13 results about "Bandwidth sharing" patented technology

The invention belongs to the technical field of artificial intelligence chip and robot control, and relates to a heterogeneous calculation and control fusion chip control system and method, a robot and a storage medium. A GPU, an NPU, a BPU and an MCU are integrated in a central large core cluster, a communication network subunit and a memory control subunit are matched, and a low-delay data channel is constructed in a chip, so that perception, cognition and control instructions can be directly interacted, the cross-chip communication delay is reduced, and the real-time performance is improved. The three-level cache module is accessed through the memory control subunit, high-bandwidth sharing and centralized scheduling are achieved, data migration is reduced, the bandwidth bottleneck is relieved, and the complex task processing efficiency is improved. A trust root subunit is arranged in each unit, chip-level trusted verification and access isolation are provided, and the reliability under key action control and security sensitive scenes is enhanced.

The invention discloses a microwave measurement and control device, and relates to the technical field of particle acceleration. The antenna comprises a backboard, a radio frequency unit and a tuning unit. The backboard is provided with a high-speed serial transmission channel; the radio frequency unit is connected with the backboard to collect radio frequency field state data of the accelerator cavity; the tuning unit is connected with the backboard to output a driving signal to adjust the resonant frequency of the cavity. Wherein the radio frequency unit and the tuning unit establish a direct connection link through a high-speed serial transmission channel, and the tuning unit cooperatively adjusts the resonant frequency of the cavity according to radio frequency field state data. A traditional CPCI architecture is optimized through the backboard, the high-speed serial transmission channel comprises the first communication channel, radio frequency field state data does not need to be transferred and is directly transmitted to the tuning unit through the high-broadband and high-performance first communication channel, the problems of large transmission delay and cooperative lagging caused by bandwidth sharing of an existing CPCI architecture are effectively solved, and the communication performance of the CPCI architecture is improved. Tuning can be rapidly carried out through closed-loop control, and the stability of the accelerator beam is remarkably improved.

The invention discloses an information data transmission method based on a computer network, relates to the technical field of computer networks and data communication, and can intelligently maintain fairness and stability of network transmission. Through cooperative perception and decision-making of intelligent agents at a sending end and a receiving end, the method does not independently pursue speed maximization of a single data stream any more, but considers own behaviors in a global view of a whole network environment; according to the core algorithm, network flow with friendly form and smooth fluctuation is actively generated by balancing multi-dimensional targets such as throughput, time delay stability and rate smoothness, so that impact on other service flows in a shared network link is remarkably reduced, congestion caused by instant accumulation of queues is avoided, and the service quality of the shared network is improved. Fair bandwidth sharing among different data streams is promoted fundamentally, and negative intervention of a QoS strategy of an operator is effectively inhibited.

The invention discloses a method and a device for improving data transmission efficiency by a GPU (Graphics Processing Unit) through bandwidth sharing, and the method comprises the following steps of: grouping L2 cache sub-partitions in a manner that four sub-partitions form a group, sharing a data port by the four sub-partitions in the group, and jointly executing a data return task of a single sub-partition; the L2 cache judges whether the current sub-partition is served or not, and the scheduler in the group checks the next sub-partition through polling scheduling and judges whether the current sub-partition has a request or not. If the current sub-partition has a request and the head-of-queue request is read hit, determining to serve the sub-partition; when the current sub-partition is not served and the queue head request is a write request or read missing, the sub-partition and the served sub-partition are subjected to parallel processing; the L2 cache divides the data into four parts and sends the four parts to the multiplexer module, and the multiplexer module of each sub-partition selects corresponding signal input and transmits the data to a data port; the aggregated data port sends the data back to the L1 cache through the NoC; and counting and confirming that the complete cache line data is received by a counter in the SM. The device comprises a processor and a memory.

The invention discloses a source network load storage data aggregation processing method, system and device and a medium, mainly relates to the technical field of aggregation processing, and is used for solving the problems of data transmission conflict and lack of a dynamic adjustment mechanism for bandwidth allocation caused by bandwidth sharing in the existing scheme. Comprising the following steps: adjusting a real-time bandwidth according to the priority of a dedicated channel and the hop count of an edge computing node corresponding to the dedicated channel in a data aggregation layer; the communication layer transmits the equipment data to the data aggregation layer through an internet communication protocol; the data aggregation layer pushes the device data to a real-time edge computing node in a streaming manner according to a preset processing logic, stores the device data to an offline analysis platform, and uploads a processing result returned by the edge computing node to the application layer; and the application layer issues the operation instruction to the data aggregation layer, the data aggregation layer stores the operation instruction and issues the operation instruction to the communication layer, and the dedicated channel bandwidth is adjusted again according to the operation instruction pre-stored in the communication layer and a dedicated channel bandwidth allocation strategy.

The invention discloses a novel bandwidth sharing network system which adopts a content locking state transmission mechanism through a transmission model, converts original content and generates a unique identifier, a quantum security envelope encapsulates key information, eavesdropping is resisted based on quantum physical characteristics, and the content is ensured to be complete and real. Secondly, quantum digital identity registration is realized through a block chain consensus network module, related events are recorded, identity authenticity and event traceability are ensured, and security and credibility are enhanced; in addition, a message forwarding path is intelligently determined through a quantum security content routing protocol module according to structured processing and block chain information, and resources are allocated according to content requirements; besides, the message is subjected to de-duplication processing through the de-duplication module and the information is registered to the block chain, so that repeated message transmission is reduced, and the series of measures effectively solve the problems of the traditional network in the aspects of security and resource utilization.

Systems and methods for slice-specific adaptive resource allocation are provided. An example method includes generating multiple RAN sub-slices within a RAN slice of a network, assigning a first band to the RAN slice. The first band has a first BWS and a second BWS, the first BWS is allocatable to each one of the RAN sub-slices, and the second BWS is allocatable to qualified RAN sub-slices. The method further includes assigning a first allotment of the first BWS to an identified RAN sub-slice, monitor continuously real-time bandwidth usage of the first BWS by the identified RAN sub-slice, and determine whether the first allotment allocated to the first RAN sub-slice is sufficient to achieve predetermined QoS attributes of the first RAN sub-slice.

The invention belongs to the technical field of multiplexing communication, and particularly discloses a vehicle-mounted passive optical network bandwidth sharing method based on wavelength division multiplexing, which comprises the following steps: acquiring current quality index data from a channel of a wavelength division multiplexing passive optical network by monitoring real-time parameters higher than a preset bit error rate threshold and lower than a preset optical signal-to-noise ratio threshold, judging whether the channel is in a degraded state or not by adopting a threshold comparison method to obtain a preliminary quality grading result; according to the preliminary quality grading result, in combination with the dispersion coefficient and the physical characteristic that the temperature change is greater than a preset threshold value, related influence factors are extracted from equipment aging records, a comprehensive quality score is determined by adopting a weighted fusion algorithm, and a channel dynamic grading mapping relation is obtained; if the comprehensive mass fraction is lower than a preset threshold value, an interference intensity index is obtained from an external interference data source, and the wavelength stability decline degree is judged through spectrum purity analysis; the invention aims to solve the problem of poor stability of network channel quality in the prior art.

Provided are a bandwidth sharing method, device and equipment for multiple access points, the method comprising: sending a transmission opportunity allocation frame to a second access point, the transmission opportunity allocation frame being used for indicating a transmission sub-channel allocated by a first access point to the second access point in a shared transmission opportunity TXOP, the second access point performs data transmission in a C-FDMA frequency division mode based on the transmission opportunity allocation frame; wherein the second access point is an access point capable of carrying out bandwidth sharing with the first access point. A transmission control frame is sent to a first access point to indicate the first access point to allocate a transmission sub-channel in a shared TXOP for a second access point, so that the second access point independently performs data transmission in a C-FDMA frequency division mode based on the transmission sub-channel, and concurrent transmission with other access points in the shared TXOP is realized. The utilization rate of frequency domain resources is improved, and the time delay and the throughput rate are improved.

A computer-implementation method includes receiving a data packet; identifying a virtual queue from a list of virtual queues to which the data packet pertains; and determining whether the identified virtual queue size exceeds a threshold maximum size. When the first size does not exceed the threshold maximum size, the identified virtual queue is increased based on a size of the data packet and the data packet is forwarded. The method further includes setting a virtual queue from the list of virtual queues as a target queue; determining a service capacity based on an update time interval and increasing a credit allowance based on the service capacity. The target queue is reduced by an amount based on the credit allowance size, and the credit allowance is reduced by the same amount.

A unified framework for Multi-Access Point (MAP) coordination, during the transmission phase of a sharing access point (AP), is provided. The framework includes the sharing AP (an AP that has a transmission opportunity (TXOP)) sending a polling message to other APs to determine if any of the other APs would like to participate in the TXOP. The polling message includes specifics of the TXOP such as, a total duration of its TXOP, a portion of the duration the sharing AP 100 intends to share, an available bandwidth, the preferred Multi-AP coordination scheme (e.g., Co-SR, Co-BF, Co-TDMA, etc.) of the sharing AP 100 for the TXOP, a maximum allowed transmission power for the Shared APs, Number of non-AP STAs the sharing AP plans to serve within the TXOP, An indication of whether the Sharing AP will serve Enhanced Multi-Link Single Radio (eMLSR) or Dynamic Power Save (DPS) non-AP STAs within the TXOP. The other APs that are interested in participating the TXOP send a respective response message to the sharing AP, the response message including at least one of: an availability field set to indicate that the second AP is available to participate in the MAPC transmission phase; a requested duration field defining a duration needed by the second AP; a requested bandwidth field defining a bandwidth needed by the second AP; a low-delay field set to indicate low-latency traffic or not; a buffered data expiry field defining a lifetime of buffered data; a preferred multi-AP (MAP) coordination scheme; a minimum allowed or acceptable transmit power; an indication of whether the Shared AP will serve Enhanced Multi-Link Single Radio (eMLSR) or Dynamic Power Save (DPS) non-AP STAs within the TXOP; and a number of stations (STAs) to be served. Subsequently, the sharing AP sends, to the interested other APs, a MAP announcement frame that indicates to the second AP at least one supported coordination scheme; and defines the resources allocated to the second AP.

A hybrid traffic exchange buffer management method oriented to a high-efficiency data center adopts a modular design, and comprises a switch monitoring module used for periodically recording indexes such as the service rate, the arrival rate and the queue length of a data packet; the calculation module calculates a loss rate based on a queuing model, constructs a utility function in combination with the throughput and the delay gradient, and quantifies the performance value allocated to the current buffer area; and the control module iteratively optimizes the admission control parameter through a micro experiment, alternately explores the influence of the increase and decrease of the admission parameter on the utility value, selects a parameter updating queue threshold value of the maximum utility value, and allows the two types of flow to freely seize resources if the occupancy rate of the buffer area does not reach a set threshold value, and continuously and cooperatively updates the admission parameter through the control module. According to the method, the mixed flow performance can be effectively optimized, the fair bandwidth sharing of the two types of flows can still be ensured even in a buffer scrambling scene with a higher lossy flow ratio and a lower lossless flow ratio, and the balance of high throughput and low delay is realized.

Systems and methods for collaborative downloading between IoT devices include checking, by a first IoT device of a plurality of IoT devices connected to the same network, a server for an available data item; discovering, by the first IoT device, if one or more other IoT devices have downloaded or started downloading the data item; and, depending on the result of the discovery, the first IoT device requesting and receiving the data item from a second IoT device of one or more discovered IoT devices which have downloaded or are downloading the data item, or the first IoT device downloading the data item from the server, advertising, on the network that the first IoT device has downloaded the data item, and transmitting the data item to one of the other IoT devices.