33results about How to "High data transmission stability" patented technology

The embodiment of the invention discloses a false alarm information detection method and user equipment, which belongs to the technical field of communications. The method comprises the following steps: obtaining 1A-format physical downlink control channel commands; and judging whether the setup of bit information in the 1A-format physical downlink control channel commands meets preset conditionsor not, if not, determining the 1A-format physical downlink control channel commands as false alarm information, or judging whether lead code serial numbers indicated by the 1 A-format physical downlink control channel commands belong to the preset lead code serial number set or not, if the lead code serial number is not zero and does not belong to the preset lead code serial number set, determining the 1A-format physical downlink control channel commands as false alarm information. With the technical scheme, the false alarm information can be identified, and the abnormal flow triggered by the false alarm information can be reduced.

Embodiments of the present application disclose a method and a device for adjusting calibration parameters and a computer storage medium. The method includes the steps of obtaining a current transmission rate and a currently used calibration parameter; obtaining a first calibration parameter corresponding to the current transmission rate on the basis of a corresponding relationship between a pre-stored transmission rate and a pre-stored calibration parameter; adjusting the currently used calibration parameter into the first calibration parameter. In this way, dynamic adjustment of the calibration parameter can be realized accord to different transmission rates, the PA performance of a mobile terminal can be optimized in different transmission rate modes, and the power consumption and the heat dissipation of the mobile terminal are optimized. Meanwhile, the data transmission stability of the mobile terminal is improved, and the use performance of the mobile terminal is also improved.

The invention discloses a near-field communication modulation depth adaptive method and device and relates to the field of communication. The device comprises a master control chip, a non-contact chip and a first storage zone. The master control chip can control the non-contact chip to output the modulation-free amplitude according to a value of a first register; a numerical value is acquired from a data table or through calculation and written in a second register according to the data table stored in the first storage zone in advance and the measured value of the modulation-free amplitude, the non-contact chip is controlled to output the modulated amplitude according to the value of the second register, and the modulation depth is adaptively adjusted through control over the modulated amplitude. By the adoption of the technical scheme, the modulation depth can be kept within a reasonable range and the stability of data transmission in non-contact communication is improved.

The invention relates to an intelligent electrical appliance management system and method capable of coding automatically by using a single-chip microcomputer, and relates to a low-cost intelligent management system and method capable of coding automatically by using a single-chip microcomputer for household electrical appliances. The intelligent electrical appliance management system capable of coding automatically by using a single-chip microcomputer comprises at least one network communicator and two intelligent equipment switching units, and is characterized in that at least one or more than one communication line is arranged between the network communicator and the intelligent equipment switching units for switching information data, or a wireless transmitting and receiving system is arranged between the network communicator and the intelligent equipment switching units for switching information data, or a wired communication line and a wireless transmitting and receiving system are arranged between the network communicator and the intelligent equipment switching units for switching information data simultaneously; a communication mode of the network communicator is either a wired communication interface or a network communication interface; each intelligent equipment switching unit is equipped with a specific code, that is, an ID number. The intelligent electrical appliance management system is low in cost, low in power consumption, long in service life, convenient to control, powerful in control function, high in reliability, high in safety performance, convenient to install and easy to arrange wires.

Disclosed herein are a method for balancing the quality of a wireless communication channel wherein the quality of the wireless communication channel can be more accurately estimated and adjusted on the basis of the combination of observation results of the number of data frames failed to be transmitted in the past and a received signal strength (RSS), and reliability of data transmission over the channel can thus be increased, and a wireless communication apparatus using the same. The method includes collecting information about whether data frames have been successfully transmitted and information about RSSs of the wireless communication channel, acquiring the number of data frames failed to be transmitted and an average RSS in a predetermined observation period using the collected information, comparing the acquired transmission-failed data frame number with a predetermined threshold value and the acquired average RSS with a predetermined reference RSS, respectively, and estimating the quality of the wireless communication channel and quality degradation factors in detail by performing an AND operation with respect to the comparison results. Therefore, it is possible to stably adjust the channel quality.

The invention relates to the electric network pollution data collection technology, in particular to an electric network pollution data bus type analysis system based on a PQDIF standard. The electric network pollution data bus type analysis system based on the PQDIF standard solves the problems that an existing electric network pollution data analysis system is poor in data analysis real-time performance, poor in data transmission stability, low in data transmission speed and poor in data sharing performance. The electric network pollution data bus type analysis system based on the PQDIF standard comprises power quality monitors, carbon footprint power monitors, a monitoring master station, a GIS server, a Web server, an emulation server, an evaluation server, wireless APs, wireless gateways, coaxial cables, an infrared channel and RS 485 buses, wherein all the power quality monitors, the first wireless AP and the first RS 485 bus jointly form a bus type topological structure, and all the carbon footprint power monitors, the second wireless AP and the second RS 485 bus jointly form a bus type topological structure. The electric network pollution data bus type analysis system based on the PQDIF standard is suitable for analysis on electric network pollution data.

The invention discloses a device access processing method and apparatus, and an electronic device. For user equipment access in an NSA mode, if it is judged that failure information when the user equipment accesses a certain NR cell at a certain geographic position is the same as a certain piece of failure information recorded in a preset access blacklist, access attempt is not carried out on thecurrent NR cell to be accessed any more, and access attempt is carried out on other NR cells instead; the success rate of accessing the SCG by the equipment can be improved.

The intelligent park management system comprises a cloud server, the input end of the cloud server is electrically connected with a safety monitoring terminal, the output end of the cloud server is electrically connected with an information identification module, and the output end of the information identification module is electrically connected with a convolutional neural network. Facial features and identity card information of passing persons in the park are collected through the safety monitoring terminal, the convolutional neural network and the noise reduction auto-encoder can perform dimension reduction processing on facial images, and the facial features of the images after noise reduction generate a facial model through the facial feature production module. The comparison unit extracts and compares employee face models stored in the storage module recently, so that the effect of identifying and authenticating the park personnel information is achieved, and the problems that an existing intelligent park management mode is single, and the effect of authenticating and mastering the personal information of passing personnel is not achieved are solved; and non-park personnel cannot be judged and confirmed.

The invention relates to a technology for collecting electric network pollution data, and in particular relates to a PQDIF standard-based net collecting system for electric network pollution data, for solving the problems of poor real-time property, poor data transmission stability, low data transmission speed, and poor data sharing property for data collecting in the existing collecting system for the electric network pollution data. The net collecting system comprises power quality monitors, carbon footprint power monitors, a monitoring master station, a database server, client-sides, exchange boards, a gateway and coaxial lines, wherein each power quality monitor is connected with the first exchange board through the coaxial lines to form a net topological structure, each carbon footprint power monitor is connected with the second exchange board through the coaxial lines to form a net topological structure, and each client-side is connected with the fourth exchange board through the coaxial lines to form a net topological structure. The net collecting system is used for collecting the electric network pollution data.

The invention relates to the technical field of big data, and further discloses big data server equipment for improving the data transmission stability. The big data server equipment includes a base,telescopic columns are arranged at the left part and the right part of the upper part of the base, and a case is arranged above the telescopic columns; the left side of the case is fixedly connected with a driving box; a bearing is arranged on the lower portion of an inner cavity of the driving box, a solenoid is fixedly inserted into the middle of the bearing, a first spring is arranged on the upper wall of the inner cavity of the driving box, an iron core is fixedly connected to the lower end of the first spring, a thin plate is arranged at the lower end of the iron core, and transverse rodsare fixedly inserted into the upper portion and the lower portion of the inner cavity of the case. According to the big data server equipment capable of improving the data transmission stability, a lantern ring is arranged to attract a mouse to tread, then the lantern ring rotates to enable a solenoid to wind a coil, the magnetic field intensity is increased, an iron core descends to repel the mouse, and a dry powder box is arranged in a matched mode, so that the effects of protecting a case circuit and preventing high-temperature damage of a hard disk are achieved.

The invention discloses an FPGA configuration file downloading device, which comprises a device body. The device body comprises a parallel port input end, a power converter, a parallel port downloading interface module and a system controller. The parallel port input end is in bidirectional connection with the parallel port data end of the computer. The system controller is in bidirectional connection with the parallel port input end and the parallel port downloading interface module. The output end of the parallel port downloading interface module is in bidirectional connection with the FPGA.The parallel port downloading interface module is connected with the input end of the power supply converter through a VDD, and the output end of the power converter is respectively connected with the crystal oscillator and the system controller. According to the invention, configuration file downloading and configuration file readback in a passive parallel mode are carried out on the FPGA through the parallel port data end of the computer. The device has the advantages of being simple in hardware circuit design, low in required component purchasing cost, friendly in man-machine interface, easy and convenient to use, reliable and stable in work and the like, and can be widely applied and popularized.

Disclosed is a remote communication system and method. A remote communication system includes a digital protection relay and a remote monitoring system. The digital protection relay stores and maintains fault indices for identifying a predetermined number of faults that have occurred, fault time tags corresponding to the fault indices and fault data corresponding to the fault indices. The remote monitoring system sets a fault index, a fault time tag, a fault data block size to be communicated at a time and a fault data block index for specifying a fault data block to be communicated, and requests the digital protection relay of a fault data block.

An optical connector is disclosed. The optical connector has a casing, a circuit structure, a lens structure and an optical transceiver element. The circuit structure is disposed inside the casing and configured for transmitting an electrical signal. The lens structure is directly fixed on the casing and coupled to a fiber adapter. The optical transceiver element is disposed on the circuit structure, and an optical signal is transmitted between the optical transceiver element and the fiber adapter through the lens structure.

The invention relates to the electric network pollution data analysis technology, in particular to an electric network pollution data mesh analysis system based on a PQDIF standard. The electric network pollution data mesh analysis system based on the PQDIF standard solves the problems that an existing electric network pollution data analysis system is poor in data analysis real-time performance, poor in data transmission stability, low in data transmission speed and poor in data sharing performance. The electric network pollution data mesh analysis system based on the PQDIF standard comprises power quality monitors, carbon footprint power monitors, a monitoring master station, a GIS server, a Web server, an emulation server, an evaluation server, wireless APs, wireless gateways, power lines and a microwave channel, wherein each power quality monitor is in paired mutual connection with the first wireless AP through power lines to form a mesh topological structure, and each carbon footprint power monitor is in paired mutual connection with the second wireless AP through power lines to form a mesh topological structure. The electric network pollution data mesh analysis system based on the PQDIF standard is suitable for analysis on electric network pollution data.

The invention relates to the electric network pollution data analysis technology, in particular to an electric network pollution data tree-shaped analysis system based on a PQDIF standard. The electric network pollution data tree-shaped analysis system based on the PQDIF standard solves the problems that an existing electric network pollution data analysis system is poor in data analysis real-time performance, poor in data transmission stability, low in data transmission speed and poor in data sharing performance. The electric network pollution data tree-shaped analysis system based on the PQDIF standard comprises power quality monitors, carbon footprint power monitors, a monitoring master station, a GIS server, a Web server, an emulation server, an evaluation server, wireless APs, wireless gateways, optical fibers and an radio wave channel, wherein all the power quality monitors jointly form branches of a tree-shaped topological structure, and the first wireless AP and the second wireless AP jointly form a trunk of the tree-shaped topological structure; all the carbon footprint power monitors jointly form branches of a tree-shaped topological structure, and the third wireless AP and the fourth wireless AP jointly form a trunk of the tree-shaped topological structure. The electric network pollution data tree-shaped analysis system based on the PQDIF standard is suitable for analysis on electric network pollution data.

The invention relates to a grid pollution data acquisition technology, in particular to a grid pollution data bus type acquisition system based on the PQDIF standard. The invention solves the problems of poor real-time data collection, poor data transmission stability, slow data transmission speed and poor data sharing in the existing grid pollution data collection system. Power grid pollution data bus type acquisition system based on PQDIF standard, including power quality monitor, carbon footprint power monitor, monitoring master station, database server, client, switch, gateway, twisted pair, CAN bus; among them, each power quality The monitor, the first switch, and the first CAN bus together form a bus topology; each carbon footprint power monitor, the second switch, and the second CAN bus together form a bus topology; each client, the fourth A switch and the third CAN bus together form a bus topology. The invention is applicable to the collection of grid pollution data.

The invention discloses a notch antenna with a slot structure and a gateway device with the antenna, which includes a dielectric substrate, an antenna radiation unit is arranged on the upper surface of the dielectric substrate, and the antenna radiation unit includes a radiation patch and is connected with the radiation patch. The microstrip feeder connected to the open end of the bottom of the patch, the surface of the radiation patch is provided with two "L" shaped slits; the lower surface of the dielectric substrate is used for grounding, and the lower surface of the dielectric substrate is provided with special-shaped openings Slot, the irregular slot includes a plurality of rectangular slots, one or both ends of the plurality of rectangular slots are connected to each other according to rules, the relative position of the irregular slot and the antenna radiation unit on the upper surface of the dielectric substrate overlap at least partially. Based on this solution, the filtering performance of the antenna can be improved, the filtering pressure of the gateway device can be reduced, the cost can be reduced, and the stability of data transmission can be improved.

The invention relates to a power grid pollution data collection technology, in particular to a grid pollution data collection system based on the PQDIF standard. The invention solves the problems of poor real-time data collection, poor data transmission stability, slow data transmission speed and poor data sharing in the existing grid pollution data collection system. Grid pollution data network acquisition system based on PQDIF standard, including power quality monitor, carbon footprint power monitor, monitoring master station, database server, client, switch, gateway, coaxial cable; among them, each power quality monitor and The first switch is connected to each other in pairs through coaxial cables to form a mesh topology; each carbon footprint power monitor is connected to the second switch in pairs to form a mesh topology; each client is connected to the fourth Switches are connected to each other in pairs by coaxial cables to form a mesh topology. The invention is applicable to the collection of grid pollution data.

The invention discloses an application of an ERPS protocol in an MPLS network, and relates to the technical field of Ethernet communication. According to the application of the ERPS protocol in the MPLS network, an AC main interface is added to an ERPS main ring, meanwhile, a VLAN of a sub-interface of the AC main interface serves as a protocol message channel to control an ERPS state machine, andwhether the AC sub-interface in the ERPS ring is blocked or unblocked is calculated through the ERPS ring protocol state machine. Problems of excessive number of the ERPS rings and system resource waste caused by distributing the VLAN with blocked data streams to different sub-interfaces in the ERPS ring with one sub-interface added in at each time are overcome, application of the ERPS protocol in the MPLS network is realized, and higher data transmission stability is achieved.

The invention discloses a multi-card single-standby switching method and an internet of things equipment. The internet of things equipment comprises a plurality of card slots, a management module, a communication module, a multiplexer switch, a processing module and a hot plug module, the management module is arranged in the processing module, the management module generates a selection signal, and the multiplexer switch receives the selection signal, selects a target card slot from the plurality of card slots according to the selection signal, and sends the communication signal to the targetcard slot. The hot plug module is used for performing power-off or power-on operation on the target card slot under the condition of receiving a card pull-out or card plug-in signal. The multi-card single-standby switching function of the Internet of Things equipment can be realized, automatic card replacement can be realized without startup and shutdown, the maintenance efficiency is improved, the labor cost is reduced, and the method can be widely applied to the technical field of the Internet of Things equipment.

The invention relates to a power grid pollution data analysis technology, in particular to a power grid pollution data network analysis system based on the PQDIF standard. The invention solves the problems of poor real-time data analysis, poor data transmission stability, slow data transmission speed and poor data sharing in the existing grid pollution data analysis system. Power grid pollution data network analysis system based on PQDIF standard, including power quality monitor, carbon footprint power monitor, monitoring master station, GIS server, Web server, simulation server, evaluation server, wireless AP, wireless gateway, power line, microwave channel ; Among them, each power quality monitor and the first wireless AP are connected to each other through the power line to form a mesh topology; each carbon footprint power monitor and the second wireless AP are connected to each other through the power line to form a mesh topology. The invention is applicable to the analysis of grid pollution data.

A data transmission method, apparatus, and device, and a computer storage medium are provided. The method includes: obtaining an application packet of a target application; transmitting the application packet to a first routing device by using a network data channel, and transmitting, by using the first routing device, the application packet to a proxy server; meanwhile, transmitting the same application packet to a second routing device by using a short-range wireless data channel different from the network data channel, and transmitting, by using the second routing device, the application packet to the proxy server. The proxy server performs, a deduplication mechanism on the application packet and transmit the application packet to an application server corresponding to the target application.

The invention relates to a power grid pollution data collection technology, in particular to a power grid pollution data ring collection system based on the PQDIF standard. The invention solves the problems of poor real-time data collection, poor data transmission stability, slow data transmission speed and poor data sharing in the existing grid pollution data collection system. The grid pollution data ring collection system based on the PQDIF standard includes a power quality monitor, a carbon footprint power monitor, a monitoring master station, a database server, a client, a switch, a gateway, and an optical fiber; among them, each power quality monitor and the first Each switch is connected end-to-end through optical fibers to form a ring topology; each carbon footprint power monitor is connected to the second switch through an end-to-end optical fiber to form a ring topology; each client is connected to the fourth switch through an end-to-end optical fiber to form a ring topology . The invention is applicable to the collection of grid pollution data.

The invention discloses an application of an ERPS protocol on an MPLS network, and relates to the technical field of Ethernet communication. The invention adds an AC main interface to an ERPS main ring, and at the same time uses a VLAN of a sub-interface under the AC main interface as a protocol message The channel controls the ERPS state machine, calculates whether the AC sub-interface in the ERPS ring is blocked / unblocked through the ERPS protocol state machine, and overcomes the VLAN of the data flow to be blocked in the ERPS ring where a sub-interface is added each time Distributed on different sub-interfaces, resulting in too many ERPS rings and wasting system resources, the ERPS protocol is applied to the MPLS network, and the data transmission stability is higher.

The invention relates to a power grid pollution data analysis technology, in particular to a power grid pollution data bus type analysis system based on the PQDIF standard. The invention solves the problems of poor real-time data analysis, poor data transmission stability, slow data transmission speed and poor data sharing in the existing grid pollution data analysis system. Power grid pollution data bus type analysis system based on PQDIF standard, including power quality monitor, carbon footprint power monitor, monitoring master station, GIS server, Web server, simulation server, evaluation server, wireless AP, wireless gateway, coaxial cable, Infrared channel, RS485 bus; Among them, each power quality monitor, the first wireless AP, and the first RS485 bus together form a bus topology; each carbon footprint power monitor, the second wireless AP, and the second RS485 bus Together they form a bus topology. The invention is applicable to the analysis of grid pollution data.

The invention discloses a balance walking stick. The balance walking stick comprises a supporting rod and a handle fixed to the top of the supporting rod, wherein a touch receiver is fixedly connected to a surface of the handle, a rotatable universal component is arranged at the bottom of the supporting rod, a pressure receptor is arranged at the bottom of the universal component, and a gyroscope and an acceleration sensor are arranged in the universal component; a power source is arranged in the supporting rod, and an output end of the power source is electrically connected with the touch receiver and the pressure receptor. According to the walking stick, the gyroscope is additionally arranged in the supporting rod, the supporting rod is improved through the pressure receptor and the touch receiver, the supporting effect and the intelligent degree of the walking stick can be improved, meanwhile, the acceleration sensor is installed in the walking stick, scientific mechanical matching is formed, and the walking stick is more suitable for being used by modern old people; the walking stick solves problems that many walking sticks are not anti-slip, old people easily fall down, and the old people are difficult to stand up by own strength after falling down and are inconvenient to use.