149results about "Transmitted data organisation to avoid errors" patented technology

The invention discloses a data access method based on an industrial internet and an industrial internet integrated system, and the method comprises the steps: collecting real-time operation parameters, packaging the parameters into an information packet, recognizing nodes by an edge gateway, dynamically discovering a model by an edge node, evaluating the nodes to generate availability scores, verifying the consistency of data, and recombining the data to form a complete unit. And distributing to a corresponding processing queue to analyze and extract features. According to the system, through an edge node dynamic discovery model and a data consistency verification algorithm, in combination with industrial internet parameters, collaborative optimization of node dynamic discovery and data verification is achieved, all units are connected and interacted through an industrial Ethernet bus, data access reliability and real-time performance are improved, and the system is suitable for data processing requirements in industrial internet complex scenes.

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.

An AI-based energy edge platform is provided herein with a wide range of features, components and capabilities for management and improvement of legacy infrastructure and coordination with distributed systems to support important use cases for a range of enterprises. The platform may incorporate emerging technologies to enable ecosystem and individual energy edge node efficiencies, agility, engagement, and profitability. Embodiments may forecast, plan for, and manage the demand and utilization of energy in greater distributed environments. Embodiments may use AI, IoT, and technologies that filter, process, and move data more effectively across communication networks. Embodiments of the platform may leverage energy market connection, communication, and transaction enablement platforms. Embodiments may employ intelligent provisioning, data aggregation, and analytics.

Methods and apparatuses for multiple concurrent random access procedures. A method for operating a user equipment includes receiving first configuration for a random access (RA) procedure, initiating a first RA procedure on a cell based on the first configuration, and initiating a second RA procedure on the cell prior to completion of the first RA procedure. A method for a base station includes transmitting a first random access response (RAR) and a second RAR. The first RAR includes a first temporary cell radio network temporary identifier (TC-RNTI) and a first uplink grant. The second RAR includes a second TC-RNTI and a second uplink grant. The method further includes receiving a first PUSCH scheduled by the first uplink grant and a second PUSCH scheduled by the second uplink grant. The first PUSCH includes the first TC-RNTI. The second PUSCH includes only the first TC-RNTI or both the first and second TC-RNTIs.

In an alignment marker search method, a first module receives a first data stream, where the first data stream is obtained by multiplexing a plurality of second data streams at a reference granularity, any second data stream includes an AM and data from at least one FEC codeword, and the reference granularity is a quantity of bits corresponding to n symbols included in the FEC codeword; obtains a first data segment from a first location in the first data stream at the reference granularity; and performs AM search on the first data segment. The reference granularity is the quantity of bits corresponding to the n symbols. Therefore, when a burst bit error occurs in the first data stream, a quantity of symbols affected by the burst bit error is small.

Certain aspects of the present disclosure provide techniques for cyclic shift selection for physical sidelink control channel retransmissions. A method that may be performed by a first user equipment (UE) includes monitoring one or more sidelink control information (SCI) transmissions from one or more second UEs. The method generally includes determining, based on the one or more SCI, whether one or more collisions occur between one or more retransmissions of the one or more SCI transmissions by the one or more second UEs and a scheduled SCI transmission by the first UE. The method generally includes selecting a cyclic shift to use for the scheduled SCI transmission by the first UE based at least on the determination.

A method includes: A first transmission unit packs, at a protocol layer of the first transmission unit, to-be-transmitted data of an application layer of the first transmission unit, to generate a data packet. The data packet includes data type information, the data type information indicates an application scenario of the data packet, and the application scenario includes any one of a camera scenario, a display scenario, and a storage scenario. The first transmission unit sends the data packet to a physical layer of the first transmission unit through the protocol layer of the first transmission unit. The first transmission unit sends the data packet to a second transmission unit through the physical layer of the first transmission unit.

The invention provides a 10-gigabit Ethernet giant frame unpacking and packing device based on an FPGA (Field Programmable Gate Array), and belongs to the technical field of network data packet processing. By arranging the standard frame combination unit, the giant frame splitting unit, the parameter configuration module and the clock module, the device can realize the functions of splitting giant frames to form standard frames, combining the standard frames to form the giant frames, dynamically configuring the MTU, monitoring the transmission quality of a data link in real time and the like. According to the invention, the data frames can be processed at the data link layer, the influence on the running speed of the 10 Gbps Ethernet is small, and the data frames can be quickly processed and forwarded. Meanwhile, flexibility is achieved, and parameters can be dynamically configured according to the specific operation environment so as to achieve the best operation state in the current environment.

The invention discloses an Ethernet data transmission method and device, equipment and a storage medium, and relates to the technical field of communication, the method is applied to a receiving end, and the method comprises the following steps: receiving code stream data obtained by inserting a protection frame code block into a coding code stream of a physical coding sub-layer by a sending end from a physical link; performing framing processing on the code stream data to obtain frame description information of the lossless protection frame; performing alignment processing on the lossless protection frames on different physical links based on the frame description information; and eliminating redundant frames from the aligned lossless protection frames according to frame serial numbers in the frame description information to obtain lossless protection frames with continuous frame serial numbers, and sending the lossless protection frames to the downstream. By sinking Ethernet service lossless protection from a data frame level to a code block level of a physical coding sub-layer, service protection overhead is allocated to a code stream with finer granularity, the effective bandwidth utilization rate of data transmission is remarkably improved, the processing frequency is reduced from a high frequency of the data frame level to a low frequency of the code block level, and the hardware implementation difficulty is reduced.

Embodiments of the present application provide a communication method and system, and a related device. The method comprises: a transmit end determines a first symbol sequence the length of which is L and which corresponds to each OOK ON symbol in an obtained OOK symbol sequence, and generates a second symbol sequence the length of which is P (greater than L) and which corresponds to each OOK ON symbol, the first symbol sequence being located at a first position in the second symbol sequence, and the first position corresponding to N subcarriers within a bandwidth of a first signal; and on the basis of the second symbol sequence, the transmit end executes a mathematical transformation operation, generates a third symbol sequence the length of which is K (greater than P), and on the basis of N symbols located at a second position in the third symbol sequence, generates and sends a first signal, the second position corresponding to the N subcarriers. The transmit end places the first symbol sequence corresponding to each OOK ON symbol at a first position corresponding to N subcarriers, which can effectively reduce the distortion caused by frequency domain windowing processing on the original OOK symbol sequence, thereby ensuring sequence detection performance of a receive end.

In a radio system which allocates resources using as units resource blocks which are formed by frequency components and time components, control information for mobile station devices, and identification information which is used to identify a format for a control information transmission channel which transmits the control information is transmitted from the base station device to the mobile station devices by means of the control information transmission channel.

Embodiments of the invention relate to a MAC PDU comprising MAC subheader and MAC SDU pairs encoded with error detection codes. More specifically, a first communication device (100) transmits a MAC PDU to a second communication device (300). The MAC PDU comprises at least one MAC subheader and MAC SDU pair. The at least one MAC subheader and MAC SDU pair comprises a plurality of data fields appended to the MAC subheader and being encoded with a first error detection code, and the plurality of data fields comprising a first data field indicating a length of a pay load of the MAC SDU and a second data field indicating a length of at least the MAC subheader and a header stack of the MAC SDU, and the MAC subheader and the header stack are encoded with a second error detection code. Furthermore, embodiments of the invention also relate to a first and a second communication device, corresponding methods and a computer program.

This application provides a data transmission method, apparatus, and system, and a device. The method includes: receiving, by a receive end, a Radio Link Control protocol data unit (RLC PDU); determining, by the receive end, whether the RLC PDU includes a complete service data unit (SDU) or an SDU segment, where the RLC PDU is transmitted in unacknowledged mode (LTM); and transmitting, by the receive end to a Packet Data Convergence Protocol (PDCP) layer based on a result of the determining, the complete SDU or a complete SDU assembled by using the SDU segment. The data transmission method, apparatus, and system, and the device provided in this application implement data transmission in UM at an RLC layer in 5G.

The invention belongs to the technical field of ship data acquisition and signal processing, and particularly relates to a mixed signal universal acquisition access system for a ship, which comprises a data acquisition conditioning module, a synchronization module, a data processing module and a communication interface module, the synchronization module automatically identifies and unifies signal formats, the data processing module completes verification and compression, and the communication interface module adapts to different upper-layer systems to form a closed-loop optimized mixed signal acquisition architecture, so that the compatibility, real-time performance and reliability of data acquisition in a ship complex environment are improved.

This disclosure provides methods, devices and systems for encoding data for wireless communication to achieve a desired amplitude distribution. Some implementations more specifically relate to performing an encoding operation to shape the amplitudes of the resultant symbols such that the amplitudes have a non-uniform distribution. In some implementations of the non-uniform distribution, the probabilities associated with the respective amplitudes generally increase with decreasing amplitude. Some implementations enable the tracking of MPDU boundaries to facilitate successful decoding by a receiving device. Additionally or alternatively, some implementations enable the determination of a packet length after performing the amplitude shaping, which enables a transmitting device to determine the number of padding bits to add to the payload and to signal the packet length to a receiving device so that the receiving device may determine the duration of the packet.

The present application relates to the technical field of communications, and discloses a data processing method and apparatus, an electronic device, a medium, and a computer program product. The method comprises: a first electronic device receiving at least one first data frame by means of a first communication link, and receiving at least one second data frame by means of a second communication link; acquiring identification information of each first data frame from a data portion of the at least one first data frame, and acquiring identification information of each second data frame from the at least one second data frame; or acquiring identification information and a mapped value of each second data frame from the at least one second data frame, and determining identification information of each first data frame on the basis of the mapped value of the at least one second data frame and a data portion of the at least one first data frame; and obtaining a target data frame on the basis of the data portion and the identification information of the at least one first data frame, as well as a data portion and the identification information of the at least one second data frame.

The application discloses a communication verification method, a master control, a readable storage medium and a communication system, relates to the field of communication, and forms a communication loop by sequentially connecting the master control and N communication units. When frame information is sent to the communication unit, the master control not only requires the communication unit to perform first and second verification on the frame information, but also requires the communication unit to perform second and verification on the wave emission information in the frame data, so that the second and verification is used to determine that the received wave emission information is not changed or missed, the addition of the collected information in the transmission process does not affect the wave emission information, the accuracy of the wave emission information is ensured, the accuracy and effectiveness of the frame information are further ensured, the verification process of the wave emission information in the frame data in the optical fiber communication process is increased, the accuracy and reliability of the whole communication system are improved, the accuracy of the wave emission information transmitted by the communication unit can be greatly improved, and the whole communication process can better adapt to industrial high-speed optical fiber communication and improve the safety and stability of the communication process.

The application discloses an intelligent decoding method for UART serial signals, which comprises the following steps: firstly, automatically recognizing unknown baud rate, data bit number, stop bit length and whether the UART protocol signal contains a parity check bit and other key parameters by using a large amount of data; and secondly, decoding and processing subsequent UART protocol signals according to cascaded decoding modules. Through the intelligent decoding of the UART protocol signal, the correct data information and baud rate can be accurately parsed without manually configuring or trying various decoding settings, so that the decoding process of the UART protocol signal can be greatly simplified, and the operation burden of the user can be reduced.

Embodiments of this application provide a semantic communication method and a related apparatus, to reduce unnecessary data retransmission and improve semantic communication efficiency. The semantic communication method provided in this application includes: sending first semantic data, where the first semantic data is determined from first data; and receiving first indication information, where the first indication information includes first information, and the first information indicates not to retransmit the first semantic data; the first indication information includes second information, and the second information is used to request semantic data other than the first semantic data in semantic data determined from the first data; or the first indication information includes third information, and the third information indicates to retransmit the first semantic data.

Embodiments of this application provide a buffer status report sending method, a terminal device, and a network device. The method includes: determining, by a terminal device, a first resource, where the first resource is a resource configured for a first channel, and the first channel is a data channel; adding, by the terminal device, a first cyclic redundancy check CRC to a buffer status report; and sending, by the terminal device, a second channel on the first resource, or sending, by the terminal device, the first channel and a second channel on the first resource, where the second channel is used to carry the buffer status report to which the first CRC is added. Based on the embodiments of this application, the terminal device independently adds the first CRC to the buffer status report, and sends the second channel carrying the buffer status report to a network device, so that the network device learns arrival of data corresponding to the second channel at the terminal device. Therefore, the network device can pre-configure a resource for the data, thereby reducing a transmission latency of the data.

In some implementations, an apparatus may include a transmitter and one or more processors. The one or more processors may identify a plurality of resource units (RUs) used for transmitting respective data streams within one or more wireless channels. The one or more processors may determine, based at least on a difference in signal quality between transmissions across the plurality of RUs, respective target code rates for the plurality of RUs. The respective target code rates may be different from each other and different from a base code rate of a low density parity check (LDPC) code. The one or more processors may encode, by an LDPC encoder using the LDPC code with the base code rate, the respective data streams to generate respective encoded data streams at the respective target code rates. The transmitter may transmit the respective encoded data streams using the plurality of respective RUs.

This application discloses an encoding method, an apparatus, a communications device, and a communications system. The method includes: encoding an input bit sequence by using a low-density parity-check LDPC matrix, where a base graph of the LDPC matrix is represented by a matrix of m rows and n columns, m is an integer greater than or equal to 5, and n is an integer greater than or equal to 27; the base graph includes at least a submatrix A and a submatrix B; the submatrix A is a matrix of five rows and 22 columns; and the submatrix B is a matrix of five rows and five columns, and the submatrix B includes a column whose weight is 3 and a submatrix B' with a bidiagonal structure. According to the encoding method, the apparatus, the communications device, and the communications system in this application, encoding requirements of information bit sequences of a plurality of lengths can be supported.

This application provides a data scrambling method, a data descrambling method, and a related device. The method in embodiments of this application includes: first, generating a raw data frame, where the raw data frame includes raw data and a PSB; next, generating a preload pattern of a scrambler based on a target bit, where the target bit is a part of bits in an SFC value corresponding to the raw data frame; and further, scrambling the raw data based on the preload pattern to obtain target data. In this application, the raw data is scrambled, so that bits 0 and bits 1 in the scrambled target data are more evenly distributed. This reduces a possibility that consecutive bits 0 or bits 1 appear in the target data, thereby reducing a bit error rate at a data receiving end.

A transmission and reception PPDU according to the present specification may include a first control signal field and a second control signal field. Overflowed information from the first control signal field may include a first encoding block of a common field of the second control signal field. In addition, the common field of the second control signal field may include various numbers of encoding blocks and various numbers of RU allocation subfields on the basis of the characteristics of the transmission and reception PPDU. In addition, the overflowed information may be included in a plurality of content channels using various methods.

A collection of data that is extremely large can be difficult to search and / or analyze. Relevance may be dramatically improved by automatically classifying queries and web pages in useful categories, and using these classification scores as relevance features. A thorough approach may require building a large number of classifiers, corresponding to the various types of information, activities, and products. Creation of classifiers and schematizers is provided on large data sets. Exercising the classifiers and schematizers on hundreds of millions of items may expose value that is inherent to the data by adding usable meta-data. Some aspects include active labeling exploration, automatic regularization and cold start, scaling with the number of items and the number of classifiers, active featuring, and segmentation and schematization.

This invention belongs to the field of radiation dose monitoring technology and aims to solve the problems of incomplete dose data, slow radiation source location, and high power consumption of dosimeters caused by signal interruption. It provides a method and system for data transmission continuation, location tracing, and power consumption management of personal dosimeters. The system includes a data acquisition and encapsulation module for real-time acquisition of radiation data and encapsulation into radiation data packets; a data transmission module for transmitting radiation data packets to a server and receiving a two-level ACK response from the server; a disconnection detection module for determining whether the dosimeter has lost connection; a data caching module for caching radiation data packets generated when the dosimeter loses connection; and a data filtering and retransmission module for filtering out missing radiation data packets from the server and retransmitting them to the server. This invention enables the continuation of dose data transmission after disconnection in complex nuclear power environments, quickly locates radiation sources, and balances real-time performance with battery life requirements.

This invention discloses a transmission error correction method and system for the encoding MapReduce framework. The method addresses the transmission correctness problem in the Shuffle phase of encoding MapReduce. Based on the multicast characteristics within encoding MapReduce multicast groups, and by fully utilizing the redundant intermediate results inherent in each node, a novel distributed encoding scheme is designed. This scheme encodes and multicasts intermediate files on a multicast group basis, fully utilizing the computational redundancy introduced by encoding MapReduce while significantly reducing the redundant communication load caused by encoding error correction in the Shuffle phase. This results in a reduction of the total execution time of the MapReduce task for transmission error correction.

Methods, systems, and devices for wireless communications are described. A base station may configure uplink resources within a slot to enable a user equipment (UE) to transmit an acknowledgment (ACK) feedback message for multiple downlink semi-persistent scheduling (SPS) configurations. For example, the base station may transmit an additional configuration to the UE that indicates uplink resources that the UE can use to transmit acknowledgment feedbacks for multiple downlink messages received according to the SPS configurations, where the UE determines which uplink resource to use based on a number of acknowledgment information bits to be transmitted for the acknowledgment feedback message. For example, if the number of acknowledgment information bits is below a threshold value, the UE may use a first uplink resource configured by the base station. Alternatively, if the number of acknowledgment information bits is above the threshold value, the UE may use a second uplink resource.

A physical layer device includes a nibble combining module configured to receive a plurality of types of packets, wherein the plurality of types of packets include an even or odd number of nibbles and an even or odd starting boundary. The nibble combining module is configured to combine the nibbles of the plurality of types of packets into a plurality of bytes. An encoding module is configured to encode the plurality of bytes of the packet. A transmitter is configured to transmit the encoded plurality of bytes. Latency of the nibble combining module for the plurality of types of packets is the same.