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1636results about How to "Reduce transfer time" patented technology
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Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
ActiveUS20050058089A1Facilitate power-efficientFacilitate robust receptionEnergy efficient ICTTransmission path divisionMultiplexingCoding block
Techniques for multiplexing and transmitting multiple data streams are described. Transmission of the multiple data streams occurs in “super-frames”. Each super-frame has a predetermined time duration and is further divided into multiple (e.g., four) frames. Each data block for each data stream is outer encoded to generate a corresponding code block. Each code block is partitioned into multiple subblocks, and each data packet in each code block is inner encoded and modulated to generate modulation symbols for the packet. The multiple subblocks for each code block are transmitted in the multiple frames of the same super-frame, one subblock per frame. Each data stream is allocated a number of transmission units in each super-frame and is assigned specific transmission units to achieve efficient packing. A wireless device can select and receive individual data streams.
Owner:QUALCOMM INC
Accelerated large data distribution in overlay networks
InactiveUS20050015511A1Increase total available bandwidthDecrease amount of timeSpecial service provision for substationEnergy efficient ICTData partitioningBroadband networks
A Method and apparatus for dynamically discovering and utilizing unused resources for practical and efficient creation of optimized network mechanisms for data distribution. Proposed techniques for data distribution, assembly, routing and scheduling in broadband networks can be implemented as content-level server platform architecture enabled by application-level control plane. Such a platform accelerates content transfer, mirroring and replication. It applies coordinated data partitioning and resource discovery and sharing of information replication by multiple network systems. Furthermore, it harvests the unutilized bandwidth in the network by disassembling the large content to be distributed into different components. These components are then routed in spatially and temporally diverse routes through multiple paths and trees and assembled at the destination nodes. The result is accelerated content distribution, added security, scalability and robustness. No modifications of existing network communication protocols is required.
Owner:NEC LAB AMERICA
Method for caching and delivery of compressed content in a content delivery network
ActiveUS7395355B2Effective last mile acceleration of content deliveryEasy to useDigital data information retrievalMultiple digital computer combinationsEdge serverEngineering
A content delivery network (CDN) edge server is provisioned to provide last mile acceleration of content to requesting end users. The CDN edge server fetches, compresses and caches content obtained from a content provider origin server, and serves that content in compressed form in response to receipt of an end user request for that content. It also provides “on-the-fly” compression of otherwise uncompressed content as such content is retrieved from cache and is delivered in response to receipt of an end user request for such content. A preferred compression routine is gzip, as most end user browsers support the capability to decompress files that are received in this format. The compression functionality preferably is enabled on the edge server using customer-specific metadata tags.
Owner:AKAMAI TECH INC
Server for geospatially organized flat file data
ActiveUS7225207B1Fast deliveryQuick mergeData processing applicationsDigital data protectionFile systemData file
A flat file data organization technique is used for storing and retrieving geospatially organized data. The invention reduces transfer time by transferring a few large files in lieu of a large number of small files. It also moves the process of locating a given data file away from the file system to a proprietary code base. Additionally, the invention simplifies database management by having quadtree packets generated on demand.
Owner:GOOGLE LLC
Method for radio communication in a wireless local area network and transceiving device
InactiveUS8423084B2Quality improvementImprove reliabilitySpatial transmit diversityAntenna supports/mountingsNetwork packetDirectional antenna
Owner:AIRGAIN INC
System for a distributed column chunk data store
ActiveUS7447839B2Storage requirements is greatly reducedReduce transfer timeError detection/correctionMemory adressing/allocation/relocationServer allocationDatabase engine
Owner:GOOGLE LLC
System and method for providing high-quality stretching and compression of a digital audio signal
InactiveUS7337108B2Quality improvementImprove intelligibilitySpeech analysisCode conversionCompression methodSelf adaptive
An adaptive “temporal audio scaler” is provided for automatically stretching and compressing frames of audio signals received across a packet-based network. Prior to stretching or compressing segments of a current frame, the temporal audio scaler first computes a pitch period for each frame for sizing signal templates used for matching operations in stretching and compressing segments. Further, the temporal audio scaler also determines the type or types of segments comprising each frame. These segment types include “voiced” segments, “unvoiced” segments, and “mixed” segments which include both voiced and unvoiced portions. The stretching or compression methods applied to segments of each frame are then dependent upon the type of segments comprising each frame. Further, the amount of stretching and compression applied to particular segments is automatically variable for minimizing signal artifacts while still ensuring that an overall target stretching or compression ratio is maintained for each frame.
Owner:MICROSOFT TECH LICENSING LLC
Dynamic flow dispatch method and system based on software definition network
ActiveCN104158753AIncrease profitLoad balancingData switching networksTopology managementTraffic capacity
The invention provides a dynamic flow dispatch method and system based on a software definition network. The method comprises a step of carrying out deep analysis of flow through flow information uploaded by a switch, and classifying flow types by a flow identification and grading module according to priorities, a step of calling a statistic management module to obtain information of switch ports, calculating joint links of the switch, and sending information of the joint links to a topology management module, a step of calling the topology management module to obtain a feasible path for flow direction and calculating real-time sate statistic information of the feasible path, and a step of analyzing features of the joint links to calculate weight of the joint links in the overall selection, working out the optimal dispatch strategy based on the weight and giving out the optimal dispatch strategy. The invention can achieve the optimal real-time dispatch of network flow, so that flow is enabled to reach a destination in a fastest manner, and purposes of improving the bandwidth utilization rate and optimizing network performances are finally realized.
Owner:淮安市清江浦区市场监管综合服务中心
Acceleration of graphics for remote display using redirection of rendering and compression
InactiveUS6989836B2Reduce transfer timeImprovement in frame per second display capabilityImage codingCathode-ray tube indicatorsData compressionGraphics
A system and method are disclosed for improving the remote display of graphics images by the redirection of rendering and the optional use of image data compression. Instead of sending graphics commands over a network and rendering on a remote computer system, graphics commands may be automatically redirected by modified OpenGL functions to local graphics devices without explicit involvement by the graphics application. The modifications to a set of the OpenGL functions on the local system are transparent in the normal mode of rendering and displaying locally. After an image is rendered locally, it may be read back and sent across the network. A standard X Server on the remote system may be sufficient to support this methodology. An X Extension for data decompression on the remote system, however, may allow for more efficient image transmission through the use of image data compression.
Owner:ORACLE INT CORP
Method and apparatus for quantizing and compressing neural network with adjustable quantization bit width
ActiveCN107480770AReduce occupancyReduce transfer timeNeural architecturesNeural learning methodsNetwork structureTensor
The invention relates to the technical field of neural networks, and specifically provides a method and apparatus for quantifying and compressing a convolutional neural network. The invention aims to solve the existing problem of large loss of network performance caused by an existing method for quantifying and compressing a neural network. The method of the invention comprises the steps of obtaining a weight tensor and an input eigen tensor of an original convolutional neural network; performing fixed-point quantization on the weight tensor and the input eigen tensor based on a preset quantization bit width; and replacing the original weight tensor and the input eigen tensor with the obtained weight fixed-point representation tensor and the input feature fixed-point representation tensor to obtain a new convolutional neural network after quantization and compression of the original convolutional neural network. The method of the invention can flexibly adjust the bit width according to different task requirements and can realize quantization and compression of the convolutional neural network without adjusting the algorithm structure and the network structure so as to reduce the occupation of memory and storage resources. The invention further provides a storage apparatus and a processing apparatus, which have the above beneficial effects.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Intra-cell device to device direct communication method based on user device relay
ActiveCN103634812ASave energyStrong communication skillsConnection managementNetwork planningUser deviceCommunication quality
The invention discloses an intra-cell device to device direct communication method based on user device relay. According to the method, when a first device and a second device in the same cell need to be communicated with each other, if a ProSe server finds the distance between the two devices is too far to meet the distance requirement of device to device communication, the ProSe sends a request message for searching for an available relay device to an eNB (evolved node base) ; after receiving the request message, the eNB searches and feeds a result back to the ProSe server; the ProSe server selects a proper relay device by using the feedback result, and sends a beacon resource request to the eNB; the eNB respectively allocates beacon resources for the first device and the relay device as well as the second device and the relay device, and the relay device and the second device notify the eNB of a communication quality detection result; device to device communication scheduling is performed; after finishing service transmission, the communication devices release the device to device resources. According to the method, the communication is performed in a device to device relay mode, sending power is reduced, user device energy is saved, and the system performance is improved.
Owner:XIDIAN UNIV
System and method for compression in a distributed column chunk data store
ActiveUS7447865B2Storage requirements is greatly reducedReduce transfer timeDigital data information retrievalMemory adressing/allocation/relocationDatabase engineData storing
An improved system and method for compression in a distributed column chunk data store is provided. A distributed column chunk data store may be provided by multiple storage servers operably coupled to a network. A storage server provided may include a database engine for partitioning a data table into the column chunks for distributing across multiple storage servers, a storage shared memory for storing the column chunks during processing of semantic operations performed on the column chunks, and a storage services manager for striping column chunks of a partitioned data table across multiple storage servers. Any data table may be flexibly partitioned into column chunks using one or more columns with various partitioning methods. Domain specific compression may be applied to a column chunk to reduce storage requirements of column chunks and increase transmission speeds for sending column chunks between storage servers.
Owner:GOOGLE LLC
Methods and devices for obtaining network resource for loading web page and method and device for caching network resource
InactiveCN105760405AImprove loading speedReduce time waiting for network responseSpecial data processing applicationsUniform resource locatorWeb page
The application discloses a method and a device for obtaining a network resource for loading a web page, and meanwhile, also discloses other two methods and devices for obtaining the network resource for loading the web page, and a method and a device for caching the network resource, wherein a first method for obtaining the network resource for loading the web page comprises the following steps: according to URL (Uniform Resource Locator) information contained in a network resource obtaining request from a browser, judging whether the request meets the following conditions or not: the request is an obstructive request of generating obstruction to the rendering of the page, but the network resource needed to be obtained according to the request does not influence the rendering of the page; if the request meets the conditions, carrying out the following operation: returning an asynchronous processing response to the browser, so that the browser continuously carries out the rendering of the page; obtaining the network resource from a server side. By adopting the technical scheme provided by the application, the loading speed of the web page can be quickened; the user experience is effectively improved.
Owner:ALIBABA GRP HLDG LTD
File transferring method with self-adaptive control of transmission speed and system thereof
The invention discloses a file transferring method with self-adaptive control of transmission speed and a system thereof; UDP protocol is adopted to transfer file data, other commands are carried outby TCP protocol; the file data takes 'block' as a basic unit for each transferring and verifying the completeness, and transmission speed is adjusted by adopting a way of dynamically adjusting the size fine grit of a transmission 'block'; the file is divided into 1-N file fragments by a server, and each file fragment is transmitted by a UDP send data; the server transmits according to the size ofthe presetting block, a client side verifies the result weather to be retransmitted by requesting the server according to the completeness of the received block, if the sever receives the retransmitting request from the client side, the size of the block can be dynamically adjusted. In addition, the transmission speed is adjusted by dynamically adjusting the number of transmission threads. In theinvention, less network expense is increased, and network resource accessed by the client side can be effectively utilized, and the transferring time of the whole file is reduced.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI +1
Method for the transmission of user data objects
ActiveUS7805522B2Raise priorityReduce switching costsMultiple digital computer combinationsElectric digital data processingComputer scienceWorld Wide Web
Disclosed is a method for transmitting user data objects from a data-supplying component or a data server to a telecommunication device of a user via a connection component. The data-supplying component is informed via profile information in a profile object what types of user data objects the connection component or the telecommunication unit is able to process on its own such that the data supplying component can specifically transmit user data objects to the telecommunication device, which belong to the type that the telecommunication device can process. Hence, the data-supplying component is prevented from sending user data objects of a type that has to be converted by the connection component on the transmission path in order to be able to processed by the telecommunication device.
Owner:SIEMENS AG
Mobile terminal equipment and packet communication method between terminals
InactiveUS7286520B2Shortened transfer delay timeReduce volatilityNetwork traffic/resource managementNetwork topologiesPacket communicationSession control
A mobile terminal having a packet communication function according to a mobile IP and a communication route optimizing function includes a session controller for setting a session between terminals in accordance with a session control message of a protocol different from the mobile IP. When a session control message from the other party is received in a visited mobile IP network, the session controller executes optimization of a communication route to the other party by the communication route optimizing function before transmitting a response for the received message.
Owner:HITACHI LTD
Interactive television system with partial character set generator
InactiveCN1723696AReduce overhead allocationReduce transfer timeTelevision system detailsColor television detailsTelevision systemText display
An interactive television system includes a partial font generator (38) which generates a character font file of only those fonts used by a given application program for text display. The partial font file contains the language character fonts utilized by the application program, but less than the complete character set of the language. Thus, the partial font file thus requires less time or bandwidth to transmit in the allotted transmit intervals. The partial font file may be generated by a manual process, or by an automated analysis of the fonts used by an application program.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Method and device for performing cache reading
ActiveUS20050226046A1Reduce data transfer timeReduce transfer timeMemory adressing/allocation/relocationRead-only memoriesDevice materialSemiconductor
Method and device for reading data from a semiconductor device, where tR is a read operation time, tT is a buffer transfer time, and tH is a host transfer time, where at least two of tR, tT, and tH may be overlapped to reduce a total transfer time.
Owner:SAMSUNG ELECTRONICS CO LTD
Beacon transmission in short-range wireless communication systems
InactiveUS20060193315A1Average power consumptionImprove efficiencyAssess restrictionNetwork topologiesCommunications systemBeacon frame
The invention relates to a method for broadcasting beacon frames in a short-range wireless ad-hoc network including a plurality of wireless terminals. In order to improve the efficiency of the ad-hoc network in terms of power consumption, the terminal that defines the beacon interval for the network starts as a beacon broadcaster and introduces an identifier list in at least some of the beacon frames broadcast in the network. The identifier list, which includes identifiers of the wireless terminals belonging to the network, is utilized if another wireless terminal is to be selected as the beacon broadcaster.
Owner:NOKIA TECHNOLOGLES OY
File downloading and uploading method and device
The invention provides a file downloading and uploading method and device, which aims at solving the problems of the prior art that the file transmission time is long and file transmission wastes network resources. The downloading method comprises the steps of: sending a file request to a server, wherein the file request includes a name of the file requesting downloading; receiving file description information sent by the server, wherein the file description information includes the characteristic values of file blocks formed by dividing the file requesting downloading; detecting whether the characteristic values of the file blocks stored locally are consistent with those of the received file blocks, and adding the inconsistent characteristic values into detection information to return to the server; and receiving the file blocks corresponding to the inconsistent characteristic values, sent by the server. According to the file downloading and uploading method and device provided by the invention, the file blocks corresponding to inconsistent characteristic values stored locally can only be downloaded, thus, the file transmission time is shortened and resource waste is reduced.
Owner:360 TECH GRP CO LTD
Multi-path transmission control terminal and method for supporting multi-service data transmission
ActiveCN105933232AMeet different transmission needsMaximize data throughputData switching networksData streamNetwork communication
The invention relates to a multi-path transmission control terminal and a method for supporting multi-service data transmission, and belongs to the technical field of network communication. The terminal is arranged on an end point of data transmission and comprises a multi-path session management module, a path management module, a flow division module, a path selection module, a substream sending control module, a substream receiving control module, a rectification recombination module, a path transmission quality report module and a path evaluation module. When data stream of an upper application is received, the data stream is divided into stream blocks, a path is selected for each stream block, stream blocks dispatched to the same path form a substream, the stream blocks are further divided into transmission units and are packaged into multi-path transmission packages and are transmitted to an opposite terminal, according to the path transmission quality fed by the opposite terminal, a path selection strategy is dynamically adjusted; when the multi-path transmission data packages are received, substream data is recombined and is further recombined into data streams and the data streams are transmitted to the upper application. The terminal and method can meet different transmission requests of various business types, and the multi-path transmission efficiency is improved.
Owner:NORTHEASTERN UNIV
Power Control of a Wind Farm and Method Thereof
ActiveUS20080088129A1Increase dynamicsPromote resultsMechanical power/torque controlLevel controlWind powerElectric generator
A wind farm includes a plurality of wind energy installations which generate electrical energy to be output to a power supply system and a wind farm master for controlling the wind energy installations. Each wind energy installation includes a generator which is driven by a rotor, and the wind farm master includes a power control device having a plurality of loops. This plurality of loops includes a fast loop that includes a controller which acts on a first group of the wind energy installations and a slow loop that includes a controller which acts on a second group of the wind energy installations, the fast controller having a substantially higher dynamic than the slow controller.
Owner:SIEMENS GAMESA RENEWABLE ENERGY SERVICE GMBH
Image retrieval, image information acquisition and image identification methods and apparatuses, and image identification system
ActiveCN106445939AHigh precisionKeep distanceStill image data retrievalSpecial data processing applicationsFiltrationImage retrieval
The invention discloses an image retrieval method and apparatus, an image information acquisition method and apparatus, an image identification method and apparatus, an image identification system, a method and apparatus used for calculating an image feature value, and an electronic device. The image retrieval method comprises the steps of extracting a local feature of a to-be-retrieved image; calculating a feature value of the local feature by adopting a pre-trained depth autoencoder network model; performing matching on the feature value and feature values of registered images in an image retrieval database; and selecting a registered image, which meets a preset condition, as a retrieval result of the to-be-retrieved image according to a matching result. By adopting the method, a depth autoencoder network can effectively keep distance information and a distinguishing capability between the feature values in a process of performing compressed representation on the local feature, so that the image retrieval precision can be effectively improved, the workload of rearrangement and filtration can be reduced, and the retrieval efficiency can be enhanced.
Owner:BANMA ZHIXING NETWORK HONGKONG CO LTD
Method, apparatus and system for configuring transmission time interval for supporting high speed mobile transmission
InactiveCN101415227AReliable information transmissionReduce transfer timeBaseband system detailsAssess restrictionEmbedded systemInformation transfer
The invention discloses a transmission time interval (TTI) configuration method supporting high speed mobile transmission. The method comprises the following steps: setting at least one type of the TTI, wherein, the length of each type of the TTI is an integral multiple of that of a subframe; selecting a TTI corresponding to a mobile station from the set TTI, determining the amount of pilot frequency symbols in the TTI to get the TTI information of the mobile station, and then sending the TTI information to the mobile station. The invention further discloses a TTI configuration device supporting the high speed mobile transmission and a system thereof. The scheme of the invention can effectively ensure the reliability of information transmission in the case that the mobile station moves at a high speed.
Owner:DATANG MOBILE COMM EQUIP CO LTD
File sharing method based on cloud storage
ActiveCN102882985AWork well togetherReduce occupancyTransmissionFile synchronizationFile area network
The invention discloses a file sharing method based on cloud storage. A first user sets a sharing folder and share users in an on-line folder of a cloud storage server, and synchronizes the sharing folder into an online folder of a second user and a local folder, and the second user then synchronizes the sharing folder of the online folder into a sharing folder of the local folder. If the sharing folders are local area network sharing folders, files in the local area network sharing folder of the local folder of the first user is synchronized into the local area network sharing folder of the local folder of the second user through a local area network. Therefore, online file sharing based on cloud storage is realized. The file sharing method based on cloud storage is capable of realizing sharing of share files conveniently, so that exit bandwidth of the local area network is saved effectively, and sharing speed is increased.
Owner:SHANGHAI GOKUAI NETWORK TECH CO LTD
Method for introducing loading auxiliary means of transport device
InactiveUS8740542B2Improve handlingGood removal effectLoading/unloadingStorage devicesAuxiliary memoryStops device
Owner:TGW MECHANICS GMBH
System and method for providing high-quality stretching and compression of a digital audio signal
InactiveUS20050055204A1Quality improvementImprove intelligibilityCode conversionFluid pressure measurementDigital audio signalsCompression method
An adaptive “temporal audio scaler” is provided for automatically stretching and compressing frames of audio signals received across a packet-based network. Prior to stretching or compressing segments of a current frame, the temporal audio scaler first computes a pitch period for each frame for sizing signal templates used for matching operations in stretching and compressing segments. Further, the temporal audio scaler also determines the type or types of segments comprising each frame. These segment types include “voiced” segments, “unvoiced” segments, and “mixed” segments which include both voiced and unvoiced portions. The stretching or compression methods applied to segments of each frame are then dependent upon the type of segments comprising each frame. Further, the amount of stretching and compression applied to particular segments is automatically variable for minimizing signal artifacts while still ensuring that an overall target stretching or compression ratio is maintained for each frame.
Owner:MICROSOFT TECH LICENSING LLC
Dynamic compression and access method of block chain
InactiveCN105741095AReduce capacityFast transmissionPayment architectureDigital currencyAccess method
The invention relates to digital cash, such as Bitcoin wallet software, in particular to a dynamic compression and access method of a block chain. The dynamic compression and access method comprises the following steps: operating a digital cash wallet program; when new block data is written into the block chain in an operation process of the digital cash wallet program, dynamically compressing the block data; creating identification information on the compressed block data; and then, when the digital cash wallet program is operated, storing the compressed block which creates the identification information into a block chain database. In the operation process of the digital cash wallet program, the block is dynamically decompressed through an embedded compression function, meanwhile, the compressed block is decompressed through the embedded decompression function, the volume of the whole block chain data becomes small under a premise that data is not damaged, and a storage space is greatly saved; and in addition, the transmission speed of the block chain data is improved, and transmission time is shortened.
Owner:邓迪
Multi-user wireless communication system based on both-way trunk and method thereof
InactiveCN101515917ACancel self-interferenceReduce transfer timeMulti-frequency code systemsError prevention/detection by diversity receptionSelf interferenceInterference canceller
The invention discloses a multi-user wireless communication system based on both-way trunk and a method thereof; the communication system comprises four multi-antenna transceivers (not only a transmitter but also a receiver) and a multi-antenna both-way trunk; each transceiver is composed of an orthogonal frequency division multiplexing (OFDM) modulator, an OFDM demodulator, a memory and a self-interference eliminator; the both-way trunk is composed of an OFDM modulator, an OFDM demodulator and a beam former and is a semi-duplex amplifying transmission relay. The communication method leads a complete communication process to be finished within two time slots; in the first time slot, the four transceivers send signals to the relay at the same time, and an orthogonal frequency division multiple access is adopted as a multiple access way; in the second time slot, the relay adopts orthogonal frequency division multiplexing / space division multiplexing multiple access (OFDM / SDMA) as a multiple access way for leading received signals after being processed to be broadcasted to the four transceivers. In the invention, two multiple access ways are integrated, and relay beam forming matrixes suitable for different requirements of relay antenna number are respectively designed by adopting the two methods, thereby effectively utilizing space diversity to eliminate interference among the transceivers, and compared with the existing relay communication technology, the higher system and speed are realized.
Owner:SOUTHEAST UNIV
Air-conditioning system for integrating multiple areas
ActiveUS20050209739A1Short control timeImprove stabilityProgramme controlSampled-variable control systemsEngineeringAir conditioning
An airconditioner system for integrating multiple areas. A plurality of multi-airconditioners are grouped into some groups. CPU connected in parallel to individual multi-airconditioner groups, that have been distributed and installed in a wide area or building, controls individual multi-airconditioner groups to be operated simultaneously, resulting in a shorter control time. Although an unexpected communication failure occurs in one multi-airconditioner group, the remaining multi-airconditioner groups other than the erroneous multi-airconditioner group can be normally controlled, resulting in increased stability and reliability of an overall airconditioning system.
Owner:LG ELECTRONICS INC
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