111results about "Correct operation testing" patented technology

The invention discloses a high-load data steganography method, system and device and a medium, and the method comprises the steps: obtaining secret data of a power system, and converting the secret data into a novenary sequence; a quantum key distribution system is utilized to generate a shared key, the novenary sequence is encrypted through an encryption key, encrypted information is obtained, and the shared key comprises the encryption key and a mapping key; determining a corresponding first unit matrix from a preset mapping library based on the mapping key, and performing non-overlapping tiling on the first unit matrix in a two-dimensional plane to obtain a second-order reference matrix; and scanning a preset carrier image into a non-overlapping first pixel pair sequence according to a Hilbert curve, and embedding the encrypted information into the first pixel pair sequence by using the second-order reference matrix to obtain a steganographic image, so that the data transmission security can be improved.

The invention provides a UCIe-based data transmission method, a storage medium and an artificial intelligence chip. The data transmission method comprises the following steps: communicating with a second core particle through a first core particle; receiving a bypass receive data signal and a bypass receive clock signal from the transmit module of the first core particle through the receive module of the second core particle; the serial-to-parallel conversion module is used for transmitting the bypass receiving data signal and the bypass receiving clock signal to the second core particle through the receiving module; counting the bypass receiving clock signal through a serial-to-parallel conversion module to obtain a bypass receiving frame count value, and sampling a bypass receiving data signal according to the bypass receiving frame count value; a serial-to-parallel conversion module decides to count a bypass burr removal count value according to a bypass burr removal counter starting signal; and when the bypass glitch removal count value is equal to the bypass glitch removal counter threshold value, resetting the bypass receiving frame count value through the serial-to-parallel conversion module. According to the invention, good data transmission quality among the core particles can be realized.

The invention provides a UCIe-based data transmission method, a storage medium and an artificial intelligence chip. The data transmission method of the present disclosure comprises the steps of: communicating with a second core particle through a first core particle; pre-sampling a plurality of previous valid frame signals by a second core particle; transmitting the current effective frame signal and the data signal to a second core grain through the first core grain; judging error bit positions of a plurality of previous effective frame signals through a second core grain; generating a detection signal according to the error bit position through the second core particle; and determining whether to write the data signal into a receiving cache module of the second core grain according to the detection signal through the second core grain. According to the UCIe-based data transmission method, the storage medium and the artificial intelligence chip, good data transmission quality can be provided.

The invention discloses a fusion terminal data processing method and system based on frame repair, which are applied to the technical field of intelligent communication, and the method comprises the following steps: detecting the integrity of a received data frame, and taking an incomplete data frame as a damaged data frame; identifying the data type of the data segment of the damaged data frame according to the damage condition of the damaged data frame, the adjacent data frame of the damaged data frame and the sample library, and judging whether the damaged data frame is repairable or not; and repairing the repairable damaged data frame according to the data type, verifying the repaired data segment through the verification segment, and using the repaired damaged data frame as a normal data frame. According to the method and the device, the data segments of the data frames are repaired, wrong retransmission in the network can be effectively reduced, the integrity and timeliness of data transmission are improved, channel blockage in the network caused by network fluctuation is avoided, and the method and the device have extremely high applicability.

The invention provides a satellite service data analysis method and system based on a dynamic protocol, belongs to the technical field of satellite real-time data processing, and is used for analyzing satellite data downloaded by a data transmission link so as to complete closed-loop verification on a satellite data transmission core data flow path. The method depends on the support capability of an on-satellite data transmission system for a multi-channel downloading mode, and the independent, lossless and time sequence fidelity binary disk falling capability of ground detection equipment for each channel data. The method comprises the following steps: acquiring original downlink data highly consistent with an on-orbit state; secondly, adopting a scheduler model to carry out structured segmentation and affiliation allocation on the AOS frame after the original data stream is restored; and finally, dynamically loading a corresponding protocol description file for each data unit, and performing field-by-field decoding according to a mapping rule of binary data and readable engineering quantity to generate structured table data. The method can be widely applied to whole-satellite integration test scenes of various remote sensing satellites such as optics, SAR and infrared.

The invention discloses a subcarrier-level diversity combining method and subcarrier-level diversity combining equipment for multi-frequency diversity, and relates to the technical field of wireless communication. The method comprises the following steps: receiving a plurality of frequency points bearing the same service, and respectively carrying out orthogonal frequency division multiplexing demodulation on each frequency point to obtain a symbol estimation value; calculating a soft decision log-likelihood ratio and a reliability vector according to the symbol estimation value; aligning the time deviation, the carrier frequency deviation and the sampling rate deviation generated by frequency crossing of each frequency point based on each symbol estimation value; performing decorrelation processing on the aligned soft decision log-likelihood ratio to obtain a decorrelated soft decision log-likelihood ratio, and performing merging operation on the decorrelated soft decision log-likelihood ratio according to the aligned reliability vector to obtain a merged soft decision log-likelihood ratio; and decoding the merged soft decision log-likelihood ratio to obtain a decoding result, and adjusting the merging operation according to the decoding result. By implementing the technical scheme provided by the invention, the diversity combining accuracy can be improved.

Systems and methods are provided for detecting bit errors and further processing bit error information. A method, according to one implementation, includes the step of receiving a binary test sequence pattern generated by a pattern generator at an input to a digital communications system under test, wherein the binary test sequence pattern includes a plurality of sub-patterns. The method also includes the step of receiving an output binary sequence from an output of the digital communications system. Also, the method includes comparing the binary test sequence pattern with the output binary sequence to detect bit errors. Based on correlation characteristics between the bit errors and each of the sub-patterns, the method also includes the step of determining whether the bit errors are caused by random factors or are caused by deterministic factors associated with the digital communications system.

Devices, networks, systems, methods, and processes for determining receiver performance metric of a network device are described herein. A device may utilize one or more error patterns associated with the network device to retrieve one or more symbol errors from the one or more error patterns. The device can determine an error threshold for a segment based on a predefined Bit Error Rate (BER) level for the segment. The device may generate a performance metric for the segment based on the error threshold and the retrieved symbol errors. The device can generate a receiver performance metric based on performance metrics of segments. The device may determine a Code Error Ratio (CER) and can predict a Frame Loss ratio (FLR) associated with the network device based on the CER.

This disclosure generally relate to a method and system for network policy simulation in a distributed computing system. The present technology relates techniques that enable simulation of a new network policy with regard to its effects on the network data flow. By enabling a simulation data flow that is parallel and independent from the regular data flow, the present technology can provide optimized network security management with improved efficiency.

The present disclosure provides a computer implemented method for mapping signal ports in a quantum computer control system comprising a plurality of signal ports, the method comprising outputting at least one test signal on at least one of the signal ports of the quantum computer control system, measuring at least one response signal on at least one of the signal ports of the quantum computer control system, and determining a port mapping for the quantum computer control system based on the at least one test signal, and the at least one response signal. Further, the present disclosure provides a respective quantum computer control system and a respective quantum computer.

This invention discloses a frame header detection method and system for configurable multi-rate SDH lines, relating to the field of optical synchronous digital transmission. The method includes: acquiring the serial data stream rate; converting the serial data stream on the SDH line into parallel data; truncating the parallel data into eight segments of different lengths and buffering them into eight corresponding registers; performing bit alignment based on the A1 byte hit result of the data of different lengths; aligning the bit-aligned parallel data based on the A2 byte and outputting a frame header signal; judging the accuracy of each frame header and outputting valid data frames and valid frame header signals; obtaining the current system state based on the output valid frame header signals, and determining that a true frame header has been detected when the current system state is a fixed-frame state. This invention can flexibly configure frame headers for detecting multiple SDH rates, has high accuracy in frame header detection, and continuously provides indications of fixed-frame and frame loss states.

A universal asynchronous receiver / transmitter includes a transmit register including information to be transmitted, a receive register including received information, a frame error check circuit that evaluates contents of the receive register for a frame error, and a control logic. The control logic routes contents of the transmit register to the receive register. During transmission of the contents of the transmit register to the receive register through a reprogrammable pin, the control logic modifies a bit inversion register to produce modified contents to be provided to the receive register. The modified contents cause a frame error. The control logic determines whether the frame error check circuit detects the frame error.

Systems and methods related to charge locking circuits and control systems for qubits are provided. A system for controlling qubit gates includes a first packaging device including a quantum device including a plurality of qubit gates, where the quantum device is configured to operate at a low temperature. The system also includes a second packaged device including a control circuit configured to operate at a low temperature, where the first packaged device is coupled to the second packaged device, and where the control circuit includes a plurality of charge locking circuits configured to lock the charge of the first packaged device to the second packaged device. Wherein each charge locking circuit of the plurality of charge locking circuits is coupled to at least one qubit gate of the plurality of qubit gates via an interconnect such that each charge locking circuit of the plurality of charge locking circuits is configured to provide a voltage signal to the at least one qubit gate.

Systems and methods related to charge locking circuits and control systems for qubits are provided. A system for controlling qubit gates includes a first packaging device including a quantum device, the quantum device including a plurality of qubit gates, wherein the quantum device is configured to operate at cryogenic temperatures. The system further includes a second packaging device including a control circuit configured to operate at cryogenic temperatures, wherein the first packaging device is coupled to the second packaging device, and wherein the control circuit includes a plurality of charge locking circuits, wherein each charge locking circuit of the plurality of charge locking circuits is coupled to at least one qubit gate of the plurality of qubit gates via an interconnect, such that each charge locking circuit of the plurality of charge locking circuits is configured to provide a voltage signal to the at least one qubit gate.

A low voltage differential serial (LVDS) communication system includes a system-on-chip (SoC) which includes a transmitter configured to serially transmit data, a receiver configured to serially receive data, a loopback control circuit configured to provide transmitted test data from the transmitter directly to the receiver during testing, and a built-in self-test (BIST) circuit. The BIST circuit controls testing by setting a voltage level of a common mode voltage for the transmitter, providing a test data pattern for transmission by the transmitter and receiving the test data pattern from the receiver in which the loopback control circuit directly provides the transmitted test data pattern from the transmitter to the receiver when an internal loopback configuration is enabled, and determining whether the voltage level of the common mode voltage results in a pass or fail.

This invention relates to network coding technology and discloses a network coding method based on maximum rank distance code. The method includes: performing network coding on transmitted data to obtain coded data; performing linear addition and multiplication on the coded data to obtain coded data packets; using a preset parity check matrix to perform error detection and location on the coded data packets to obtain an error matrix; and performing rank error correction on the coded data packets based on the error matrix to obtain the original source data. This invention also provides a network coding apparatus, device, and medium based on maximum rank distance code. This invention can reduce the amount of redundant data transmitted in the transmission network and maintain low latency and high data recovery success rate even in complex network environments.

The application discloses a semantic communication decoding method based on space-based computing, comprising the following steps: receiving a semantic encoding signal transmitted through a channel, and generating an initial decoding distribution through a non-autoregressive semantic decoder; constructing an empty information observation adapting to the current channel characteristics, inputting the observation into the decoder to estimate an implicit language prior, and correcting the initial decoding distribution to obtain a corrected channel likelihood distribution; combining the semantic prior of a pre-trained language model, quantifying the channel uncertainty and semantic uncertainty of each word position respectively, and generating a refinement priority based on the source ratio of the channel uncertainty in the total uncertainty; and iteratively refining the text sequence according to the priority. The application can explicitly eliminate the internal prior bias of a large model by using an empty observation, suppress the illusion phenomenon under a low signal-to-noise ratio, and realize the on-demand allocation of computing resources by distinguishing the uncertainty sources, thereby improving the accuracy and efficiency of decoding.

The invention discloses a base station for wireless communication and a method and a device in Internet of Things equipment. A node receives a first PRDCH, the first PRDCH adopts an OOK, and the first PRDCH allocates a first time domain resource for a first PDRCH; wherein the first time domain resource comprises available time domain resources, and the number of the time domain resources included in the available time domain resources depends on the residual electric quantity of the Internet of Things equipment; whether the first PDRCH is transmitted depends on a magnitude relationship between a first parameter value and a first threshold value, the first parameter value depends on the number of time domain resources included by the first time domain resource and the number of time domain resources included by the available time domain resources, and the first threshold value is predefined or configured. According to the invention, the transmission reliability is improved.

The invention relates to a method of real-world testing of a device under test with laboratory equipment. The method comprises the steps of: - Transmitting at least one data packet by means of a device under test at a certain reference time, wherein the reference time is derived from a global navigation satellite system signal, - Receiving the data packet by means of a test equipment, wherein the data packet received has been transmitted by the device under test at the reference time, - Processing the data packet received by means of the test equipment such that the test equipment synchronizes itself with the reference time, and - Transmitting at least one test data packet by means of the test equipment, wherein the test data packet is synchronized with the reference time.

The present application discloses a probabilistic shaping method, apparatus and device for a transmission signal, and a storage medium. The method comprises: acquiring a binary bit stream and a preset distribution symbol of a transmission signal; performing multi-layer bit probability operation processing on the binary bit stream on the basis of the preset distribution symbol to obtain a bit probability of the processed binary bit stream; obtaining a symbol probability by means of the bit probability; obtaining a modulation symbol on the basis of the processed binary bit stream; and completing probabilistic shaping of the transmission signal by means of the symbol probability and the modulation symbol.

The embodiment of the invention provides a data detection method and device, electronic equipment and a storage medium, and relates to the technical field of computers. The method comprises the following steps: receiving target data sent by a sending end and a first coding result of the target data, wherein the first coding result is obtained by performing error correction code (ECC) coding on the target data by the sending end; performing ECC coding on the target data at the decoding position to obtain a second coding result; performing XOR operation on the first coding result and the second coding result to obtain a first syndrome syndrome; and determining a current detection mode, and obtaining a detection result for the target data based on the detection mode and the first syndrome syndrome. According to the data transmission method and device, the target data are coded at the sending end and the receiving end respectively, the two coding results are compared to obtain the first syndrome syndrome, and finally the detection result of the target data is determined through the first syndrome syndrome and the detection mode, so that the safety and reliability in the data transmission process can be effectively improved.

Various example embodiments for supporting burst mode communications in an optical communication system may be configured to support burst mode communications based on use of a burst delineation scheme for burst detection. The burst delineation scheme may be based on detection of a delimiter in a burst mode transmission based on selecting, from a received bit stream, a first and second sets of bits, computing first and second error statistics on the first and second sets of bits, computing one or more error metrics based on one or more linear combinations of the first and second error statistics, and determining, based on one or more comparisons based on the one or more error metrics and one or more error thresholds, whether the received bit stream includes a delimiter. The burst delineation scheme for burst detection may be used for burst detection within various types of optical communication networks, including passive optical networks.

The invention relates to a method for securing the transmission of user data (17) from a transmitter (3) to a receiver (4). In this method, the user data (17) is calculated by a primary module (7) of the transmitter (3), and redundantly, corresponding user data is calculated by a secondary module (8) of the transmitter (3). The user data (17) calculated by the primary module (7) and a test value (20) calculated by the secondary module (8) for the user data it has calculated are combined in a complete data set (21). This complete data set (21) is then sent by the transmitter (3) to the receiver (4), where it is checked whether the test value (20) corresponds to the user data (17). If this is not the case, an error is detected. The invention also relates to a corresponding transmitter (3) and a motor vehicle (1) equipped for the method.

An abnormality detection device includes processing circuitry configured to input a normal packet to a Bidirectional Encoder Representations from Transformers (BERT) model learned using the normal packet, and acquire a size of Attention for each byte portion when encoding of the normal packet is performed, sample an important byte portion of the normal packet based on the size of the Attention of each byte portion of the normal packet acquired, and rewrite the sampled important byte portion to a random byte to generate a pseudo-abnormal packet, and determine a threshold value of an abnormality degree for detecting an abnormal packet based on the abnormality degree of the generated pseudo-abnormal packet group and normal packet group.

The application discloses a kind of soft demodulation methods for low signal-to-noise ratio 188-110A signal under large frequency offset, it is related to communication technical field, comprising: S1, preamble sequence detection and preamble sequence coarse synchronization based on autocorrelation;S2, prepare baseband preamble reference modulation signal;S3, preamble sequence fine synchronization based on differential cumulative correlation;S4, M&M and L&R joint frequency offset estimation and frequency offset correction based on preamble reference signal;S5, according to D1, D2 value table in 188-110A protocol, the demodulation of interleaving indicating D1, D2;S6, the frame search and frame demodulation of data are executed;S7, after the frame constellation of data is disturbed, the soft information of data frame is obtained;S8, based on 188-110A protocol, the deinterleaving of data frame soft information is completed by corresponding bit storage and reading mode, then it is decoded.After compared with prior art, signal detection anti-frequency offset is improved from ±0.4% to ±100%, signal detection performance is improved about 3dB gain, signal demodulation decoding performance is improved about 2.6dB gain.

The invention discloses a TCM code parameter blind identification method and device and a storage medium, and belongs to the field of electronic signal reconnaissance and confrontation. The method comprises the following steps: S1, acquiring binary code stream data, an initial code length and an initial constraint length of TCM coding; s2, constructing a binary linear equation set, and obtaining a mapping vector; s3, segmenting the mapping vector, and then constructing a Hadamard matrix; s4, carrying out Walsh-Hadamard transformation on the segmented vectors, so as to obtain a value of a Walsh spectrum; s5, searching a Walsh spectrum peak value outside the 0 point position, if the Walsh spectrum peak value is searched, obtaining a correct code length and a correct constraint length according to the position of the Walsh spectrum peak, and executing S6; if the Walsh spectrum peak value is not found, adding 1 to the initial code length, returning to S2, and continuing to execute the subsequent steps; and S6, constructing a new binary linear equation set, performing Walsh-Hadamard transformation according to the correct code length and the correct constraint length to obtain a correct initial position and a correct check matrix, and outputting an identification result. The method is low in calculation complexity, easy in engineering implementation and high in operation speed.

To fully enjoy the benefit of adaptive modulation or bit loading in a multi-carrier wireless communication system, a bit loading control method (700) is disclosed to reduce the system complexity and signaling overhead by making use of an attribute of the communication channel, which has a declining channel response with increasing frequency. Instead of applying adaptive bit loading on a per subcarrier basis, the disclosed method (700) obtains (S703) an estimated channel response based a test signa; and determines (S704) according to the estimated channel response a bit loading scheme for allocating the plurality of subcarriers into one or more non-overlapping frequency segments. For each frequency segment, an individual modulation scheme is assigned, which is shared by the more than one adjacent subcarrier comprised in the same frequency segment. The monotonicity of the channel response is used to accelerate the algorithm, as well as to make control information more compact.

A method for initiating transmission of a Link Adaptive Training (LAT) Physical Layer Data Unit (PPDU) in a Wireless Local Area Network (WLAN), where the LAT PPDU comprises one or more Uplink, UL) PPDUs and has a predefined format, the WLAN comprising at least one originating AP and one or more expected receiving non-AP STAs, the method comprising: the originating AP creating an LAT trigger frame (LAT TF), where the LAT trigger frame (LAT TF) is configured to receive the at least one originating AP and the at least one expected receiving non-AP STAs, and the at least one expected receiving non-AP STAs are configured to receive the at least one expected receiving non-AP STAs, where the at least one expected receiving non-AP STAs are configured to receive the at least one expected receiving non-AP STAs; the one or more anticipated receiving non-AP STAs are configured to initiate transmission of a UL LAT PPDU by each anticipated receiving non-AP STA of the one or more anticipated receiving non-AP STAs, the LAT TF comprising at least the following fields: a field indicating a frame type; a field indicating common information for all expected reception of non-AP STAs; a field indicating each expected reception of a list of specific user information for the non-AP STAs; transmitting the LAT TF from the originating AP to the one or more anticipated receiving non-AP STAs, where the LAT TF triggers a transmission of one or more UL LAT PPDUs from the one or more anticipated receiving non-AP STAs back to the originating AP; in response to the LAT TF, the originating AP receives the one or more UL LAT PPDUs transmitted from the expected receiving non-AP STA after a period of time of a predefined Inter-Frame Space (IFS), and the one or more UL LAT PPDUs are transmitted from the expected receiving non-AP STA after the period of time of the predefined IFS.

In an exemplary embodiment, a method for detecting an interference event for a vehicle is provided, the method comprising: transmitting a plurality of zero packets via vehicle-internal communication from a first short-range wireless communication system of the vehicle to a second short-range wireless communication system of the vehicle; monitoring, via a processor of the vehicle, using sensor data from one or more sensors of the vehicle, which of the zero packets transmitted by the first short-range wireless communication system are actually received by the second short-range wireless communication system; determining, via the processor, a frequency at which the zero packets transmitted by the first short-range wireless communication system are actually received by the second short-range wireless communication system;and determine, via the processor, whether a traffic jam event has occurred for the vehicle, based on the frequency.

This invention discloses a method for tracing the source of errors based on error codes, comprising the following steps: a first network element assigns message numbers to multiple messages to be transmitted; the first network element establishes an initial error code for each message to be transmitted after the message number; and selects whether to update the error code based on whether an error exists in the message to be transmitted, and then sends it to a second network element; the second network element receives the message and selects whether to update the error code based on whether an error exists in the message to be transmitted. This invention allows for the rapid location of one or more network element nodes where errors occurred in the transmission of messages using the error code on any network element node, avoiding the process of traversing network element nodes one by one in reverse; simultaneously, the message structure transmitted in the network element nodes also includes a message number corresponding to the service, which allows for the rapid location of the software module or service module in the network element node where the error occurred, facilitating quick problem resolution.