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3470results about How to "Avoid congestion" patented technology
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Managing bad blocks in various flash memory cells for electronic data flash card
InactiveUS20080082736A1Small sizeLow costMemory architecture accessing/allocationMemory systemsComputer accessFlash memory controller
An electronic data flash card accessible by a host computer, includes a flash memory controller connected to a flash memory device, and an input-output interface circuit activated to establish a communication with the host. In an embodiment, the flash card uses a USB interface circuit for communication with the host. A flash memory controller includes an arbitrator for mapping logical addresses with physical block addresses, and for performing block management operations including: storing reassigned data to available blocks, relocating valid data in obsolete blocks to said available blocks and reassigning logical block addresses to physical block addresses of said available blocks, finding bad blocks of the flash memory device and replacing with reserve blocks, erasing obsolete blocks for recycling after relocating valid data to available blocks, and erase count wear leveling of blocks, etc. Furthermore, each flash memory device includes an internal buffer for accelerating the block management operations.
Owner:SUPER TALENT ELECTRONICS
Robot-enabled case picking
ActiveUS20120330458A1Minimize travel distanceMinimize order distanceProgramme controlDigital data processing detailsUser inputOutput device
A robot-enabled method of picking cases in a warehouse is provided. A robotic vehicle includes a processor configured to access a memory, a user input device, an output device, and a load platform, and has access to an electronically stored representation of a warehouse. The representation includes a map that defines aisles for storing items arranged as pick faces within the warehouse. A pick list is generated from an order; the pick list provides identifications of items to be picked to fulfill the order. Determined from the pick list is a plurality of stops at pick faces associated with the items. A route within the map is generated that includes the plurality of stops. The robotic vehicle iteratively guides itself along the route and automatically stops at each of the plurality of stops to enable loading of the items from the pick list onto the load platform.
Owner:SEEGRID CORPORATION
Flow control arrangement in a network switch based on priority traffic
InactiveUS6981054B1Avoid congestionMaintain reliabilityError preventionFrequency-division multiplex detailsTraffic capacityFrame based
A network switch includes network switch ports, each including a port filter configured for detecting user-selected attributes from a received layer 2 frame. Each port filter, upon detecting a user-selected attribute in a received layer 2 frame, sends a signal to a switching module indicating the determined presence of the user-selected attribute, for example whether the data packet has a prescribed priority value. The network switch includes a flow control module that determines which of the network switch ports should output a flow control frame based on the determined depletion of network switch resources and based on the corresponding priority value of the network traffic on each network switch port. Hence, any network switch port that receives high priority traffic does not output a flow control frame to the corresponding network station, enabling that network station to continue transmission of the high priority traffic. In most cases, the congestion and depletion of network switch resources can be alleviated by sending flow control frames on only those network switch ports that receive lower priority traffic, enabling the network switch to reduce congestion without interfering with high priority traffic.
Owner:GLOBALFOUNDRIES US INC
Radio base station device and mobile communication system
InactiveUS7418273B2Avoid congestionAvoid network congestionError preventionTransmission systemsTraffic capacityRouting table
Owner:MITSUBISHI ELECTRIC CORP
Arrangement for providing optimized connections between peer routers in a tree-based ad hoc mobile network
InactiveUS20060227724A1Reduce necessityAvoid congestionError preventionFrequency-division multiplex detailsEngineeringSelf-organizing network
Mobile routers in a tree-based network topology with a single clusterhead in an ad hoc network establish connectivity based on each attached mobile router sending a neighbor advertisement message to an attachment mobile router via a corresponding egress interface. Any neighbor advertisement message received by a mobile router is used to identify specified network prefixes that are reachable via the source of the neighbor advertisement message. Each attached mobile router outputs to its attachment router another neighbor advertisement message that specifies the network prefix used by the mobile router, and the specified network prefixes from its attached mobile routers. The mobile router also identifies peer mobile routers having the same depth, and selectively shares limited routing information with the peer routers, enabling the mobile router to bypass the clusterhead and reach remote prefixes via the peer routers without burdening the tree.
Owner:CISCO TECH INC
Method and unit for controlling the flow of a TCP connection on a flow controlled network
InactiveUS6925060B2Easy to implementAvoid congestionError prevention/detection by using return channelTransmission systemsMultiplexingComputer science
The invention proposes a method and a unit for controlling the flow of at least one TCP connection between a sender and a receiver. The method is of the type which consists in controlling, at the level of a given multiplexing node through which TCP segments relevant to the connection pass, a window size parameter contained in acknowledgement segments sent back by the receiver. The method comprises the steps of:a) receiving an acknowledgement from the receiver on the up link (receiver to sender) of the connection at the level of said given multiplexing node;b) controlling a window size parameter contained in, said acknowledgement segment on the basis of the difference between, firstly, a first context value associated with the TCP connection, defined as being the sequence number of the last segment that was transmitted from said given multiplexing node on the down link (sender to receiver) of the connection, to which the length of said segment is added, and, secondly, the sequence number indicated in said acknowledgement segment;c) transmitting the acknowledgement segment to the sender the up link of the connection from said multiplexing node with the window size parameter thus controlled.
Owner:MITSUBISHI ELECTRIC CORP
System and method for accessing content of a web page
ActiveUS7219162B2Spread the loadAvoid congestionData processing applicationsDigital data information retrievalClient-sideWeb page
A process and system for visually displaying to a user at a client computer alternative web pages to a desired web page. The invention locates these alternative web pages in search engines by searching for alternative cached copies of web pages and / or mirror sites. A user may view a hotlink to a desired web page on an accessed web page and either be provided with a table of alternative web pages for manually selecting the alternative web page or the invention may automatically, dynamically select the best alternative web page to the originally selected web page.
Owner:RAKUTEN GRP INC
Cellular communication system, network controller and method for obtaining feedback from subscriber communication units
InactiveUS20080043658A1Simple low complexity procedureMore radio resourceReceivers monitoringBroadcast transmission systemsCommunications systemCommunication unit
A method for obtaining feedback from one or more wireless subscriber communication unit(s) related to a broadcast service in a wireless communication system comprising at least one communication cell. The method comprises transmitting a request message by a network controller to one or more wireless subscriber communication unit(s); receiving and processing the request message by a wireless subscriber communication unit; transmitting a layer-1 response signal by the wireless subscriber communication unit in response to the request message; and detecting by the network controller the layer-1 response signal in a particular communication cell, and in response thereto, performs one of the following: (i) entering a point-to-multipoint broadcast mode of operation; (ii) modifying a delivery of the broadcast service in that communication cell.
Owner:SONY CORP
Intelligent parking induction system and method
InactiveCN102436756AImprove satisfactionEasy to transportIndication of parksing free spacesCollection systemControl system
The invention discloses an intelligent parking induction system and a method. The intelligent parking induction system comprises an information collection system, a communication network, a central control system, an Internet and a user terminal, wherein the information collection system is connected with the central control system by the communication network, and the central control system is connected with the user terminal by the Internet. By adopting the technical scheme disclosed by the invention, the use rate of a parking lot can be greatly enhanced, the traffic jam of a city is reduced, the wastage of parking resources is avoided, and the management cost is lowered; and moreover, the satisfaction degree of a user can be enhanced, and a positive action is provided for improving the traffic condition of the city and the service level of a parking lot industry.
Owner:北京百会科技有限公司
Border gateway protocol manager and method of managing the selection of communication links
InactiveUS6829221B1Avoid congestionLeast costError preventionTransmission systemsBorder Gateway ProtocolCommunication link
A border gateway protocol (BGP) management system (10) dynamically determines an optimum or preferred data route (12) from wireline networks (18) into a satellite communication system (11). Multiple gateways (16, 30-34) provide access points to the wireline networks. The management system includes a connectivity matrix which processes (74) information, such as bandwidth availability and route congestion, and then generate a BGP update that is communicated (80) into at least one of the gateways. The BGP update promotes preferred gateways and so identifies a preferred access path to the satellite system. Specifically, the BGP update instruction contains a metric altering a weighting of an identified route data route, which metric effects path selection at a gateway receiving IP datagrams. The metric is derived from information pertaining to a connectivity matrix associated with the satellite system.
Owner:NORTEL NETWORKS LTD
Navigation system and intersection guidance method
ActiveUS20050273256A1Easy to identifyRelieve pressureAnalogue computers for vehiclesInstruments for road network navigationTraffic signalEngineering
When the vehicle approaches an intersection, traffic signals located at the intersection are displayed on an intersection view, a traffic signal to be considered is displayed in a manner so as to be identifiable from the other traffic signals, arrows in the same directions as those of arrow signals for the traffic signal to be considered are displayed; and an arrow corresponding to an arrow signal permitting the vehicle to proceed in the direction of a guidance route is displayed in a manner so as to be identifiable from the other arrows.
Owner:ALPINE ELECTRONICS INC
Robot-enabled case picking
ActiveUS8892241B2Avoid congestionDistance minimizationComputer controlDigital data processing detailsUser inputOutput device
A robot-enabled method of picking cases in a warehouse is provided. A robotic vehicle includes a processor configured to access a memory, a user input device, an output device, and a load platform, and has access to an electronically stored representation of a warehouse. The representation includes a map that defines aisles for storing items arranged as pick faces within the warehouse. A pick list is generated from an order; the pick list provides identifications of items to be picked to fulfill the order. Determined from the pick list is a plurality of stops at pick faces associated with the items. A route within the map is generated that includes the plurality of stops. The robotic vehicle iteratively guides itself along the route and automatically stops at each of the plurality of stops to enable loading of the items from the pick list onto the load platform.
Owner:SEEGRID CORPORATION
Packet repeater
InactiveUS20060215544A1Minimize congestionMinimize packet lossError preventionFrequency-division multiplex detailsPacket lossRepeater
A repeater and method provides a technique to minimize congestion and packet loss, which may be generated when a fault is detected in a ring type packet network or when the network recovers from such a fault. A repeater having a plurality of ports for transmitting and receiving packets in a ring type network for transmitting the received packets on the basis of an address included in a received packet and a transmitting port database indicating an identifier of a port to transmit the packet having the address as the destination, comprises a control packet processing block to detect reception of a fault notifying packet transmitted from a repeater having detected a fault and a control block to update, upon reception of the fault notifying packet from an immediately adjacent repeater, a port identifier of the transmitting port database having a port identifier of the port having received said fault notifying packet into a port identifier of a port connected to another immediately adjacent repeater.
Owner:FUJITSU LTD
Radio base station device and mobile communication system
InactiveUS20060215592A1Avoid congestionAvoid network congestionNetwork traffic/resource managementFrequency-division multiplex detailsRouting tableEngineering
When carrying out a downlink handover, a source base transceiver station from which a mobile node is moving receives packets to be transmitted, via a wireless section, to the mobile node from an IP network, and copies and transfers them to a destination base transceiver station to which the mobile node is moving. On the other hand, when carrying out an uplink handover, the source base transceiver station compares the reliability of transport blocks which are received via a wireless section, from the mobile node and which are demodulated and decoded by the local station with that of transport blocks which are received via an IP network, from another base transceiver station and which are demodulated and decoded thereby, packetizes selected transport blocks with a better quality, and transmits them to a communications-partner node according to a route table, thereby implementing distribution of traffic via the IP network.
Owner:MITSUBISHI ELECTRIC CORP
Route calculation method for a vehicle navigation system
ActiveUS7680596B2Increase and decrease broadcastReduce twistInstruments for road network navigationRoad vehicles traffic controlNavigation systemReceipt
Traffic information, including flow information and incident information, obtained through a traffic management system for providing and facilitating the exchange of traffic information between a remote location and a vehicle may be used in route calculation by a navigation device. The navigation device may recalculate a route based on anticipated user error. Alternatively, the navigation device may recalculate a route using received traffic information triggered by the receipt of a traffic information update, or triggered by the passage of an amount of time. The broadcast rate of traffic information updates may vary temporally (providing more frequent updates during peak commute times) or geographically (providing more frequent updates to metropolitan areas with increased traffic information needs). If route calculation is triggered by an elapsed amount of time, the amount of time may vary to be shorter during peak commute times. Additional route calculation techniques allow the incorporation of historical traffic information or the use of the most recent traffic information if incomplete traffic information is available. Still further route calculation techniques may calculate a best route by avoiding zigzagging or evaluating an assigned cost of a potential route.
Owner:HONDA MOTOR CO LTD
All-round intelligent guiding system and method for large parking lot
InactiveCN102522002AIntelligently Determined BehaviorAvoid congestionIndication of parksing free spacesDriver/operatorControl engineering
The invention discloses an all-round intelligent guiding system and method for a large parking lot, and belongs to the field of intelligent traffic. The system disclosed by the invention comprises a guidance-initializing inlet unit, a guidance-stopping outlet unit, a guidance-path planning server, an anti-jamming coordinated controller, a guidance-indicting subsystem and a parking-space information-monitoring subsystem. Parking, vehicle taking-out and exit-guiding services are intelligently provided for a driver in the whole process from entering the parking lot to leaving the parking lot through the system by adopting a fork-passing triggering-type guidance-path updating and optimizing mechanism on the basis of a radio-frequency technology, a fork-passing triggering-type positioning mechanism and an anti-jamming path-planning mechanism, so that the parking lot is safer, more energy-saving and more highly-efficient in operation.
Owner:南京九竹科技实业有限公司 +1
Quality of service using virtual channel translation
InactiveUS7239641B1Avoid congestionData switching by path configurationQuality of serviceExternal source
Virtual channels are used to improve quality of service through a large port count switch. Data frames are sent from one small switch to another small switch within the large port count switch on virtual channels. The use of virtual channels helps prevent congestion caused by a first external source device sending data to a first external destination device from affecting a second external source device sending data to a second external destination device.
Owner:AVAGO TECH INT SALES PTE LTD
Peer-to-peer communications on restricted channels
ActiveUS20150163828A1Avoid interferenceAvoid congestionPower managementNetwork traffic/resource managementTransmission timeFrequency selection
A method and apparatus are provided for conducting peer-to-peer communications while channel hopping among two or more wireless channels, at least one of which is a restricted channel. One type of restricted channel requires the use of DFS (Dynamic Frequency Selection) or a similar scheme for avoiding use of the channel during certain circumstances (e.g., for radar avoidance). Communicating peers may synchronize a channel-hopping sequence with TBTTs (Target Beacon Transmission Times) of the restricted channel(s), so that they switch to such a channel in time to capture a beacon and determine whether the channel is free. If the channel is free, or if no beacon is received, they may immediately begin or resume their communications. They may also quiesce just before another TBTT so as to capture that beacon. Thus, the peer-to-peer communications do not diminish a peer device's ability to receive and comply with channel switch announcements.
Owner:APPLE INC
On-vehicle communication device
InactiveUS20100312432A1Avoid congestionSufficiently securing transmission powerVehicle testingRegistering/indicating working of vehiclesIn vehicleCommunication control
The present invention provides an on-vehicle communication device capable of suppressing a delay in providing information, avoiding congestion, and sufficiently securing transmission power. An on-vehicle communication device (100) according to the present invention includes communication control means (3) that controls a transmission cycle and transmission power when data is transmitted from transmitting / receiving means (2). The communication control means (3) uses own vehicle information and surrounding vehicle information to estimate a degree of risk (R) and a safe distance (Ds) of own vehicle. The communication control means (3) controls the transmission cycle of own vehicle based on a communication channel utilization rate of own vehicle, a communication channel utilization rate of a surrounding vehicle and the degree of risk (R) of own vehicle. The communication control means (3) controls the transmission power of own vehicle based on the communication channel utilization rate of own vehicle, the communication channel utilization rate of the surrounding vehicle and the safe distance (Ds).
Owner:MITSUBISHI ELECTRIC CORP
Robot-enabled case picking
InactiveUS20170183159A1Avoid congestionDistance minimizationLifting devicesElectric/hybrid propulsionEngineeringDatabase
A robot-enabled method of picking cases in a warehouse is provided. A robotic vehicle includes a load platform and a robotic order selector, and has access to an electronically stored representation of a warehouse. The representation includes a map that defines aisles for storing items arranged as pick faces within the warehouse. A pick list is generated from an order; the pick list provides identifications of items to be picked to fulfill the order. A plurality of stops at pick faces associated with the items is determined. A route within the map is generated that includes the plurality of stops. The robotic vehicle iteratively guides itself along the route and automatically stops at each of the plurality of stops to enable robotic loading of at least some of the items from the pick list onto the load platform.
Owner:SEEGRID CORPORATION
Time delay and bandwidth resource-based relay selection method
InactiveCN101969396AAvoid congestionReduce overheadSpecial service provision for substationData switching by path configurationQuality of serviceResource information
The invention provides a time delay and bandwidth resource-based relay selection method aiming at broadcast and telecommunication services. The method comprises the following steps of: obtaining a system interruption selection decision value by acquiring time delay information and bandwidth resource information of a node, and selecting a relay node by using the decision value as a judgment threshold. Meanwhile, the invention provides an optimal relay selection cooperative communication method for minimizing interruption probability, and provides a relay routing selection method for supportingmulti-path transmission. The relay routing selection method can dynamically select proper routing according to the change of a network. The method can expand the coverage range of cells and eliminateor reduce communication blind points so as to increase the throughput of a system, improve the spectrum frequency of the system and enhance the quality of services.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Multicast transmission in a cellular network
InactiveUS20060166653A1Avoiding allocation of resourceAvoid allocation problemsSpecial service for subscribersBroadcast service distributionAccess networkRadio access network
The invention relates to a mechanism for performing multicast transmission in a cellular network. In order to enable establishment of resources only in cells containing members of the multicast group and to avoid congestion on the uplink channel, a multicast service notification is transmitted to mobile stations, thereby informing members of the multicast group of an upcoming multicast session. The moment for a response to said multicast service notification is selected in the mobile stations and a presence report is sent from at least one of said mobile stations at the response moment of said at least one mobile station. The presence report or reports are received within a radio access network, and radio resources are established for multicast transmission in a cell of the cellular network when the presence report(s) received in said cell meet(s) predetermined criteria.
Owner:NOKIA CORP
Shifting video code rate regulation method based on experience qualitative forecast
ActiveCN102802089AAvoid congestionReduce congestionSelective content distributionVideo encodingVideo quality
The invention relates to a shifting video code rate regulation method based on experience qualitative forecast. According to the invention, a sending end divides an encoding video speed rate into four grades, when a mobile terminal user requires a video business, the scale of the initial code rate of a video is middle, and thus, a QoE prediction model is periodically utilized to calculate a user taste value; the predicted QoE value and the presupposed QoE threshold value are compared, if the user experience quality is lower than the threshold value, and the corresponding adjustment is performed according to the network congestion indication and encoding video speed rate fedback by a receiving end in two periods; and the code rate grade of the next period is output until the request is finished, wherein the QoE prediction model is positioned on a video server side, and the decision tree structure is improved through training a plurality of gradients. The shifting video code rate regulation method provided by the invention can be used for solving a problem that in the current code rate regulation method, the video quality subjective feeling of users can not be considered, a network resource is fully utilized, meanwhile, the generation of network congestion is avoided or slacked, and the taste quality of the users is effectively improved.
Owner:ZHEJIANG UNIV
Content acquisition method, node and content network
InactiveCN102143199AAvoid congestionAvoid paralysisTransmissionNetwork architectureDistributed hash table
Owner:HUAWEI TECH CO LTD
Prosthesis
The invention relates to prostheses for amputated patients. The shaft of the prosthesis (10) consists of an outer shell (11) and a concentric inner shell (11'). Both shells are provided with longitudinal slits (12, 12') which are staggered in relation to each other and extend essentially in the axial direction. The diameter of the shaft (10) of the prosthesis can be adjusted by means of tightening elements (13, 14). An adapter (20) is fixed in the shaft of the prosthesis (10) in such a way that the height of said adapter can be adjusted. A conical bearing surface for the stump of the limb is provided on the upper side of the adapter (20), a holding element (29) for fixing an artificial limb is provided on the lower side of the same, and a coupling is provided inside the adapter for detachably fixing the coupling pin (41) of a commercially available silicone liner (40).
Owner:LUISA CERANO
Reducing the variability of the data rates of high-rate data streams in order to communicate such streams over a low-rate channel of fixed capacity
InactiveUS6359883B1Low costReduce decreaseTime-division multiplexData switching by path configurationMultiplexingData stream
Techniques whereby a transmitter / receiver pair are cooperatively arranged to buffer incoming data to both the transmitter and the receiver. The transmitter and receiver of the pair are coupled, generically, by pre-existing channel which has a known, fixed capacity. The transmitter / receiver pair exploits whatever delay is permissible, as determined by end-users of the data, for the data stream or streams that are using the channel for the purpose of accommodating periods of excessive instantaneous aggregate data transfer demands. The matched transmitter / receiver pair thereby permits (i) the transmission of a variable rate stream over a channel with capacity less than the peak rate of the stream, or (ii) the multiplexing of variable and / or fixed rate data streams.
Owner:THE KOHL GROUP
Method for setting crossing self-adapting changeable driveway
InactiveCN101650877ASolve problems that do not adapt to the actual needs of traffic flowImprove intelligenceControlling traffic signalsSignal lightInequation
The invention discloses a method for setting a crossing self-adapting changeable driveway by a computer program, aiming to solve the problem that a single left turning driveway is supersaturated and two left turning driveways are insufficient. The method comprises the following steps: firstly installing a No. 1 triggering detector, a No. 2 triggering detector, a main signal light and a pre-signallight; and utilizing other existing hardware equipment. The method also comprises the following steps: (1) judging the attribute of the changeable driveway, i.e. judging the attribute of the changeable driveway by whether an inequation that N is larger than or equal to N<*> is established or not, wherein N is the continuous periodicity of the time occupancy ratio of the No. 1 triggering detector and the No. 2 triggering detector, which is larger than a critical value, and N<*> is the critical value triggering changeable driveway control; (2) controlling the signal timing scheme optimization ofthe changeable driveway, i.e. (1) controlling the changeable driveway when signal period time is unchangeable, and (2) controlling the changeable driveway when the signal period time is changeable; and (3) setting a pre-signal of the changeable driveway, i.e. (1) changing the attribute of the changeable driveway from straight running to left turning, and (2) changing the changeable driveway fromthe left turning to the straight running.
Owner:JILIN UNIV
A traffic signal lamp control method and traffic signal lamp system
InactiveCN101123041AAvoid congestionGuaranteed uptimeControlling traffic signalsDetection of traffic movementTraffic capacityTraffic signal
The invention discloses a traffic light control method. A traffic flow detector is used for real-time detecting traffic flow signal at the exit of a crossing, and when the exit is identified in jam status, the signal lights for coming to the crossing are all turned red, until the jam status is released. The invention also discloses a traffic light system. The invention is used for real-time detecting vehicle status at the exit of a crossing, and when the exit is in jam status, the invention prevents vehicle from further moving to the exit. The invention prevents vehicles from jamming the whole crossing, and ensures normal running of vehicles in other directions.
Owner:深圳市哈工交通电子有限公司
Arrangement for providing optimized connections between peer routers in a tree-based ad hoc mobile network
InactiveUS7366111B2Reduce necessityAvoid congestionError preventionFrequency-division multiplex detailsEngineeringSelf-organizing network
Mobile routers in a tree-based network topology with a single clusterhead in an ad hoc network establish connectivity based on each attached mobile router sending a neighbor advertisement message to an attachment mobile router via a corresponding egress interface. Any neighbor advertisement message received by a mobile router is used to identify specified network prefixes that are reachable via the source of the neighbor advertisement message. Each attached mobile router outputs to its attachment router another neighbor advertisement message that specifies the network prefix used by the mobile router, and the specified network prefixes from its attached mobile routers. The mobile router also identifies peer mobile routers having the same depth, and selectively shares limited routing information with the peer routers, enabling the mobile router to bypass the clusterhead and reach remote prefixes via the peer routers without burdening the tree.
Owner:CISCO TECH INC
Cognitive network load prediction method and apparatus
InactiveUS20120020216A1Avoid congestionEasy to manageError preventionTransmission systemsInternet trafficTraffic volume
Loads for a wireless network having a plurality of end nodes are predicted by constructing a computer data set of end-to-end pairs of the end nodes included in the network using a computer model of the network; constructing a computerized set of observables from social information about users of the network; developing a computerized learned model of predicted traffic using at least the data set and the observables; and using the computerized learned model to predict future end-to-end network traffic.
Owner:TT GOVERNMENT SOLUTIONS
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