747results about "Error detection/prevention using signal quality detector" patented technology

The invention is suitable for the technical field of signal testing, and provides a high-speed serial signal testing method and system and semiconductor testing equipment, and the high-speed serial signal testing method comprises the steps: carrying out the time sequence adjustment of a testing signal through a phase-adjustable clock reference, actively introducing controllable jitter, and carrying out the jitter tolerance testing; a target test signal is sent to a receiving end through an emission driver, after a receiving signal is obtained, a target sampling time sequence is extracted based on clock recovery, a programmable receiving delay chain is controlled to carry out time scanning, and receiving data at multiple sampling moments are obtained; comparing each sampling data with the test signal, counting the bit error rate under each delay setting, and completing signal quality evaluation; the scheme has the advantages of modularization, high precision, low cost and the like, and the comprehensive test efficiency and reliability of the semiconductor test equipment on high-speed serial signals are improved.

The invention discloses an efficient photovoltaic inverter communication monitoring conversion method and system, and relates to the technical field of communication monitoring services. The efficient photovoltaic inverter communication monitoring conversion method comprises the following steps: S1, collecting and preprocessing link structure data and field feature data, and constructing a standardized communication transmission data set; s2, analyzing the transmission delay of each level of communication node, and dynamically adjusting a data packaging structure and a main / standby channel forwarding strategy; s3, evaluating the structure mismatching risk of the main channel and the redundant channel, and triggering a path switching and structure recombination process; and S4, integrating delay and mismatch risk analysis results, and dynamically optimizing a link rhythm distribution structure. The problems that delay and distortion are easily introduced due to the fact that inverter data transmission is packaged and decoded for multiple times in different levels of gateways, and an existing system lacks an end-to-end link performance collaborative awareness and optimization control mechanism from the edge side to a cloud platform are solved.

The invention provides a communication segmentation learning system and method for adaptive channel compression, and a medium, and relates to the technical field of segmentation learning and communication compression. The system comprises a plurality of clients, a server side and a channel compression device arranged between the clients and the server side, the channel compression device comprises a channel sensitivity modeling module, a rate distortion adaptive compression module and a cross-client fair coordination module. In a channel sensitivity modeling module, channel importance is dynamically evaluated through intermediate layer activation value fusion; differentiated quantization and compression strategies are designed on the basis of sensitivity scores in a rate-distortion self-adaptive compression module, so that key information is reserved while communication overhead is reduced; and meanwhile, the cross-client fair coordination module realizes balanced distribution of communication resources among multiple clients through a fairness regularization and dual optimization mechanism, so that the influence of excessive compression on global convergence is avoided. According to the method, the communication efficiency and the training stability of segmentation learning in a complex heterogeneous environment are remarkably improved.

This application relates to wireless communications, including methods and apparatus to monitor radio link conditions of a cellular wireless network adaptively using a low-power wake-up signal (LP-WUS) burst received by a low-power wake-up radio (LP-WUR) of a wireless device when possible and switching to using legacy reference signals received by a main radio only when required. The LP-WUS burst is processed by the LP-WUR to determine a block error rate (BLER) value and / or a signal-to-noise-plus-interference ratio (SINR) value to determine whether the wireless device is in an out-of-sync (OOS) condition. The main radio can be awakened, including when directed to sleep by the cellular wireless network, to perform radio link monitoring when the OOS condition is determined.

The invention relates to a terminal device communication transmission method and device based on a single-soldier ad hoc network and a medium. Reliability is improved through a dynamic dual-mode compensation mechanism. The method specifically comprises the following steps: a terminal establishes a main communication mode (including an initial routing and transmission protocol) based on dynamic topology, and establishes a complementary auxiliary communication mode (different routing strategies or protocols but consistent capacities); dual modes are bound into a redundancy group, state differences are monitored in real time, and untransmitted data packets / path delays are associated with dynamic identification bits; performing compensation transmission on difference data pointed by the identification bit through an auxiliary mode, and clearing the identification bit after the compensation transmission is completed; and if the redundant group has no residual identification bit, terminating the main mode and switching the auxiliary mode to dominate transmission. The network state and the compensation requirement are accurately associated through the dynamic identification bit, self-adaptive compensation of difference data is achieved, waste of redundant resources is avoided, and meanwhile the end-to-end communication success rate in the high dynamic environment is ensured through the dual-mode complementary characteristic.

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 discloses a data reading method and system based on an RFID reader-writer, particularly relates to the technical field of radio frequency identification data acquisition, and is used for solving the problem that the communication reliability of an existing RFID system is reduced due to carrier frequency deviation and multipath interference in a high-speed mobile environment. A phase change characteristic and an error rate index are obtained through double-antenna receiving signal analysis, when the error rate exceeds a limit, spatial correlation and error rate distribution difference are jointly analyzed to determine a multipath interference level, and meanwhile, a relative motion state is detected and judged through a phase track curvature characteristic. And dynamically selecting an optimal modulation coding mode to read data again according to the calculated motion speed estimated value and the interference level, thereby realizing the optimal balance between the communication rate and the reliability in the mobile environment.

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 relates to a method for performing a link adaptation in an uplink transmission between a user equipment, UE, and a network node in a telecommunication network, the method comprising:obtaining a first value of a Modulation and Coding Scheme, MCS, for a future transmission at transmission time interval k in the uplink transmission, the first value of MCS being determined on the basis of a Signal to Interference and Noise Ratio, SINR, estimated by the network node for the future transmission at transmission time interval k; andpredicting a second value of the MCS for the future transmission at transmission time k by using a Q-learning process having as input the first value of MCS, first data indicating whether the future transmission at transmission time k is a first transmission or a retransmission, and second data indicating whether a feedback acknowledgement, ACK / NACK, of a transmission that took place at transmission time interval k−1 is equal to ACK or NACK.

The invention discloses a dual-channel intelligent command communication system for a hydropower station. The dual-channel intelligent command communication system comprises a dual-channel communication arrangement module, a dynamic interference analysis module, a communication gain module and a communication state evaluation module, the dual-channel communication arrangement module comprises a first main channel and a second standby channel; two communication channels of the dual-channel communication arrangement module are in communication connection with the dynamic interference analysis module, the dynamic interference analysis module is in signal connection with the communication gain module, and the communication gain module is in data connection with the communication state evaluation module. The system solves the problems that a traditional hydropower station communication system is too single in communication mode, and signals are prone to being interfered in a complex and variable environment.

The invention discloses a line diagnosis method and circuit, and the method and circuit are used for a data communication system, and the method comprises the steps: detecting a first current on a high-side switching tube and / or a second current on a low-side switching tube; judging the states of the high-side switch tube and the low-side switch tube based on the detection result; and judging whether open circuit and short circuit exist at the line positive end and the line negative end and whether short circuit exists between the line positive end and the line negative end and the power supply voltage and the ground voltage based on the states of the high-side switch tube and the low-side switch tube. According to the line diagnosis method and the diagnosis circuit, the accuracy of fault diagnosis in the bus power supply and power-on process can be improved, false report and missing report of faults are reduced, and chip and line burnout caused by long-time overcurrent is avoided; by means of fault detection of the communication state, the line fault diagnosis precision in bus power supply communication is improved, false alarms and missing alarms are reduced, and overcurrent is avoided.

The invention discloses a high-integration intelligent ignition head device and an automobile safety communication power supply system thereof. The device comprises an input unit, a power management module, a communication module, a communication judgment module, an MCU, a voltage sensing module, a current sensing module, an ignition control module, an ignition element and a substrate, and an environment self-adaption unit, a dual-mode wireless energy supply unit and an optical fiber diagnosis channel can be additionally arranged. The system adopts the device, communicates with a central control unit through a redundant optical fiber bus and a double-wire bus, and further comprises the central control unit, a dynamic topology reconstruction unit and a pre-ignition energy distribution unit. Through digital signal control, multi-dimensional sensing module integration and a double-wire bus topological structure, ignition threshold multi-stage protection, state real-time monitoring and feedback, multi-ignition-head parallel independent control and miniaturized function integration are achieved, and the reliability, the intelligent degree and the driving efficiency of an automobile safety system are improved.

The invention relates to the technical field of communication signals, in particular to an eye pattern limit offset determination method and system, and the method comprises the steps: carrying out the data bias sampling in an analog circuit according to a current bias data code value, obtaining the current bias data, comparing the current normal data with the current bias data through a serial-parallel conversion module, obtaining the waveform comparison data, and determining the eye pattern limit offset according to the waveform comparison data. And performing ratio calculation on the total bit number and the error bit number according to the waveform comparison data to obtain a current bit error rate, judging whether the current bit error rate is greater than a bit error rate threshold value or not, if not, returning to perform bias data code value regulation and control, and if so, obtaining a previous bias data code value of the current bias data code value. And determining the limit offset of the eye pattern according to the last bias data code value. According to the invention, the recognition efficiency of the eye pattern limit offset can be improved.

An information indication method, an information indication apparatus and a communication device are provided. The method includes: obtaining first quality indication information according to first measurement metrics; reporting the first quality indication information; wherein, the first quality indication information includes at least one of following: indication information of carrier phase continuity, indication information of half cycle ambiguity, indication information of an error indication value, indication information of an error resolution, indication information of a carrier signal quality, indication information of a quantity of error sampling points, and indication information of a measurement confidence level.

Various aspects of the present disclosure generally relate to wireless communication. Some aspects more specifically relate to configuration of downlink and / or uplink quality of service (QoS) based radio link monitoring and prediction and related signaling and procedures. In some aspects, a network node may configure a user equipment (UE) with set(s) of physical (PHY) and / or medium access control (MAC) parameters for QoS radio link monitoring and reporting. Once configured with the parameter sets, the UE may receive a signal from the network node to use a particular set, or may autonomously select a set using traffic requirements. The network node may schedule the UE to send a QoS report in accordance with one or more downlink or uplink measurement and / or prediction results. For example, when the monitored results exceed one or more configured threshold(s), the UE may transmit a report to the network node.

The present invention relates to communication system and method for error-proportional energy-saving in encoding and decoding in Body Area Networks (BAN) using Human Body Communication (HBC). The method includes receiving message signal from data sources. Further, the method includes encoding data symbols using encoding algorithms. Furthermore, the method includes calculating syndrome values for the encoded data symbols. Furthermore, the method includes generating an error signal when the calculated syndrome values corresponds to a non-zero value. Furthermore, the method includes receiving the error signal from the syndrome module. Furthermore, the method includes activating an Error Location Polynomial (ELP) module when the syndrome values corresponds to a non-zero value. Subsequently, the method includes generating an error indication signal. Consequently, the method includes activating an Error Magnitude Polynomial (EMP) solver module and a chien search module. Finally, the method includes decoding the encoded data symbols.

Methods, systems, and devices for wireless communications are described. The described techniques provide for a network entity obtaining, from a repeater device, an indication of an uplink gain factor associated with uplink transmissions from a user equipment (UE). The network entity may select a precoding matrix associated with downlink transmissions to the UE according to the uplink gain factor. The network entity may output downlink signaling to the UE via the repeater device according to the precoding matrix, a channel rank, and a modulation and coding scheme (MCS) via the repeater device.

An apparatus for generating a data signal comprises a processing circuit configured to generate the data signal, the data signal comprising a sequence of a first signal edge of a first type, a second signal edge of a second type, and a third signal edge of the first type, the first signal edge and the second signal edge being separated by a first time period corresponding to first data to be transmitted, and the second signal edge and the third signal edge being separated by a second time period corresponding to second data to be transmitted. An output interface circuit is configured to output the data signal.

The invention discloses a channel detection method, device and equipment and a computer readable storage medium, and belongs to the technical field of communication. When the method is applied to a first node configured at a source end of a target channel needing to be detected, the method comprises the steps that a first message carrying detection request information is acquired, and the first message comprises a plurality of first base frames; transmitting the first message through the target channel; a second message returned by the reference node through the target channel based on the detection request information is received, the reference node is a node configured on the target channel, the second message carries detection response information and comprises a plurality of second base frames, and different base frames are transmitted at different times through the target channel; and determining a channel detection result of the target channel according to the detection response information. Even if the target channel is a transmission channel for data transmission by adopting a small particle technology, channel detection can be realized, the maintainability and reliability of the target channel are ensured, and the transmission quality of the target channel is high.

The invention relates to a file transmission method for long-distance wireless communication. Comprising the following steps: evaluating channel quality of long-distance wireless communication and acquiring an initial packet loss rate; calculating a transmission parameter according to the initial packet loss rate, wherein the transmission parameter at least comprises a fragment size and a redundancy rate; fragmenting a to-be-transmitted file at the sending end according to the fragmentation size, and encoding according to the redundancy rate; splicing the fragmented data at a receiving end and checking file integrity; and acquiring a real-time packet loss rate in a file transmission process, and dynamically adjusting the transmission parameters according to the real-time packet loss rate. By dynamically adjusting the transmission parameters, the bandwidth utilization rate is improved, and the transmission time and energy consumption are reduced. Calculation of the fragment size and the redundancy rate is based on a simple linear formula, basic addition, subtraction, multiplication and division operation is involved, the operation can be rapidly completed in a real-time environment, a large number of computing resource algorithms are not occupied, and therefore the method is more suitable for running on low-computing-power equipment such as ESP32.

The invention discloses a PON (Passive Optical Network) network fault detection method, device and equipment and a storage medium, the PON network fault detection method can be applied to Fiber To Room (FTTR), enterprise-level Fiber To Room-Bus (FTTR-B) and broadband fusion terminal products, and the PON network fault detection method comprises the following steps: obtaining an original bit error rate and link quality data carrying a sub-machine identifier, the sub-machine identifier is a unique identifier corresponding to the FTTR sub-machine; performing fault detection based on the original bit error rate and the link quality data, and determining a fault detection result corresponding to the sub-machine identifier; and when the fault detection result is that a fault exists, executing fault alarm processing based on the original bit error rate and a target bit error rate threshold. According to the method, the problems that the fault source cannot be determined in the PON network, the fault detection is inaccurate and the alarm is not timely can be solved.

The invention provides a non-fragile state estimation method and system of a Chua's circuit system under an error code condition, and belongs to the field of signal processing. The problem that the existing state estimation method cannot consider communication limitation, random change coupling, multiple random time-varying delay, nonlinearity, bounded random noise and estimator gain change at the same time, so that the state estimation performance is reduced is solved. The method comprises the following steps of: sequentially establishing a mathematical model taking a Chua's circuit as a complex network system node, a mathematical model in which a binary bit obtained by coding randomly generates an error code when being transmitted, a mathematical model for recovering a measurement signal after compensating the error code, and a mathematical model of a non-fragile state estimator, and then calculating a node state estimation error. Obtaining an overall estimation error augmentation system of the complex network system, and finally solving the unknown gain of the non-fragile state estimator. And substituting the gain into the non-vulnerability state estimator to realize estimation of the mathematical model taking the Chua's circuit as the complex network system node.

Methods, systems, and devices for wireless communications are described that provide for interference-aware beam failure detection procedures. One or more beam failure parameters may be adjusted based on a likelihood of temporary interference being present for a communications beam. The beam failure parameters may include beam failure indication (BFI) counts or count thresholds that may be adjusted based on a likelihood of BFIs being the result of temporary interference. Additionally or alternatively, one or more measurement thresholds that trigger a BFI may be adjusted based on a likelihood of a presence of temporary interference.

An antenna pattern selection method includes a first communication device sending a plurality of packets to a second communication device. Then, the first communication device measures, in each of a plurality of antenna patterns, signal quality of a plurality of acknowledgment frames with which the second communication device separately responds to the plurality of packets, and finally selects a dominant antenna pattern from the plurality of antenna patterns based on signal quality corresponding to each of the plurality of antenna patterns. According to the antenna pattern selection method, when normal communication is not affected, the first communication device may determine, based on signal quality of an acknowledgment frame, whether an antenna pattern used by the first communication device is proper.

The invention provides a 2M non-framing double-path protection intelligent switching method and system based on redundancy check, and relates to the technical field of communication, and the method comprises the steps: obtaining double-path 2M non-framing code streams, carrying out the alignment processing, generating a check result through employing cyclic redundancy check, carrying out the statistics of error code feature vectors in a sliding time window, and constructing a link quality track. According to the method, the quality degradation early warning signal is extracted, the stage switching strategy is constructed based on the early warning signal, the switching time sequence is determined in combination with the neural network evaluator, link switching is executed, self-adaptive optimization of the switching strategy is achieved, and the intelligence and reliability of link switching are improved.

A forward error correction code switching method applied to a first device includes determining a target operational forward error correction code according to predetermined transmission channel quality and a target traffic requirements; and notifying a second device of the target operational forward error correction code to enable the second device to switch a current operational forward error correction code to the target operational forward error correction code, and decodes user traffic data according to the target operational forward error correction code.

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.

Methods and apparatus are provided for wireless communication performed by a network-controlled repeater (NCR) configured to forward downlink (DL) channels or signals from a base station to a user equipment (UE). The NCR determines a duration for which hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback is configured. The NCR determines a number of measurements of the DL channels or signals for which a single HARQ-ACK bit is reported. The NCR determines, based on the number of measurements and a comparison with a success threshold for each of the measurements, an acknowledgement (ACK) or negative acknowledgement (NACK) for each configured HARQ-ACK bit in a first sequence of HARQ-ACK bits. The NCR constructs a dynamic HARQ-ACK codebook to send to the base station. The dynamic HARQ-ACK codebook includes at least the first sequence of HARQ-ACK bits.