81 results about "Bandwidth scheduling" patented technology

A method for verifying specific profile, legal, and social preference data responses for generating a selectively approved membership database. Membership security is completed with a biometric security authentication of each member upon member logon. A media player is used for recording and delivering video on demand; live video broadcast communications, and video / audio relational database management as well as searching the database for Digital video and audio content defined by indexed unique hint track data. Live video conferencing is available utilizing bandwidth scheduling methods for quality video control and creating audit logs for member accountability and content control.

Systems and methods of scheduling sub-carriers in an OFDMA system in which a scheduler takes into account channel conditions experienced by the communication devices to optimize channel conditions. The scheduler can partition a set of sub-carriers spanning an operating bandwidth into a plurality of segments. The segments can include a plurality of global segments that each includes a distinct non-contiguous subset of the sub-carriers spanning substantially the entire operating bandwidth. One or more of the global segments can be further partitioned into a plurality of local segments that each has a bandwidth that is less than a channel coherence bandwidth. The scheduler determines channel characteristics experienced by each communication device via reporting or channel estimation, and allocates one or more segments to communication links for each device according to the channel characteristics.

The invention discloses a CDN bandwidth scheduling system comprising a CDN node, a monitoring center, a scheduling subsystem and a scheduling center, wherein the monitoring center obtains machine room quality information of the CDN node and sends the machine room quality information to the scheduling center; the scheduling center calculates a machine room bandwidth quota of each machine room according to obtained machine room cost information, the machine room quality information and service quality information; and the scheduling subsystem updates a scheduling strategy according to a user request number, user bandwidth flow and the machine room bandwidth quota sent by the scheduling center. According to the CDN bandwidth scheduling system, the scheduling center is set to achieve the decoupling of CDN bandwidth scheduling and service scheduling via a hierarchical design, the scheduling subsystem provides the scheduling of service demands, the scheduling center controls the bandwidth quota of the scheduling subsystem while taking both of the quality and the cost into account, and thus the overall quality and cost are optimal.

Devices and methods of limiting wideband STA communication are generally described. The STA receives, over a primary channel, a wakeup frame containing an indication of a SP or CBAP to acquire a wideband TXOP over a wide bandwidth channel including the primary channel and a secondary channel and a control trailer having an indication of the wide bandwidth channel. Prior to the SP / CBAP, the STA opens reception from the primary channel to the wide bandwidth channel. The STA then communicates with another STA over the wide bandwidth channel and subsequently reduces reception from the wide bandwidth channel to the primary channel. The wakeup frame originates from an AP / PCP or the other STA, and contains fields indicating the wakeup frame length and SP or a sensing time length prior to the CBAP.

Devices and methods of limiting wideband STA communication are generally described. The STA receives, over a primary channel, a wakeup frame containing an indication of a SP or CBAP to acquire a wideband TXOP over a wide bandwidth channel including the primary channel and a secondary channel and a control trailer having an indication of the wide bandwidth channel. Prior to the SP / CBAP, the STA opens reception from the primary channel to the wide bandwidth channel. The STA then communicates with another STA over the wide bandwidth channel and subsequently reduces reception from the wide bandwidth channel to the primary channel. The wakeup frame originates from an AP / PCP or the other STA, and contains fields indicating the wakeup frame length and SP or a sensing time length prior to the CBAP.

The embodiment of the invention discloses a method and device for adjusting a bandwidth scheduling strategy and relates to the technical field of communication. The method and device can guarantee the quality of a user service. The method comprises the steps that service quality parameters are obtained periodically, the service quality parameters are compared with service quality parameter reference values defined by the SLA, whether the bandwidth scheduling strategy needs to be adjusted is judged according to a comparison result, and finally when the service quality parameters exceed the service quality parameter reference values defined by the SLA, an original bandwidth scheduling strategy is adjusted according to the service quality parameters. The method and device are suitable for adjusting the bandwidth scheduling strategy.

The present invention provides a satellite communication network management and intelligent scheduling system which can automatically realize the bandwidth scheduling, the communication capacity management and the network monitoring, and a carrier wave switching method thereof. The satellite communication network management and intelligent scheduling system comprises a network management module, a satellite management module, a modulator-demodulator management module, an antenna management module, a spectrum analyzer module, an intelligent scheduling module, an in-band switching module and a log management module. The satellite communication network management and intelligent scheduling system provided by the present invention is suitable for the situations, such as military, emergency, disaster rescue, etc., establishes a two-party communication link by the satellite communication scheduling, guarantees the communication establishment of the emergency, enables the operation cost of the satellite communication to be reduced according to the priority demand assignment bandwidths of the communication businesses, displays the device information state in a terminal and displays the communication carrier wave situation in a virtual spectrum analyzer, and can monitor and manage conveniently and uniformly.

The invention relates to a method and device for bandwidth dynamic allocation in an optical access network, and provides a global centralized type flexible bandwidth dynamic allocation method and device orienting the optical access network. The method and device overcome the defects that an existing TDM-PON dynamic bandwidth allocation mechanism is poor in real-time performance and can only be limited in a single OLT. The device is formed by a control layer and a managed device, wherein the control layer comprises a communication agent module, a bandwidth resource analysis module and a tactical decision module. The method for the bandwidth dynamic allocation mechanism includes the steps of monitoring network flow circularly, and carrying out the bandwidth dynamic allocation mechanism if network busy hotspots exist. The bandwidth dynamic allocation mechanism comprises a bandwidth dynamic optimization mechanism and a bandwidth dynamic recovery mechanism. Compared with the prior art, the method and device have the advantages that a whole network combined dynamic bandwidth dispatching technological measure is adopted to carry out circular detection, and the method and device enable bandwidth resource management of the optical access network to be intelligentized, greatly improve bandwidth utilization rate, save operational cost of the optical access network and improve user experience of the optical access network.

The embodiment of the invention relates to the technical field of Internet, and discloses a CDN bandwidth scheduling method, an acquisition and scheduling server and a storage medium. The method comprises the steps of obtaining a CDN real-time total bandwidth; Wherein the CDN is constructed in a preset network and a standby network, and the real-time total bandwidth comprises the real-time bandwidth of the preset network and the real-time bandwidth of the standby network; Calculating to obtain a new bandwidth allocation ratio according to the real-time total bandwidth, the service bandwidth of the preset network and the principle of preferentially using the bandwidth of the preset network; Wherein the bandwidth allocation ratio is used for determining the allocation ratio of the bandwidthof the CDN on a preset network and a standby network; And issuing the new bandwidth allocation ratio to the edge node of the CDN, so that the edge node of the CDN allocates the bandwidth of the corresponding ratio to the preset network and the standby network according to the new bandwidth allocation ratio. According to the embodiment of the invention, the CDN bandwidth is automatically distributed among different networks, so that the cost is reduced, and the CDN service quality is improved.

Client devices schedule downloads from various sources based on a download ratio between the different sources. The download ratio is determined based on quality information reported by the client devices about prior downloads to the client devices. Examples of quality information include an average download speed, a download success rate, and a stability of download speed. In one implementation, the different sources include both servers and a P2P network

The present invention discloses a method for scheduling bandwidths of multiple fixed paths on a high performance network for big data. According to the method, when a remaining bandwidth of a high performance network with a bandwidth reservation function changes dynamically, two fixed paths that do not intersect at nodes are calculated to reserve bandwidths for user data transmission, and a dedicated channel is assigned, so that data transmission can be completed as soon as possible. The method solves a limitation that an existing multi-path technology is only for static network transmission with a constant bandwidth, and solves a defect that a bandwidth is not fully used in an existing single-path bandwidth scheduling technology in a high performance network where the bandwidth changes dynamically.

The invention discloses a node bandwidth scheduling method and a scheduling device, which relate to the technical field of computers. One specific embodiment of the method comprises the steps of obtaining a training sample set and a test sample set, and generating a bandwidth prediction model according to the training sample set and the test sample set; obtaining target feature data of a target node, and determining predicted bandwidth data of the target node according to the target feature data by utilizing the bandwidth prediction model; and performing bandwidth scheduling processing on thetarget node according to the predicted bandwidth data and the current bandwidth data of the target node in combination with a bandwidth scheduling strategy. According to the embodiment, the predictedbandwidth data of the target node can be obtained by utilizing the generated bandwidth prediction model, the bandwidth prediction accuracy can be improved, and the bandwidth of the target node is scheduled in combination with the bandwidth scheduling strategy, so that global bandwidth balance can be realized, and the user experience is improved.

The present invention provides a bandwidth scheduling method, an ONU (Optical Network Unit) registration method and device, and an OLT (Optical Line Terminal). The ONU registration method comprises: an OLT determines a first system upstream bandwidth of a first PON (Passive Optical Network) system according to the number of ONU to be registered which are not yet scheduled to the first PON system of the system upstream bandwidth; the OLT opens a quiet window for the ONU to be registered in the first system upstream bandwidth; and the OLT completes the registration of the ONU to be registered in the quiet window. According to the invention, the problem is solved that the different system smooth upgrade of the ONU cannot be realized, the different system smooth upgrade of the ONU is realized, and the efficiency of the ONU upgrade is improved.

A scheduler associated with a base station of a wireless communication network dynamically compensates for uplink bandwidth that has been re-assigned (stolen) by a mobile station (MS) to transmit a control message. The scheduler allocates a preset amount of bandwidth to the MS for data transmission. The scheduler detects bandwidth stealing activity and evaluates when bandwidth stealing is justified on he part of the MS. The scheduler provides additional bandwidth to appropriately compensate for the stolen bandwidth when bandwidth stealing is justified, in order to maintain the quality of service of the data traffic connection.

The embodiment of the invention relates to the technical field of Internet, and discloses a CDN bandwidth scheduling method, an acquisition and scheduling server and a storage medium. The method comprises the steps of obtaining CDN real-time transmission quality parameters; Wherein the CDN is constructed in a preset network and a standby network; updating the bandwidth allocation ratio according to the real-time transmission quality parameter; Wherein the bandwidth allocation ratio is used for determining the allocation ratio of the bandwidth of the CDN on a preset network and a standby network; and issuing the updated bandwidth allocation ratio to the edge node of the CDN, so that the edge node of the CDN allocates the bandwidth with the corresponding ratio to the preset network and the standby network according to the updated bandwidth allocation ratio. According to the embodiment of the invention, automatic distribution of the CDN bandwidth among different networks is realized according to the transmission quality of different networks, so that the cost is reduced, and the CDN service quality is improved.

Provided are a MAC method and a method for transmitting data using the same in a WLAN. The MAC method includes: transmitting a bandwidth scheduling report frame for informing information on downlinks and uplinks allocated to a terminal by including the bandwidth scheduling report frame in one of the downlinks where the bandwidth scheduling report frame includes a plurality of downlinks, a plurality of uplinks, and a plurality of short uplinks and the number of the plurality of downlinks is equal to the number of the plurality of uplinks; receiving a bandwidth request frame for requesting bandwidth allocation through one of the uplinks; and allocating a bandwidth to each of the terminals by an unit of the downlink and the uplink.

The invention discloses a bandwidth allocation method and device, relates to the technical field of cloud computing, and aims at solving a problem in the prior art that the utilization rate of bandwidth is not high. The method specifically comprises the steps: obtaining an idle bandwidth of a first class flow in a current bandwidth scheduling cycle; transmitting the first class flow and employing the idle bandwidth to transmit a second class flow in the current bandwidth dispatching cycle if the bandwidth needed by the second class flow is less than the idle bandwidth. The method and device are used in the process of bandwidth allocation of cloud computing.

The invention provides a bandwidth scheduling method for a cache server. The method comprises the following steps: acquiring latest page view information of a target cache server under each service type at a period starting moment according to a preset detection period; obtaining a target health value calculation formula fitted based on the historical health value and historical page view information of the target cache server, and a rated health value of the target cache server; and performing bandwidth scheduling on the target cache server based on the latest page view information, the target health value calculation formula and the rated health value. According to the invention, the network service quality can be effectively improved.

The application discloses a CPU task immigration method and system based on bandwidth scheduling. The method comprises: selecting N CPUs from all CPUs of a computer; and according to a preset immigration period, performing overall CPU task immigration on the N CPUs periodically. According to the application, N sorted CPU tasks are immigrated to N sorted CPUs one to one according to corresponding positions after sorting; immigration of busy CPU tasks to idle CPUs and immigration of idle CPU tasks to busy CPUs are implemented so as to ensure integral optimization on the operation system scheduling process; and moreover, according to the application, the overall CPU task immigration is performed periodically according to the preset immigration period so as to avoid a phenomenon of switching the CPU tasks frequently, also reduce frequency of CPU task switching and reduce system cost.

The invention provides an electric power optical fiber to the home bandwidth allocation method and apparatus, and belongs to the technical field of electric power. The method comprises the following steps: within the current polling period, based on a dynamic bandwidth scheduling flow table, matching different service requests of each ONU with the flow table entries one by one to obtain the priority of the service request of each ONU and the preset algorithm necessary for bandwidth distribution; and allocating the bandwidth to the service request of each ONU according to the priority sequenceof the service request of each ONU and the preset algorithm necessary for the service request of each ONU. The traditional single DBA algorithm is not used, but different DBA algorithms are adopted for different services on the basis of the electric power optical fiber to the home service demands, and the service priority strategy of comprehensive scheduling of user electric power type and internet service type is provided for achieving bandwidth allocation so as to ensure the preferred scheduling of the service with high priority and ensure the instantaneity.

A dynamic bandwidth allocation method of network slices and an OLT relate to a DBA method of a PON system, and the method comprises the steps of a1, setting a service quality level of each network slice, and establishing a corresponding relationship with T-CONT; configuring the remaining bandwidth scheduling type of the T-CONT to be none, NA or BE; a2, according to the bandwidth requirement collected in the last DBA period of each T-CONT, allocating the bandwidth of the current DBA period to the network slice, wherein the bandwidth allocated to each T-CONT is not greater than the sum of the fixed bandwidth and the guaranteed bandwidth; a3, if the PON port has the unallocated bandwidth, sequentially meeting the bandwidth requirements of the T-CONT with the remaining bandwidth scheduling type of NA according to the service quality level; and a4, if the PON port still has the unallocated bandwidth, sequentially meeting the bandwidth requirements of the T-CONT with the remaining bandwidthscheduling type of BE according to the service quality level. According to the invention, differentiated quality guarantee services are provided for different network slice users.

The invention provides a resource allocation indication method, a terminal and a base station. The method, the terminal and the base station disclosed in the invention are aimed at solving a problem that an NR system supports a plurality kinds of working bandwidth multiplexing, resource fragmentization can be caused, and effectiveness of large bandwidth scheduling can be lowered. According to themethod, the terminal and the base station disclosed in the invention, a DCI comprises a plurality of RAI fields, and each RAI field indicates a segment continuous or non-continuous logic resource. Themethod, the terminal and the base station can be used for effectively performing bandwidth scheduling operation when the plurality kinds of working bandwidth multiplexing is supported.

The invention discloses a bandwidth scheduling method and device for associated streams in a data center. The bandwidth scheduling method comprises the following steps: a master controller selects bottleneck data streams of each associated stream according to a collected associated stream bandwidth request; the master controller allocates a transmission bandwidth which meets a first condition to each bottleneck data stream, and determines an estimated deadline of the associated stream to which each bottleneck data stream belongs according to the transmission bandwidth allocated to each bottleneck data stream; and the master controller allocates the transmission bandwidths to non-bottleneck data streams in each associated stream according to the estimated deadline of each associated stream, and when the transmission bandwidths allocated to the non-bottleneck data streams in all associated streams meet a second condition, determines the estimated deadline of each associated stream and the transmission bandwidth allocated to each data stream in each associated stream. According to the bandwidth scheduling method and device for the associated streams in the data center disclosed by the invention, the bandwidth dynamic scheduling for an all-optical network in the optical burst switching data center can be realized in combination with the associated streams of an application in the data center.

A design structure embodied in a machine readable storage medium for designing, manufacturing, and / or testing a design for scheduling the servicing of data requests, using the variable latency mode, in an FBDIMM memory sub-system is provided. A scheduling algorithm pre-computes return time data for data connected to DRAM buffer chips and stores the return time data in a table. The return time data is expressed as data return time binary vectors with one bit equal to “1” in each vector. For each received data request, the memory controller retrieves the appropriate return time vector. Additionally, the scheduling algorithm utilizes an updated history vector to determine whether the received request presents a conflict to the executing requests. By computing and utilizing a score for each request, the scheduling algorithm re-orders and schedules the execution of selected requests to preserve as much data bus bandwidth as possible, while avoiding conflict.

The invention relates to a bandwidth scheduling method and device. The method comprises the following steps: determining at least one link forming a first path when loading the first path in a network; acquiring path actual available bandwidth of each link in at least one link occupied by the first path; identifying whether the path actual available bandwidth satisfies the demand occupied bandwidth of the first path, if the path actual available bandwidth does not satisfy the demand occupied bandwidth, distributing the bandwidth for the first path from residual distributable bandwidth of eachlink in at least one link. According to the bandwidth scheduling method and device provided by the invention, the bandwidth can be distributed for the path according to the path attributed of the loaded path, the standby path occupied bandwidth can be dynamically reduced, the use ratio of the bandwidth is improved under the condition of guaranteeing the disaster recovery effect as much as possible, so that the network can bear more data stream service.

The invention relates to a QoS mapping method for a WiFi and WiMAX fused model. WiFi meets an IEEE802.11e standard, and WiMAX meets an IEEE802.16e standard. Mapping access equipment is arranged between WiFi and WiMAX networks. In the mapping access equipment, a one-to-one correspondence mapping table for service flow with the same service flow type and different service flow formats between WiMAX and WiFi is established. The WiFi and WiMAX networks respectively schedule service flow in a way of regarding service flow of the opposite-side network as service flow of the own network via a mapping relation. Mutual forwarding of data packets of the WiFi and WiMAX networks is realized via the mapping access equipment. According to the method, fusion of the WiMAX and WiFi networks can be realized via the mapping access equipment with MAC and PHY layer interfaces supporting WiFi and WiMAX simultaneously without modification of WIMAX base stations of the WiMAX network and client-terminal equipment in the WiFi network. Flow in the fused network is converged to the WIMAX base stations of the WiMAX network so that further bandwidth scheduling is facilitated. The method has advantages of being rapid in link establishment, low in deployment cost and high in use efficiency.

The invention discloses a CDN bandwidth scheduling system based on big data processing. The CDN bandwidth scheduling system comprises a CDN node monitoring unit, a bandwidth scheduling management center and a CDN node bandwidth scheduling unit, the output end of the CDN node monitoring unit is electrically connected with the input end of a bandwidth scheduling management center, the output end ofthe bandwidth scheduling management center is electrically connected with the input end of a CDN node bandwidth scheduling unit, and the CDN node monitoring unit is arranged on a CDN node server. Andthe CDN node monitoring unit is used for carrying out monitoring and data acquisition on the state of the CDN node server in real time. According to the CDN node bandwidth adjusting method and the CDNnode bandwidth adjusting device, the CDN node bandwidth can be periodically adjusted by arranging the periodic bandwidth processing unit and the real-time bandwidth processing unit, meanwhile, the CDN node bandwidth is dynamically adjusted in real time when the CDN node has an accidental task, weight analysis and queue maintenance are carried out on the CDN node accidental task, the CDN responseefficiency is improved, and the user experience is enhanced.

The invention discloses an indoor terahertz BWP and power scheduling method and device. The indoor terahertz BWP and power scheduling method comprises the steps of: compensating a defect that a terahertz wave is not suitable for indoor transmission through employing an intelligent reflection surface IRS and NOMA, converting an indoor environment where terahertz is matched with IRS propagation intoa channel model, and converting the optimal wireless resource scheduling in the indoor terahertz IRS auxiliary system into a function optimization design with random constraints; adopting PPO to train strategies and corresponding actions so as to schedule power and bandwidth, wherein an actor part generates continuous power scheduling, and a reviewer part generates discrete bandwidth scheduling;meanwhile, adopting gradient-assisted primal-dual solving to obtain the optimal solutions of the two resource schedules, and then providing an iterative joint bandwidth and power scheduling method toimprove the information transmission rate and economic benefits to the maximum extent. According to the indoor terahertz BWP and power scheduling method and the device, reasonable scheduling of indoorbandwidth and power resources can be realized, and maximization of economic benefits and energy effectiveness can be realized.

The invention discloses a bandwidth scheduling method and device. The method includes monitoring the real-time bandwidth of nodes; and determining bandwidth adjusting strategies according to the processing capability of the nodes when monitored bandwidth of bandwidth judgment nodes meets bandwidth reduction conditions, and executing the bandwidth adjusting strategies. The device includes a monitoring module used for monitoring the real-time bandwidth of the nodes, a judgement module used for judging whether the monitored bandwidth of bandwidth judgment nodes meets the bandwidth reduction conditions, a strategy determining module used for determining the bandwidth adjusting strategies according to the processing capability of the nodes when the judgement module judges whether the monitoredbandwidth of bandwidth judgment nodes meets the bandwidth reduction conditions, and a strategy execution module used for executing the bandwidth adjusting strategies. Intelligent and automatic processing can be realized, so that costs can be saved, and processing efficiency can be enhanced; and whether the nodes run high or not can be judged through predicted means, so that the judgement that whether the nodes run high or not can be more accurate.

The invention provides a bandwidth scheduling method. In the method, a bandwidth allocation device receives a bandwidth request message sent by a message conversion device, wherein the bandwidth request message comprises a bandwidth requirement, and the bandwidth requirement is a bandwidth needed by a user side to complete service transmission. The bandwidth required. The bandwidth allocation device performs calculation according to the bandwidth requirement to obtain first bandwidth grant information and second bandwidth grant information, wherein the first bandwidth grant information is bandwidth information corresponding to the service and allocated to user side equipment, and the second bandwidth grant information is bandwidth information corresponding to the service and allocated to second access equipment. The bandwidth allocation device transmits the first bandwidth grant information to the user side equipment through the message conversion device. The bandwidth allocation device transmits the second bandwidth grant information to the second access equipment through first access equipment.