110 results about "Network code" patented technology

The invention discloses a hydropower station water level detection method and system. The method comprises the steps that an original water flow characteristic parameter set is obtained through multiple sets of Doppler effect radar flow measuring devices; performing segmentation extraction to obtain a water flow feature sub-data set; inputting a Transform network coding layer to generate a water flow feature coding vector; outputting a preliminary water level predicted value sequence through a decoding layer; a radar flow measurement model is called for correction to obtain a correction sequence; time sequence integration is carried out to obtain a water level change curve. The system comprises a multi-source Doppler radar signal acquisition unit, a spatial-temporal feature segmentation extraction unit, a Transform coding processing unit, a water level preliminary prediction unit, a radar model correction unit and a time sequence integration output unit. According to the method and system, multi-source parameters are deeply fused, the environmental adaptability is improved, the continuity and reliability of a detection result are enhanced, the water level of the hydropower station can be accurately monitored, and support is provided for scheduling decision and safety prevention and control.

The invention discloses a heterogeneous network embedding method based on dynamic heterogeneous network decomposition and a hierarchical space-time attention mechanism. The method comprises the following steps: dynamic network decomposition: decomposing a heterogeneous network sequence into independent subgraph sets according to edge types; multi-order node attention aggregation: for each sub-graph, fusing information of nodes and different edge types; semantic level attention is embedded, wherein global semantic embedding is generated in combination with global relation type weight and meta-path long-short-term memory network coding; time dynamic modeling: respectively calculating a time attention weight and a Monte Carlo sampling approximate Horkes intensity, and then aggregating and splicing results of the time attention weight and the Monte Carlo sampling approximate Horkes intensity to obtain a final embedding result. According to the method, through cross-granularity semantic modeling and efficient time sequence dependence learning, an innovative solution is provided for node representation of the dynamic heterogeneous network.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, configuration information indicating that network coding is enabled for initial transmissions associated with a multicast / broadcast service (MBS) and indicating that network coding is enabled for retransmissions associated with the MBS. The UE may receive, via a multicast traffic channel or a dedicated traffic channel, an initial transmission associated with the MBS, wherein the initial transmission is associated with a first set of encoded packets. The UE may transmit a radio link control (RLC) status feedback message associated with the initial transmission. The UE may receive, via the multicast traffic channel or the dedicated traffic channel, a retransmission associated with the initial transmission, wherein the retransmission is associated with a second set of encoded packets. Numerous other aspects are described.

The invention discloses a power dispatching master station robot autonomous inspection method and system based on SLAM and multi-mode perception. The method comprises the following steps: performing SLAM joint estimation through data fusion of a 3D LiDAR, a visual sensor and an IMU, performing inter-frame pose solution based on three-dimensional point set matching by adopting coordinate alignment and scale recovery, and introducing the IMU to perform cross-sensor consistency verification and adaptive pose optimization so as to solve the problem of positioning drift in a complex scene; meanwhile, natural language instructions are coded through a GRU network, visual features are extracted in combination with a residual network with an attention mechanism, time sequence fusion and modeling are carried out, and autonomous navigation decision making in a dynamic environment is achieved. The system comprises a corresponding SLAM estimation module, a multi-modal fusion decision module and an execution mechanism. According to the method, the positioning robustness, the navigation precision and the task adaptive capacity in the complex environment of the power dispatching master station are remarkably improved.

The invention discloses an unmanned aerial vehicle network multipath selection and network coding redundancy transmission method. The method comprises the following steps that each unmanned aerial vehicle carries out node state perception and link prediction; the source node initiates a multi-path routing discovery process based on the extended AOMDV routing protocol, performs path quality measurement, and selects a plurality of paths with the highest path quality as active transmission paths; the source node divides an original data block to be sent into a plurality of original data packets and encodes the original data packets respectively; performing optimal distribution based on a water injection algorithm; data forwarding and decoding receiving are carried out according to an optimal distribution result; and continuously detecting that the link communication actively triggers the maintenance process before the link is actually broken. According to the method, high-reliability, low-delay and energy-balanced data transmission is realized in a highly dynamic unmanned aerial vehicle network through a rigorous evaluation and optimization system, and the overall survival time of the network is effectively prolonged; and predictive route maintenance and fast route switching are carried out through the extended routing table.

Vector network coding, such as linear network coding, is used to compute a plurality of coded data parts from original data, wherein each coded data part is computed from a cryptographic hash function of a previous coded data part. A recipient of the coded data parts can compute the cryptographic hash functions of the coded data to reproduce a system of linear equations, which can be solved to recover the original data. A cryptographic key that employs a polynomial over a finite field can have polynomial coefficients that comprise a function of vector network coding coefficients.

The invention discloses a self-adaptive anti-monitoring communication system, and relates to the technical field of communication security. The system comprises a multi-dimensional fusion sensing module, a dynamic adaptation engine, an encryption communication subsystem and a verification feedback module. The innovation points are that the monitoring situation is accurately researched and judged through multi-source information fusion, a communication parameter and an encryption strategy are dynamically matched based on a research and judgment result, a transmission mechanism combining improved adaptive frequency hopping and dynamic network coding is adopted, and meanwhile, a key dynamic updating and identity bidirectional verification system is constructed. The problems that in the prior art, self-adaptive adjustment is poor in pertinence, encryption and transmission efficiency is unbalanced, and anti-monitoring scene adaptation is single are solved, collaborative optimization of monitoring risk perception, dynamic defense and communication quality is achieved, and the safety and reliability of communication in the complex electromagnetic environment are improved.

A data processing method and apparatus are disclosed, which may be applied to communication systems such as 5G and 6G. The method includes: obtaining an extended first codebook based on a second codebook by increasing a quantity of codewords or lengths of codewords, and performing first network coding or decoding based on the first codebook. Linear independence between codewords in the extended first codebook may be ensured as much as possible, so as to generate more valid redundant packets or check packets, thereby improving system reliability. Alternatively, flexible block lengths are supported, so as to perform efficient network coding or decoding on more original data packets, thereby improving system spectral efficiency. This application may be applied to an extended reality XR service or another low-delay service.

An electronic device includes a communication processor and a memory. The communication processor may be configured to cause the electronic device to: detect at least one satellite network based on the reception of at least one system information block (SIB); generate a PLMN list including at least one PLMN; determine the service time of each of a plurality of non-terrestrial wireless communication devices included in the PLMN list based on satellite data stored on the memory; and determine the priorities of the plurality of non-terrestrial wireless communication devices based on the determined service times, wherein the satellite data includes at least one of a mobile country code (MCC), a mobile network code (MNC), a mobile network code (TAI), a cell ID, and / or information about the service type of a service provided by the satellite network.

A program, method, architecture, apparatus, system, apparatus, and computer program product including a wireless transmit / receive unit (WTRU) configured to: obtain a plurality of protocol data units (PDUs) including network encoded processing data; associating information including a first identifier of the first PDU set with a first PDU of the plurality of PDUs; associating information including a second identifier of a second PDU set with a second PDU of the plurality of PDUs; transmitting the first PDU via the first bearer based on the first identifier; and transmitting the second PDU via the second bearer based on the second identifier.

The present application provides a method and apparatus for cross-network converged transmission based on network coding and relates to the field of communication technologies. The method initially includes selecting an encoding method based on an application type and encoding original packets to obtain a plurality of to-be-transmitted packets. A network status is obtained and a scheduling scheme is determined based on the network status. Weights of links for transmitting the plurality of to-be-transmitted packets are adjusted based on the scheduling scheme. In the present application, the encoding method is selected based on the application type such that cross-network converged transmission can be completed based on network coding. This reduces latency while improving data transmission bandwidth.

The application belongs to the field of blockchain underlying architecture and application cryptography technology, and specifically discloses a Byzantine consensus method and system based on authentication network coding and adaptive propagation, which comprises the following steps: dividing all network nodes into multiple clusters, and unicasting block proposals to cluster sink nodes; cutting the block proposal into multiple source fragments and generating authentication source symbols, and generating coding packets by linear combination of the authentication source symbols; the normal nodes in the cluster accumulate linearly independent packets by rank detection, recover the authentication source symbols when the decoding matrix is full rank, and perform anti-pollution batch verification, if the verification is passed, generate a local voting message and send it to the cluster sink node; the cluster sink nodes generate cluster certificates and exchange the cluster certificates among the sink nodes, and when the cumulative node weight represented by the cluster certificate meets the preset consensus threshold, the global Byzantine consensus is reached. The application solves the problems of expensive cross-agency physical bandwidth, communication message storm and algebraic pollution attack specific to the network coding environment.

The application discloses a kind of based on graph coding's diagnosis and surgical matching check method and system, the method includes: obtaining the diagnosis data and surgical plan data of target object;Based on feature extraction algorithm, extract the diagnosis change feature and surgical step feature in the diagnosis data and the surgical plan data;Based on graph network coding algorithm, the diagnosis change feature and surgical step feature are encoded into corresponding node relationship graph;The node relationship graph is input into trained graph neural network to obtain the matching degree parameter of output diagnosis and surgical plan.It can be seen that the present application can realize accurate medical diagnosis and surgery matching evaluation based on graph structure feature association, improve the scientificity and adaptability of surgical plan selection, reduce the surgical risk and treatment deviation caused by mismatch between scheme and diagnosis.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products using wireless transmit / receive unit (WTRU) configured for receiving configuration information indicating a minimum number of network coded packet required to recover a network coding generation; receiving a network coded packet, wherein the network coded packet comprises information indicating a network coding generation; determining that a trigger condition is met based on the configuration information; and sending a status report, based on the trigger condition being met, wherein the status report comprises information indicating a number of network coded packets received.

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.

This invention proposes a concise application scheme for multicast networks that integrates network coding, data encryption, and authentication. The scheme maintains high network coding efficiency while ensuring information security. The specific process is as follows: Unencrypted messages transmitted in the network are encrypted. When an intermediate node receives an encrypted message, it determines whether to forward it directly. If forwarded directly, the message is decrypted and re-encrypted. If the message needs to be "mixed" at the node, it is decrypted, mixed, and then forwarded. To ensure the correctness of node encryption and decryption, MAC verification is used.

The application discloses a code segment processing method and device, a storage medium and equipment. The method comprises the following steps: setting an interactive control associated with a code editing area in a network code editor; in response to a triggering operation on the interactive control, determining a target code segment to which a cursor belongs, and acquiring a starting line and an ending line of the target code segment in the network code editor; and based on the network code editor, visually highlighting and displaying the target code in the starting line to the ending line. By associating the interactive control with the code editing area in the network code editor and determining the target code segment in response to the triggering operation on the interactive control, the target code segment is visually highlighted and displayed, which significantly improves the convenience, accuracy, response speed and fault tolerance of the user in locating and identifying the code segment.

Aspects presented herein may improve latency and power consumption of communications by enabling a wireless device to apply external coding (OC) (using forward error correction (FEC)) to a transmission. In one aspect, a wireless device segments each packet data convergence protocol (PDCP) packet of a plurality of PDCP packets into a set of OC symbols, where the plurality of PDCP packets correspond to a packet data unit (PDU) set. The wireless device assembles a plurality of sets of OC symbols into an OC block. The wireless device applies FEC coding to the OC block. The wireless device outputs the OC block based on the FEC encoding. In some examples, the wireless device also adds an OC header to the OC block, where the OC header includes a symbol size, a set of source symbols, and / or a symbol index associated with FEC coding.

The application discloses a kind of digital hybrid coding methods based on large model, including the following steps: S1, pre-processing to be encoded data;S2, feature learning method driven by diffusion model is used to feature coding to pre-processing data;S3, neural network coding is carried out to feature coding data, and based on variable bit rate quantization method dynamically adjusts encoding bit number;S4, adaptive entropy coding is carried out to neural network coding data, based on normalized stream entropy coding method carries out probability density transformation;S5, discrete transform coding is carried out to entropy coding data, and hierarchical sub-block quantization method is used to execute hierarchical quantization to different frequency components;S6, based on A3C optimization transform coding data's code length distribution and entropy coding parameter, extract lightweight coding model from diffusion model using knowledge distillation method, generate final optimization coding data.The application improves data compression efficiency and coding quality significantly by hybrid coding and dynamic optimization strategy.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products for managing a NC process. In certain representative embodiments, a wireless transmit / receive unit (WTRU) may receive a Network Coding (NC) configuration from a network. The WTRU may receive a first protocol data unit (PDU) of a NC PDU set. The WTRU may associate the first PDU with a NC process based on header information. The NC process may successfully decode using the first PDU. The WTRU may receive a second PDU of the NC PDU set. The WTRU may discard the second PDU based on the second PDU being received within a NC process success release time duration from a time of the successful decoding of the NC process. The WTRU may release the NC process based on lapsing of the NC process success release time duration from a time of the successful decoding of the NC process.

Apparatus, methods, and computer-readable media for network coding for dual connectivity are disclosed herein. A base station (BS) sends encoded symbols from a first network coding layer to a first radio link control (RLC) layer and transmits, to a user equipment (UE), encoded data comprising the encoded symbols. The BS also transmits encoded data to a road side unit (RSU) for passing to the UE as a split transmission. The UE can receive encoded packets from the BS and RSU at a network coding layer via a second RLC layer. The UE recovers source packets from the encoded packets with a rateless network code at the network coding layer. The UE sequences the source packets into an ordered set of source packets at the network coding layer and sends the ordered set of source packets from the network coding layer to a packet data convergence protocol layer for processing.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to another UE, a set of encoded packets associated with a vehicle-to-everything (V2X) communication, wherein the set of encoded packets are generated according to a network coding scheme, transmit, to a relay device, the set of encoded packets associated with the V2X communication, and receive, from the relay device, an acknowledgment message based at least in part on transmitting, to the relay device, the set of encoded packets associated with the V2X communication. Numerous other aspects are provided.

The application provides a face image privacy protection recognition method based on optical coding and reverse feature enhancement, and relates to the technical field of computer vision recognition, and the method comprises the following steps: S1, acquiring a face data set, performing data enhancement, and constructing a face enhanced data set; S2, constructing a binary neural network convolution coding layer based on a straight-through estimator quantization, and performing optical coding on the face enhanced data set; S3, constructing a CNN and Transformer dual-channel multiplexing reverse feature enhancement neural network model, and performing feature dimension enhancement; S4, using a hybrid constraint, and jointly optimizing the neural network coding layer and the dual-channel multiplexing reverse feature enhancement neural network model; and S5, constructing a face embedding database, comparing a high-dimensional coding value of a single-pixel detection value with features in the face embedding database, and realizing face recognition. The application jointly optimizes the neural network binary convolution coding layer for spatial light modulator optical coding and the dual-channel multiplexing reverse feature enhancement model, so that the recognition precision is improved.

The invention relates to the technical field of communication, in particular to a network coding method, communication equipment and a storage medium, and the network coding method comprises the following steps: carrying out network coding on a first data packet to generate at least one second data packet; wherein the packet header of the second data packet comprises a field used for indicating first information related to the network code, the first information comprises a serial number and a first index, the serial number is used for indicating the second data packet belonging to the same network code, and the first index is used for indicating the second data packet belonging to the same network code. The first index is used for indicating the sequence of the second data packet in the generated at least one second data packet; and sending the at least one second data packet to a second communication device.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products for managing a NC process. In certain representative embodiments, a wireless transmit / receive unit (WTRU) may receive a Network Coding (NC) configuration from a network. The WTRU may receive a first protocol data unit (PDU) of a NC PDU set. The WTRU may associate the first PDU with a NC process based on header information. The NC process may successfully decode using the first PDU. The WTRU may receive a second PDU of the NC PDU set. The WTRU may discard the second PDU based on the second PDU being received within a NC process success release time duration from a time of the successful decoding of the NC process. The WTRU may release the NC process based on lapsing of the NC process success release time duration from a time of the successful decoding of the NC process.

An apparatus may be configured to generate a set of parity bits for a set of data packets associated with an application; generating an encoded data transmission associated with the UPF, the encoded data transmission comprising a set of data packets and the generated set of parity bits; and outputting the encoded data transmission for a receiving device associated with the application. An apparatus may be configured to obtain an encoded data transmission associated with a UPF, the encoded data transmission comprising a first plurality of bits associated with a set of data packets associated with an application and a second plurality of bits associated with a set of parity bits based on the set of data packets; decoding the encoded data transmission to generate a set of data packets; and outputting the set of data packets for one of an application client or an application server associated with the application.

The application relates to a mixed network coding and decoding technology, and discloses a low-complexity coding and decoding method, device and equipment for an SCMA-D2D network, which comprises the following steps: generating a connection factor matrix according to user information of SCMA cellular users and D2D users and spectrum resource blocks, and generating a connection factor graph according to the connection factor matrix; constructing a code word generator according to the connection factor graph, and calculating code words corresponding to the user information by using the code word generator; generating mixed network signal data according to the code words corresponding to the user information and the spectrum resource blocks; inputting the mixed network signal data after being transmitted through a Gaussian channel into a relay network to obtain relay signal data, and broadcasting the relay signal data to receiving ends corresponding to the SCMA cellular users and the D2D users; and after the relay signal data is received at the receiving ends, decoding the relay signal data by using a multi-user classification decoder to obtain decoding information. The application can improve the precision of multi-user decoding and reduce the complexity of coding and decoding.

A method, implemented in a WTRU is described herein. The method may include receiving configuration information associated with one or more network coding generations, determining that at least one condition to trigger a status report request may be satisfied for at least one network coding generation, sending the status report request based on the at least one condition being satisfied for the at least one network coding generation, receiving a status report including information associated with the at least one network coding generation and transmitting at least one network coded packet generated using the at least one network coding generation based on the status report and the configuration information. In various embodiments, the at least one network coded packet may include at least one additional network coded packet to be transmitted for the at least one network coding generation.

Described herein are systems and methods that use network coding to increase the number of transport blocks (TBs) in flight beyond a limit defined by a wireless networking standard, such as 5G. Also described is a method for choosing a modulation and coding scheme (MCS) which reduces and ideally minimizes TB service time when paired with the use of network coding.