33 results about "Block error" patented technology

Systems, methods, and circuitries are provided for determining the likelihood that a malicious signal component is present in a UWB signal. In one example, a UWB receiver device is configured to receive a UWB signal during a ranging round; correlate the received UWB signal with a reference STS template to generate a correlation output; based on the correlation output, compute a channel quality indicator that characterizes a noise level of the channel; compute an attack-detection figure of merit (A-D FOM) based on the channel quality indicator, a block error of the received UWB signal, or a frequency error of the received UWB signal; and provide data indicative of the A-D FOM to a controller device.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) can communicate a transport block (TB) with a wireless communication device (WCD). The UE can communicate acknowledgement / negative-acknowledgement (ACK / NACK) feedback for the TB based at least in part on a switch from a first level of ACK / NACK feedback to a second level of ACK / NACK feedback based at least in part on a code block (CB) error pattern of the TB. Numerous other aspects are described.

Various aspects of the present disclosure relate to a process for managing block stripe assignment based on block error conditions. A processing device may identify, for a plurality of block stripes associated with a memory device, respective quantities of blocks that are associated with an error condition. The processing device may designate a first block stripe of the plurality of block stripes as a single-level cell (SLC) block stripe based on a first quantity of blocks in the first block stripe that are associated with the error condition, and may designate a second block stripe of the plurality of block stripes as a quad-level cell (QLC) block stripe based on a second quantity of blocks in the second block stripe that are associated with the error condition, where the first quantity is greater than the second quantity.

The application provides a mimic decision method, device, equipment and storage medium, which issues a request to each online execution body in a heterogeneous execution body pool, collects and normalizes response data to generate an initial normalized data set, inputs a multi-round progressive decision process, and sequentially executes a judgment strategy of relative credibility, absolute credibility and global forced reset. If the output results of each online execution body are inconsistent, the abnormal execution body is replaced, the normalized data is re-collected and input into the process cycle iteration after replacement, and the output of each execution body converges until the output of each execution body converges and the decision result is output. The application provides a step-by-step error correction path through the heterogeneous strategy of rounds, isolates abnormal nodes by inconsistent triggering replacement and re-sampling iteration to block error accumulation. A convergence closed loop is constructed to provide an explicit process exit condition, overcome the majority misjudgment defect of single-round static voting, avoid decision process deadlock, and realize accurate convergence and business continuous output of the decision result under complex interference.

This disclosure describes techniques that can be used for dynamic link adaptation in wireless telecommunications networks. Some implementations relate to determine signal to interference and noise (SINR) back off values, which can be used to determine adjustments to transmission characteristics such as transmission power for improving throughout. In some implementations, block error rates are used to determine adjustments to transmission power. In some implementations, slot-specific adjustments are determined. Reinforcement learning can be used to determine adjustments in real time or nearly real time.

Intra-block error correction including generating reconstructed sub-portions of a portion of a dataset that is distributed into a plurality of portions that are stored on different storage devices of the storage system, wherein the dataset indicates a first number of errors that is greater than a second number of parity data portions of the dataset, determining that a sub-portion of the dataset does not match a corresponding reconstructed sub-portion of the dataset; and based on the determination, replacing the sub-portion of the dataset with the reconstructed sub-portion of the dataset.

The application discloses a private network communication data processing method, relates to the technical field of communication, and comprises the following steps: constructing a unified time baseline, establishing a cause-and-effect sequence benchmark on the basis of the unified time baseline, extracting data backflow risk characteristics in link operation data, and generating risk prior data; scanning a cache area based on the risk prior data, identifying residual fingerprints and sequence hollow spectrum, calibrating back-feeding segments with backflow characteristics, and constructing an arrival threshold field consistent with the unified time baseline. The application realizes backflow risk identification by constructing a unified time baseline and a cause-and-effect sequence, blocks error segments from penetrating by combining a one-way submission channel and a shadow pipeline, realizes segment misplacement perception and isolation by introducing time watermarking and counting chains, completes data repair by using time inversion and error correction recovery, converges residual energy by combining an optical frequency comb and micro-injection, constructs a closed-loop regulation mechanism, and significantly improves the stability and security of private network communication.

Systems, methods, and circuitries are provided for determining the likelihood that a malicious signal component is present in a UWB signal. In one example, a UWB receiver device is configured to receive a UWB signal during a ranging round; correlate the received UWB signal with a reference STS template to generate a correlation output; based on the correlation output, compute a channel quality indicator that characterizes a noise level of the channel; compute an attack-detection figure of merit (A-D FOM) based on the channel quality indicator, a block error of the received UWB signal, or a frequency error of the received UWB signal; and provide data indicative of the A-D FOM to a controller device.

Various aspects of the present disclosure relate to an apparatus for signal enhancements for mixed downlink transmissions. The apparatus, such as a network entity (e.g., a gNB, a UE) receives a first signaling as a physical downlink shared channel (PDSCH) configuration. The apparatus receives a second signaling as a downlink control information (DCI) for scheduling communication of two transport blocks (TBs) to the apparatus over a PDSCH. The two TBs are associated with different threshold transport block (TB) error probabilities. The apparatus receives over the PDSCH, based at least in part on the DCI and the PDSCH configuration, a first set of PDSCH data layers indicating a first codeword for a first TB of the two TBs and a second set of PDSCH data layers indicating a second codeword for a second TB of the two TBs.

The application discloses an anchor point synchronous fountain code anti-cropping text watermarking method for a screen camera scene, and specifically comprises character instance extraction and carrier construction, watermark load construction and blocking, data block generation and in-block error correction, anchor point period mapping and character instance level embedding, screen camera and cropping attack, watermark extraction and anchor point synchronous block cutting, data block screening and two-section fountain recovery, and global verification output. The application can realize reliable recovery of watermark information under screen camera degradation and local cropping superposition conditions.

A system and a method are disclosed for training an autoencoder. The method includes receiving, by an input of the autoencoder, a first bit sequence including a plurality of bit positions, determining, based on a first error probability associated with a first bit position of the plurality of bit positions, a first exponent value for the first bit position represented in a loss function, the first exponent value being proportional to the first error probability, and encoding, by the autoencoder or by a second autoencoder trained based on the first exponent value, a transmit signal.

The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as long-term evolution (LTE). Disclosed is a method performed by a terminal that may comprise: receiving configuration information for a CSI report from a base station; acquiring a channel quality indicator (CQI) table on the basis of the configuration information for the CSI report; and transmitting CSI including a CQI according to the CQI table to the base station, wherein the CQI table is configured on the basis of a first CQI table of a case where transport block error probability is 0.1 and a second CQI table for a case where transport block error probability is 0.00001. The method performed by the terminal may further comprise: receiving configuration information relating to a physical uplink shared channel (PUSCH) or a physical downlink shared channel (PDSCH) from the base station; identifying a modulation and coding scheme (MCS) table on the basis of the configuration information relating to the PUSCH or PDSCH; and acquiring a transport block size (TBS) on the basis of the MCS table, wherein the MCS table is configured on the basis of a first MCS table configured by default and a second MCS table configured for low spectral efficiency (SE) in the base station.

The present disclosure provides a method in a network node. The method includes obtaining, from a previous transmission of the transport block, a cumulative number of transmitted bits and a quality metric for the previous transmission of the transport block. The network node then estimates a BLEP for retransmission of the transport block based on using the selected modulation, and compares the estimated BLEP to a target BLEP. In response to the estimated BLEP being less than the target BLEP, the network node retransmits the transport block using the selected modulation.

An error correction apparatus that performs two-bit error correction decoding using a block error correcting code includes: a syndrome generation unit that generates a syndrome pattern from a reception sequence; a number-of-errors determination unit that determines a number of bit errors in the reception sequence based on the syndrome pattern; and a two-bit error candidate error correction unit that calculates a first parameter based on the syndrome pattern when the number-of-errors determination unit determines that there is a two-bit error with a possibility of correction thereof, excepts the first parameter when the two-bit error is uncorrectable, and obtains a normalized root for the two-bit error by using a second parameter obtained by degeneracy of the first parameter by one bit, the first parameter being a constant term of a normalized polynomial, the normalized polynomial being obtained by normalization of a quadratic error locator polynomial.

The present invention discloses a non-regular two-dimensional error correction method, a read-write method, a controller and a system applicable to optical storage, which belongs to the field of optical storage technology. The encoding step includes: alternately using the error correction capability of t r1 and t r2 The RS code is used to encode the rows of the data block D, and the generated horizontal check symbols are interleaved into n r Row(t r1 +t r2 ) column horizontal check block P r ; Alternately use error correction capability t l1 and t l2 The RS code is used to encode the columns of the data block D, and the generated column-wise check symbols are interleaved into (t l1 +t l2 ) row n l Column-wise check block P l ; Use RS code to P r Encode to get (t l1 +t l2 )row(t r1 +t r2 ) column of additional check blocks P e ; D, P r 、P l and P e Organization is (n r +t l1 +t l2 )row(n l +t r1 +t r2 The present invention can improve the error correction capability of the error correction code for block errors in the optical storage system without increasing the number of check symbols.

The present disclosure provides a video encoding method and apparatus, an electronic device, and a non-transitory computer-readable storage medium. The video encoding method includes performing motion estimation and motion compensation on a current block; calculating a block error between an extended block of the current block and an extended block of a motion compensated block; determining a filtering weight based on the block error; temporally filtering the current block by performing a weighted sum of the current block and the motion compensated block based on the determined filtering weight; and encoding the current block based on a result of the temporal filtering. The present disclosure can consider the relationship between a block-level filtering weight factor and surrounding pixels in a motion compensation-based temporal filtering process, and utilize the surrounding pixels to correct the result of the block-level error term in the temporal filtering weight, thereby improving the temporal filtering effect and improving the encoding efficiency.

The present invention discloses a multi-base encoding and readout method for composite base DNA storage. Combining multi-base error correction coding and symbol mapping methods, digital information is encoded and mapped into a DNA chain containing composite bases and standard bases. A high-reliability short-block error correction code is used to encode the address sequence and add it to both ends of the data DNA sequence. During data readout, the short-block error correction code is used to achieve unique addresses for sequencing reads and fast clustering. Entropy-driven set partitioning and maximum-likelihood-based letter detection are combined to accurately detect the original characters of each synthesis site, and the original data is restored through error correction decoding. The present invention utilizes the separable characteristics of information entropy to cluster composite bases, increase the discrimination between concentrated characters, enhance detection capabilities, effectively utilize base frequency information in sequencing data, and reduce the coverage required for composite base detection.

The invention relates to a modulation and coding scheme scheduling method and device, a base station, a medium and a program product. The method is applied to a base station, and comprises the following steps: determining a corrected MCS and an attempted MCS at a current statistical moment according to a historical average block error rate of a plurality of MCSs; determining a current uplink signal transmission state based on the channel quality evaluation parameter of the uplink channel; and determining a scheduling MCS to be used currently based on the uplink signal transmission state, the corrected MCS and the attempted MCS. Wherein the historical average block error rate of the corrected MCS is smaller than the target block error rate, and the historical average block error rate of the attempted MCS is larger than the target block error rate. By adopting the method, the reliability and throughput in the uplink information transmission process can be improved.

The invention presents a universal foundation model for decoding error correction codes (ECC) and a learning-based method for linear block ECCs. The foundation model is trained on multiple codes using a code-invariant embedding, relative positional encoding from derived from parity-check matrices, and a size-invariant transformation to generate a robust noise prediction. A learned distance embedding derived from each code's Tanner graph modulates self-attention, allowing the system to handle both seen and unseen codes without retraining. Overall, this approach replaces specialized, code-specific decoders with a single efficient model, enabling more robust and scalable decoding of diverse error correction codes. The linear block learning component based on the Transformer architecture allows the differentiable training of the code via the Tanner graph connectivity derivation from the parity check matrix, and enables the effective and differentiable joint optimization of the code and of the neural decoder.

The present application discloses a time-domain filtering method, device, equipment and medium based on video block error, which relates to the technical field of audio and video coding. The method includes: determining the filtering weight corresponding to each video block according to the block error and block error distribution of the video block, improving the accuracy of filtering weight calculation in units of video blocks, and performing time-domain filtering on the coding frame to be filtered by integrating the filtering weights of the video blocks in adjacent frames. Thus, the intensity of time-domain filtering can be adjusted according to the block error and block error distribution, improving the time-domain filtering ability and eliminating or reducing the problem of performance loss of the filter.

The invention relates to user data block error detection and correction. In some embodiments, a memory device may retrieve host data via one or more data pins associated with a block of user data. The memory device may retrieve error correction data via one or more data mask inversion pins associated with the user data block. The memory device may use the host data and the error correction data to detect one or more multi-bit errors in the host data. The memory device may correct the one or more multi-bit errors using the host data and the error correction data.

The embodiment of the invention provides a pixel block error value calculation method and device, equipment, a medium and a product, and relates to the field of video coding. The method comprises the following steps: acquiring a first pixel block and a plurality of second pixel blocks; when traversing the first motion vector, dividing the first pixel block and the third pixel block according to a first division mode to obtain a plurality of first unit pixel blocks and a plurality of second unit pixel blocks; calculating first error values between the plurality of first unit pixel blocks and the plurality of second unit pixel blocks; and calculating a current error value corresponding to the fourth pixel block according to the plurality of first error values. According to the method, the first error value between the minimum unit of the first pixel block and the minimum unit of the pixel block corresponding to the reference frame is calculated, the current error values of the pixel blocks of all sizes under various division modes are derived based on the first error value, and the error values of the pixel blocks of all sizes can be calculated only by completing calculation of the first error value of the minimum block once. And the calculation complexity of the error value of the pixel block is reduced.

A method, apparatus, and a computer-readable storage medium are provided for improved transport block size (TBS) indication and channel quality indicator (CQI) reporting for lower target block error ratios (BLERs). In an example implementation, the method may include a user equipment configuring a plurality of transport block sizes, activating one or more transport block sizes of the plurality of transport block sizes, and determining a first transport block size from an indication received from a network node when more than one transport block sizes of the one or more transport block sizes are activated. The method may further include determining, a second transport block size, the second transport block size determined based at least on the one or more transport block sizes that are activated and the first transport block size, and receiving a downlink transmission from the network node with the second transport block size. In an additional example implementation, the method may include a user equipment determining a channel quality indicator based at least on a physical downlink shared channel received from a network node and transmitting the channel quality indicator to the network node.

Various aspects of the present disclosure relate to a process for managing block stripe assignment based on block error conditions. A processing device may identify, for a plurality of block stripes associated with a memory device, respective quantities of blocks that are associated with an error condition. The processing device may designate a first block stripe of the plurality of block stripes as a single-level cell (SLC) block stripe based on a first quantity of blocks in the first block stripe that are associated with the error condition, and may designate a second block stripe of the plurality of block stripes as a quad-level cell (QLC) block stripe based on a second quantity of blocks in the second block stripe that are associated with the error condition, where the first quantity is greater than the second quantity.

In some examples of the techniques described herein, a network entity may transmit a last transmission indication for a channel grant. The last transmission indication may indicate a last transmission (e.g., last packet of a retransmission) of a current data transmission to be communicated. In some approaches, the last transmission indication may allow a user equipment (UE) to improve a residual physical downlink shared channel (PDSCH) block error ratio (BLER) by prioritizing handling of a last transmission. Additionally, or alternatively, the UE may increase memory (e.g., buffer) utilization efficiency by deleting data stored for retransmission. In some examples, the UE may reduce power consumption by skipping a retransmission timer in connected mode discontinuous reception (C-DRX) without a forthcoming retransmission. In some scenarios, the UE may utilize the last transmission indication to determine whether received data corresponds to a retransmission or to a new transmission.

A method for operating a user equipment (UE) comprises receiving a configuration about a channel state information (CSI) report, the configuration including information about a time interval W for the CSI report, the time interval W comprising multiple time slots; and a number (Y) of channel quality indicator (CQI) values associated with the time interval W; deriving, based on the configuration, the Y CQI values, each of the Y CQI values at a corresponding time slot in the time interval W, wherein the Y CQI values satisfy a block error (BLER) probability requirement; and transmitting the CSI report including the Y CQI values, wherein Y≥1.

The invention discloses a meteoric trail channel-oriented PAC code construction and interleaving method, which comprises the following steps of: obtaining an interleaving pattern by adopting an enumeration mode, interleaving an under-secret meteoric trail physical channel W through the interleaving pattern to obtain a new LLR sequence under the physical channel W, obtaining an above LLR mean value through iterative calculation, calculating an error probability according to a Q function and the above LLR mean value, and constructing a PAC code according to the error probability. And obtaining an information bit set through the error probability, obtaining a block error rate after interleaving according to the error probability and the information bit set, and selecting an interleaving pattern causing the lowest block error rate as a final interleaving pattern by comparing the block error rates of N interleaving patterns. According to the method, the error code performance of the PAC code is improved, and the reliability of a stream residue system can be greatly improved.

The invention discloses a data block error insertion method which comprises the following steps: constructing a PCS layer format data block, and encoding the data block based on a preset form; partitioning the encoded data block information based on the length of each field of the data block; and based on a preset error insertion type, performing error insertion of data block information in each partition of the data block. The invention also provides a data block misplugging verification method, which comprises the following steps of: receiving each data block to be decoded, and reading the synchronization header information of the data block to be decoded; if the synchronization head information is consistent with the preset synchronization head format, reading the BlockType and data information of the to-be-decoded data block; if the BlockType of the same data block is matched with the data information, extracting a control character corresponding to the data block to be decoded; and if the control characters of the to-be-decoded data block accord with the preset data block character type sequence, decoding and performing error insertion verification on the adjacent data block. Compared with the prior art, the method can cover various conflict combination conditions. And errors can be accurately verified.

In some examples of the techniques described herein, a network entity may transmit a last transmission indication for a channel grant. The last transmission indication may indicate a last transmission (e.g., last packet of a retransmission) of a current data transmission to be communicated. In some approaches, the last transmission indication may allow a user equipment (UE) to improve a residual physical downlink shared channel (PDSCH) block error ratio (BLER) by prioritizing handling of a last transmission. Additionally, or alternatively, the UE may increase memory (e.g., buffer) utilization efficiency by deleting data stored for retransmission. In some examples, the UE may reduce power consumption by skipping a retransmission timer in connected mode discontinuous reception (C-DRX) without a forthcoming retransmission. In some scenarios, the UE may utilize the last transmission indication to determine whether received data corresponds to a retransmission or to a new transmission.

An error correction device (20) that performs 2-bit error correction decoding using a block error correction code is provided with: a syndrome generation unit (1) that generates a syndrome pattern from a reception sequence; an error number determination unit (2) that determines the number of bit errors in the reception sequence on the basis of the syndrome pattern; and a 2-bit error candidate correction unit (5) that, when the error number determination unit (2) determines that there is a 2-bit error and there is a possibility of correction, calculates a first parameter on the basis of the correction sub-pattern, excludes the first parameter that is determined to be non-correctable for the 2-bit error from the first parameter, and corrects the 2-bit error candidate using a second parameter obtained by performing 1-bit degradation on the first parameter, and corrects the 2-bit error candidate using the second parameter that is determined to be non-correctable for the 2-bit error candidate correction unit (5). The first parameter, which is a constant term of a normalized polynomial obtained by normalizing a quadratic error position polynomial, is a normalized parameter, and the normalized root is obtained for the 2-bit error.