418 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.

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.

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.

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.

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.

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).

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.

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.

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.

The invention belongs to the technical field of data security, and provides a data transmission encryption method and system. The method comprises the following steps: analyzing a hard disk data transmission request to obtain a transmission identifier, calculating a time sensitivity coefficient and determining a transmission priority; determining a key fusion tree and a hybrid encryption key based on the coefficients and the priorities; performing block processing on the data transmission object; matching and encrypting the data block and the encryption key, and calculating an integrity check value; and adjusting the key according to the change of the time sensitivity coefficient and regenerating a verification value to form a transmission log. According to the invention, the data transmission security and efficiency are improved, and the data integrity verification capability is enhanced.

A method for configuring a service flow attribute, an apparatus, and a system are provided. A first network element receives a time window of time sensitive communication assistance container burst arrival time of a first service flow and obtains an offset of time sensitive communication assistance information burst arrival time of the first service flow based on the time window. Then, the first network element determines attribute information of the first service flow based on the offset and sends the attribute information to a second network element.

A transmitter at a first location transmits the message at a symbol rate of the reference clock using a first carrier, whose phase is locked to a phase of the reference clock and whose frequency is a first integer times a frequency of the reference clock. It also transmits the message at the symbol rate of the reference clock using a second carrier, whose phase is locked to the phase of the reference clock and whose frequency is a second integer times the frequency of the reference clock. The second integer is unequal to the first integer. A receiver at a second location receives the message at the first carrier and at the second carrier, and accurately determines a time of a first phase difference between the first carrier and the second carrier. It determines a time of receiving the message from the time of the first phase difference.

Systems, apparatus, articles of manufacture, and methods are disclosed for virtual execution environments and interface circuitry in time-sensitive networking. An example compute device includes interface circuitry, machine-readable instructions, and at least one programmable circuit to be programmed by the machine-readable instructions. The example at least one programmable circuit is to be programmed execute a first application for a time-sensitive network (TSN) in a first virtual execution environment (VEE) and execute a second application for the TSN in a second VEE. Additionally, the example at least one programmable circuit is to cause first real-time traffic to be sent from the first application to the interface circuitry based on a first schedule and cause second real-time traffic to be sent from the second application to the interface circuitry based on a second schedule such that transmission of the first real-time traffic does not occur at the same time as transmission of the second real-time traffic.

Methods and systems are presented for providing a framework for facilitating time-sensitive cryptocurrency transactions for users. When a request for processing a time-sensitive cryptocurrency transaction using funds from a cryptocurrency wallet is received from a user, a transaction system first verifies whether the cryptocurrency wallet has a balance to cover the cryptocurrency transaction. The transaction system also verifies the ownership of the cryptocurrency wallet based on an asynchronous method. The user generates verification data without any input from the transaction system, and based on a private key associated with the cryptocurrency wallet, a generator function, and a user-generated value. Without knowing the user-generated value, the transaction system verifies the ownership of the cryptocurrency wallet based on the verification data, and processes the transaction for the user.

Provided are a time synchronization method using 5G reference time distribution and a network entity performing the same. The time synchronization method may include receiving, by a time sensitive communication time synchronization function (TSCTSF), a 5G reference time distribution request including time synchronization parameter values from an application function (AF); performing, by the TSCTSF, policy modification; and transmitting, by the TSCTSF, a setting of the 5G reference time distribution to the AF.

Various aspects of the present disclosure relate to a UE configured to establish a logical channel for an uplink transmission of uplink data in response to a configuration comprising a logical channel priority for the logical channel received from a network entity, in response to a downlink control signal indicating uplink resources allocated for an initial transmission, determine a priority value for the logical channel based on the logical channel priority and a first parameter associated with the uplink data, and assign, by the medium access control layer, resources allocated by the downlink control signal to the logical channel based on at least the determined priority value. The UE may adapt the logical channel priority to meet QOS requirements of time sensitive applications.

The invention discloses a carrier rocket avionics system based on a TSN (Time Sensitive Network) and a carrier rocket avionics data transmission method, and belongs to the technical field of carrier rocket control. A network is physically or logically divided into a periodic time-sensitive data stream, a high-speed time-sensitive data stream and a best effort data stream, the three data streams are subjected to isolation management, and transparent interconnection between a 1553B bus network and a TSN switching network is realized on a protocol layer through an intelligent protocol conversion gateway. Meanwhile, in a network management layer, through an instruction response type configuration protocol, common Ethernet equipment is seamlessly incorporated into the global scheduling and control category of the TSN network. According to the invention, by constructing the avionics network system with three-layer partition and dual-network fusion, multi-network seamless fusion on the rocket can be realized, the real-time performance of the network is improved, and the key requirements of rocket recovery are met.

Path-specific delay variations in a computer communication network between a time-sensitive nexus node and time-sensitive non-nexus nodes are determined. The time-sensitive nexus node determines, based on the path-specific delay variations, copy-specific delay alignment compensations for copies of a multi-destination communication packet to be sent by the time-sensitive nexus node to the time-sensitive non-nexus nodes respectively. The time-sensitive nexus node uses the per-copy delay alignment compensations to perform per-copy delay alignment operations with respect to the copies of the multi-destination communication packet. The time-sensitive nexus node sends each copy in the copies of the multi-destination communication packet to a respective time-sensitive non-nexus node in the time-sensitive non-nexus nodes after a respective per-copy delay alignment operation in the per-copy delay alignment operations is performed for the copy of the multi-destination communication packet.

The present disclosure relates wireless communication, more particularly to systems and methods for enabling self-organizing networks in an Open Radio Access Network (O-RAN). A system via Near-RT RIC assigns at least one of one or more time-sensitive SON functional elements and one or more time-sensitive RRM functional elements in at least one of the Near-RT RIC and the EMS entity associated with the SMO module. The system via a Near-RT RIC may assign at least one of one or more time-sensitive SON functional elements and one or more time-sensitive RRM functional elements in at least one of the Near-RT RIC and the EMS entity associated with the SMO module. The Near-RT RIC may access via at least one of the xAPPs associated with the O-RAN and the EMN entity or the NMS entity, one or more Performance Monitoring (PM) counters, by requesting respective E2 Nodes via the E2 interface or via the O1 interface, respectively.

The present disclosure provides techniques for controlling transmissions in time-sensitive networks (TSNs) and / or for time-sensitive applications (TSAs), including techniques for providing low latency and scalable gate control for TSNs and TSAs, configuring multiple TSAs to share the same physical network link, and enabling TSNs / TSAs to utilize Energy Efficient Ethernet (EEE) mechanisms.

The invention discloses an industrial task unloading optimization method integrating edge computing and a time sensitive network. According to the method, a TAS in a TSN is introduced to reduce time delay and jitter in task transmission; the method comprises the following steps: firstly, determining unloading selection of a task in a current time slot and a transmission power control decision through an MAPPO algorithm, and adjusting priority distribution in a reward function according to a deadline of a task flow; and then, a convex optimization method is introduced to allocate required computing resources for the task flow according to the decision results, and energy consumption optimization is carried out. The method has the advantages that the respective advantages of the EC and the TSN are utilized, and the designed algorithm not only can process the dynamic task unloading and computing resource allocation problems of heterogeneous tasks, but also can optimize the average total time delay and energy consumption of the system while ensuring that high-priority tasks are completed.

An extended reality and media (XRM) service processing method, performed by a time-sensitive communication and time synchronization function (TSCTSF), includes: receiving a session creation request from an application function (AF), where the session creation request includes a synchronization indication and an XRM group identifier; and sending the synchronization indication and the XRM group identifier to a policy control function (PCF).