention, the data transmission of the backbone network is completed by adopting gigabit optical fiber, the data transmission of the secondary backbone network is completed by adopting the 100M cables, and the real-time data transmission of the acquisition chain is realized by adopting a similar token ring. The digital seismic detector has the advantages of low cost, low power consumption, strong function and capability of realizing data transmission of a 100-thousand-grade digital seismic detector in a reliable mode.

The invention relates to an adaptive segmentally controlled tunnel illumination control system and method; the system comprises a tunnel illumination controller, a signal detection unit, a Zigbee network unit, and a plurality of illumination lamp sets; the signal detection unit comprises a vehicle sensor, a vehicle speed sensor, a brightness sensor, a temperature sensor, and a raindrop sensor; the Zigbee network unit comprises Zigbee main node module connected with the tunnel illumination controller, and a plurality of Zigbee node modules respectively connected with the illumination lamp sets; the illumination lamp sets comprise an introduction segment lamp set arranged outside the tunnel, an illumination lamp set arranged in the entrance segment in the tunnel, a transition segment illumination lamp set, a middle segment illumination lamp set, an exit segment illumination lamp set, and a road lamp illumination lamp set arranged outside the tunnel, and also comprise an emergency illumination lamp set. The adaptive segmentally controlled tunnel illumination control system can realize tunnel illumination, satisfies illumination curve demands of human eyes, thus eliminating black frame, black hole and white hole effects.

The invention discloses a mobile Sink path planning method for an underwater heterogeneous sensor network. The method comprises the following steps: a dual-layer topology network structure is established; an optimal aggregation node laying location is selected by adopting a fitness function and a grid method; a mobile Sink plans the shortest mobile path and mobiles to transverse all aggregation nodes; a shore-based monitoring center sends a remote control command to the mobile Sink in a multi-hop way through the aggregation node upper network; the mobile Sink changes the mobile path in real time according to the control command. The collection and transmission of the network monitoring data are realized through a multi-mode communication way of the underwater sound and laser communicationand the mobility of the mobile Sink, thereby effectively improving the bottleneck problem that the underwater communication rate and the distance are in conflict.

The invention relates to a subscriber identification module and a transmission method and system based on the subscriber identification module. The subscriber identification module comprises a bus, a processing module and a storage module, wherein the processing module and the storage module are connected with the bus. The subscriber identification module further comprises a short distance wireless communication controller, a short distance wireless communication module and a radio frequency antenna, wherein the short distance wireless communication controller is connected with the bus; the short distance wireless communication module is connected with the short distance wireless communication controller; the radio frequency antenna is connected with the short distance wireless communication module; and the short distance wireless communication controller is used for controlling the short distance wireless communication module to carry out data interaction with an external entity through driving the radio frequency antenna, writing the data which is received by the short distance wireless communication module from the external entity into the storage module through the processing module, and reading the data through the processing module from the storage module, wherein the data is sent to the external entity by the short distance wireless communication module. In the invention, the high-speed data exchange between an external entity and the subscriber identification module can be supported without needing to chang a terminal.

The invention discloses a method, a system and a device for data transmission, which are used for realizing the technical scheme of transmitting data by adopting semi-persistent scheduling (SPS) resources in a carrier aggregation system. The data transmission method provided by the invention comprises the following steps: a base station determines the SPS resources of a plurality of member carriers reserved for the same user equipment in the carrier aggregation system in advance; and the base station carries out data transmission with the user equipment by adopting a time division multiplexing mode through the SPS resources of the plurality of the member carriers reserved for the same user equipment in the carrier aggregation system in advance.