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32results about How to "Guaranteed switching performance" patented technology
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Method, apparatus and system for implementing remote internal memory exchange
ActiveCN101403992AImplement remote memory swapIncrease profitInput/output to record carriersMemory adressing/allocation/relocationInternal memoryUtilization rate
The embodiment of the invention discloses a method for achieving remote memory swap, a device and a system thereof. The method comprises the following steps: a machine page is released from a machine memory of a virtual machine, and the machine page is mapped with a physical page; the content of the physical page mapped with the machine page is transmitted to remote swap space, wherein, the remote swap space is established on a remote physical host computer. The device for achieving the remote memory swap disclosed by the embodiment of the invention comprises a page reclaim module and a remote transmission module. Partial memory of the virtual machine is swapped to the free memory of the remoter physical host computer by the method, the device and the system, and the quantity and the execution efficiency of aggregate virtual machines on a group of host computers are improved to realize higher utilization rate of the physical host computers and the lower total cost of ownership at the premise of fully ensuring the page swapping performance of the virtual machines.
Owner:HUAWEI TECH CO LTD +1
Channel reservation switching control method based on service priority
InactiveCN102244904AReduce handover failure rateGuaranteed completion rateNetwork traffic/resource managementCurrent cellTelecommunications
The invention relates to a channel reservation switching control method based on service priority. The method comprises the following steps: a current cell acquires the position information of users regularly; when the users move to the border of the current cell, the current cell notifies a neighboring cell to be switched to; the neighboring cell sets different reserved channels for different users on the basis of service priority according to the occupation condition of channels of the neighboring cell; and when the reserved channels are not enough, urgent users occupy channels reserved for users with low priority in a complete occupation way, and the users with low priority enter a queuing line and wait for scheduling. By utilizing the method disclosed by the invention, the switching failure rate of the users can be reduced obviously, the switching performance of the urgent users can be guaranteed, and the requirements of urgent communication tasks can be met.
Owner:南京洲腾健康科技有限公司
Data transmission method for mobile receiver in publish/subscribe system
ActiveUS20160234738A1Ensure scalabilityLoss of movementTransmissionWireless communicationPacket lossPublish–subscribe pattern
A method is disclosed providing data transmission for a mobile receiver in a publish / subscribe system. The method comprises: 1) handover trigger: detecting a new access router AR2 by a mobile receiver in the publish / subscribe system; and sending a handover trigger message comprising AR2 identification information from the mobile receiver to a router AR1 currently connected to the mobile receiver; 2) handover preparation: receiving the handover trigger message by the AR1; selecting a branch node of the most recent position before handover as a proxy for the mobile receiver; and forwarding data packets to paths of the mobile receiver before and after handover; and 3) handover execution: handover access router of the mobile receiver to AR2 by the proxy; after the step of handover access router, triggering AR2 and AR1 to update data transfer for the mobile receiver; sending the data packets through the AR2 to the mobile receiver. The present invention has high handover performance, and can reduce handover time delay and data packet loss.
Owner:CHINA INTERNET NETWORK INFORMATION CENTER
Survey information configuration method and system and base station
The embodiment of the invention relates to a wireless communication technology, in particular to a survey information configuration method and system and a base station, which are used for solving the problem that a network side in the prior art can not carry out correct survey configuration on an HeNB (Home enhanced Node B) with a changed frequency point so that the inbound handover property is influenced. The method provided by the embodiment of the invention comprises the following steps: the base station determines frequency points, corresponding to an ECGI (E-UTRAN (Evolved Universal Terrestrial Radio Access Network) Cell Global Identifier), from a user terminal on the basis of the corresponding relationship between an updated ECGI and the frequency points, wherein the corresponding relationship between the updated ECGI and the frequency points is that the ECGI corresponds to the current frequency point of a femtocell; and the base station searches frequency points of the survey information which are not configured for the user terminal, from the determined frequency points and configures the survey information of the searched frequency points for the user terminal. By adopting the method provided by the embodiment of the invention, the accuracy of survey configuration for the HeNB with a changed frequency point can be improved, and the property of UE (User Equipment) forcarrying out inbound handover can be guaranteed.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Deceleration mechanism for switching devices and switching device
ActiveCN109509648AIncrease conversion timeAvoid short circuit failureContact driving mechanismsEmergency protective devicesActuator
The embodiments of the subject described herein provide a deceleration mechanism (100) for switching devices and a switching device. The deceleration mechanism (100) includes a shaft (1) which is suitable for rotating in response to the operation of an actuator to drive a mobile element of a switching device, at least one deceleration wheel (2) which is fixed on the shaft (1) and has a deceleration profile (6), and a movable rocker (4) which is jointed with the deceleration wheel (2). The deceleration wheel (2) is suitable for causing the rocker (4) to move close to the deceleration profile (6) on the deceleration wheel (2) in response to the rotation of the shaft (1) in order to decelerate the rotation of the shaft (1). The deceleration mechanism can decelerate the operation of the mobileelement of the switching device without affecting the switching performance and service life of the switching device.
Owner:ABB (SCHWEIZ) AG
Combined loading balancing switching self-optimization method in mobile communication system
ActiveCN102857947AGuaranteed switching performanceReduce handover failure rateNetwork traffic/resource managementFailure rateMobile communication systems
The invention discloses a combined loading balancing switching self-optimization method in a mobile communication system. The combined loading balancing switching self-optimization method in the mobile communication system comprises the following steps: according to the switching starting process of LTE (long term evolution), the ordered set theta of eNB calculation of LTE is obtained; in the optimization period T1, the switching failure rate and the ping-pong switching rate of each eNB to a notch are recorded, and the self-optimization algorithm of external circulation is executed, thus the switching performance meets the requirement; when the switching performance of the system meets the requirement, in the optimization period T2, the admitted rejection rate is recorded by each eNB, the total switching failure rate is recorded, and the switching parameter combination in the ordered set theta is regulated; and each eNB determines whether the total switching failure rate is minimum, and the switching parameter combination of the next optimization period T2 is determined. According to the invention, the switching performance of the system is ensured; the switching parameters can be regulated through self optimization according to the variation of target cell loading, thus the total switching failure rate becomes minimal, and meanwhile, the function of loading balancing can be finished partially.
Owner:上海瀚芯实业发展合伙企业(有限合伙)
Link backup system and method for multicast video code streams
ActiveCN111372144ANo increase in construction costsImprove experienceSelective content distributionTelecommunicationsMulticast address
The invention belongs to the technical field of link backup, particularly relates to a link backup system of a multicast video code stream and a control method and system, and aims to solve the problem that the cost is increased due to the fact that the bandwidth of the multicast video code stream or a video multicast stream is increased on the premise of real-time backup switching in the existingbackup technology. The system comprises an encoding module and a decoding module, wherein the encoding module and the decoding module configure the same multicast address for network ports of main and standby links respectively; only sending the group adding message and the multicast video heartbeat message, and establishing an information forwarding channel; the decoding module performs duplicate checking and discarding processing on the code stream message according to the code stream serial number; detecting the states of the main link and the standby link, judging a switching condition, and switching the code stream sending link if the coding process meets the condition; and if the decoding process meets the condition, switching the code stream receiving cache by taking the video frame as the boundary. According to the invention, the cost of the core switch is not increased, the link backup of the multicast code stream is realized, and an automatic, real-time and video seamless switching effect is achieved.
Owner:BEIJING DIGIBIRD TECH CO LTD
Method and device for signal degradation trigger protection switching of link aggregation port
ActiveCN105281926AGuaranteed switching performanceData switching networksHigh level techniquesUltrasound attenuationLink aggregation
The embodiment of the invention discloses a method and a device for signal degradation trigger protection switching of a link aggregation port. The method comprises the steps of acquiring member port state information of the link aggregation port from a state register of the link aggregation port; acquiring a quantity value X of member ports, in which signal degradation optical path attenuation is generated, of the link aggregation port according to the acquired member port state information; comparing the quantity value X of the member ports, in which signal degradation optical path attenuation is generated, of the link aggregation port with a predetermined threshold value; and when the quantity value X of the member ports, in which signal degradation optical path attenuation is generated, of the link aggregation port is greater than the predetermined threshold value, setting all member ports of the link aggregation port to be a signal degradation state, and notifying a virtual segment layer to carry out fault reporting and service protection switching so as to switch to a backup link, thereby realizing protection switching and back switching of services when SD (signal degradation) occurs if an Ethernet service outlet is the link aggregation port, and ensuring the carrier-class switching performance.
Owner:ZTE CORP
Performance switching and user service quality joint optimization method in wireless communication
ActiveCN111526527AImprove switching performanceImprove throughputHigh level techniquesWireless communicationQuality of serviceNetwork switch
The invention discloses a performance switching and user service quality joint optimization method in wireless communication. The method comprises the following steps: firstly combining a user servicequality evaluation index, a switching performance evaluation index and a ping-pong switching rate to serve as an optimization target of a switching parameter optimization problem; abstracting the switching parameter optimization problem into a Markov decision process; employing a model-free reinforcement learning method; interaction between a base station and a network environment, and training each state-action pair to obtain a Q value to evaluate a reward expected value obtained by using a specific switching parameter combination in a specific network state; and finally, selecting a subsequent switching parameter combination according to a trained strategy to optimize the comprehensive switching performance. According to the method, the throughput of the user can be improved while the network switching performance is ensured.
Owner:SOUTHEAST UNIV +1
Video image switching control method and device, computer equipment and storage medium
ActiveCN112153412AGuaranteed correctnessGuaranteed switching performanceSelective content distributionData packStream data
The invention relates to a video image switching control method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a code stream data packet sentby at least one terminal during picture switching; decoding the code stream data packet to obtain corresponding video frame image data; acquiring custom configuration information, and matching the terminal identifier information of the video frame image data in the custom configuration information with the terminal identifier information of the decoded video frame image data; when matching succeeds, splicing the video frame image data according to a preset display mode to obtain spliced video frame image data, and returning the spliced video frame image data to the corresponding terminal. By adopting the method, the accuracy of each frame of image in multiple pictures during video image switching can be effectively improved.
Owner:深圳市捷视飞通科技股份有限公司
Sealed alternating-current metal switch equipment mechanism chamber and alternating-current metal switch equipment
ActiveCN112436424AImprove sealingSimple structureSubstation/switching arrangement casingsArrangements with metal casingEngineeringSwitchgear
The invention belongs to the technical field of switch equipment, and discloses a sealed alternating-current metal switch equipment mechanism chamber and alternating-current metal switch equipment. The metal switch equipment mechanism chamber comprises a switch chamber, a mechanism chamber and a cable chamber, wherein the mechanism chamber comprises a mechanism chamber body unit, a mechanism chamber panel and an operating mechanism; the rear part of the mechanism chamber body unit is fixed on the switch chamber, and the mechanism chamber body unit and the switch chamber are sealed; and the mechanism chamber panel is fixed to the front portion of the mechanism chamber body unit, and the space between the mechanism chamber panel and the mechanism chamber body unit is sealed. The operation hole in the panel of the mechanism chamber is sealed; and an interlocking piece is arranged between the mechanism chamber and the cable chamber, and the interlocking piece is sealed by a sealing conversion device. The mechanism chamber is simple in overall sealing structure and low in cost.
Owner:BEIJING SOJO ELECTRIC
An automatic feeding system for chemical production
InactiveCN104874332BFix damageComply with modern chemical production safety requirementsFeed devicesLiquid level measurementDifferential pressure
The invention relates to an automatic feeding system for chemical production. The automatic feeding system comprises a feeding component, an online density measurement component, a differential pressure type liquid level measurement component and a pressure type flow sensor component. Problems about more on-site personnel, rough management, high potential safety hazard, frequent occurrence of safety production accidents and injuries to the personnel can be solved, problems about high randomness of on-site personnel in operation control, poor control accuracy, great affection on product quality, high production cost of products, failure in being effectively applicable to chemical industrial development and meeting safety requirements on the chemical production and the like are solved, product links can be effectively monitored and controlled, on-site personnel can be greatly reduced, and modern chemical production safety requirements are conformed to.
Owner:JIANGSU HUAERWEI TECH GRP
Data transmission method for mobile receiver in publish/subscribe system
ActiveUS9681345B2Ensure scalabilityGuaranteed switching performanceError preventionWireless communicationPacket lossTime delays
A method is disclosed providing data transmission for a mobile receiver in a publish / subscribe system. The method comprises: 1) handover trigger: detecting a new access router AR2 by a mobile receiver in the publish / subscribe system; and sending a handover trigger message comprising AR2 identification information from the mobile receiver to a router AR1 currently connected to the mobile receiver; 2) handover preparation: receiving the handover trigger message by the AR1; selecting a branch node of the most recent position before handover as a proxy for the mobile receiver; and forwarding data packets to paths of the mobile receiver before and after handover; and 3) handover execution: handover access router of the mobile receiver to AR2 by the proxy; after the step of handover access router, triggering AR2 and AR1 to update data transfer for the mobile receiver; sending the data packets through the AR2 to the mobile receiver. The present invention has high handover performance, and can reduce handover time delay and data packet loss.
Owner:CHINA INTERNET NETWORK INFORMATION CENTER
Switch synchronization method for asynchronous CDMA system
InactiveCN100401838CGuaranteed success rateGuaranteed switching performanceSynchronisation arrangementCode division multiplexAsynchronous cdmaTimestamp
Using matrix list of time difference and timestamp between Tcell matrix list in NodeB and NodeB stored in each local memory of RNC, the invention saves relative synchronization information. Thus, when there is no synchronization information reported from UE, switch synchronization can be carried out by using saved information. The invention guarantees switching success ratio and switching performance.
Owner:HUAWEI TECH CO LTD
A method and device for triggering protection switching due to signal degradation of a link aggregation port
ActiveCN105281926BGuaranteed switching performanceData switching networksHigh level techniquesUltrasound attenuationCarrier grade
The embodiment of the present invention discloses a method and device for triggering protection switching due to signal degradation of a link aggregation port, wherein the method includes: acquiring the member port status information of the link aggregation port from the status register of the link aggregation port; The member port status information of the link aggregation port is obtained to obtain the quantity value X of the signal degradation optical path attenuation in the member port of the link aggregation port; the quantity value X of the signal degradation optical path attenuation in the member port of the link aggregation port is compared with a predetermined threshold; When the number X of signal degradation optical path attenuation in the member ports of the link aggregation port is greater than the predetermined threshold, set the state of all member ports of the link aggregation port to the signal degradation state, and notify the virtual segment layer to report the fault and perform service protection switching On the backup link, the Ethernet service egress is realized when the SD optical failure occurs on the link aggregation port to realize the protection switching and switching back of the service, ensuring the switching performance of the carrier level.
Owner:ZTE CORP
Series-parallel connection switching device, battery pack and vehicle
PendingCN114824668ARealize series-parallel switchingGuaranteed switching performanceSecondary cells charging/dischargingCell component detailsElectrical batteryElectrical connection
The invention discloses a series-parallel connection switching device, a battery pack and a vehicle, and aims to solve the problem that a plurality of battery modules cannot be normally used after series-parallel connection switching, the series-parallel connection switching device comprises a rotating body and a fixed seat, and the rotating body is provided with a plurality of limiting grooves and an electric path; the plurality of limiting grooves and the electric connection positions of the electric paths are distributed at intervals along the rotating direction of the rotating body; the fixed seat is rotationally connected with the rotating body, the fixed seat is provided with a plurality of tab extending holes and a plurality of bulges, the bulges are provided with lifting surfaces, and the lifting surfaces have projection components in the axial direction of a rotating shaft of the rotating body and the rotating direction of the rotating body; and when the rotating body and the fixed seat rotate relatively, the rotating body is guided by the lifting surface to be far away from or close to the fixed seat, so that the electric connection position is separated from or electrically connected with the tab of the battery module. According to the series-parallel connection switching device provided by the invention, the service life of the tabs is prolonged, and stable electric connection of the battery module in a working mode and a charging mode is ensured.
Owner:DONGFENG MOTOR GRP
Digital electrohydraulic controller direct-current power supply switching system
PendingCN110021994AImprove reliabilityGuaranteed switching performanceCasings/cabinets/drawers detailsMetal casingsDirect currentRelay
The invention discloses a digital electrohydraulic controller direct-current power supply switching system. The system comprises a switching logic circuit board, a switching output power supply moduleand a power-off alarm module, wherein the switching logic circuit board comprises a main power supply and an auxiliary power supply; the main power supply is connected with relays DCR1, DCR2, K5 andK7; the auxiliary power supply is connected with relays DCR3, K6 and K8; the switching output power supply module comprises a first output power supply, a second output power supply, a third output power supply, a fourth output power supply and a fifth output power supply; the first output power supply is connected with K5 and K7; the second output power supply is connected with DCR1; the third output power supply is connected with DCR2; the fourth output power supply is connected with K5 and K7; and the fifth output power supply is connected with DCR2. Power supply control is provided for thefive output power supplies through the main power supply and the auxiliary power supply, so that various disadvantages existing in an original switching device are eliminated effectively.
Owner:DONGFANG ELECTRIC AUTOMATIC CONTROL ENG CO LTD
Survey information configuration method and system and base station
ActiveCN102111918BImprove accuracyImprove experienceWireless communicationRadio access networkUser equipment
Owner:DATANG MOBILE COMM EQUIP CO LTD
Array substrate, preparation method thereof and display panel
ActiveCN112768477AGuaranteed switching performanceImprove switching performanceSolid-state devicesSemiconductor/solid-state device manufacturingActive layerMaterials science
The embodiment of the invention discloses an array substrate, a preparation method thereof and a display panel, the array substrate comprises a photosensitive transistor and a switch transistor, an active layer of the photosensitive transistor comprises a first photosensitive active layer, an active layer of the switch transistor comprises a second photosensitive active layer, and the thickness of the second photosensitive active layer is smaller than that of the first photosensitive active layer; or, the active layer of the photosensitive transistor comprises a first photosensitive active layer, and the active layer of the switch transistor is not provided with a second photosensitive active layer. The array substrate provided by the embodiment of the invention has the advantages that a shading layer does not need to be prepared above the active layer area of the switching transistor to improve the switching performance of the switching transistor, a photomask manufacturing process is reduced, and a shading layer is reduced, so that the preparation cost of the array substrate and the preparation cost of the display panel are reduced.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Method, apparatus and system for implementing remote internal memory exchange
ActiveCN101403992BIncrease profitGuaranteed switching performanceInput/output to record carriersMemory adressing/allocation/relocationInternal memoryTerm memory
The embodiment of the invention discloses a method for achieving remote memory swap, a device and a system thereof. The method comprises the following steps: a machine page is released from a machine memory of a virtual machine, and the machine page is mapped with a physical page; the content of the physical page mapped with the machine page is transmitted to remote swap space, wherein, the remote swap space is established on a remote physical host computer. The device for achieving the remote memory swap disclosed by the embodiment of the invention comprises a page reclaim module and a remote transmission module. Partial memory of the virtual machine is swapped to the free memory of the remoter physical host computer by the method, the device and the system, and the quantity and the execution efficiency of aggregate virtual machines on a group of host computers are improved to realize higher utilization rate of the physical host computers and the lower total cost of ownership at the premise of fully ensuring the page swapping performance of the virtual machines.
Owner:HUAWEI TECH CO LTD +1
Route protection converting method and device
ActiveCN102611618BReduce complexityAchieve protectionData switching networksAddress Resolution ProtocolTraffic capacity
The invention relates to a route protection converting method and device. The route protection converting method comprises the following steps of: configuring a three-layer virtual interface bound with a two-layer VPN (Virtual Private Network) on device nodes of two ends of the two-layer VPN; establishing a protection group relation between a protection route and a protected route according to the binding relation of the two-layer VPN and the three-layer virtual interface; and converting a link flow rate from the protected route to the protection route through the three-layer virtual interface according to the protection group relation when a protected link has failure. According to the route protection converting method disclosed by the invention, through the three-layer virtual interface ARP (Address Resolution Protocol) protection policy, without changing an original network topology and two / three-layer domain partition, the protection of an over two-layer network domain on a three-layer network domain route is realized, a problem of flow interruption of the three-layer route at the two / three-layer network connection caused by DOWN (Direct Memory Access Controller) is solved, and additional devices and a hardware lookup operation do not need to be additionally arranged; and in addition, the expandability of a network structure is improved, the network complexity is reduced and the maintenance cost is saved when conversion performances are ensured.
Owner:ZTE CORP
Emergency braking device of ore self-dumping car
PendingCN114148370AImprove practicalityGuaranteed switching performanceRail brake actuationSlagEmergency brake
The invention discloses an emergency braking device for an ore self-dumping car, and relates to the technical field of water granulated slag transportation equipment, a three-way pipe and a braking pipeline are arranged, so that a control channel is additionally arranged on a brake of the self-dumping car, and the position of a braking switch is arranged, so that a shunting worker can control the brake of the self-dumping car by himself / herself; according to the ore automatic dumping car, the braking time of the automatic dumping car is greatly saved, safety accidents are effectively avoided, and safe and efficient transportation of the ore automatic dumping car is greatly improved; the movable joint is arranged, so that the connecting pipe and the whole brake pipeline can be flexibly replaced and maintained, and the practicability of the whole brake pipeline is improved; due to the arrangement of the pipe clamp, the transverse pipeline can be more stably fixed on the rack, so that the switching effect of the brake switch on the automatic dumping car brake is ensured; the arrangement of the closed joint effectively prevents dust and other impurities from entering the transverse pipeline, and the normal use of the brake switch is effectively ensured.
Owner:NANJING IRON & STEEL CO LTD
Channel reservation switching control method based on service priority
InactiveCN102244904BReduce handover failure rateGuaranteed completion rateNetwork traffic/resource managementCurrent cellTelecommunications
The invention relates to a channel reservation switching control method based on service priority. The method comprises the following steps: a current cell acquires the position information of users regularly; when the users move to the border of the current cell, the current cell notifies a neighboring cell to be switched to; the neighboring cell sets different reserved channels for different users on the basis of service priority according to the occupation condition of channels of the neighboring cell; and when the reserved channels are not enough, urgent users occupy channels reserved for users with low priority in a complete occupation way, and the users with low priority enter a queuing line and wait for scheduling. By utilizing the method disclosed by the invention, the switching failure rate of the users can be reduced obviously, the switching performance of the urgent users can be guaranteed, and the requirements of urgent communication tasks can be met.
Owner:南京洲腾健康科技有限公司
Thin film transistor, display panel and manufacturing method of thin film transistor
ActiveCN108987470BImprove performanceImprove stabilityTransistorSemiconductor/solid-state device manufacturingThin membraneEngineering
The embodiment of the invention discloses a thin film transistor, a display panel and a manufacturing method of the thin film transistor. The thin film transistor comprises: an active layer arranged on the surface of a glass substrate, and a source electrode and a drain electrode connected to the active layer; a first insulating layer arranged on a side of the active layer away from the glass substrate; a gate layer arranged on the first The insulating layer is away from the side of the glass substrate; the second insulating layer covers the source, drain and gate layers, and the second insulating layer is provided with through holes, which expose the source and drain; the material used in the active layer is (MO)x(RO)y(TO)z, where 0
Owner:深圳庸行科技有限公司
Electronic remote control cipher door lock
InactiveCN101280647AGuaranteed switching performanceSimple structureElectric permutation locksInfraredElectrical battery
The invention relates to an electronic telecontrol password gate lock which comprises a lock body, an infrared remote controller, an infrared receiving feed rod and a power supply unit which is arranged at the lower part of the lock body, connected with the infrared receiving feed rod and composed of a conducting wire and a battery pack. The electronic telecontrol password gate lock has simple structure, convenient operation, easy execution and no hindrance during application process, can guarantee the switch performance of the electronic telecontrol lock and is convenient, safe, complete, beautiful and suitable for popularization.
Owner:宋建东
Thin film transistor
InactiveCN111524978AGuaranteed switching performanceTransistorSolid-state devicesPhysicsSemiconductor
A thin film transistor provided by the invention comprises an active layer, an etching barrier layer, a source electrode and a drain electrode which are arranged in a stacked mode, the active layer comprises a channel region and a contact region, the channel region comprises a first semiconductor region and a second semiconductor region, the source electrode covers the first semiconductor region,and the drain electrode covers the second semiconductor region; and through blocking of the source electrode and the drain electrode, the switching effect of the thin film transistor is ensured.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Link backup system and method for multicast video stream
ActiveCN111372144BNo increase in construction costsImprove experienceSelective content distributionTelecommunicationsMulticast address
The invention belongs to the technical field of link backup, and in particular relates to a link backup system and control method and system of a multicast video code stream, aiming to solve the problem that the existing backup technology will increase the number of multicast video codes under the premise of real-time backup switching. streaming or video multicast streaming bandwidth, which leads to the problem of rising costs. The invention includes: the encoding module and the decoding module respectively configure the same multicast address for the network ports of the active and standby links; only send the group adding message and the multicast video heartbeat message, and establish an information forwarding channel; the decoding module according to the code stream The serial number is used to check and discard the code stream message; detect the status of the main and standby links, and determine the switching conditions. If the encoding process meets the conditions, the code stream sending link will be switched; Frames are switched for boundaries. The invention does not increase the cost of the core switch, realizes the link backup of the multicast code stream, and achieves automatic, real-time and seamless video switching effects.
Owner:BEIJING DIGIBIRD TECH CO LTD
Combined loading balancing switching self-optimization method in mobile communication system
ActiveCN102857947BGuaranteed switching performanceReduce handover failure rateNetwork traffic/resource managementFailure rateMobile communication systems
The invention discloses a combined loading balancing switching self-optimization method in a mobile communication system. The combined loading balancing switching self-optimization method in the mobile communication system comprises the following steps: according to the switching starting process of LTE (long term evolution), the ordered set theta of eNB calculation of LTE is obtained; in the optimization period T1, the switching failure rate and the ping-pong switching rate of each eNB to a notch are recorded, and the self-optimization algorithm of external circulation is executed, thus the switching performance meets the requirement; when the switching performance of the system meets the requirement, in the optimization period T2, the admitted rejection rate is recorded by each eNB, the total switching failure rate is recorded, and the switching parameter combination in the ordered set theta is regulated; and each eNB determines whether the total switching failure rate is minimum, and the switching parameter combination of the next optimization period T2 is determined. According to the invention, the switching performance of the system is ensured; the switching parameters can be regulated through self optimization according to the variation of target cell loading, thus the total switching failure rate becomes minimal, and meanwhile, the function of loading balancing can be finished partially.
Owner:白盒子(上海)微电子科技有限公司
Reduction mechanism and switching device for switching device
ActiveCN109509648BIncrease conversion timeAvoid short circuit failureContact driving mechanismsEmergency protective devicesJoystickSubject matter
Embodiments of the subject matter described herein provide a reduction mechanism (100) for a switching device and a switching device. The reduction mechanism (100) comprises: a shaft (1) adapted to rotate in response to the operation of an actuator to drive a moving element of the switching device; at least one reduction wheel (2) fixed to the shaft ( 1) with a deceleration profile (6); and a movable rocker (4) which engages the deceleration wheel (2). The reduction wheel (2) is adapted to cause the rocker (4) to move against a reduction profile (6) on the reduction wheel (2) in response to rotation of the shaft (1) in order to decelerate the rotation of the shaft (1). The deceleration mechanism can decelerate the operation of the moving element of the switching device without affecting the switching performance and service life of the switching device.
Owner:ABB (SCHWEIZ) AG
Method and apparatus for sending identification information and call switching request
InactiveCN107517453ASolve the problem that the switch cannot be completedGuaranteed switching performanceConnection managementCommmunication supplementary servicesService domainTelecommunications
Owner:ZTE CORP
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