147results about How to "Solve data transmission" patented technology

The invention discloses a method for realizing reconfiguration in dual connectivity, a master eNB (MeNB), and a secondary eNB (SeNB). In a process of transferring a user plane bearer of UE to a target SeNB of the same MeNB from a source SeNB, a user plane interface for providing uplink data service and downlink data service is established between the source SeNB and the target SeNB; and in a reconfiguration process, the target SeNB forwards an uplink RLC data PDU to the source SeNB, and the source SeNB distributes a downlink PDCP data PDU to the target SeNB and maintains data transmission with the UE until the reconfiguration is successful. In a process of establishing the connection with the target SeNB by the UE, the user plane interface for providing uplink/downlink data service for the UE is established between the source SeNB and the target SeNB so that the problem that when the UE performs uplink and downlink synchronization with the target SeNB and establishes connection, the UE fails to perform data transmission with a network side at the layer of a micro base station or a low-power node is solved, rapid reduction of the data throughput of the user plane is avoided, and the user experience of the UE during reconfiguration of the user plane is guaranteed.

The invention relates to a high-speed data acquisition card implemented on the basis of a hardware, which comprises a signal conditioning circuit. The signal conditioning circuit consists of a digital gain amplifier and a single ended to differential converter, and is used for inputting an input signal into an analog-to-digital conversion circuit sequentially by the digital gain amplifier and the single ended to differential converter; the analog-to-digital conversion circuit is controlled by a sampling clock signal to acquire the input signal, convert the input signal into a digital signal and input the digital signal into an FPGA (Field Programmable Gata Array) data processor; the FPGA data processor is used for carrying out data buffering on the received digital signal and storing digital signal data into a high-speed dynamic memory controlled by the FPGA data processor; the data is transferred onto a PC (Personal Computer) machine by the cooperative work of an on-chip embedded system in which the FPGA data processor is used as the core and an ARM (Advanced RISC Machines) control module; and a power supply comprises an analog power supply network and a digital power supply network and has an external power supply mode. After the high-speed data acquisition card is adopted, 500MHz analog-to-digital sampling and real-time storing functions can be realized. The high-speed data acquisition card can be widely applied to the field of acquisition of the high-speed signal data.

The embodiment of the invention discloses a data transmission method and data transmission equipment for a carrier aggregation system, and relates to the technical field of wireless communication. The method and the equipment are used for solving the problem of how to transmit data in a sub-frame with an uncertain uplink/downlink transmission direction by user equipment (UE). The method comprises that: a terminal determines whether uplink scheduling signaling for the sub-frame with the uncertain uplink/downlink transmission direction is received from a base station or not; and the terminal transmits uplink data or receives downlink data by using the sub-frame with the uncertain uplink/downlink transmission direction according to a determination result. The terminal in the scheme can determine how to transmit the data in the sub-frame with the uncertain uplink/downlink transmission direction according to whether the uplink scheduling signaling is received or not, thereby solving the problem of how to transmit the data in the sub-frame with the uncertain uplink/downlink transmission direction by the UE not supporting synchronous uplink and downlink transmission.

The invention discloses a target tracking method based on edge computing, which mainly shoots a target through an unmanned aerial vehicle, assists in shooting the target through a ground camera network when the unmanned aerial vehicle cannot work, and an edge node computing cluster formed by ground terminal equipment is responsible for processing and analyzing video data streams. When the unmannedaerial vehicle cannot normally track, the ground camera network and the edge nodes are selectively requested to be combined to participate in a tracking task, so that the robustness of unmanned aerial vehicle tracking can be improved, and even if a final target is completely lost, the target can be efficiently found again to continue tracking due to near field communication between the edge nodesand the ground camera network; the container technology is used for isolating platform differences, so that the problem of incompatibility of video analysis and processing applications on different platforms can be solved; the ground-air cooperative mode is reasonably selected according to the current tracked state of the target, so that the energy consumption of the whole network can be reduced,and the response time of the network can be prolonged.

The invention discloses an intelligent garbage recovery system and a dustbin overflow processing method; the intelligent garbage recovery system comprises an intelligent dustbin, an intelligent garbage truck, a wechat mini app client end and a host computer monitoring center; the intelligent dustbin comprises a dustbin body, a dustbin controller, a garbage detector, a dustbin cover turning device,a dustbin positioning device and a dustbin communication device; the dustbin positioning device can position through GPS. The dustbin can detect garbage through an infrared paired transistor; when the garbage in the dustbin reaches certain height and blocks the infrared rays, a garbage overflow alarm signal can be triggered; compared with the prior art, the garbage quantity detection mode is higher in accuracy; the Zigbee network technology and the GPRS communication mode technology are combined, thus reducing the expensive cost of an existing intelligent dustbin employing the GPRS network communication.

The embodiment of the invention discloses a method, equipment and a system for the communication between external equipment and internal equipment of a home network, relates to the field of communication, can solve the problem of data transmission for the communication between the external equipment and the internal equipment of the home network and reduces network flow. The method provided by the embodiment of the invention comprises that: the external equipment establishes a connection channel with a home gateway; the external equipment acquires information on the internal equipment of the home network from the home gateway through the established connection channel; and the external equipment controls the internal equipment of the home network through the established connection channelaccording to the acquired information on the internal equipment of the home network. The embodiment of the invention can realize the subscription by the external equipment of the state information onthe internal equipment of the home network.

The application discloses a method and device of realizing data transmission. The method comprises the steps of obtaining the maximum hybrid automatic repeat request (HARQ) process number corresponding to a carrier located in an unauthorized frequency spectrum in the carrier aggregation; transmitting the data in the unauthorized frequency spectrum according to the obtained maximum HARQ process number. According to the method of the present invention, by obtaining the maximum HARQ process number corresponding to the carrier located in the unauthorized frequency spectrum in the carrier aggregation, the problem of transmitting the data in the unauthorized frequency spectrum is solved, thereby realizing the data transmission in the unauthorized frequency spectrum.

The invention provides a model-driven data transmission method and a system in a wireless sensor network. The method comprises the following steps: when a sensor node collects a sensing data, updating a parameter of a real-time prediction model on the node, and calculating a sensing data prediction value at the moment by virtue of a synchronous prediction model on the node; when an error between the sensing data prediction value and the collected sensing data is greater than a set error threshold, updating the parameter of the synchronous prediction model by virtue of the parameter of the real-time prediction model, and transmitting the updated parameter of the synchronous model and the collected sensing data to a gateway. According to the system and the method, the data transmission problem of an offline training phase of the model is avoided; the quantity of data transmission in the network is reduced under the premise that the quality of the data collected by the sensor network is not reduced; the energy consumption of the sensor node is reduced, thus the service life of the sensor network is prolonged.

The invention discloses a data exchange method between a network intelligent management terminal and a network facility, wherein the intelligent management terminal adopts a communication protocol and the network facility to perform message exchange. The data exchange method comprises the following steps: acquiring resource information: reading facility information, reading ID of a tank body or the facility, a manufacturer marker, machine frame information, plate/disc information, port information and hardware-software upgrading edition number; upgrading software; writing in electronic label information; acquiring and automatically reporting warning/event information; operating an indicator lamp. The invention provides the data exchange method between the simple and reliable network intelligent management terminal and the network facility, so that a reliable data transmission problem between an intelligent light distribution network intelligent management terminal and the network facility is solved, the system maintaining staff can quickly collect the operation state of the network facility, and technical support and guarantee is provided for maintaining, managing and diagnosing the system.

The invention discloses a link interface circuit based on a serial data transmission mode. The link interface circuit comprises an interface circuit at the link transmitting end of a processor kernel, an interface circuit at the link receiving end of the processor kernel, an 8-bit data wire and three control wires which are linked between link ports of the link transmitting end and the link receiving end, a link port associated clock generator for generating a link transmission associated clock, a link port direct memory access (DMA) control register for setting a control signal required by link DAM transmission, a link port DMA controller for generating a time sequence required by a link transmission protocol and accessing an address of an internal memory, a link port pingpang buffer register for storing data needed to be subjected to parallel-to-serial conversion transmission and data needed to be subjected to serial-to-parallel conversion receiving during link transmission, and a parallel-to-serial conversion circuit for outputting serial data of eight channels at the same time; and the link port adopts a transmission protocol that the transmitting end transmits parameters to the receiving end so as to realize link transmission of interfaces between two digital signal processors (DSP).

Disclosed is a method for sending downlink data in joint transmission. An anchor network element and a non-anchor network element participating in joint transmission adopt a data transmission protocol architecture in which a media access control (MAC) layer distributes a data packet; the MAC layer of the data transmission protocol architecture comprises an MAC-1 entity and an MAC-2 entity located in the anchor network element as well as an MAC-2 entity located in the non-anchor network element; in joint transmission of data, the MAC-1 entity located in the anchor network element distributes a downlink data packet to each MAC-2 entity, and the MAC-2 entity receiving the downlink data packet sends the received downlink data packet to a user equipment. Also disclosed are a method for receiving downlink data and methods for sending and receiving uplink data in joint transmission as well as a corresponding network element side and a corresponding user equipment. Through the solutions of the present invention, the problem of data transmission in a joint transmission mode is solved, reasonable data distribution of the network side is facilitated, and data transmission efficiency of the user equipment is improved.

The invention discloses a data sending and processing method, a data sending method, and a risk identifying method and device. The data processing method comprises that a client triggers a calculatingoperation aiming at a preset variable when acquiring business data, and the calculating operation includes carrying out calculation again on the basis of a cumulative result of the preset variable and obtained through an adjacent last calculating operation to obtain a new cumulative result of the preset variable. In this way, the business data acquired by the client is subjected to cumulative processing on the client, and therefore the data volume subsequently sent to a rear-end server is reduced, the problem that because the client sends a lot of business data, the processing duration of server risk identification is increased is effectively avoided, the data transmission problem in the prior art is effectively solved, and the memory cost of the client is reduced at the same time.

The invention discloses a downhole intelligent controlling type expansion packer. The downhole intelligent controlling type expansion packer comprises an upper joint and a lower joint; an intelligent controlling plate (15) is fixedly connected to the upper joint; an inner cavity pressure gauge (47), a sealing pressure gauge (54) and an in-pipe pressure gauge (55) which are connected with the intelligent controlling plate (15) are arranged on one side of a sealing main body (33); an electric switch is arranged in the sealing main body (33) and controls liquid inlet and liquid outlet of an inner cavity of a rubber barrel, steel pipe cables penetrate through a packer body, and locking and sealing mechanisms are arranged on the two extended ends of the steel pipe cables. According to the downhole intelligent controlling type expansion packer, the self power supply and data transmission problems are solved by utilizing the penetrating cables, a ground controlling system can control the packer to be set and unset and collect and upload data of the inner cavity, stratum and in-pipe pressure in time, the examining seal procedure of the packer is simplified, the accuracy of other downhole parameter admission is improved, fluid migration preventing pressure difference between layers during stopping injection is raised to over 15MPa, interlayer interference in an oil producing well is solved, and occurrence of downhole accidents is reduced.

The invention discloses a SG DMA data transmission method. The method comprises the steps that a first SG DMA data transmission link table and a second SG DMA data transmission link table are createdin an array mode, and a first set of buffer areas and a second set of buffer areas are created; copying the user space data into a first group of buffer areas through a CPU (Central Processing Unit),and writing the address of the linked list I into IO (Input/Output) equipment; When SG DMA data transmission is started, user space data is copied into the second group of buffer areas through the CPU; creating an interrupt processing program, and after the SG DMA transmission is completed, receiving a transmission completion interrupt instruction sent by the SG DMA by the CPU, and writing the address of the linked list II into IO equipment; and circulating in sequence until the user space data is completely written into the IO equipment memory position. The invention also discloses a data transmission device of the SG DMA. The method and the device solve the problem that the CPU and the DMA cannot participate in data transmission at the same time, and the DMA transmission efficiency of the data is improved.

The invention discloses a wireless communication system for monitoring the state of a hobbing cutter of a shield tunneling machine. The system comprises a terminal node, a main node, a conversion module and an upper computer. The invention further discloses a wireless communication method for monitoring the state of the hobbing cutter of the shield tunneling machine. The method comprises the following steps: receiving, collecting and processing a signal of a sensor, wherein the processed signal of the sensor is a digital signal, and wirelessly transmitting the digital signal to the main node;receiving, by the main node, the digital signal transmitted from the terminal node, and sending a control command and data transmission after the digital signal is processed; converting a RS485 bus data signal sent by the main node into a RS232 bus signal to perform data communication with the upper computer; and receiving, by the upper computer, data sent by the conversion module, and finally receiving and processing the data collected by the terminal node. By adoption of the wireless communication system and method, the wireless monitoring of the state of the hobbing cutter of the shield tunneling machine is achieved.

The embodiment of the invention provides a data processing method among multiple FPGA chips and a conversion device, and belongs to the technical field of FPGA chips. The data transmission problem inthe process of verifying an ASIC chip by multiple FPGA chips in the prior art is solved. The method is applied to the conversion device of one FPGA chip, and the conversion device is used for transmitting data between a data interface of the corresponding FPGA chip and a high-speed transceiver. The method includes the steps that a message to be sent is prepared, wherein received signal data of thespecific type is stored according to the storage rule corresponding to the specific type; responding to the sending request for the stored signal data, the stored signal data is read out according tothe fair round-robin arbitration mechanism and encapsulated in a message in a specified format, so that the message is sent by the high-speed transceiver conveniently. The embodiment of the inventionis applied to the data transmission process among the multiple FPGA chips.

The invention discloses a high-speed wireless data secure transmission system and method suitable for a distribution network system. The secure transmission system comprises a distribution network automation system, a data transceiving and forwarding module, a composite security bridging module, a 3G wireless communication module, an individual line APN and a plurality of FTUs. According to the security protection level of a power system network, the end-to-end data encryption technology and the individual line APN technology are selected to guarantee the security of the network environment and data. An SIM card used for a private network only uses the dedicated APN, and usage of other APNs is limited; in other words, the SIM card will not be connected with the Internet in the data transmission process; in addition, the individual line APN and the Internet are two network structures completely stripped, and the end-to-end data encryption technology is adopted between the FTUs and a server platform; in this way, possible leakage of information in the whole transmission process is avoided, the security of the network environment is guaranteed, and meanwhile the security of data transmission is guaranteed.

The invention provides a data transmission method of a spatial mouse and a method for controlling a mouse pointer. The spatial mouse comprises an inertial component which is suitable for collecting space coordinate original data. The data transmission method of the spatial mouse includes the steps of converting the collected space coordinate original data into a quaternion, conducting data compensation processing on the obtained quaternion after the conversion and sending the quaternion processed through data compensation to a receiving end, wherein the data compensation processing includes temperature excursion. The method for controlling the mouse pointer includes the steps that the spatial mouse sends the quaternion processed through data compensation to the receiving end through the data sending method, and the receiving end restores the received quaternion into a space coordinate of the spatial mouse or the variable quantity of the space coordinate and converts the space coordinate into the coordinate of the mouse pointer or converts the variable quantity of the space coordinate into the variable quantity of the coordinate of the mouse pointer so that the mouse pointer can be controlled. Due to the adoption of the technical scheme, the problems that data transmission and data processing between the spatial mouse and the receiving end are not synchronous can be solved, the data transmission quantity can be reduced and reliability of data transmission can be improved.