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7617408 |
System and method for providing accurate time generation in a computing device of a power system
A system and method provides accurate time generation in a computing device that includes a computing device clock and a microprocessor. The method includes determining a total system latency based...
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7613270 |
System and method for adaptive multi-rate (AMR) vocoder rate adaptation
The present invention includes a time-division-multiple-access (TDMA) communication system having a base station and at least one mobile station, each transmitting and receiving an analog...
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7613125 |
Method and apparatus for temporal alignment of multiple parallel data streams
Methods and apparatus for aligning the transmitters of two or more bidirectional ports of an integrated circuit (IC), particularly an application-specific IC (ASIC) or field-programmable gate array...
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7602873 |
Correcting time synchronization inaccuracy caused by asymmetric delay on a communication link
Techniques for correcting time synchronization inaccuracy caused by asymmetric delays on a communication link. Time synchronization according to the present techniques includes determining an...
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7593482 |
Wireless communication system with hardware-based frequency burst detection
A wireless communication system is provided that includes RF circuitry and signal processing circuitry. The signal processing circuitry includes a dedicated frequency burst (FB) search hardware...
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7590387 |
High accuracy voltage controlled oscillator (VCO) center frequency calibration circuit
Methods and systems for calibrating a frequency of a circuit are disclosed herein and may comprise dividing a feedback frequency of an output frequency signal to generate a divided frequency...
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7586989 |
Method and system for generating beam-forming weights in an orthogonal frequency division multiplexing network
A method of generating beam-forming weights in an orthogonal frequency division multiplexing network is provided. The method includes generating a plurality of sub-bands. Each sub-band comprises a...
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7583753 |
Methods and transmitters for loop-back adaptive pre-emphasis data transmission
A method of transmitting data can include pre-emphasizing data for transmission by a transmitter over a transmission line based on an error feedback signal provided to the transmitter from a...
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7577222 |
Methods and apparatus with logic to determine a relative change relationship between modem and frame clocks
Methods and apparatus to determine a relative change relationship between modem and frame clocks are generally described herein. Other embodiments may be described and claimed.
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7561582 |
Data reception device
A data reception device having a reception data buffer unit storing a plurality of packets contained in a data packet, a reception data amount measuring unit measuring the data amount stored in the...
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7558359 |
System and method for adaptive multi-rate (AMR) vocoder rate adaptation
The present invention includes a time-division-multiple-access (TDMA) communication system having a base station and at least one mobile station, each transmitting and receiving an analog...
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7546090 |
Method to reduce power consumption in a radio communication system and apparatus therefor
A slave radio station establishes communization with a master radio station by transmitting a signal intermittently, listening for a response, and saving power by deactivating its transmitter and...
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7545899 |
System and method of phase-locking a transmit clock signal phase with a receive clock signal phase
Systems and methods for synchronizing a receive clock signal phase with a transmit clock signal phase are presented. A system includes a receiving channel and a transmitting channel, wherein the...
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7542485 |
Time and data synchronization between network devices
To synchronize time between network devices equally capable of accurately maintaining an indication of current time, one of the network devices is deemed to be a reference for time and the other...
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7522684 |
Signal transmission system
For signals to be transmitted through a signal transmission path constituted by a relay device group for relay for each set of a plurality of channels, a timing adjustment unit is provided in both...
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7499515 |
System and method for automated link quality measurement for adaptive modulation systems using noise level estimates
A communications system includes a transmitter that transmits a modulated signal having encoded communications data over a communications channel. The transmitter adjusts one of at least modulation...
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7499514 |
Communication system, reception apparatus and method, recording medium and program
A communication system, reception apparatus and method, recording medium and program are provided. A technique is provided wherein, even where means for synchronizing a reception clock with a...
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7499513 |
Method and apparatus for providing frequency synthesis and phase alignment in an integrated circuit
According to particular example embodiments, an integrated circuit includes one or more serializing data transmitters. Each such data transmitter is arranged to transmit data on a respective data...
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7469005 |
Method for synchronizing memory areas in a transmitter apparatus and a receiver apparatus, and receiver apparatus
The invention relates to a method for synchronizing a transmitter memory area in a transmitter memory in a transmitter apparatus with a receiver memory area in a receiver memory in a receiver...
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7450069 |
Ranging system and method
A system and method for estimating the range between two devices performs two or more ranging estimates with subsequent estimates performed using a clock that is offset in phase with respect to a...
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7447289 |
Signal timing adjustment device, signal timing adjustment system, signal timing adjustment amount setting program, and storage medium storing the program
Delay time between an input of data to a circuit block and an output of the data from the data block is measured in accordance with a timing at which the data from the circuit block is acquired by...
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7440530 |
Circuit for and method of optimizing the transmission of data on a communication channel
A circuit for optimizing the transmission of data on a communication channel is disclosed. According to one embodiment of the invention, a circuit comprises a transmitter circuit having a...
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7418054 |
Transmitter adjustment based on transmission statistics
A WLAN (Wireless Local Area Network) transmitter or another data communications apparatus is provided that includes a transmission section that is configured to generate signals to be transmitted,...
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7400672 |
Method and system for detecting transmitter errors
A system for detecting transmission errors in a data transmission system includes a receiver for receiving a data packet transmitted thereto by a corresponding transmitter and transmitting the data...
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7398411 |
Self-calibrating time code generator
Provided is a self-calibrating time code generator and method for generating an accurate time code (e.g., an accurate IRIG waveform). The self-calibrating time code generator includes a...
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7395094 |
Method and apparatus for synchronizing a smart antenna apparatus with a base station transceiver
A method of synchronizing a smart antenna apparatus with a base station transceiver includes receiving at the smart antenna apparatus control signals being communicated from a base station...
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7394857 |
Flexible versatile low-cost wireline transmit driver
A versatile, programmable, low-cost transmit line driver is provided. The line driver includes a digital-to-analog converter that receives a digital input and provides an analog output. The line...
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7388933 |
Wireless communication system having adaptive threshold for timing deviation measurement and method
A system and method of wireless communication determines received signal timing deviation which is used to generate a timing advance for adjusting wireless transmit receive unit (WTRU)...
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7386277 |
Communication system and method for increasing communication efficiency
A mobile communication system capable of increasing communication efficiency and a method therefor are provided, including a receiver for grouping n MCS levels (where n>0) into continuous m MCS...
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7386079 |
Seamless clock
System ( 10 ) comprising at least two units ( 1, 2 ) with clock functionality, the units being coupled to a common system clock line (SCLK), a common internal clock line (ICLK), and a logic bus...
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7376212 |
RF isolator with differential input/output
A system for providing voltage isolation includes the first and second chips, each containing functional circuitry. The chips are interconnected via at least one RF isolation link that provides...
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7372930 |
Method to synchronize data and a transmitter and a receiver realizing said method
A method to realize synchronization of data (DAT) sent from a transmitter (TX) to the receiver (RX), with a signal (SIG) available in the receiver (RX). The method includes the following steps: in...
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7372872 |
System and method for monitoring upstream and downstream transmissions in cable modern system
A network monitor includes means for monitoring downstream traffic from a cable modem termination system (CMTS) to a cable modem (CM), means for monitoring upstream traffic from the CM to the CMTS,...
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7362816 |
Inversion of channel distortion by adaptive wavelet lifting
A method for inverting telecommunication channel distortion by adaptive wavelet lifting. The distortion signal is analyzed using wavelet lifting and the inverse filter is computed. Coefficients of...
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7359470 |
Minimizing feedback rate for channel state information in MIMO systems
A method minimizes a rate for feeding back channel state information from a receiver to a transmitter in a multi-input, multi-output communications systems. A temporal autocorrelation function of...
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7352715 |
Time synchronization using dynamic thresholds
Methods and apparatus for time synchronization using dynamic thresholds. A method for synchronizing network elements includes receiving at a network element a time synchronization message sent from...
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7336727 |
Generalized m-rank beamformers for MIMO systems using successive quantization
The telecommunications system described herein implements a multi-rank beamformer for use in wireless systems equipped with multiple transmit and multiple receive antennas. The multi-rank...
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7317775 |
Switched deskew on arbitrary data
A method and circuit capable of handling skew between a clock and data signal up to +/− one half bit on a random input data pattern. A digital algorithm cycles through each data bit and...
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7292666 |
Time difference adjustment circuit
In a first stage, each of level detection circuits compares a transmission signal and a first reference voltage Vr 1 to detect a rising edge, and phase difference detection circuits detect phase...
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7286624 |
Two-way RF ranging system and method for local positioning
A positioning system includes a plurality of devices configured to exchange RF signals with one another. A first device periodically receives a message from each other device during time slots...
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7275174 |
Self-aligning data path converter for multiple clock systems
A system and method for aligning an input signal ( 24 ) synchronized to a first clock signal ( 22 ) with a second clock signal ( 26 ) The invention includes a mechanism ( 106 ) for generating a...
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7248661 |
Data transfer between phase independent clock domains
An integrated circuit arrangement clocked by a single clock having variable delays to different regions of said arrangement such that said regions are partially synchronized to each other, the...
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7242732 |
Carrier based backwards compatible data networking transmitter, receiver, and signal format
New version packet data devices support a backwards-compatible signal format. New version devices operate within a first frequency band while old version devices operate within a second frequency...
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7230980 |
Method and apparatus for impulse radio transceiver calibration
A method for calibrating an impulse radio distance measuring system comprising an impulse radio transceiver by conducting a pulse through a transmit receive switch to an antenna, receiving return...
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7224758 |
Multiple transmit antenna weighting techniques
Provided are techniques for the adjustment of antenna transmission weighting values in a communications system that utilizes multiple transmit antennas. A first signal is transmitted on a first...
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7221687 |
Reference timing architecture
A reference timing architecture is disclosed that provides a level of flexibility that was not available with the architecture in the prior art. In particular, the present invention provides for...
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7216047 |
Time-delay discriminator
A method of determining the delay between two corresponding noise-like signals comprises determining events at which the level of a first of the signal crosses a predetermined threshold, using each...
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7206353 |
Mobile communication apparatus including an antenna array and mobile communication method
A mobile communication apparatus having an antenna array and a mobile communication method performed in the mobile communication apparatus, wherein the mobile communication apparatus includes a...
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7203225 |
Method of phase controlling of a data signal, counter clock circuit arrangement, and interface device
The invention relates to a method of phase controlling a data signal transmitted from a data source to a data sink using a counter clock approach, wherein the phase of a data sink clock is compared...
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7197096 |
Compensation of reference frequency drift in system requiring critical upstream timing
Systems and methods are disclosed for to compensating reference frequency drift in a communications system having a plurality of modems and a headend, where the system requires critical upstream...
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