122results about How to "High communication rate" patented technology

The invention discloses an RIS-assisted unmanned aerial vehicle network-based communication and sensing integrated system and method. The system comprises a UAV, an MBS module, a user communication association decoupling module and an RIS module. The RIS intelligent reflecting surface and the unmanned aerial vehicle network are applied to the communication and sensing integrated system. In consideration of different service requirements in the system, the process is divided into a communication part and a sensing part. And a deep reinforcement learning algorithm is designed according to the requirements of the system to control the UAV flight path, base station beam forming, user association allocation and RIS phase shift in the system, so that the communication and sensing performance in the communication and sensing integrated system is optimal. According to the invention, while all functions of an original communication and inductance integrated system are reserved, RIS and unmanned aerial vehicle networks are introduced to assist the system, and an alternate iterative optimization method and a deep reinforcement learning algorithm are used to realize scheduling and decision-making of each resource. Compared with the prior art, additional channel gain is provided, and the distribution efficiency of communication sensing resources is improved.

The invention provides a'random access' satellite communication method based on a phased array agile beam, and the working mode of communication between a satellite and a terminal is divided into two scenes: scene 1, the terminal accesses the network and applies resources under a global signaling beam, the phased array agile beam is scheduled on the satellite to point to the terminal, and the terminal performs resource application under the phased array agile beam; service communication is completed; scene 2, the terminal accesses the network under the signaling enhanced beam, the satellite schedules the phased array agile beam to point to the terminal, and the terminal completes resource application and service communication under the phased array agile beam. According to the invention, a'random access' satellite communication method integrating'global signaling beams and phased array agile beams' is adopted, the advantages of the global signaling beams and the phased array agile beams are integrated, the method has the characteristics of wide-area coverage of beams, dynamic and configurable resources, high service communication EIRP and high G / T value, the terminal is supported to perform'network access authentication 'under the global signaling beams, and the user experience is improved. And service communication is carried out under the phased array agile wave beam, so that the communication rate and the user experience of the small terminal are improved.

The invention belongs to but not limited to the technical field of unmanned aerial vehicle communication, and discloses a cooperative detection method and system in an unmanned aerial vehicle communication and sensing integrated network, an unmanned aerial vehicle communication and sensing integrated system is constructed, and a base station and a detection unmanned aerial vehicle jointly execute a detection task; in a cooperative detection scene, establishing an unmanned aerial vehicle communication and sensing signal transmitting and receiving signal model; according to a maximum likelihood criterion, sensing data fusion is carried out on the detection sets of the base station and the unmanned aerial vehicle by adopting an EKF algorithm; mathematical modeling is carried out on the maximization problem of the reachable communication rate; the communication performance is enhanced by jointly optimizing the trajectory of the unmanned aerial vehicle and a beam forming algorithm, and the optimization problem of maximizing the communication rate is solved. According to the invention, the problems of high maneuverability, miniaturization and high possibility of being blocked by buildings of the black flight unmanned aerial vehicle can be solved, the sensing accuracy is effectively improved by using communication fusion sensing information, the cooperative sensing distance is increased, and the detection performance is enhanced.

The invention provides beam generation of a BD-RIS-assisted dual-function radar communication system, and particularly relates to the technical field of wireless communication, and the scheme comprises the following steps: constructing the BD-RIS-assisted dual-function radar communication system, and constructing a user weighting and rate optimization problem under communication and perception constraints; decomposing a user weighting and rate optimization problem into a base station transmitting precoding matrix optimization problem and a BD-RIS matrix optimization problem; alternately and iteratively executing the step of solving the base station transmitting precoding matrix optimization problem and the BD-RIS matrix optimization problem to obtain an optimal precoding matrix and an optimal BD-RIS matrix; and based on the optimal precoding matrix and the optimal BD-RIS matrix, converting an initial beam pointing to the BD-RIS and the target area into a target beam. According to the scheme, the joint optimization problem is solved, the sensing performance is guaranteed, the communication rate of the communication user is remarkably improved, and the user communication and target detection requirements are met at the same time.

The invention discloses a mode selection method and device for a D2D auxiliary power internet of things, and the method comprises the steps: building a graph neural network model, modeling the interference relation between D2D user pairs and cellular users in a power network and channels into a graph structure in a graph building module, coding the node features and edge features in the graph structure into feature vectors, and carrying out the coding of the feature vectors, in a graph convolution module, a graph convolution neural network is utilized to perform feature extraction on the feature vectors to obtain node hidden states including D2D user pair nodes and cellular user nodes, and in a classification decision module, the node hidden states are input into a classifier to calculate channel selection variables so as to determine a selected channel mode; and training the graph neural network model and then deploying and applying. According to the method, the pattern selection of D2D communication is optimized and the system throughput is maximized by using the graph neural network, so that the calculation complexity is further reduced, the calculation speed is improved, and the overall performance of the communication system can be greatly improved.

The invention discloses an MISO-oriented covert communication optimization method and system, and the method comprises the following steps: (1) constructing an MISO-oriented covert communication system model which comprises a transmitter with multiple antennas, a receiver with receiving and interference functions, and a listener; (2) constructing an optimization problem of the MISO-oriented covert communication; (3) converting the optimization problem into a convex optimization problem; and (4) carrying out iterative solution on the convex optimization problem until values of Pa, ua and ub when the value of the average covert rate R is maximum are obtained, and outputting the values as an optimal covert communication strategy. According to the invention, high concealment and high communication rate are realized at the same time.

The invention relates to the technical field of intelligent power grids, in particular to an inspection vehicle tracking and communication optimization method and system, and the method comprises the steps: constructing an RIS-ISAC-NOMA system framework oriented to an intelligent power grid application scene, converting a non-line-of-sight NLOS path into an equivalent virtual line-of-sight LOS path through a reconfigurable intelligent metasurface RIS in a non-line-of-sight NLOS scene, and carrying out the tracking and communication optimization of an inspection vehicle through the virtual line-of-sight LOS path. A propagation path of an ISAC signal is adjusted in real time, and a vehicle tracking and predicting method based on an EKF algorithm is designed, so that efficient vehicle real-time sensing and communication are realized; a multi-inspection vehicle power distribution optimization scheme is provided in combination with the NOMA technology, the communication rate and the resource utilization efficiency of the system are further improved, meanwhile, the simulation result also verifies the advantages of the proposed system in the aspects of communication performance and resource utilization, and the overall efficiency of the system can be remarkably improved while the pilot signal overhead is reduced.

The invention discloses a relay satellite position optimization method and system based on satellite covert communication, and the method comprises the following steps: (1) constructing a covert communication model in a satellite covert communication system, the covert communication model comprises a relay satellite, a transmitting base station which is located on the ground and transmits signals to the relay satellite, a receiving base station which is located on the ground and receives the signals through the relay satellite and transmits interference signals to interfere with the detection satellite, and a monitoring satellite which monitors the signals of the relay satellite and transmits interference signals to interfere with the receiving base station. (2) constructing a minimum total error detection probability calculation model of a monitoring satellite in the satellite covert communication system; (3) establishing a relay satellite position optimization model which takes the maximum covert communication rate as a target and takes the condition that the minimum total error detection probability of the monitoring satellite is greater than or equal to a preset threshold value as a constraint condition; and (4) solving the relay satellite position optimization model to obtain the optimal position of the relay satellite. According to the invention, the concealment and the communication rate can be improved.

The invention provides a PWM-based fire-fighting power two-bus power supply and communication method and device, and relates to the technical field of fire-fighting monitoring, and the method comprises the steps: taking a PWM voltage signal sent by a master station to a slave station as a downlink signal, taking a PWM current signal sent by the slave station to the master station as an uplink signal, representing the signal logic based on the combination of PWM frequency and PWM duty ratio, and carrying out the communication of the PWM frequency and the PWM duty ratio; the time length of a timer is defined as a unit pulse width count value according to the minimum pulse width of PWM, a comparison table containing a hexadecimal number, a binary number, a PWM frequency, a PWM duty ratio, a PWM low-level pulse width count value, a PWM high-level pulse width count value and a PWM period value is made, and coding and code sending are carried out based on the comparison table by using a single-byte table look-up method. And decoding and receiving codes based on the comparison table by using a single-byte offset compression look-up table method. Bidirectional PWM communication and PWM waveform coding are adopted, the overall loading capacity of the bus is improved, the bus distance is increased, the error problem can be solved through a verification mechanism based on digital communication of PWM coding, and the communication anti-interference capacity is improved.

The invention provides a communication and inductance integrated waveform generation, sensing and communication processing method and a communication system, and belongs to the technical field of radar detection. At least one communication sub-signal and at least one sensing sub-carrier are acquired; performing direct-current bias processing on each communication sub-signal, and coding each sensing sub-carrier based on the biased communication sub-signal to obtain a single-carrier flux-sensing integrated waveform; and performing frequency conversion processing on each single-carrier flux-inductance integrated waveform, and based on the single-carrier flux-inductance integrated waveforms subjected to frequency division multiplexing combination frequency conversion, overlapping the frequency spectrums of the adjacent single-carrier flux-inductance integrated waveforms to obtain a multi-subcarrier flux-inductance integrated waveform. Direct-current bias processing is carried out on communication sub-signals, unique phases of sensing sub-signals can be reserved, communication and sensing can share the same time-frequency resource and software and hardware equipment conveniently, high communication rate and high sensing precision are achieved, frequency domain resources can be effectively saved through frequency conversion processing and frequency spectrum overlapping of multiple sets of single-carrier-wave-flux-sensing integrated waveforms, and the communication efficiency is improved. And spectrum efficiency is improved.

A data processing and transmission system based on an MLVDS bus and an FPGA module relates to the technical field of digital control and comprises a power distribution unit, a main control unit and a plurality of functional units. The power output end of the power distribution unit is electrically connected with the power input ends of the main control unit and the plurality of functional units respectively; the main control unit is electrically connected with the plurality of functional units through an MLVDS bus and an IIC bus respectively; in the system, the main control unit and each functional unit have higher communication rate and stably transmitted signals.

The invention provides an intelligent power grid communication protocol optimal configuration method, system and device and a medium, and belongs to the technical field of intelligent power grid communication. The method comprises the following steps: collecting communication data of each node in the smart power grid; processing and analyzing the communication data by using a data analysis technology, extracting characteristics of communication requirements, and generating a data analysis result; setting basic parameters of a communication protocol according to a data analysis result; basic parameters of the communication protocol are dynamically adjusted based on an intelligent optimization algorithm, and optimal communication protocol configuration is determined; and the optimal communication protocol configuration is deployed to the corresponding node of the smart power grid, and the optimization effect is evaluated by monitoring the communication performance of each node in real time. Through data driving and intelligent optimization technologies, dynamic adjustment and optimization of communication protocol parameters are realized, and the communication efficiency and stability of an intelligent power grid are remarkably improved.

The invention discloses an Ethernet network hardware accelerator control method and device, equipment and a medium, and the method comprises the steps: responding to an operation system dormancy or wake-up operation, writing mark information into a file node corresponding to an Ethernet network hardware accelerator through a preset process in a user mode, the mark information comprising a first preset value and a second preset value, the first preset value represents dormancy of the operating system, and the second preset value represents awakening of the operating system; and opening or closing the Ethernet network hardware accelerator based on the mark information through a network hardware accelerator drive in a kernel mode. Therefore, when the operating system is dormant or awakened, the preset process in the user mode and the network hardware accelerator in the kernel mode drive the file node based on the Ethernet network hardware accelerator to interact, so that the Ethernet network hardware accelerator is opened or closed, the reliability of the Ethernet network hardware accelerator can be guaranteed, and the reliability of the Ethernet network hardware accelerator is improved. Therefore, the communication rate of the Ethernet is improved, the overhead of a CPU (Central Processing Unit) is reduced, and the user experience is improved.

The invention discloses a device-to-device covert communication system jointly assisted by an unmanned aerial vehicle (UAV) and an intelligent reflector (UIRS), and the system comprises the steps: building a D2D covert communication model jointly assisted by the UAV and the UIRS, including communication links between entities, and calculating an average minimum error detection probability and a maximum communication rate; the sender sends the hidden signals to the UIRS, the UIRS forwards the hidden signals to the receiver, and the UIRS changes the angles of the corresponding incident hidden signals and the angles of the corresponding reflected hidden signals through component elements; a frequency spectrum sharing cellular user sends a cellular signal to a base station, meanwhile, the base station sends an interference signal, an uncertain factor is introduced at a Willie receiving end of an eavesdropper, and the concealment of a UIRS combined auxiliary D2D communication link is realized; the eavesdropper Willie monitors whether the UIRS combined auxiliary D2D communication link transmits the hidden signal or not; the concealment is measured through the average minimum error detection probability; the maximum communication rate of the UIRS combined auxiliary D2D communication link is obtained under multiple constraints such as the average minimum error detection probability, the cellular communication link outage probability, the sending power and the sending power of interference signals, and the communication rate of the system is effectively improved under the combined assistance of the unmanned aerial vehicle and the intelligent reflector UIRS.

The utility model relates to the field of battery management systems, in particular to a daisy chain communication-based simulation device, which comprises an FPGA + ARM (Field Programmable Gate Array + Advanced RISC Machines) controller, a simulation branch and a BMS (Battery Management System) main controller, the analog branch comprises a differential circuit and a control circuit; the differential circuit comprises a signal buffer circuit, an ESD (Electro-Static Discharge) protection circuit, an LTC6820 circuit and an isolation transformer which are connected in sequence; a control signal output by the FPGA + RAM controller passes through the signal buffer circuit, the ESD protection circuit and the LTC6820 circuit and then is converted into a source current driving differential signal and a suction current driving differential signal which are matched with the isolation transformer. The isolation transformer sends the data to the BMS main controller; the control circuit comprises an SPI communication working mode switching circuit; the SPI communication working mode switching circuit is respectively connected with the FPGA + RAM controller and the LTC6820 circuit; the FPGA + RAM controller can select one of four communication working modes and communication clock rates of the LTC6820 through the SPI communication working mode switching circuit, and through the technical scheme, the FPGA + RAM controller has the advantages that the cost is reduced, the anti-interference capability is enhanced, and the communication rate is improved.

The invention discloses a satellite cognitive radio low-interference communication method based on multi-objective optimization, and relates to the technical field of wireless communication, and the method comprises the steps: 1, collecting the coordinate position of a satellite, the coordinate position of a primary user, the coordinate position of a secondary user, and the number and initial positions of unmanned aerial vehicles used for executing beam forming; 2, establishing a target function; 3, solving an optimal solution for the target function according to an improved multi-target dragonfly optimization algorithm, and obtaining an optimal satellite transmission power, an optimal unmanned aerial vehicle antenna excitation current weight, an optimal position of the unmanned aerial vehicle and a secondary user sequence number; and 4, all the unmanned aerial vehicles fly to the optimal positions and then establish communication connection with the satellite, the satellite sends signals to the unmanned aerial vehicles according to the optimal transmission power and normally communicates with the primary user, and the antenna excitation current weight of the unmanned aerial vehicles is set to be the optimal weight and then the received satellite signals are forwarded to the secondary user. The method has the characteristic of improving the communication efficiency.

The invention discloses a communication method, an SPI host, an SPI slave and an SPI communication system. The communication method is applied to an SPI host, the SPI host is connected with an SPI slave through a communication interface, and the communication method comprises the steps that data frames in a preset number of first registers of the SPI slave are sequentially read, and first check codes calculated by the SPI slave based on the data frames in the preset number of first registers are read; calculating a second check code based on the data frames in the preset number of first registers; and judging whether the data frame read by the SPI host is correct or not based on the first check code and the second check code. Through the above mode, the communication method does not need to frequently calculate the check code, so that the calculation time of the check code can be reduced, and the communication rate and efficiency are improved.

The invention discloses a channel compensation method and device, electronic equipment and a storage medium, and relates to the technical field of signal processing. The method comprises the following steps: acquiring a receiving end pilot signal and a transmitting end pilot signal; performing signal estimation on the receiving end pilot signal and the transmitting end pilot signal by adopting an initial channel estimation algorithm to obtain an initial channel compensation matrix; based on a pre-trained channel compensation matrix updating model, correcting the initial channel compensation matrix to obtain a target channel compensation matrix; and adopting the target signal compensation matrix to perform channel compensation on the receiving end pilot signal to obtain an original pilot signal. According to the technical scheme of the embodiment of the invention, the deployment cost of a physical layer can be reduced, the expandability of signal estimation is improved, the calculation overhead is reduced, the signal compensation precision is improved, the bit error rate of a receiving end is remarkably reduced, the communication rate is improved, and the stability requirements of a current communication system on high rate, low time delay and high reliability can be met.

The application provides a kind of intelligent metasurface assisted near-field time division integrated sensing method and system, it is related to wireless communication field.The application designs integrated sensing system by introducing RIS and single antenna receiver, avoids complex full-duplex base station and multi-antenna receiver, significantly reduces hardware complexity and implementation cost under the premise of ensuring high-quality communication and sensing performance;The adjustable frame structure designed separates the communication subframe and the sensing subframe completely, decouples the communication beam optimization and the sensing signal design, respectively realizes the communication and sensing functions in a purer signal environment;In the communication subframe, the communication and rate maximization are realized, and in the sensing subframe, the sensing capability is enhanced through the transmission beam pattern matching, which significantly improves the overall communication rate and sensing accuracy of the system;Finally, a virtual multi-dimensional receiving signal of multiple passive targets in the near field of RIS is constructed through repetition coding design, and then the 2D-MUSIC algorithm is used to estimate the target angle and distance parameters.

The invention provides a cable release hook system which comprises a control processing device, an information exchange device, a remote release device, a cable release device, a central control processing device, a DCS processing device, a serial port service device, a terminal processing device, a data acquisition device, a display terminal device and a processing terminal device. The control processing device is connected with the information exchange device, and the information exchange device is connected with the remote release device, the cable hook release device, the central control processing device, the DCS processing device, the serial port service device and the terminal processing device. The serial port service equipment is respectively connected with the data acquisition equipment, the display terminal equipment and the processing terminal equipment; the remote releasing device and the control processing device are both used for controlling the cable hook to be separated from the device.

The invention relates to the technical field of network communication cabinets, in particular to a network communication cabinet and an internal anti-shielding structure thereof.The network communication cabinet comprises a network communication cabinet body, a cabinet door body is installed on the right side surface of the network communication cabinet body, a through groove is formed in the right side of the cabinet door body, and a supporting plate is installed on the inner side wall of the network communication cabinet body; a communication unit is arranged on the surface of the supporting plate, a first shielding cover and a second shielding cover are sequentially installed on the surface of the supporting plate from front to back, and the first shielding cover and the second shielding cover are the same in structure. According to the invention, heat emitted by the communication unit is rapidly transmitted to the outside without blowing, the overall transmission effect is good, and the position of the communication unit is fixed through the clamping blocks in the heat dissipation process of the communication unit. And the first shielding case and the second shielding case are closer to the communication unit, so that the anti-shielding function of the communication unit is enhanced.

The invention provides a space quantum communication channel compensation method based on positive semidefinite programming. The method comprises the steps that a sender carries out initial coding on modulated photons; the receiver carries out initial decoding on the received photons; the receiver detects the photons to obtain a Kraus operator describing a noise channel; based on the noise channel Kraus operator, the initial coding operator and the initial decoding operator, the sender performs iterative optimization on the coding operator to obtain the optimal solution of the coding operator, so that the composite channel is optimal; based on the optimal solution of the channel Kraus operator and the optimal solution of the decoding operator, the receiver performs iterative optimization on the decoding operator to obtain the optimal solution of the decoding operator, so that the composite channel is optimal; and after the optimal solution of the decoding operator is obtained, the optimal solution is returned to a sender, iteration is repeated until the composite channel is optimal, and the photon state fidelity is calculated. According to the method, the channel is compensated by using the positive semi-definite programming, the channel is not required, and noise channels which do not meet the requirement of determining an error correction scheme can be processed.

The present invention discloses a method for reinforcing base station signals in a mobile communication burst gathering area, which includes the following steps: extracting the location information of each mobile terminal in a reinforcement area; clustering the mobile terminals in the reinforcement range to obtain at least one sub-reinforcement area according to the location information of the mobile terminals; obtaining at least one reinforcement point according to each sub-reinforcement area; setting a flying mobile base station at each reinforcement point to achieve base station signal reinforcement in the reinforcement area. The present invention can improve the communication rate of mobile terminals in the reinforcement area. The present invention discloses a method for reinforcing base station signals in a mobile communication burst gathering area, a signal reinforcement device and a computer-readable storage medium.

The embodiment of the application provides a kind of data transmission system, it is related to wireless radio frequency communication technical field.System includes: gateway device, multiple imaging devices with gateway device wireless communication connection and multiple sensors with each imaging device wireless communication connection;Each imaging device and wireless communication connection sensor communicate by preset communication parameter;First device when determining that there is to-be-sent data, parameter switching request is sent to the second device of system, and to-be-sent data is sent to the second device by target communication parameter carried in parameter switching request;Target radio frequency is different from preset radio frequency, and target communication rate is higher than preset communication rate;Second device receives parameter switching request;Switch to target communication parameter by itself communication parameter, and receive to-be-sent data by target communication parameter.It can be seen above, application the scheme provided in embodiment of the application can improve the effect of data transmission in data transmission system.

The present invention provides a PCI-E interface password card design method and a PCI-E interface password card, wherein the PCI-E interface password card comprises an encryption control chip, a security chip, a physical noise source chip, and an intelligent password key, wherein the encryption control chip is electrically connected to the security chip, the physical noise source chip, and the intelligent password key respectively, and the method comprises: obtaining a random number through the physical noise source chip; performing high-performance cryptographic operations, device management, key data management, key storage, and access control through the encryption control chip based on the random number obtained by the physical noise source chip; performing encrypted storage and authority management of key data through the security chip; and realizing operator and administrator identity authentication and key data backup through the intelligent password key. The present invention can further improve the security of the key, improve the communication rate, and meet the high-speed encryption requirements of devices such as cloud cryptographic machines.

The present invention relates to the field of optical communication technology, and discloses a coherent optical transmission method and a coherent optical transmission system, the method comprising: optically splitting an adjustable optical signal of a first preset wavelength to obtain a first optical signal and a second optical signal; optically combining the first optical signal and the second optical signal to obtain a combined optical signal, the bandwidth of the combined optical signal being the sum of the bandwidths of the first optical signal and the second optical signal; power amplifying the combined optical signal to obtain a first radio frequency optical signal, and outputting the first radio frequency optical signal through an optical fiber antenna. Therefore, the present invention can firstly optically split the adjustable optical signal to obtain a first optical signal and a second optical signal, and then optically combine the modulated first optical signal and the second optical signal to obtain a combined optical signal having a bandwidth that is the sum of the bandwidths of the first optical signal and the second optical signal, thereby increasing the bandwidth of the single optical signal outputted in the end, and meeting the large bandwidth transmission requirements of optical communication.

The application discloses a bidirectional multi-level conversion circuit, comprising: a first resistor, a first end of which is connected with a communication link signal, and a second end of which is connected with a power supply voltage; a second resistor, a first end of which is connected with the communication link signal, and a second end of which is connected with the power supply voltage through a second switch device; a fifth resistor, a first end of which is connected with a control end of a third switch device, and a second end of which is connected between a seventh resistor and a first switch device; a sixth resistor, a first end of which is connected with the control end of the third switch device, and a second end of which is connected with the power supply voltage; the seventh resistor is connected with the ground through the first switch device; a control end of the first switch device is connected with the communication link signal through a third resistor; a control end of the second switch device is connected with the power supply voltage through the third switch device, and the control end of the second switch device is connected with the first switch device through the seventh resistor. The application has the advantages of better signal quality, lower low level, slower rising edge, higher communication rate, and low cost.

The invention provides a packaging structure and a forming method thereof, and the packaging structure is characterized in that two adjacent first chips arranged in a row direction are interconnected through a first wire, and two adjacent first chips arranged in a column direction are interconnected through a second wire. The length of the first wires is the same as that of the second wires, so that two adjacent first chips in the plurality of first chips arranged in rows and columns can be interconnected in the row direction and can also be interconnected in the column direction, connection channels are increased, the bandwidth is improved, and the reliability of the chip is improved. The lengths of the first wires used for interconnection in the row direction and the second wires used for interconnection in the column direction are the same, so that the rates in the row direction and the column direction can be kept consistent or slightly different when various same or different communication or data transmission is carried out between two adjacent first chips in the plurality of first chips arranged in the row and column directions; therefore, the performance of the packaging structure is improved.

The invention discloses a dual-master-redundancy logic voting processing system and method, and relates to the field of nuclear industry control system function safety. Acquiring information data through the acquisition input unit; the information data comprises signal data of the channel A input module and signal data of the channel B input module; the signal data comprises switching value data and analog quantity data; the switching value data and the analog quantity data correspondingly comprise acquisition data, mass bits and state information; the logical operation processing unit performs logical processing according to the information data to obtain output control data; the logic processing comprises logic operation, logic voting and data comparison; and the output driving unit outputs data according to the output control data. According to the invention, the communication rate can be improved on the basis of security integrity and availability.

The present invention relates to a junction box monitoring system based on an optical fiber ring network. The system includes a plurality of junction box monitors installed in each junction box and a box transformer communication management machine installed in a box transformer, the junction box monitor and the box transformer communication management machine each include a first optical fiber module and a second optical fiber module, the first optical fiber module and the second optical fiber module connect each junction box monitor and the box transformer communication management machine end to end through optical fiber, so that each junction box monitor has two communication loops connected to the box transformer communication management machine. The present invention uses optical fiber for communication, which can solve the communication problem between the junction box monitor and the box transformer communication management machine in the photovoltaic production area, and can also effectively avoid electromagnetic interference from other power equipment and prevent lightning strikes from damaging electronic devices. The configuration of the ring network can also be used as communication channel redundancy to improve reliability.