544 results about "Time sensitive" patented technology

An adaptive adjustment method of packet-level transmission priority for delay guarantee in programmable networks. The method realizes the adaptive adjustment of packet-level transmission priority in programmable networks from three aspects to satisfy the preset transmission delay requirements, namely: adaptive adjustment of priority in programmable switches based on processing delay state and switch queuing state, adaptive adjustment of priority among programmable switches based on transmission delay in upstream switches, and adaptive adjustment of global parameters based on packet transmission delay satisfaction, so as to realize the packet-level transmission delay guarantee in different positions with different time scales. In addition, for a scene with a large number of time-sensitive flows, based on the optimization model and heuristic algorithm, the optimization deployment of time-sensitive flows can be realized in polynomial time under the condition of limited network resources to improve the overall extent of delay satisfaction.

According to embodiments, a UE receives, from a source cell, a mobility pre-configuration radio resource control (RRC) message for random-access channel (RACH)-less access. The mobility pre-configuration RRC message indicates target timing advance (TA) assistance information. The UE receives, from the source cell, a lower layer target access command. The lower layer target access command indicates a most updated or latest network-updated time sensitive dynamic TA assistance information. The UE determines a target cell TA of a target cell based on a latest source cell TA of the source cell, a latest measured timing difference between reference signals (RSs) from the source cell and from the target cell, the most updated or latest network-updated time sensitive dynamic TA assistance information, and the target TA assistance information. The UE performs the RACH-less mobility access to the target cell based on the target cell TA.

The invention relates to an AI server cooling water pump vibration quantity self-adaptive calibration test method and system, an intelligent test platform integrates a six-dimensional force sensor and a temperature compensation vibration exciter, the platform rigidity is automatically calibrated, a water pump-pipeline system transfer function is obtained, and a rotating speed-lift-modal frequency three-dimensional mathematical model is established; a three-axis MEMS accelerometer array is arranged at sensitive parts such as a water pump bearing seat and a motor shell, and vibration, current and pressure signals are synchronously collected; carrying out time-frequency domain signal processing by adopting variational mode decomposition in combination with self-adaptive S transformation, and extracting a 128-dimensional full-frequency domain feature vector containing a modulation side frequency band; effective values of vibration acceleration, speed and displacement are calculated through a frequency domain integration algorithm, and current harmonic interference is corrected through an electromagnetic vibration compensation model; and finally, a vibration health degree evaluation model containing 18 characteristic parameters is established based on a support vector machine, the test system comprises an intelligent test platform unit, a multi-source sensing unit, an edge calculation unit and a data management unit, and microsecond-level synchronous acquisition and GB-level data throughput are realized through a time sensitive network. And online incremental learning and automatic generation of a test report are supported. The method has the effect of improving the water pump vibration quantity test precision.

The invention relates to a cross-network time synchronization method oriented to AUTBUS and TSN fusion, and belongs to the field of network time synchronization. The invention aims to solve the problems that the traditional Ethernet cannot meet the time-sensitive application requirement and the scale of the TSN is limited and the like. According to the method, a time compensation value prediction algorithm is placed in an AUTBUS terminal, time delay values of all parts in the heterogeneous network are collected and predicted, and finally a prediction result is compensated to a local clock of the AUTBUS terminal, so that end-to-end time synchronization of the AUTBUS and TSN fusion network is realized. The method comprises the four steps of TSN intra-network time synchronization, gateway intra-network time synchronization, AUTBUS intra-network time synchronization and AUTBUS terminal time compensation, time delay data are predicted through a linear regression prediction algorithm, and synchronization precision and efficiency are improved. The method is suitable for the fields of intelligent manufacturing, industrial automation and the like, and an effective solution is provided for time synchronization of the heterogeneous network.

Techniques disclosed in the present disclosure relate to communication networks and methods for supporting time-sensitive deterministic communication based on a time-sensitive network (TSN) mechanism. A communication network may include a plurality of network domains in the communication network connecting each other, and a plurality of schedulers in the plurality of network domains. A respective of the plurality of schedulers may compute a local schedule for a respective of the plurality of network domains, and a first scheduler and a second scheduler of the plurality of schedulers may iteratively exchange a first local schedule and a second local schedule. The first local schedule and the second local schedule may include different cycle times. The first network domain may transmit interdomain ethernet link information related to a link connecting the first network domain and the second network domain, and intradomain schedule information related to the first local schedule.

The invention relates to the technical field of coal mine fully mechanized mining, in particular to a coal mine communication network system based on a time-sensitive network, and the system comprises a wired communication system, the backbone network of the wired communication system is composed of a plurality of TSN network switches which are in ring network topology connection, and the wired communication system is used for accessing coal mine equipment as a terminal to a TSN network; the wireless communication system is connected with the wired communication system, consists of wireless communication equipment compatible with a TSN protocol, and is used for accessing the coal mine equipment into a TSN network through wireless connection; a communication system based on a time sensitive network (TSN) is established, a real-time, determined and reliable communication network is provided for a coal mine production system, wired and wireless communication systems are adopted, the whole coal mine production control system is covered together, and the requirement of automatic control for data communication is met.

The invention provides a vehicle-mounted Ethernet physical simulation demonstration system and method based on a time sensitive network, the system comprises an Ethernet communication subsystem, a TSN communication subsystem and a simulation upper computer, a TSN protocol configuration module receives an instruction of the simulation upper computer through the Ethernet and dynamically adjusts protocol parameters; the vehicle-mounted Ethernet physical simulation demonstration system constructs a vehicle-mounted Ethernet physical topology through hardware nodes of the vehicle-mounted Ethernet physical simulation demonstration system, realizes protocol function verification in combination with the TSN communication subsystem, and realizes communication performance analysis, scheduling mechanism optimization and real-time performance test under multiple scenes through the simulation upper computer. Cooperative work and mutual compatibility of time-sensitive network scheduling algorithms are detected and verified, and a reliable simulation platform is provided for interconnection and intercommunication of a vehicle-mounted network architecture and access of equipment such as any sensor.

The invention relates to the technical field of time-sensitive networks, and particularly provides a round-robin queue forwarding scheduling model and method for mixed time-sensitive traffic, and a terminal. The circular queue forwarding scheduling model comprises a delay sensitive queue, a first time sensitive queue and a second time sensitive queue. The method comprises the following steps: creating two time slot systems; defining fixed injection time and a queue scheduling strategy for the time-triggered traffic; carrying out pre-scheduling planning according to the knowability of the time-triggered stream, and obtaining injection time corresponding to the time-triggered stream and a corresponding injection queue; and for the emergently arrived event trigger flow, incremental scheduling is carried out according to real-time link resources, and a suitable time slot is obtained for forwarding. According to the invention, the event trigger traffic and the time trigger traffic are placed in different queues, and the model designs a scheduling mode of the corresponding event trigger traffic, so that the isolation of traffic types is effectively realized, the scheduling and forwarding of the time sensitive traffic are optimized, and the network communication efficiency is enhanced.

The invention relates to a cross-domain clock synchronization method in a time sensitive network, and belongs to the technical field of time synchronization. The method comprises the following steps: establishing a multi-domain clock synchronization network topology based on a transit clock; the transit clock obtains main clock time according to the main domain synchronization message, carries out link delay measurement message interaction with adjacent equipment, records a corresponding timestamp and obtains link delay; transmitting the acquired main clock time, each timestamp and link delay to a synchronization error compensation prediction module in the transfer clock, calculating a clock time offset result by the synchronization error compensation prediction module, and predicting error compensation; frequency and phase adjustment is carried out on a local clock according to the calculated error compensation predicted value, a slave domain synchronization message is sent to adjacent slave clock equipment, and forwarding of the slave domain synchronization message and clock correction are carried out in sequence. According to the invention, accumulated errors such as jitter, time delay change and network congestion can be eliminated as much as possible.

One example method includes accessing at a Time-Aware Scheduler (TAS) of a Time-Sensitive Networking (TSN) network a plurality of data packets, where each data packet includes a data packet priority that defines an order for transmitting the plurality of data packets by the TSN network; grouping the plurality of data packets into a cluster according to the data packet priorities, the cluster identifying a first TSN network state; applying a first machine-learning model to the cluster to determine a TAS cycle policy that defines a timing schedule for data packet transmission in the TSN network; and providing the TAS cycle policy to components of the TSN network.

The invention relates to a trauma first-aid intervention time optimization management system and method based on multi-modal data fusion, and is suitable for high-timeliness trauma treatment scenes. The method comprises the following steps: S1, collecting and standardizing multi-source heterogeneous data from physiological monitoring, an image system, text recording and the like; s2, extracting each modal feature, and generating an intermediate semantic representation; s3, constructing a multi-mode cooperative control mechanism, and dynamically allocating a dominant mode and an auxiliary mode according to a TIPT task node state to realize semantic information intercommunication; s4, adjusting the fusion weight based on the time sensitivity score, and realizing adaptive regulation and control of modal fusion; s5, the task path scheduling module automatically starts a standby strategy when the key mode is missing or delayed, and task propulsion continuity is guaranteed; and S6, outputting diagnosis and treatment suggestions and performing task closed-loop feedback. The method can effectively improve the data fusion efficiency and decision reliability in the time-sensitive medical task, and has good clinical practicability and popularization prospects.

The invention discloses a priority scheduling method and device, electronic equipment, a storage medium and a program product, and relates to the technical field of communication. According to the specific implementation scheme, the method comprises the steps of determining a priority code point PCP queue of a fixed service and the sending time of the fixed service in the PCP queue through a user configuration module CUC in a time sensitive network TSN, and determining a gating configuration list corresponding to the PCP queue; determining a transmission performance index corresponding to the service characteristic of the dynamic service; and in a twin model of the TSN, according to the dynamic service and the transmission performance index, determining a PCP queue of the dynamic service and the sending time of the dynamic service in the PCP queue. The problem of distributing priority queues for services in a time sensitive network TSN is solved, high adaptability and robustness are achieved, the PCP queues in the TSN are efficiently utilized, meanwhile, the twinborn model is introduced, the complexity of PCP queue configuration is reduced, and resource waste is reduced.

The invention provides a task scheduling balancing method and device and a readable storage medium. The method comprises the steps of obtaining a to-be-scheduled task; according to the time information of the to-be-scheduled tasks, performing time-sensitive task combination on the to-be-scheduled tasks, and distributing the to-be-scheduled tasks to corresponding time windows; task duplicate removal processing is carried out on the to-be-scheduled tasks with the distributed time windows, and optimized to-be-scheduled tasks are obtained; and determining a corresponding task scheduling balancing strategy according to the optimized to-be-scheduled task. According to the invention, for a large-scale task processing system, intelligent decision making is carried out through accurate analysis and utilization of time parameters, and intelligent task combination is carried out in the time dimension, so that stable use of system resources is maintained, and the resource utilization rate is improved.

The invention discloses an industrial scene-oriented intelligent Agent system and an implementation method thereof, and the system comprises a user interaction layer which is used for providing a diversified interface and carrying out the communication with a back-end service through an API gateway; the intelligent layer is used for realizing task management, task planning and resource scheduling functions by adopting a micro-service architecture arranged based on a container; the physical equipment layer is used for being integrated with an upper-layer system through an industrial Internet of Things protocol and processing time-sensitive applications by adopting an edge computing technology; wherein the user interaction layer is bidirectionally connected with the body intelligent layer, and the body intelligent layer is bidirectionally connected with the physical equipment layer. According to the invention, a series of operations such as order analysis, material planning, production planning, task distribution, material preparation, production execution, quality control and exception handling can be autonomously carried out, manual intervention is greatly reduced, and the production efficiency is improved.

A wireless device may be configured to perform a method including receiving, from a time sensitive network (TSN) translator device, a TSN parameter. The wireless device may also send, to an access and mobility management function (AMF), a non-access stratum (NAS) message indicating a request to establish a protocol data unit (PDU) session comprising the one or more TSN parameters. The wireless device may receive, from the AMF, a message indicating acceptance of the PDU session.

A method, apparatus, and / or system for soft defects modeling of measurements using time-domain reflectometry. Electro-Optic Sampling based Time-Domain Reflectometry (EOS-TDR) may quickly detect soft defects in a chip under test. For example, EOS-TDR may detect soft defects in each pin from a trace-structure point at a relatively high resolution. To interpret the results in a time sensitive manner, a reference model for chips may be established from chips that are known to have met the expected quality standards. Through automated analysis of the features of the device under test waveform, soft defects of a chip may be detected that would be otherwise undetectable under time constraints, temperature variations, applied current variations, applied voltage variations, vibration variations, moisture variations, or any other kind of possible variation.

The invention discloses a retrieval enhancement generation method for a time-sensitive problem, which comprises the following steps of: mixed time perception retrieval: enhancing document retrieval by adding time constraint on the basis of semantic relevance, and guiding by a time card to ensure that the retrieved document not only conforms to the meaning of query, but also conforms to the semantic relevance; the time context is met; the progressive multi-step reflection comprises the following steps of: firstly, acquiring and evaluating an initial document set by applying mixed time perception retrieval; if a document is retrieved, generating a final answer by using a large language model; otherwise, entering a reflection stage, and summarizing useful time information in the retrieved document into a context; and merging document sets accumulated in all iterations to generate a final answer. According to the method, a new framework integrating dynamic knowledge updating and time reasoning into the retrieval and generation process is provided, and accurate and timely response can be made to time-related problems.

Systems and methods involving a hub platform, communication network, and memory configured for processing data involving time-stamped / time-sensitive aspects and other features are disclosed. In one example, an illustrative system may comprise a hub computer platform and associated computing components configured to generate a plurality of portals including at least first and second portals, including aspects such as automatically updating information displayed therein in real-time between portals, automatically attaching and / or processing timestamps and identifier information that are attached to orders upon receipt and acceptance thereof, automatically generating and / or processing order book data, generating, updating and / or interactively displaying various tabular and / or graphical information such as order information that is automatically processed based on timestamps and / or other inputs and data, and / or generating other GUI features that, for example, may graphically display and automatically update level-of-involvement information.

An electromechanical Smart Lock is unlocked by the Smart Lock timely receiving a time sensitive access-code that solves a cryptographic hash algorithm (e.g., SHA-3 or the like) running on that Smart Lock. To enable this functionality, the Smart Lock knows at least three items of information: status of a countdown timer, its cryptographic hash algorithm, and its unique identifier. Further, the Smart Lock may have various elements for receiving the time sensitive access-code, such as, but not limited to, a QR code camera, a barcode scanner, a camera, a microphone, a keypad, and / or optionally, an antenna(s) / radio(s) for RFID / NFC inputs to the Smart Lock. Server(s) may also know the same three items of information for each given Smart Lock; and the Server(s) may provide time sensitive access-codes to (authorized) user(s) and / or to their devices. Users may request, receive, and / or send the time sensitive access-codes via text messaging (or other elements).

A system includes a scheduling device of a data distribution service (DDS) that determines bandwidth for communication of time sensitive communications between devices using the DDS in a time sensitive network (TSN). The scheduling device determines available bandwidth for communication of non-time sensitive communications of the control system using the DDS in the TSN, and controls communication of both the time sensitive and non-time sensitive communications in the TSN. The system also includes a traffic shaper of the TSN that receives a communication change from the control system at the TSN. The scheduling device changes one or more of the bandwidth for the communication of the time sensitive communications or the available bandwidth for the communication of the non-time sensitive communications in the TSN without restarting at least one network device of the TSN and while ensuring communications of both the time sensitive communications and the non-time sensitive communications.

An apparatus and method for directly exposing, by user plane function / network side-time sensitive networking translator (UPF / NW-TT), event result information to time sensitive networking (TSN) or time sensitive communication time synchronization function (TSCTSF) through service interface (Nupf) in wireless communication system. A method of operating event processing for TSN or TSC includes: when policy control function (PCF) performs TSC event subscription, receiving TSC management and control information for direct reporting notification of event result from TSN-application function or TSCTSF and transmitting the TSC management and control information to session management function (SMF); regenerating the TSC management and control information and transmitting the regenerated TSC management and control information to UPF / NW-TT through N4 interface; and receiving the TSC management and control information from SMF, and when a corresponding event occurs, transmitting the TSC management information including the event result to a target in the control information through SBI.

This disclosure describes systems, methods, and devices related to performing Wi-Fi low-latency operations. A multi-link device (MLD) may generate a first physical layer (PHY) protocol data unit (PPDU); transmit, using a first station device of the MLD, the first PPDU during a transmission opportunity (TXOP) for the first station device of the MLD and a second station device of a second MLD; identify a frame received by the first station device after transmission of the first PPDU indicating a request for the second station device or a third station device to transmit time-sensitive data to the first station device; identify time-sensitive data received by the first station device after transmission of the first PPDU; transmit, using the first station device, an acknowledgement indicative of receipt of the time-sensitive data by the first station device; generate the second PPDU; and transmit, using the first station device, the second PPDU.

The invention relates to a time-sensitive queue priority scheduling method and device based on a data plane, and the method comprises the steps: receiving a data package, analyzing the data package, and obtaining network state information; calculating to obtain urgency parameters according to the network state information; presetting a priority threshold, and performing grade division on the data packet according to the urgency parameter to obtain a scheduling priority; and scheduling the data packet according to the scheduling priority. According to the invention, the real-time performance and the overall efficiency of network transmission are improved.

The invention discloses a service quality scheduling method, device and equipment, a medium and a product. The method comprises the following steps: mapping a logic channel to a corresponding node in a corresponding service quality priority matrix according to a service type of the logic channel to which a service flow of a user terminal belongs, and determining a time-sensitive priority updating strategy of the logic channel; determining a time-sensitive priority corresponding to the logic channel according to a time-sensitive priority updating strategy of the logic channel and a service parameter of a service flow corresponding to the logic channel; performing node updating on the corresponding service quality priority matrix according to the service volume change condition of the logic channel and the time-sensitive priority; and polling each node in each service quality priority matrix so as to determine and execute a corresponding resource scheduling strategy according to the matrix type of the service quality priority matrix to which the node belongs. The QoS scheduling of the wireless access network under the TSN and non-TSN mixed service multi-terminal scene can be realized.

The invention provides a traffic scheduling method and apparatus, an electronic device, a storage medium and a program product. The method comprises the steps of determining a plurality of to-be-trained tasks; determining the shortest completion time for training any one of the to-be-trained tasks, and performing queue allocation on any one of the to-be-trained tasks according to the shortest completion time; in response to determining that the queue of the to-be-trained tasks is allocated to the time-sensitive queue, determining a plurality of to-be-trained sub-tasks in the to-be-trained tasks, performing priority ranking on the plurality of to-be-trained sub-tasks, and determining the priority of any one of the to-be-trained sub-tasks; and carrying out bandwidth allocation on the to-be-trained task according to the priority to complete traffic scheduling. According to the method, the to-be-trained tasks are subjected to priority ranking, bandwidth allocation is performed on the to-be-trained tasks according to the priority ranking, and flow scheduling is completed, so that the overdue risk of time-sensitive tasks is reduced.

The invention provides a method for realizing a time sensitive protocol on a Wi-Fi network, which belongs to the technical field of wireless communication, and comprises the following steps: S1, identifying data packets to determine the priority of the data packets; s2, the data packets are distributed to queues with different priorities according to the priorities of the data packets, the data packets are transmitted according to the priorities of the queues, and the time-sensitive data packets are distributed to the queue with the highest priority; and S3, dynamically adjusting bandwidth allocation according to a real-time network state and application program requirements so as to ensure low-delay transmission of the time-sensitive data packet. According to the method, the data packets are identified, and the time-sensitive data packets are subjected to priority ranking, so that the data packets needing low delay are identified and preferentially processed; meanwhile, bandwidth allocation is dynamically adjusted according to the real-time network state and application program requirements, it is ensured that the time-sensitive data packet obtains necessary network resources to run in the optimal mode, and therefore low-delay transmission of the time-sensitive data packet is ensured, and the reliability of data transmission is improved.

Implementations of the present disclosure relate to a system for transmitting time-sensitive signals between an access point (AP) and a universal serial bus (USB) dongle device inserted into the AP. The AP is configured to generate a time-sensitive signal and comprises a modulator configured to obtain the TSS and two power voltages and modulate the TSS with the two power voltages to generate a modulated TSS. The USB dongle device operates at the same frequency as the AP and comprises a demodulator for demodulating the modulated TSS to obtain the demodulated TSS, wherein the modulated TSS is transmitted via a power supply pin at the USB interface of the AP and a power reception pin of the USB dongle device. In this manner, the delay of the demodulated TSS relative to the original TSS can be low, fixed, and measurable.

The invention relates to the technical field of high-precision motion control, and discloses a multi-axis nanoscale real-time synchronous control system and method based on heterogeneous computing cooperation. The system adopts a space-time separation architecture of an AM5728 processor and an FPGA (Field Programmable Gate Array); the FPGA is used as a time sensitive layer; nanosecond synchronous acquisition of data of a multi-axis sensor and strict synchronous output of a control signal are realized through a global clock network; a double-DSP core of the AM5728 serves as a calculation dense layer, and parallel calculation of a multi-axis control algorithm is executed. Low-latency interaction of instructions and data is achieved through an optimized PCIe / GPMC interface. Under a clock taming mechanism, the synchronization error of the multi-axis control signal is obviously reduced, and the positioning precision is obviously improved. According to the scheme, the problem of real-time cooperative control of a multi-axis system in the fields of semiconductor manufacturing and the like is solved, and the cost is greatly reduced compared with a traditional architecture.

The invention relates to the technical field of satellite time-sensitive network communication, in particular to a time-sensitive traffic scheduling method for joint routing in a satellite scene. According to the method, the joint routing algorithm is introduced into the low-orbit satellite network, so that efficient scheduling and path optimization of time-sensitive traffic are realized. In the initial configuration stage, path calculation and time slot resource allocation are carried out by using a particle swarm optimization algorithm so as to maximize the transmission efficiency of the time-sensitive flow. And in the real-time correction stage, a time slot margin and priority adjustment mechanism is dynamically monitored to adapt to frequently changing satellite link conditions, and stable transmission of traffic is ensured. According to the method, the problems of time delay and flow conflict caused by instability of a satellite link are effectively solved, and the service quality and the system performance of a satellite network are improved.

Techniques for enhancing performance in Industrial Internet-of-Things (IIoT) scenarios, including techniques for time-sensitive networking (TSN) and 5G wireless network integration. An example method, performed by a wireless device, comprises receiving system information (SI) from a radio base station (RBS) of a radio access network (RAN), the SI being indicative of support for TSN through the RBS, and establishing at least one TSN stream with an external data network, through the RBS. The example method further includes receiving a first timing signal from the wireless communications network, via the RBS, receiving a second timing signal from the external TSN data network to which the wireless device is connected, comparing the first timing signal to the second timing signal to determine an offset, and transmitting the offset to the wireless communications network.