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31results about How to "Robust transmission" patented technology
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Speech encoding in a client server system
InactiveUS6594347B1Robust transmissionWithout loss of qualityFrequency-division multiplex detailsAutomatic call-answering/message-recording/conversation-recordingMobile telephonySpeech identification
Speech encoding in a client server system such as a laptop, personal data assistant or mobile phone communicating with an interactive voice response telephony application. A method of communication with a speech enabled remote telephony device such as a mobile phone is described comprising the following steps. Receiving user speech input into the mobile phone as part of a dialogue with an interactive voice response telephony application. Performing speech recognition to convert the speech into text and converting the text into tones such as DTMF tones. Transmitting the DTMF tones over the voice channel to an interactive voice response (IVR) telephony application an allowed response feature converts the users response to a known valid response of the IVR application. A language conversion feature allows a person in one language to speak in that language to an IVR application operating in a different language.
Owner:IBM CORP
Method and Apparatus for Time Limited Messages in Packet Communications
ActiveUS20150326510A1Robust transmissionData switching networksPacket communicationStore and forward
The present disclosure includes systems and methods for direct packet communications and store and forward packet communications including packets which have attributes which determine the lifetime of the packet contents and these lifetimes are optionally a function of the recipient. Example methods are given featuring the transmission of packets with limited lifetime, the storing and retransmission of packets to one or more recipients and confirmation of deletion of packet contents. It is also shown that cryptography may be employed to ensure that timed presentation of packet contents to recipients takes place and is authenticated by the sender.
Owner:PQ SOLUTIONS LTD
System and method for embedded audio coding with implicit auditory masking
InactiveUS7110941B2Eliminate overheadImprove compression efficiencySpeech analysisMasking thresholdComputer science
The embedded audio coder (EAC) is a fully scalable psychoacoustic audio coder which uses a novel perceptual audio coding approach termed “implicit auditory masking” which is intermixed with a scalable entropy coding process. When encoding and decoding an audio file using the EAC, auditory masking thresholds are not sent to a decoder. Instead, the masking thresholds are automatically derived from already coded coefficients. Furthermore, in one embodiment, rather than quantizing the audio coefficients according to the auditory masking thresholds, the masking thresholds are used to control the order that the coefficients are encoded. In particular, in this embodiment, during the scalable coding, larger audio coefficients are encoded first, as the larger components are the coefficients that contribute most to the audio energy level and lead to a higher auditory masking threshold.
Owner:MICROSOFT TECH LICENSING LLC
Device for adjusting camber and/or toe
ActiveUS8322729B2Robust transmissionIncreased tooth meshingSteering partsResilient suspensionsEngineeringMechanical engineering
The invention relates to a device for adjusting the camber and / or toe of the wheels (20) of wheel suspensions (10), especially for motor vehicles, including a wheel carrier (12) on which the respective wheel (20) is rotatably mounted and which is subdivided into a carrier part (24) receiving the wheel, a guide part (22) connected to the wheel suspension (10), and two rotary parts, especially control cylinders (26, 28), arranged between the carrier part and the guide part and rotatable in relation to each other, to the carrier part (24) and to the guide part (22) about a common rotation axis (32). Each of the rotary parts can be moved by a drive (40) and a servo drive (42) in both directions of rotation. According to the invention, the servo drive (42) is designed for at least one of the rotary parts (26, 28) as a planetary gear train (42), and the planetary gear train (42) is especially radially externally arranged around the rotary part (26, 28).
Owner:AUDI AG
System and method for a robust preamble and transmission delimiting in a switched-carrier transceiver
InactiveUS20050152404A1Robustly delimitingReliably conveyedFrequency-division multiplexSignalling characterisationCarrier signalTelecommunications
A method and system for robust delimiting of messages in switched-carrier operation in which a preamble precedes each message. The preamble comprises symbols transmitted at a rate lower than that of the following data. The lower rate significantly increases the probability that decoding of the preamble symbols will be error-free. Communication line control information can be included in the preamble, thereby ensuring that line control information is reliably transferred over the channel. The preamble's first symbol can be transmitted at the lower symbol rate and at an increased power level, thereby reliably delimiting the beginning of a transmission. The end of the message can be reliably delimited by sending the first symbol which contains only bits from a next cell of information at a lower symbol rate, and including an extra bit in that symbol. The extra bfit can indicate to a receiver when the last cell of information begins.
Owner:REMBRANDT COMM LP
Wireless device having movable antenna assembly and system and method for process monitoring
ActiveUS20090167613A1Improve sealingEasy to monitorPivotable antennasAntenna supports/mountingsTransceiverSet screw
A wireless device (150) and related method of monitoring or controlling a process includes a housing (200) having a mounting structure (300) for rigidly connecting the wireless device with respect to a solid surface, such as within a processing facility (125). An antenna assembly (250) has a movable connection (e.g., using set screw 310 and channel 425) with the housing (200), wherein the antenna assembly can be moved with respect to the housing (200), and wherein the movable connection maintains a hermetic seal and an explosion-proof flame path of the housing and the antenna assembly. The wireless device (150) can include a transmitter, receiver or a transceiver coupled to the antenna assembly (250), wherein the wireless device (150) is operable to wirelessly transmit using the antenna assembly to a remote receiver or receive information from a remotely located transmitter.
Owner:HONEYWELL INT INC
Method and device for transmission and reception in a multi-input and multi-output channel distributing a code word between several mapping matrices, and corresponding computer program
ActiveUS20130159817A1Eliminate needRobust transmissionCode conversionError correction/detection using block codesMulti inputTransmission channel
A method for transmitting a source binary sequence, including at least one source word, in a transmission channel, The method includes the following steps, for at least one source word: error-correcting encoding the source word, outputting a code word; matrix mapping the code word, distributing bits constituting the code word within at least two mapping matrices, which are reversible and observe a criterion of uniqueness in the cancellation of a syndrome associated with the code word; and consecutively transmitting the at least two mapping matrices.
Owner:ORANGE SA (FR)
Methods and apparatuses for adaptive clock reconstruction and decoding in audio frequency communication
ActiveUS20100310012A1Increase data rateRobust transmissionFrequency-modulated carrier systemsSynchronising arrangementSelf adaptivePeak value
The invention relates to methods for adaptive clock reconstruction and decoding in audio frequency. The method includes the steps of: receiving a modulated signal, wherein the modulated signal is modulated by RC-FSK (Return to Carrier Frequency Shifting Keying); performing a spectrum analysis to the modulated signal to obtain a plurality of frequency envelopes; storing the frequency envelopes; searching the peak values of the frequency envelopes and the time points corresponding to the peak values to modify an estimated period; and generating a clock period for the RC-FSK demodulation and a clock phase for the RC-FSK demodulation according to the estimated period.
Owner:GENERALPLUS TECH INC
Overhead reduction in frequency hopping system for intermittent transmission
InactiveUS7447252B2Reduce message lengthReduce transmission overheadTransmissionTelemetry EquipmentTransmitter
A radio transmission telemetry system includes several transmitters intermittently transmitting short messages indicative associated sensors status and a receiver for collecting data from the sensors. Each transmitter changes time and frequency of transmissions according to a time-frequency pattern that is different for each transmitter. The receiver identifies each source of transmissions based on its unique variations of the transmission time and frequency, thus eliminating the necessity to include the transmitter ID code in each transmitted message. Thus, overhead in the transmissions is reduced. In addition, the sensor status and other supervisory information such as battery status are partitioned and included in the transmitted messages in portions and at different rates according to the state of the PN-generator for producing the time-frequency pattern. The receiver can determine what and when is included without additional control bits in the transmitted messages. Thus, overhead in the transmissions is further reduced.
Owner:PARTYKA ANDRZEJ
Method and Arrangement in Wireless Communications Network
InactiveUS20120094670A1Measurement report robustRobust transmissionNetwork traffic/resource managementCommunications systemReduced size
A method in a wireless terminal (110) for sending a measurement report to a serving base station (130) before handover is provided. The wireless terminal (110) and the base station (130) are comprised in a cell in a wireless communications system. The wireless terminal (110) is arranged to use a standard size message or a reduced size message for sending a measurement report before a handover. The wireless terminal (110) obtains (601) information about the cell size and / or the system load. When the cell size exceeds a predetermined value or when the system load exceeds a predetermined value, the wireless terminal (110) sends (605) a measurement report to the base station (130), using the reduced size message.
Owner:TELEFON AB LM ERICSSON (PUBL)
Protecting the privacy of files referenced by their hash
ActiveUS8095803B1Robust transmission and storage efficiencyPreserving privacyDigital data processing detailsUser identity/authority verificationStorage efficiencyPrivacy preserving
A storage manager provides data privacy, while preserving the benefits provided by existing hash based storage systems. Each file is assigned a unique identifying code. Hashes of the content-derived chunks of the file are calculated based on the content of the chunk and the code identifying the file. When a request to store a chunk of data is received, it is determined whether a chunk associated with the hash has already been stored. Because hashes are based on privacy-preserving codes as well as content, chunks of duplicate copies of a file need not be stored multiple times, and yet privacy is preserved for content at a file level. In other embodiments, hashes indicating whether a given file is public and / or indicating the identity of the requesting user are also sent with storage requests. These additional hashes enable more robust transmission and storage efficiency, while still preserving privacy.
Owner:HEWLETT-PACKARD ENTERPRISE DEV LP
Method for transmitting uplink data in wireless communication system and device for same
ActiveUS20180092105A1Guarantee reliabilityRobust errorError prevention/detection by using return channelSignal allocationResource blockBase station
Owner:LG ELECTRONICS INC
System and method for a robust preamble and transmission delimiting in a switched-carrier transceiver
InactiveUS6950444B1Robustly delimitingRobust transmissionTime-division multiplexSignalling characterisationTelecommunicationsCarrier signal
Owner:REMBRANDT TECH LP
Wireless device having movable antenna assembly and system and method for process monitoring
ActiveUS7595763B2Improve sealingEasy to monitorPivotable antennasAntenna supports/mountingsMobile antennasSet screw
A wireless device (150) and related method of monitoring or controlling a process includes a housing (200) having a mounting structure (300) for rigidly connecting the wireless device with respect to a solid surface, such as within a processing facility (125). An antenna assembly (250) has a movable connection (e.g., using set screw 310 and channel 425) with the housing (200), wherein the antenna assembly can be moved with respect to the housing (200), and wherein the movable connection maintains a hermetic seal and an explosion-proof flame path of the housing and the antenna assembly. The wireless device (150) can include a transmitter, receiver or a transceiver coupled to the antenna assembly (250), wherein the wireless device (150) is operable to wirelessly transmit using the antenna assembly to a remote receiver or receive information from a remotely located transmitter.
Owner:HONEYWELL INT INC
Precoding MIMO-OOFDM-VLC (Multiple-input Multiple-output-Optical Frequency Division Multiplexing-Visible Light Communication) imaging communication method based on PDS (Photodetector Selection)
ActiveCN105656551AReduce correlationStable High Performance GainSpatial transmit diversityClose-range type systemsPhotodetectorVisible light communication
The invention discloses a precoding MIMO-OOFDM-VLC (Multiple-input Multiple-output-Optical Frequency Division Multiplexing-Visible Light Communication) imaging communication method based on PDS (Photodetector Selection). In the method, imaging reception and a receiving antenna selection technology are combined, and the VLC channel relevance among PDs (Photodetectors) of a same user terminal or different user terminals can be lowered remarkably, so that a stable high-performance gain is obtained for a multi-user system in a typical indoor environment; a more robust transmission link is formed for a plurality of users in the typical indoor environment; and the link bit error rate performance of a communication system is improved effectively.
Owner:SYSU CMU SHUNDE INT JOINT RES INST +1
Bicycle device with direct drive transmission and hubless wheels
InactiveUS8414006B2Eliminates of mechanismEliminate useWheel based transmissionChain/belt transmissionDrivetrainEngineering
A bicycle device with an internal drivetrain that eliminates any external mechanical drivetrain components. An internal drive gear is driven by user pedal input, which provides torque and rotation to a plurality of gear rods, connecting rods and disk gears. Gear ratio and speed choice is controlled by the drive gear and a first disk gear, which incorporate a variable gear pitch moving radially outward for which to mate with the gear rods. The drivetrain terminates at a hubless rear wheel, which rotates a tire tread around a stationary hub. Controls for the bicycle are provided in a handle bar stem device that manipulate the position of the gear rods and brake calipers. The front and rear wheel are separable from the central frame of the device for storage and transport. Overall, the present invention provides a sleek, modern upgrade to the traditional bicycle device, and incorporates several features that improve its design.
Owner:SOUVANNY NANH
Method and system for communication in a hybrid satellite/terrestrial network
ActiveUS20160156448A1RobustRobust transmissionError prevention/detection by using return channelFrequency-division multiplex detailsTelecommunications networkData transmission systems
A method for transmitting data in a telecommunication network having a satellite component and a terrestrial component, the data being organized into a set of packets having an identifier, the telecommunication network comprising at least one bearer, at least one satellite and at least one terrestrial station, the method comprises the steps of: transmission of a data packet having an identifier from said satellite, reception of the data packet by the bearer, transmission of a data packet having an identifier in response to a transmitted negative acknowledgement message by the terrestrial station. A method for receiving data to be implemented on a bearer, a method for transmitting data to be implemented on a terrestrial station, and an associated data transmission system are also provided.
Owner:THALES SA
Selection of transmission mode based on radio conditions
ActiveCN105103467AImprove estimation accuracyImprove spectral efficiencySpatial transmit diversityError preventionInformation networksCell network
A network node for selecting transmission mode towards a wireless device in a wireless communications network is provided. The wireless communications network comprises a first cell and a second cell. The wireless device is connected to the first cell, which first cell is served by the network node. The network node obtains (301) information about respective downlink signal strength from the first cell to the wireless device, and the second cell to the wireless device. The network node selects (302) transmission mode towards the wireless device based on absolute signal strength and a difference in signal strength between the first cell and the second cell. The difference is calculated based on the obtained information. Publ.
Owner:TELEFON AB LM ERICSSON (PUBL)
Bicycle Device with Direct Drive Transmission and Hubless Wheels
InactiveUS20120024613A1Improve storage and transportEliminates of mechanismWheel based transmissionChain/belt transmissionGear ratioIt design
A bicycle device with an internal drivetrain that eliminates any external mechanical drivetrain components. An internal drive gear is driven by user pedal input, which provides torque and rotation to a plurality of gear rods, connecting rods and disk gears. Gear ratio and speed choice is controlled by the drive gear and a first disk gear, which incorporate a variable gear pitch moving radially outward for which to mate with the gear rods. The drivetrain terminates at a hubless rear wheel, which rotates a tire tread around a stationary hub. Controls for the bicycle are provided in a handle bar stem device that manipulate the position of the gear rods and brake calipers. The front and rear wheel are separable from the central frame of the device for storage and transport. Overall, the present invention provides a sleek, modern upgrade to the traditional bicycle device, and incorporates several features that improve its design.
Owner:SOUVANNY NANH
Bus protocol for dynamic lighting application
ActiveUS20190132929A1Robust transmissionElectroluminescent light sourcesElectric light circuit arrangementIp addressData field
A method of operating a plurality of driving units for powering electronic units comprises interchanging a data frame including a bit sequence, between a master control unit and at least one of a plurality of driving units at slave nodes. A step of applying an ID field comprises indicating the driving unit address using a first bit sub-string comprising N bits, allowing the master control unit to identify whether data should be received or transmitted, or allowing each addressed driving unit to decode which action is required by the master control unit, using an R / T command bit, performing a length decoding step, for including information in the ID field regarding the type of instructions included in the data frame, using an F function bit, and assigning data bits to different electronic units or indicating in the length of the bit string in the data field, using a second bit sub-string.
Owner:MELEXIS TECH NV
Method and device for transmission and reception in a multi-input and multi-output channel distributing a code word between several mapping matrices, and corresponding computer program
ActiveUS9100048B2Robust transmissionSpatial transmit diversityCode conversionMulti inputTransmission channel
A method for transmitting a source binary sequence, including at least one source word, in a transmission channel. The method includes the following steps, for at least one source word: error-correcting encoding the source word, outputting a code word; matrix mapping the code word, distributing bits constituting the code word within at least two mapping matrices, which are reversible and observe a criterion of uniqueness in the cancellation of a syndrome associated with the code word; and consecutively transmitting the at least two mapping matrices.
Owner:ORANGE SA (FR)
Base station and method for controlling radio resources allocation
ActiveCN105075167AReduce distractionsHigh data rateSpectral gaps assessmentTransmission path divisionQuality of serviceTransceiver
The invention relates to a base station (100), comprising: a transceiver (101) for multi-carrier radio transmission within a radio frequency band, the transceiver (101) being adapted to receive service quality requests (102) of a plurality of users requesting service from the base station (100); and a radio resource controller (103) being adapted to allocate subcarriers of the multi-carrier radio transmission to the users and to configure the subcarriers in the radio frequency band according to the service quality requests of the users.
Owner:HUAWEI TECH CO LTD
Communication of data blocks over a communication system
InactiveUS20130128987A1Robust errorHigh bandwidthModulated-carrier systemsPicture reproducers using cathode ray tubesComputer hardwareCommunications system
The invention relates to a method of transmitting and receiving a primary data stream of data blocks, each data block formed by a plurality of N symbols, over a communication system that is robust to transmission errors and signal interruptions due to obstacles, and that minimizes bandwidth usage. The transmitting method comprising: forming a secondary data stream comprising shortened data blocks formed from the M most significant symbols of data blocks of the primary data stream, where M<N; and transmitting the primary and secondary data streams in accordance with, respectively, first and second transmission parameters; wherein the first and second transmission parameters causing the transmitting of the secondary data stream to be more robust against transmission errors than the transmitting of the primary data stream.
Owner:CANON KK
Bus protocol for dynamic lighting application
ActiveUS10368423B2Robust transmissionElectroluminescent light sourcesElectric light circuit arrangementIp addressData field
A method of operating a plurality of driving units for powering electronic units comprises interchanging a data frame including a bit sequence, between a master control unit and at least one of a plurality of driving units at slave nodes. A step of applying an ID field comprises indicating the driving unit address using a first bit sub-string comprising N bits, allowing the master control unit to identify whether data should be received or transmitted, or allowing each addressed driving unit to decode which action is required by the master control unit, using an R / T command bit, performing a length decoding step, for including information in the ID field regarding the type of instructions included in the data frame, using an F function bit, and assigning data bits to different electronic units or indicating in the length of the bit string in the data field, using a second bit sub-string.
Owner:MELEXIS TECH NV
Select transmission mode based on radio conditions
ActiveCN105103467BImprove estimation accuracyImprove spectral efficiencySpatial transmit diversityConnection managementTelecommunicationsInformation networks
A method in a network node for selecting a transmission mode to a wireless device in a wireless communication network is provided. The wireless communication network includes a first cell and a second cell. The wireless device is adapted to connect to a first cell, the network node serving the first cell. A network node obtains (301) information on respective downlink signal strengths from a first cell to said wireless device and from a second cell to said wireless device. The network node selects (302) a transmission mode for the wireless device based on the absolute signal strength and the difference in signal strength between the first cell and the second cell. A difference in signal strength between the first cell and the second cell is calculated based on the obtained information.
Owner:TELEFON AB LM ERICSSON (PUBL)
Precoded mimo‑oofdm‑vlc imaging communication method based on dynamic optical receiver selection PDs
ActiveCN105656551BReduce correlationStable High Performance GainSpatial transmit diversityClose-range type systemsPrecodingMultiuser system
The invention discloses a precoding MIMO-OOFDM-VLC (Multiple-input Multiple-output-Optical Frequency Division Multiplexing-Visible Light Communication) imaging communication method based on PDS (Photodetector Selection). In the method, imaging reception and a receiving antenna selection technology are combined, and the VLC channel relevance among PDs (Photodetectors) of a same user terminal or different user terminals can be lowered remarkably, so that a stable high-performance gain is obtained for a multi-user system in a typical indoor environment; a more robust transmission link is formed for a plurality of users in the typical indoor environment; and the link bit error rate performance of a communication system is improved effectively.
Owner:SYSU CMU SHUNDE INT JOINT RES INST +1
Method and system for communication in a hybrid satellite/terrestrial network
ActiveUS10396961B2Robust transmissionError prevention/detection by using return channelSignal allocationTelecommunications networkComputer science
A method for transmitting data in a telecommunication network having a satellite component and a terrestrial component, the data being organized into a set of packets having an identifier, the telecommunication network comprising at least one bearer, at least one satellite and at least one terrestrial station, the method comprises the steps of: transmission of a data packet having an identifier from said satellite, reception of the data packet by the bearer, transmission of a data packet having an identifier in response to a transmitted negative acknowledgement message by the terrestrial station. A method for receiving data to be implemented on a bearer, a method for transmitting data to be implemented on a terrestrial station, and an associated data transmission system are also provided.
Owner:THALES SA
Base station and method for controlling radio resource allocation
ActiveCN105075167BReduce distractionsHigh data rateSpectral gaps assessmentTransmission path divisionQuality of serviceTransceiver
The invention relates to a base station (100) comprising: a transceiver (101) for multi-carrier radio transmission within a radio frequency band, said transceiver (101) being adapted to receive multiple a user's quality of service request (102); and a radio resource controller (103) for allocating subcarriers for said multi-carrier radio transmission to said user, and according to said service of said user A quality request configures the subcarriers in the radio frequency band.
Owner:HUAWEI TECH CO LTD
Methods and apparatuses for adaptive clock reconstruction and decoding in audio frequency communication
ActiveUS8649465B2Increase data rateRobust transmissionAngle modulationFrequency-modulated carrier systemsFrequency spectrumPeak value
The invention relates to methods for adaptive clock reconstruction and decoding in audio frequency. The method includes the steps of: receiving a modulated signal, wherein the modulated signal is modulated by RC-FSK (Return to Carrier Frequency Shifting Keying); performing a spectrum analysis to the modulated signal to obtain a plurality of frequency envelopes; storing the frequency envelopes; searching the peak values of the frequency envelopes and the time points corresponding to the peak values to modify an estimated period; and generating a clock period for the RC-FSK demodulation and a clock phase for the RC-FSK demodulation according to the estimated period.
Owner:GENERALPLUS TECH INC
System and method for measuring torque and speed of an axle
ActiveUS20210332770A1Less-costly and complexRobust transmissionVehicle testingElectrical controlAxial displacementGear wheel
Methods and systems for estimating an amount of torque that is transferred via a differential ring gear assembly are described. In one example, axial displacement of the differential ring gear assembly is determined and converted into a torque estimate. The torque estimate may be used to verify other powertrain torque estimates or for closed loop torque control.
Owner:DANA AUTOMOTIVE SYST GRP LLC
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