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579 results about "Dynamic switching" patented technology

Multi-protocol dynamic switching method and system based on FPGA

The invention relates to the field of electronic communication, and provides a multi-protocol dynamic switching method and system based on an FPGA. The method comprises the following steps: carrying out regional division on an FPGA chip through a layout planning tool to obtain a static logic region and a plurality of reconfigurable logic partitions; performing hanging processing on the current protocol module based on the protocol switching trigger signal, and writing running state data of the current protocol module into a state cache unit to obtain protocol context snapshot data; according to the target protocol type, bit stream loading is carried out on the corresponding reconfigurable logic partition through configuration of an access port, and a reconfiguration protocol module is obtained; and reading protocol context snapshot data, and performing state recovery on the reconstruction protocol module to obtain a target protocol data path. According to the invention, rapid protocol switching is realized, the utilization rate of hardware resources is improved, and the system deployment cost is reduced.
Owner:TIANJIN JINHANG COMP TECH RES INST

Multi-mode communication module for deep integration of low-altitude aircraft and ground network and networking and dynamic switching method thereof

The invention discloses a multi-mode communication module oriented to deep integration of a low-altitude aircraft and a ground network and a networking and dynamic switching method thereof, relates to the technical field of low-altitude aircraft communication, and discloses a networking and dynamic switching method of the multi-mode communication module oriented to deep integration of the low-altitude aircraft and the ground network and the multi-mode communication module. Through dynamic threshold calculation, a pre-switching prediction model and an FPGA hard trigger mechanism, intelligent communication resource allocation based on the real-time state and environment change of the aircraft is realized, and dual-mode switching is quickly triggered when the link quality is reduced or a blind area is predicted to be entered. The problems that a traditional communication mode is poor in stability and low in switching efficiency in a complex low-altitude environment are effectively solved, the communication reliability can be improved, and the data transmission continuity can be guaranteed.
Owner:北京桃花依旧科技有限公司

Transmission control and intelligent scheduling system for integrated chip

The invention relates to the technical field of integrated circuits and computer networks, and particularly discloses a transmission control and intelligent scheduling system for an integrated chip, and the system sets a dual-mode decision and dynamic switching mechanism for each routing node. Calculating dynamic characteristic parameters including an instantaneous value, a first-order trend and a second-order acceleration; when the parameter is matched with a pre-stored abnormal feature set and the load exceeds a threshold value, the node is immediately atomized and switched to a predefined security scheduling strategy loaded from a shared storage area, and otherwise, the node generates a scheduling decision according to self-adaptive decision logic continuously optimized based on historical performance feedback; all the nodes carry out data packet forwarding control according to the current execution strategy; and the system also periodically realizes federated global knowledge evolution according to the quality evaluation result of the self-adaptive decision of each node.
Owner:XINFENG PHOTOELECTRIC TECH (SHENZHEN) CO LTD

Localized large-scale language model service method and related equipment

The embodiment of the invention provides a localized large-scale language model service method and related equipment. The localized large-scale language model service method comprises the following steps: acquiring a request load index of an inference service in real time; according to the request load index, a five-dimensional parallelism strategy is determined in a calculation iteration period, and the five-dimensional parallelism strategy comprises parallelism degrees of five dimensions including data parallelism degree, tensor parallelism degree, pipeline parallelism degree, sequence parallelism degree and expert parallelism degree; and reconstructing the parallel execution mode of the current service into the five-dimensional parallel strategy without interruption, and executing the five-dimensional parallel strategy. According to the technical scheme provided by the embodiment of the invention, the system can be dynamically switched among a plurality of parallel dimensions under the condition of load fluctuation, and the overall calculation cost is minimized on the premise of ensuring the service quality.
Owner:SHANGHAI QINGCHENG JIZHI TECHNOLOGY CO LTD

USB-A interface and serial port dynamic switching and protection system based on analog switch

The invention relates to the technical field of communication, in particular to a USB-A interface and serial port dynamic switching and protection system based on an analog switch. Comprising a main control unit, the main control unit is used for planning dynamic switching and conflict coordination of a USB-A interface and a serial port as a whole, generating a conflict-free channel switching control instruction by integrating a dynamic priority scheduling algorithm and combining a USB data transmission real-time load, a serial port communication request emergency degree and a device historical interaction record fed back by a state detection unit, and sending the conflict-free channel switching control instruction to the state detection unit; the analog switch unit is driven to complete channel gating; an analog switch unit; a grading protection unit; a protocol adaptation unit; and a state detection unit. Priority scheduling is carried out by means of the main control unit in combination with multi-dimensional parameters such as the transmission load of the USB-A interface and the communication emergency degree of the serial port UART, communication channels of the USB-A interface and the serial port can be flexibly switched, the flexibility and adaptability of interface switching are enhanced, and the problem of switching limitation caused by a single triggering condition is solved.
Owner:BEIJING SATECOMM SCI & TECH CO LTD

Ground-non-ground fusion network high-speed terminal seamless switching method and system based on trajectory prediction and resource pre-reservation

The invention discloses a seamless switching method and system for a high-speed terminal of a ground-non-ground convergence network based on trajectory prediction and resource pre-reservation, and belongs to the technical field of space-ground convergence communication. The core of the method is that a switching area is accurately judged through bidirectional motion prediction of a terminal and an NTN node; a dynamic switching window is calculated in a self-adaptive mode by combining factors such as terminal speed and network time delay; intelligently selecting an optimal target link by using an AI enabled link scoring model; and cooperative pre-reservation and uplink and downlink synchronization of resources are completed before the window. The method has the advantages that the problem of failure of traditional RSRP judgment in an NTN dynamic environment is solved, the switching success rate and prediction accuracy in a high-speed moving scene are remarkably improved, the service interruption time and signaling overhead are greatly reduced, the continuity and reliability of communication are effectively guaranteed, and the method is suitable for large-scale popularization and application. The method is suitable for high-dynamic service scenes such as intelligent network connection vehicles and unmanned aerial vehicles in a 6G network.
Owner:JIANGSU UNIV +1

Satellite Internet of Things distributed node parallel transmission acceleration method

The invention discloses a satellite Internet of Things distributed node parallel transmission acceleration method, which relates to the technical field of satellite Internet of Things, and comprises the following steps: dynamically fragmenting, splitting into N fragments according to a network load rate and a node state, adding a serial number, a check code and redundant information, and marking a head as {INJ}; the intelligent routing is used for distributing fragments to distributed nodes through a scoring function based on satellite ephemeris, node loads and link quality; dynamic path switching: monitoring link and node states, and switching to a better path when the performance does not reach the standard; fault-tolerant recombination is carried out, recombination is carried out according to sequence numbers, if missing fragments are few, erasure codes are used for recovery, and if missing fragments are more, local retransmission is carried out. Through parallel transmission, dynamic switching and fault-tolerant recombination, the transmission rate, throughput and robustness are improved, node loads are balanced, and the performance of the satellite Internet of Things is optimized.
Owner:JIANGSU LEZHONG INFORMATION TECH CO LTD

ARMv8-based virtual machine interrupt straight-through routing method

The invention discloses an ARMv8-based virtual machine interrupt through routing method, which comprises the following steps that: a Hypervisor directly routes a physical interrupt to an EL1 through configuration, sets a top page table address of a vCPU (Virtual Central Processing Unit) and a Hypervisor control register at the same time, and sets a vcpudid flag bit for indicating whether the vCPU adopts a virtual interrupt injection mechanism or a physical interrupt through routing mechanism; and judging whether an interrupt through routing condition is met or not so as to determine whether an interrupt through routing mechanism or a virtual interrupt injection mechanism is adopted, periodically judging whether a switching condition is met or not when the interrupt through routing mechanism is adopted, and switching from the interrupt through routing mechanism to the virtual interrupt injection mechanism if the switching condition is met. The method is compatible with two interrupt controller specifications of GICv2 and GICv3, supports the virtual machine and the hypervisor to respectively and independently respond to respective corresponding interrupt requests, and meanwhile, the method has the capability of dynamically switching an interrupt routing mechanism during the system operation period, so that the flexibility of interrupt processing and the expandability of the system are improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Satellite-ground heterogeneous network dynamic switching method and system and electronic equipment

The invention provides a satellite-ground heterogeneous network dynamic switching method and system and electronic equipment, and relates to the technical field of wireless communication, and the method comprises the steps: carrying out the collection of core state parameters from a network side, a user side and a service side, and obtaining the state parameters, related to network switching, of the network side, the user side and the service side; performing dynamic association processing on the state parameters respectively corresponding to the network side, the user side and the service side to generate a unified state vector; performing dynamic decision optimization according to the unified state vector through a reinforcement learning model to obtain a satellite-ground switching decision weight; according to the satellite-to-ground switching decision weight, generating a satellite-to-ground network comprehensive score difference, and according to the satellite-to-ground network comprehensive score difference, determining a network switching target and a decision confidence coefficient of the network switching target; and determining an execution parameter of the network switching target according to the decision confidence through a Bayesian execution engine, and performing network switching according to the execution parameter. According to the invention, the switching effect of the satellite-ground heterogeneous network is improved.
Owner:SHANGHAI JUZHIXING NETWORK TECHNOLOGY CO LTD

Multi-node dynamic switching method and system of MongoDB

The invention provides a multi-node dynamic switching method and a multi-node dynamic switching system for a MongoDB (MongoDB). The method comprises the following steps: acquiring configuration information of a plurality of MongoDB nodes, and establishing a data access layer based on the configuration information; through a data access layer, acquiring index data marks of the MongoDB nodes about a plurality of operation indexes according to a hierarchical frequency acquisition task configured by each MongoDB node; in combination with a node weight preset value of the MongoDB node, converting the node performance index into a weight value of the MongoDB node; based on a connection pool management mechanism and the node available state data, a request distribution strategy is determined according to the weight value, and the request distribution strategy is used for indicating the distribution proportion of the MongoDB requests distributed to the MongoDB nodes; and performing state detection on the MongoDB node through a data access layer, marking the detected MongoDB node as an unavailable state when detecting that the MongoDB node meets an abnormal state condition, and updating available state data of the node. The problems that in the prior art, manual intervention is needed, the real-time load condition of the node cannot be sensed, and the code coupling degree is high are solved.
Owner:BEIJING YULORE INNOVATION TECH

Lightweight deployment method and system of large model on edge computing device

The invention provides a lightweight deployment method and system of a large model on edge computing equipment. According to the method, the acceleration capability portrait is constructed by extracting the hardware instruction set architecture type of the target edge device and the number of parallel computing units. Based on the instruction type, the large model weight is grouped, divided and pre-calculated through a unified lookup table vectorization engine, and a pre-calculation vector matched with the target instruction set is generated; and according to the number of the parallel units and the instruction-level parallel capability, compiling the pre-calculation vector to generate an adaptive parallel table look-up instruction block, distributing execution threads with the same number as the parallel units, and eliminating data dependence conflicts. And finally, loading the instruction block to a shared memory area, configuring topological logic of the photoconductive switch matrix based on an instruction type, and dynamically switching a data transmission path in a hardware instruction period. According to the method, the efficient deployment of the large model in the edge equipment and the low-delay reasoning in the resource-constrained environment are realized.
Owner:LUSTER LIGHTWAVE CO LTD

Automatic remote-control quay crane one-control-two operation control system for container wharf and quay crane operation control method

The invention relates to the field of automatic container wharf operation optimization, in particular to a container wharf automatic remote control quay crane one-control-two operation control system and a quay crane operation control method, and the system comprises a remote console which is used for receiving an operator instruction and displaying real-time operation data; at least two quay crane devices, wherein each quay crane device comprises a crane and a container spreader; the automatic remote control system is used for analyzing the operation instruction and controlling the quay crane to execute automatic loading and unloading operation; the dynamic switching module is in communication connection with the automatic remote control system, so that the control rights of the two quay crane devices are alternately switched under the monitoring of a single operator; and the safety monitoring module is used for monitoring the operation state of the double-shore bridge in real time and ensuring the safety of the system when the control right is switched. According to the one-control-two operation control system for the automatic remote control quay cranes of the container wharf, the operation of managing and switching the two quay cranes at the same time by a single operator through the remote control console, and the problem that manpower resources of the wharf are insufficient is effectively solved.
Owner:TIANJIN PORT SECOND CONTAINER TERMINAL CO LTD

Server input and output system, application method thereof and electronic equipment

The invention discloses a server input and output system and an application method thereof, and electronic equipment, and relates to the technical field of computers, a plurality of groups of general physical channels corresponding to different interface protocols are reserved in a high-speed signal area of the same standard slot, and a first controller identifies the protocol type of an insertion module in real time, so that the interface protocol of the insertion module is identified; and the signal transceiving channel is automatically and dynamically switched to the target differential pair channel matched with the signal transceiving channel, so that the same physical slot can be compatible with external equipment of various different protocols, and the universality of input and output interfaces and the expansion flexibility of the whole system are improved. Due to the fact that the standard slot adopts a unified standard design in the power supply area and the control signal area, consistent electrical and logic interfaces are provided for functional modules from different sources, it is ensured that the modules can be accurately recognized and configured when inserted, and the success rate and safety of hot plug operation are improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Method and system for dynamic switching of data sources of soft and hard panels of flight simulator based on shared memory

The present invention belongs to the field of data processing, and specifically relates to a method and system for dynamically switching data sources of soft and hard panels of a flight simulator based on shared memory. The method aims to solve the problems of high latency, waste of resources, risk of data loss, and high maintenance costs in the prior art. The present invention comprises the following steps: constructing a database relationship binding table; establishing a corresponding data structure; initializing shared memory and updating variable addresses; associating data structures and defining data source switch parameters; activating a source switching judgment thread and a working thread; running a module to cause the soft and hard panels to write data according to the switch state; and releasing resources upon exit. The present invention achieves variable-level precise switching, avoids redundant switching through database binding tables and state variables; uses shared memory technology to improve data synchronization efficiency and system stability; uses dynamic thread management to reduce switching delays and improve response performance; and simultaneously improves simulator fault diagnosis and maintenance efficiency, reducing debugging time and costs.
Owner:CHINA SOUTHERN TECHNOLOGY (GUANGDONG HENGQIN) CO LTD

GTX Quad resource reuse method and system based on Xilinx FPGA

The invention relates to a GTX Quad resource multiplexing method and system based on a Xilinx FPGA. The method comprises the steps that a public configuration module of a GTX transceiver in a protocol IP core is stripped into an independent shared resource module; constructing a standardized interface bus for connecting each protocol IP core with the independent shared resource module; dynamically allocating resource information of the quaternary phase locked loop and the channel phase locked loop according to a protocol rate demand; and deploying a priority arbitration state machine in each channel in the Quad, monitoring protocol bandwidth requirements of each channel, and performing configuration snapshot switching based on the protocol bandwidth requirements so as to realize time division multiplexing of GTX Quad resources. According to the method and the device, the common configuration module is decoupled into the independent shared resources, the standardized interface bus is constructed, the clock resources are dynamically allocated, and the snapshot is configured in a time division multiplexing manner, so that the problems of resource monopolization limitation and insufficient protocol compatibility in the prior art are solved, the GTX Quad resource multiplexing rate is improved, and multi-protocol dynamic switching can be supported.
Owner:TRONLONG

Dynamically enabling / disabling change tracking on running replication for a multi-client file system

A change tracking and delta generation (CTDG) system servicing multiple clients is disclosed for enabling the delta generation during replication to be proportional to the number of changes between two snapshots instead of the size of the snapshots. In some embodiments, CTDG can track changes to a file system, where change-tracking can be dynamically switched between two sub-CT modes, file level or directory level. Change-tracking (CT) keys may be generated accordingly and stored in a data structure to be used for delta generation during replications for clients. In some embodiments, change-tracking may be enabled or disabled for different clients. CTDG can coordinate the CT enablement / disablement to ensure replications can use the information in CT keys properly.
Owner:ORACLE INT CORP

Red and black isolation system and method for realizing dynamic switching of encryption algorithm based on FPAG dynamic configuration technology

The invention provides a red and black isolation system and method for realizing encryption algorithm dynamic switching based on an FPAG dynamic configuration technology, and aims to solve the problems of rigid isolation strategy, high switching response delay, encryption algorithm solidification and the like of a traditional red and black isolation architecture. The system comprises a red area CPU unit, a black area CPU unit and an isolation area FPGA access control unit, and automatic switching of protection strategies is achieved through FPGA local dynamic configuration. According to the invention, the encryption algorithm can be rapidly and dynamically switched according to the identified network threat level, and efficient and secure transmission of data among different security domains is ensured. The method has the characteristics of file encryption storage and integrity verification, key security processing, dynamic region isolation, multi-algorithm support and the like, is suitable for cross-security domain information interaction scenes needing to ensure information security, and has good social benefits and wide application prospects.
Owner:CHINA STATE SHIPBUILDING CORP NO 707 RES INST

Multi-protocol encoder communication interface circuit based on hardware configuration

The invention relates to the technical field of encoder communication interface circuits, in particular to a multi-protocol encoder communication interface circuit based on hardware configuration, which comprises a core control and protocol processing module, a hardware configuration and mode recognition module, an RS-485 differential driving and receiving module and an interface protection circuit module. In the invention, the problems that the hardware cost is high, the PCB layout is complicated, the overall size of the system is increased, the types of connectors are diversified and the wiring difficulty is increased due to the fact that an independent physical interface circuit needs to be independently designed for each protocol such as BISS and Tamagawa or a special integrated chip with a solidified factory function is adopted in the existing scheme are thoroughly solved; and meanwhile, the problems that chips need to be replaced or hardware needs to be redesigned and the configuration flexibility is poor in the protocol updating of an existing scheme are solved, the time sequence conflict risk existing in software dynamic switching protocols is avoided, and the defects that a traditional circuit is poor in surge resistance, signal crosstalk is caused and debugging and maintenance are complex are overcome.
Owner:东莞市智赢智能装备有限公司

Real-time load intelligent regulation and control method for runoff type cascade hydropower station group

The invention belongs to the hydropower station dispatching technology, and particularly provides a real-time load intelligent regulation and control method for a runoff cascade hydropower station group, which comprises the following steps: dividing different hydropower stations into a dispatching mode and a non-dispatching mode according to the total load demand of the current hydropower station group; a hydropower station constraint condition, a hydropower unit constraint condition and system-level constraint adjustment are established; for a scheduling mode power station, predicting a load plan curve deviation in advance, matching three types of scheduling sub-models according to an economic operation strategy, and realizing a multi-target real-time optimization target of the hydropower station in different scenes; for a power station in a non-scheduling mode, balance of water level safety and operation economy is achieved through dynamic switching of the two types of models; and finally, carrying out real-time intelligent regulation and control on the load of the hydropower station based on a complex constraint normalization strategy and a mixed integer programming peak clipping model based on MILP.
Owner:CHINA YANGTZE POWER

Stacker positioning method and system for coupling kinetic energy recovery

The invention relates to the technical field of kinetic energy recovery, in particular to a stacking machine positioning method and system coupled with kinetic energy recovery, and provides the following scheme that before a stacking machine enters a kinetic energy recovery stage, state fingerprints of a running state and a target parking position are obtained, and a state space is constructed based on the target state fingerprints; a landing corridor capable of stably converging to zero speed is generated; a prediction track is generated according to the current operation state, intersection judgment is conducted on the prediction track and a landing corridor, and a critical point capable of being switched to the energy braking stage at the latest is determined; determining a kinetic energy recovery strategy and a braking switching instruction according to the critical point, and realizing optimal energy recovery of the stacking machine on the premise of ensuring the positioning precision; according to the method, a dynamic switching mechanism based on space-time accessibility is introduced, so that full recovery of kinetic energy of the braking section and adaptive balance of steady-state zero-speed positioning are realized.
Owner:SHENZHEN NEW TREND INT ROBOT CO LTD

Dynamic switching system for cooperative work of wireless charging and wired charging

The invention relates to the technical field of charging switching control, in particular to a dynamic switching system for cooperative work of wireless charging and wired charging, which performs node modeling and edge weight propagation on multiple parameters such as magnetic field intensity, current fluctuation ratio, contact resistance and temperature threshold through a graph neural network. Structured expression and dynamic updating of a nonlinear coupling relation among parameters are achieved, abnormal feature aggregation and channel state characterization are more refined, fuzzy reasoning and weight adjustment are conducted on multiple variables such as power output, the heat growth rate, the voltage drop rate and the energy efficiency ratio through fuzzy logic control, the stability of a channel priority sequence is enhanced, and the stability of the channel priority sequence is improved. Through dynamic detection of power curve intersection points and transition section time sequence calculation, continuous power distribution is converted into a smooth function interval, instantaneous energy abrupt change during switching is reduced, closed-loop correction of multi-period signals is achieved, and the system keeps stable operation and energy efficiency output consistency under high-dimensional parameter disturbance.
Owner:SHENZHEN XINTIDE TECH CO LTD

Automatic dry bulk cargo wharf energy-saving dispatching method and system considering dynamic switching of belt conveyors

The invention discloses an automatic dry bulk cargo wharf energy-saving dispatching method and system considering dynamic switching of belt conveyors, and belongs to the field of port operation dispatching. The method comprises the following steps: firstly, collecting automatic dry bulk cargo wharf storage yard characteristic data, material stacking operation task information, material taking operation task information and operation equipment parameter information; secondly, constructing an automatic dry bulk cargo wharf energy-saving scheduling optimization model considering dynamic switching of the belt conveyors; and finally, solving the automatic dry bulk cargo wharf energy-saving scheduling optimization model, and generating a job scheduling scheme in a planned period based on a solving result. According to the invention, integrated overall optimization of storage yard position distribution, task transportation path selection and belt conveyor start-stop time sequence under a multi-task and multi-transportation path scene can be realized; the phenomena of no-load operation and repeated start and stop are effectively reduced, the operation energy consumption is remarkably reduced while the operation efficiency is guaranteed, and technical support is provided for intelligent cooperation and green efficient operation of the dry bulk cargo wharf.
Owner:DALIAN UNIV OF TECH

System for reducing self-interference between APs in rail transit vehicle depot

The invention relates to the technical field of rail transit, and discloses a system for reducing self-interference between APs in a rail transit vehicle depot, which comprises trackside APs, vehicle depot APs and a vehicle-mounted MR. The trackside APs are deployed on a rail traffic line, a same-frequency networking mode is adopted, 2.4 G frequency bands of all the trackside APs use the same channel, and 5G frequency bands of all the trackside APs use the same channel. According to the system for reducing the self-interference between the APs in the rail transit vehicle depot, AP position marks are additionally arranged in Beacon frames and Probe Response frames of the rail-side APs and the vehicle depot APs, and scanning frequency point lists and dynamic switching logics corresponding to different areas are preset in a vehicle-mounted MR, so that the vehicle-mounted MR can intelligently sense the network area where a train is located, and the self-interference between the APs in the rail transit vehicle depot is reduced. The problems of scanning strategy and environment adaptation and access performance and interference in a vehicle depot are solved.
Owner:SHANGHAI ELECTRIC THALES TRANSPORTATION AUTOMATION SYST CO LTD

Dynamic waveform configuration method, communication device and storage medium

The embodiment of the invention provides a dynamic waveform configuration method, a communication device and a storage medium, which are applied to terminal equipment and are used for realizing dynamic switching of waveforms in different scenes, and the specific scheme is as follows: sending first information to network equipment; the first information is used for indicating a waveform type supported by the terminal equipment and / or a parameter capability of the terminal equipment; sending a channel measurement report to the network device; receiving second information configured by the network equipment according to a waveform switching condition, the first information and the channel measurement report; the second information is used for indicating configuration information of a target waveform; the target waveform belongs to the waveform type supported by the terminal equipment.
Owner:HONOR DEVICE CO LTD

5G network downlink high reliability retransmission method for industrial URLLC

The present invention relates to industrial wireless network technology, specifically to a 5G network downlink high-reliability retransmission method for industrial URLLC. This method is applicable to a downlink transmission network composed of a single base station and multiple user devices. The present invention constructs a new frame structure for resource allocation, supports an on-demand retransmission strategy based on hybrid data coordinated scheduling and a dynamic switching strategy based on on-demand / cyclic retransmission reliability analysis; by jointly considering the data packets and retransmission packets in the downlink data queue, and allocating communication resources on demand for data that failed to be transmitted according to the data packet transmission results of each round and the available communication resources, the resource utilization rate is significantly improved, thereby improving the reliability of downlink data transmission; then, combined with the low communication overhead characteristics of the cyclic retransmission strategy, the most reliable retransmission strategy is selected online according to the data queue and the available communication resources, thereby further improving the reliability of downlink data transmission.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Method and device for dynamically switching a transmission method for receiving MBS data based on split radio bearer structure

Provided are a method and device for switching between unicast transmission and multicast / broadcast service (MBS) transmission in a cellular wireless communication network. The method for a base station to switch MBS data transmission may include: transmitting configuration information for reception of MBS data of a user equipment (UE) to the UE; transmitting information instructing a change of radio bearer for the reception of the MBS data to the UE; and receiving a packet data convergence protocol (PDCP) status report from the UE.
Owner:KT CORP

Selector unit, ring oscillator and test structure

The invention discloses a selector unit for dynamic switching of a standard unit, a ring oscillator and a test structure. Wherein the selector unit is connected in parallel with standard units with different threshold voltages, driving capabilities and logic functions, and is matched with the first switch control circuit, so that flexible switching of the differentiated standard units is realized, and the static architecture limitation of a traditional test circuit is broken through; according to the ring oscillator, a selector unit is embedded into a closed oscillation loop of a standard unit chain, a time sequence path of multiple unit combinations is formed through dynamic configuration, and the delay superposition effect between mixing units in an actual circuit is effectively simulated; the test structure is based on the configurable characteristic of the ring oscillator, combines a pin sharing mechanism of the first control signal multiplexing module, realizes parallel test of multiple unit combinations in a single chip, and eliminates multi-chip separate test requirements, so that a high-efficiency and high-coverage standard unit delay detection system is realized under the constraint of hardware resources, and the test efficiency is improved. And a verification basis is provided for deviation analysis of the process simulation model.
Owner:GUANGZHOU ZENGXIN TECH CO LTD

Chip prototype verification method and device, medium and product

The invention discloses a chip prototype verification method and device, a medium and a product, relates to the technical field of chip design, is applied to a hardware debugger of a simulation test tool, and comprises the following steps: analyzing a capability maturity model script; the analyzed script and the execution mode switching condition are sent to a central processing unit of the field programmable gate array, so that the central processing unit determines a current execution mode according to the analyzed script and the execution mode switching condition; test case codes of different execution modes in the capability maturity model script are stored in different data areas of a preset memory pool respectively, so that a central processing unit obtains the corresponding test case codes based on the current execution mode, verification data are generated according to the test case codes and peripheral equipment of a pre-configured chip, and the verification data are stored in the preset memory pool; returning the verification data to a hardware debugger of the simulation test tool; and generating a prototype verification report based on the verification data and the expected data to complete chip prototype verification. And chip prototype verification can be realized by dynamically switching verification modes.
Owner:JINAN MAIWEI INTELLIGENT TECHNOLOGY CO LTD

Method for optimizing Electron screen heater based on polymorphic rendering and state awareness

The invention provides an Electron master screen optimization method based on polymorphic rendering and state awareness, and is applied to the technical field of data processing. According to the method, aiming at an Electron advertisement screen application, a window focus, a power supply state and user interaction are monitored through BrowserWindows API and Node.jPowerMonitor, and three playing states, namely an active playing state, a low-frequency playing state and a background playing state, are judged. Rendering modes are dynamically switched according to the states, GPU acceleration is + 60 fps high frame rate in the active state, CPU software rendering is + 15 fps low frame rate in the low frequency state, and off-screen rendering is conducted on cached frame data in the background state. And the local redrawing is realized by combining the Offscene Canvas and the WebWorker, so that the invalid calculation is reduced. Resources such as DOM nodes and GPU memories are actively recycled in the background state, quick recovery is achieved after focus obtaining, users do not perceive the whole process, resource occupation and energy consumption are greatly reduced, and operation stability is improved.
Owner:YILIAN ZHONGYIWEI TECH CO LTD

Always Connected Drone Systems

A communication system is disclosed for maintaining persistent and secure wireless communication between a drone and a controller using an always connected mode. The drone operates as an 802.11 access point (AP), while the controller operates as a station (STA). During initial connection, the system performs a standard 802.11 association and key exchange, and stores the resulting association context, including the association response and encryption keys, to persistent memory. Upon detecting a disconnection or reboot, the system restores the saved context directly into the wireless driver to reinitialize MAC state and resume encrypted communication without repeating full association. The system includes modifications to wpa_supplicant, hostapd, and wireless drivers to support direct injection of association context and to temporarily disable replay protection. A dynamic switching mechanism selects between standard association and always connected mode based on runtime conditions such as link quality, proximity, or session validity.
Owner:SKYDIO INC