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10190 results about "Transmission rate" patented technology
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Transmission rate - Computer Definition. The theoretical rate at which user data can be transmitted across a circuit. The signaling rate is the total data rate, including overhead, i.e., signaling and control information.Therefore, the transmission rate is always less than the signaling rate.
Method and system for rate control service in a network
InactiveUS20070025301A1Improve overall utilizationImprove balanceNetwork traffic/resource managementData switching by path configurationTelecommunications linkRate parameter
A system and method has been disclosed for controlling the transmission flow rate of data bits in a data bit transfer session from a serving entity to a client, the session involving bit transfer over a wireless communications link, the method comprising: setting up the session, included establishing the addressing, by providing a radio control node to establish flow rate parameters relating to the wireless link, monitoring the wireless communication link; based on monitoring, sending new flow rate parameters so that the serving entity can update the transmission rate of the session in accordance with the new rate control parameters.
Owner:TELEFON AB LM ERICSSON (PUBL)
Controlling subscriber information rates in a content delivery network
InactiveUS7949779B2Resource allocationMultiple digital computer combinationsDistributed computingRepeater
Owner:DIGITAL ISLAND +1
Otfs methods of data channel characterization and uses thereof
Fiber, cable, and wireless data channels are typically impaired by reflectors and other imperfections, producing a channel state with echoes and frequency shifts in data waveforms. Here, methods of using OTFS pilot symbol waveform bursts to automatically produce a detailed 2D model of the channel state are presented. This 2D channel state can then be used to optimize data transmission. For wireless data channels, an even more detailed 2D model of channel state can be produced by using polarization and multiple antennas in the process. Once 2D channel states are known, the system turns imperfect data channels from a liability to an advantage by using channel imperfections to boost data transmission rates. The methods can be used to improve legacy data transmission modes in multiple types of media, and are particularly useful for producing new types of robust and high capacity wireless communications using non-legacy OTFS data transmission methods.
Owner:COHERE TECH
Controlled Delivery of Content Data Streams to Remote Users
InactiveUS20110197237A1Closed circuit television systemsSelective content distributionData streamControlled delivery
The present system provides a website for distributing a plurality of content data streams converted into a common format, wherein each content data stream is encrypted and transmission of the content data stream is a function of available transmission rates to a given remote device.
Owner:GIGA ENTERTAINMENT MEDIA
Controlling subscriber information rates in a content delivery network
InactiveUS20080215750A1Low costResource allocationMultiple digital computer combinationsClient-sideDistributed computing
A plurality of content providers provide multiple resources to multiple clients. At least some of said resources are to be served to clients from a shared content delivery network (CDN) formed by a plurality of repeater servers. Each content provider provides at least some resources via one or more content sources associated with that content provider. Amounts of data transmitted by the CDN on behalf of each of the plurality of content providers are monitored. Based at least in part on said monitoring, requests for resources are selectively delivered at a lower transmission rate. The lower transmission rate is achieved by generating pauses or delays in the transmission.
Owner:DIGITAL ISLAND +1
Simultaneous Content Data Streaming And Interaction System
InactiveUS20140195675A1Enhanced interactionSimple waySynchronisation arrangementBroadcast transmission systemsInteraction systemsContent distribution
A computer implemented method and system simultaneously distributes content data streams (CDSs) of multiple content formats, for example, live cable television content, gaming content, social media content, user generated content, etc., to one or more computing devices. An interactive content distribution platform (ICDP) receives user selections of the CDSs and the content formats via a graphical user interface (GUI) and receives one or more CDSs in one or more content formats from multiple content sources based on the user selections. The ICDP synchronizes the CDSs by encoding the CDSs into a common data format and adjusting a transmission rate of the CDSs. The ICDP simultaneously transmits and displays the synchronized CDSs in one or more configurable windows on a display screen of each computing device at configurable time instances via the GUI. The ICDP facilitates interactions and initiates transactions between computing devices during the simultaneous display of the synchronized CDSs.
Owner:GIGA ENTERTAINMENT MEDIA
Security system and method for protecting a vehicle electronic system
ActiveUS20150020152A1Particular environment based servicesDigital data protectionElectronic systemsSecurity system
Security system for protecting a vehicle electronic system by selectively intervening in the communications path in order to prevent the arrival of malicious messages at ECUs, in particular at the safety critical ECUs. The security system includes a filter which prevents illegal messages sent by any system or device communicating over a vehicle communications bus from reaching their destination. The filter may, at its discretion according to preconfigured rules, send messages as is, block messages, change the content of the messages, request authentication or limit the rate such messages can be delivered, by buffering the messages and sending them only in preconfigured intervals.
Owner:SHEELDS CYBER LTD
Memory module and memory system
ActiveUS7123497B2Increase chanceVarious problemDomestic stoves or rangesLighting and heating apparatusData signalComputer module
In a memory module including a plurality of DRAM chips which transmit / receive a system data signal with a predetermined data width and at a transfer rate and which transmit / receive an internal data signal having a larger data width and a lower transfer rate as compared with the system data signal, it has become clear that there is a restriction on the transfer rate of the system data signal and that speeding-up cannot be expected. A current consumption in a plurality of DRAMs constituting the memory module is large, and this is also a factor for hindering the speeding-up. There is obtained a memory module in which a plurality of DRAM chips are stacked on an IO chip and in which each DRAM chip is connected to the IO chip by a through electrode and which comprises a constitution for mutually converting the system data signal and the internal data signal in each DRAM chip by the IO chip. In this constitution, a wiring between the DRAM chips can be shortened, and DLL having a large current consumption may be disposed only on the IO chip.
Owner:LONGITUDE LICENSING LTD
Apparatus and method for cooperative relay in a wireless communication system based on relay stations
ActiveUS8019288B2Improve signal transmission reliabilityMaximize throughputSite diversityModulated-carrier systemsCommunications systemSelf adaptive
An apparatus and method for cooperative relay in a multiple-antenna wireless communication system based on relay stations (RSs) are provided. The apparatus includes a serial / parallel converter for dividing data into N number of streams, a channel estimator for calculating a first transmission rate at which a RS performing the cooperative relay can perform decoding and a second transmission rate at which all relay stations performing the cooperative relay can commonly perform decoding, and determining transmission rates for each of the N-number streams, and an adaptive modulation and coding (AMC) unit for encoding and modulating the N-number streams according to their respective transmission rates.
Owner:SAMSUNG ELECTRONICS CO LTD +1
Energy-efficient medium access control protocol and system for sensor networks
ActiveUS20060128349A1Extend battery lifeMore processing gainEnergy efficient ICTPower managementMedia access controlReal-time computing
An energy efficient MAC protocol for a sensor network that extends the battery life of remotely located wireless nodes by employing MAC operations involving transmission of a wake-up signal with more processing gain, dynamic adjustment of a transmission rate of synchronization messages for fast time synchronization and an energy efficient neighboring node discovery technique.
Owner:HARRIS GLOBAL COMMUNICATIONS INC
System and method for traffic shaping based on generalized congestion and flow control
ActiveUS7088678B1Overcome problemsError preventionFrequency-division multiplex detailsPacket arrivalModem device
A system and methods are shown for traffic shaping and congestion avoidance in a computer network such as a data-over-cable network. A headend of the data-over-cable system includes a traffic shaper configured to calculate a packet arrival rate from a cable modem and a traffic conditioner configured to calculate an average queue size on an output interface to an external network. For example, the traffic shaper compares the packet arrival rate to three packet arrival thresholds including a committed rate threshold, a control rate threshold and a peak rate threshold. If the calculated packet arrival rate falls between the committed threshold and control rate threshold, the traffic shaper applies a link layer mechanism, such as a MAP bandwidth allocation mechanism, to lower the transmission rate from the cable modem.
Owner:VL COLLECTIVE IP LLC
Data stream-distribution system and method therefor
InactiveUS20080147874A1Low data rateReproducing dataSpeech analysisData switching by path configurationData streamDistribution system
Owner:SONY CORP
Data communications method and system using buffer size to calculate transmission rate for congestion control
InactiveUS20050021830A1Multiple digital computer combinationsData switching networksData streamClient-side
A data transmission method and system is disclosed in which one or more data streams are transmitted at respective transmission rates which are controlled to prevent data buffers in the receiver from overflowing. In some embodiments feedback data concerning the state of each buffer in a receiving client is received at the transmitting server, and used to adapt the sending rates to achieve the effect. Information indicative of the data decode rates or the fill extent of each buffer is communicated to the server as the feedback data. In other embodiments the server makes an open-loop estimate of the remaining space in the buffer, and controls the transmission rate accordingly. A data receiving method and system adapted to receive the data streams is also disclosed.
Owner:BRITISH TELECOMM PLC
System and method for a transmission rate controller
A method for proposing at least one transmission rate change including calculating a plurality of latency values, computing at least one derivative-based proposed change from the plurality of latency values, and proposing a rate change selected from the at least one derivative-based proposed change. Also provided is a system including a rate controller controlling the transmission rate of data between two stations over a network and a rate reporter in communication with the rate controller.
Owner:FLASH NETWORKS
Adaptive power control in wideband CDMA cellular systems (WCDMA) and methods of operation
InactiveUS6690652B1Maintain conductivityMaximizes controlEnergy efficient ICTFrequency-division multiplex detailsChannel powerControl signal
A WCDMA system includes a Base Station (BS) transmitter, or forward transmitter and a pilot channel that transmits control signals between the BS and a Mobile Station (MS) to reconfigure their transmitter / receiver. Reconfiguration is performed according to the prediction of the channel attenuation and the threshold set at the BS or MS based on its channel power probability density function separated into three distinct equal probable regions. In one embodiment, Seamless Rate Change (SRC) / Transmitter Power Control (TPC) logic uses the predicted channel attenuation to signal both the transmitter and the receiver in a channel to reconfigure their transmit power level according to the power density function (pdf) of the channel power and threshold level. A transmission rate is reduced when the power level is below the threshold and increased when the channel power is above threshold. The pilot channel is used to signal the mobile station and the base station.
Owner:IBM CORP
Communication apparatus and method using human body as medium
ActiveUS7171177B2Improve data transfer rateMaintain securityUnauthorised/fraudulent call preventionEavesdropping prevention circuitsHuman bodyData signal
Provided is to a communication apparatus and method using a human body as a medium, in which secure / normal data signals are transmitted / received to the inside and outside of a human body respectively, through at least two different frequency channels classified according to a predetermined reference value, to thereby efficiently use a frequency based on a physical characteristic of a channel and increase a data transmission rate while maintaining security.
Owner:ELECTRONICS & TELECOMM RES INST
Automatic configuration of client terminal in public hot spot
ActiveUS20060173844A1Easy accessDigital data processing detailsUser identity/authority verificationLimited accessAuto-configuration
The invention herein provides an apparatus and a method for automatically configuring an IEEE 802.1x client terminal to provide limited access in a WLAN environment, specifically utilizing the access point to filter traffic associated with the limited access so as to redirect the client terminal's HTTP request to a designated local web server. The web server responds to the client terminal by requesting information required to establish an authorized communication. Thereafter the client terminal provides information required to establish an authorized communication. In the course of the communication the web server sends information such as transmission rates, new user account creation information, authentication method selection, and access user terms and conditions of acceptance, all typically required to establish an authorized access. The client responds with information, required to establish an authorized communication.
Owner:BOSTON MEDICAL CENTER INC +1
Telecommunication and multimedia management method and apparatus
InactiveUS8321581B2Telephonic communicationMultiple digital computer combinationsNetwork conditionsMediaFLO
Owner:VOXER IP
Method and system for transmitting seismic data to a remote collection station
InactiveUS6070129ALarge capacityLarge time lagSeismic signal transmissionSpecial data processing applicationsData streamTime lag
The invention pertains to transmission to a remote station, by means of transmission channels (generally radio transmission channels), of seismic data acquired by a data collection equipment comprising a plurality of acquisition units, each being suited to acquire, to store and preferably to compress the data to be transmitted. The invention comprises ordered storage, in a high-capacity memory (flash type memory for example) of each acquisition unit (Ai), of data obtained during successive emission-reception cycles (acquired and possibly preprocessed seismic data) so as to form a stream of stored data to be transmitted, and progressive transfer of the stored data stream from each acquisition unit to the remote station by means of the transmission channel, by reading each storage memory, with a time lag in relation to the time of their storage depending on the transmission rate of each transmission channel and on the transmission mode selected with preferably, if sending of the data of a cycle is delayed, sending of at least partial data, compressed or not, for quality control purposes. The data transmitted are reconstituted at the remote station. The method can be used for large-scale seismic data transmission.
Owner:INST FR DU PETROLE
Method and apparatus for varying signals transmitted by a tag
An apparatus (10, 240, 300) includes a signpost (11, 241-256, 322, 612, 623, 626-628, 652, 661, 682, 686, 703) which transmits signpost signals (24) that are received by a tag (12, 271-275, 301-316, 395-397, 616-618, 641-643, 653, 656-657, 662-664, 679, 708, 711). The tag in turn transmits radio frequency beacon signals (72) which are received by a reader (13, 261, 319, 521-530) The tag can vary the duration of the beacon signals, for example in dependence on whether it is currently receiving a signpost signal. Further, the tag can dynamically vary the transmission rate and / or transmission power of the beacon signals, for example following receipt of a signpost signal. Varying these parameters can facilitate compliance with governmental regulations.
Owner:SAVI TECH INC
Methods and systems for rate-based flow control between a sender and a receiver
InactiveUS7304951B2Excessive rateFluctuation in rateError preventionTransmission systemsTransmitterReal-time computing
Methods and systems for rate-based flow control between a sender and a receiver are disclosed. A receiver performs TCP-like flow control calculations based on packets received from a sender. The receiver calculates a transmission rate and forwards the transmission rate to the sender. The sender sends packets to the receiver at the rate calculated by the receiver. Thus, rather than having sender-based flow control as in TCP, the receiver controls the rate at which packets are delivered.
Owner:NORTH CAROLINA STATE UNIV
Method and apparatus for transferring isocronous data within a wireless computer network
InactiveUS6891822B1Network traffic/resource managementModulated-carrier systemsControl dataWireless computing
A communication protocol includes a hierarchical arrangement of time slots within a communication channel for transmission and reception of isochronous data (e.g., video, audio, etc.) between components of a computer network. One of the time slots may include a window for transmission of keyboard and / or cursor control data from a client unit to a server, for example as a series of past and present keyboard and / or cursor control entries, with these entries being accompanied by a counter value indicative of the number of new entries since a previous transmission. Audio rate control information may also be transmitted from the client unit to the server during the reverse time slot and may be used by the server to determine the amount of audio information to be transmitted to the client unit in a subsequent forward time slot transmission period. The audio rate control information is determined according to the amount of stored audio information at the client unit. The client unit transmits rate control information so as to ensure sufficient audio information will be available for synchronized playback with video information received from the server.
Owner:CIRRUS LOGIC INC
ARQ protocol support for variable size transmission data unit sizes using a hierarchically structured sequence number approach
InactiveUS6317430B1Error prevention/detection by using return channelTime-division multiplexUnit sizeStructure of Management Information
The present invention permits the transmission of variable size PDUs using a Hierarchical Sequence Numbering Space approach that supports ARQ protocols in a variable transmission rate environment. Some of the key attributes of this scheme are: (1) Support for arbitrarily variable PDU sizes; (2) Variable length sequence numbers in protocol headers; (3) Variable depth sequence numbers in protocol headers; (4) Dynamic sequence number context to minimize the size of sequence numbers transmitted in PDUs; (5) Protocol control schemes to coordinate and communicate sequence number space information between peer protocol entities; and (6) Data structures and approaches for the efficient implementation of Hierarchical Sequence Number Space schemes.
Owner:LUCENT TECH INC +1
Fibre channel switch
InactiveUS20050047334A1Error preventionFrequency-division multiplex detailsCrossbar switchWire speed
A Fibre Channel switch is presented that tracks the congestion status of destination ports in an XOFF mask at each input. A mapping is maintained between virtual channels on an ISL and the destination ports to allow changes in the XOFF mask to trigger a primitive to an upstream port that provides virtual channel flow control. The XOFF mask is also used to avoid sending frames to a congested port. Instead, these frames are stored on a single deferred queue and later processed in a manner designed to maintain frame ordering. A routing system is provided that applies multiple routing rules in parallel to perform line speed routing. The preferred switch fabric is cell based, with techniques used to manage path maintenance for variable length frames and to adapt to varying transmission rates in the system. Finally, the switch allows data and microprocessor communication to share the same crossbar network.
Owner:MCDATA SERVICES CORP +1
Method and apparatus for communication network cluster formation and transmission of node link status messages with reduced protocol overhead traffic
InactiveUS6980537B1Facilitate cluster formationQuantity minimizationNetwork traffic/resource managementAssess restrictionNetwork sizeProtocol overhead
The present invention facilitates cluster formation within a communications network by utilizing network topology information to designate network nodes that are crucial for relaying traffic as cluster head nodes, while remaining network nodes are designated as member nodes. A beacon packet transmission rate of a network node or the interval between successive beacon packet transmissions by that node is adjusted by the present invention to facilitate cluster formation independent of network size and varying initial start times of network nodes. In addition, the present invention utilizes the above described cluster formation technique to form a three tier architecture for transmission or flooding of routing information from head node databases throughout the network. The cluster formation technique is applied to cluster head nodes to form an additional network tier of super nodes that distribute routing information, while cluster head nodes route network data traffic. The databases of cluster head nodes are examined subsequent to flooding of head node database information by super nodes, where data missing from a head node database is requested from a corresponding super node, thereby eliminating transmissions of acknowledgment messages.
Owner:STINGRAY IP SOLUTIONS LLC
Sensor network system and data processing method for sensor network
InactiveUS8159945B2Prevent overloadEnsures reliability of a sensor net systemError preventionNetwork traffic/resource managementSensor nodeReal time transmission
Owner:HITACHI LTD
Otfs methods of data channel characterization and uses thereof
ActiveUS20150117395A1Increase chanceGood knowledgePolarisation/directional diversityTransmission path divisionWireless dataFrequency shift
Fiber, cable, and wireless data channels are typically impaired by reflectors and other imperfections, producing a channel state with echoes and frequency shifts in data waveforms. Here, methods of using OTFS pilot symbol waveform bursts to automatically produce a detailed 2D model of the channel state are presented. This 2D channel state can then be used to optimize data transmission. For wireless data channels, an even more detailed 2D model of channel state can be produced by using polarization and multiple antennas in the process. Once 2D channel states are known, the system turns imperfect data channels from a liability to an advantage by using channel imperfections to boost data transmission rates. The methods can be used to improve legacy data transmission modes in multiple types of media, and are particularly useful for producing new types of robust and high capacity wireless communications using non-legacy OTFS data transmission methods.
Owner:COHERE TECH
Generalized m-rank beamformers for MIMO systems using successive quantization
ActiveUS7336727B2Desired level of performanceOvercome limitationsModulated-carrier systemsPolarisation/directional diversityEngineeringMimo systems
Owner:SISVEL INT
Providing a portion of an electronic mail message based upon a transfer rate, a message size, and a file format
ActiveUS20050193070A1Automatic call-answering/message-recording/conversation-recordingMultiple digital computer combinationsMessage sizeWorld Wide Web
A method and an apparatus for providing a portion of an electronic mail message based upon a transfer rate, a message size, and a file format are presented. The method includes determining whether it is desirable to provide less than all of an electronic mail message and determining a format associated with the electronic mail message in response to determining that it is desirable to provide less than all of the electronic mail message. The method also includes selecting a portion of the electronic mail message using the determined format and providing the selected portion of the electronic mail message.
Owner:IBM CORP
Medium streaming distribution system
ActiveUS20050180415A1Improve communication qualityReduce impactError prevention/detection by using return channelFrequency-division multiplex detailsPacket lossDistribution system
A medium streaming distribution system reduces effects of packet loss in a network before the packet reaches radio base station. A medium distribution device for packet-transmits via the base station, a medium stream to the network by a real time transmission protocol. A packet analyzer monitors the packet arriving at the radio base station and transmits feedback Information associated with loss of a packet to the medium distribution device. Based on the feedback from a relay device and a terminal device of the medium stream, the transmission rates from the medium distribution device to the relay device and from the relay device to the terminal device are obtained to provide a greater transmission rate in a surplus band for re-transmission or a forward error correction.
Owner:QUALCOMM INC
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