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Patent # Description
US-7,555,085 CDR algorithms for improved high speed IO performance
A data receiver system. The system includes a clock generator configured to output a reference clock and circuitry configured to measure a direction of a phase...
US-7,555,084 System and method of digital system performance enhancement
The present invention performs a digital computation with a lower than worst-case-required clock period (i.e., a faster clock), and at the same time performs the...
US-7,555,083 Synchronizing circuit for stably generating an output signal
The present invention relates to a synchronizing circuit for stably generating an output signal irrespective of the frequency difference of clocks. According to...
US-7,555,082 Device, apparatus and method for receiving data transmissions having different data rates
A continuously tunable linear phase filter having a ground connection includes a three-terminal Bessel filter having an input terminal for receiving a signal, an...
US-7,555,081 Log-sampled filter system
This invention provides a filter system which may be implemented with less hardware and software resources than traditional filters. In addition, the filter...
US-7,555,080 Digital broadcasting receiving system and equalizing method thereof
A digital broadcasting receiving system and an equalizing method thereof are provided. The digital broadcasting receiving system includes: a demodulator for...
US-7,555,079 Method and corresponding arrangement for DC offset compensation using channel estimation
A method of determining a DC offset in a communications signal received via a communications channel, the communications signal comprising a sequence of training...
US-7,555,078 Wireless communication device
A first bit estimate value for a first data stream is determined from a signal y.sub.0 received by a first antenna, and a second bit estimate value for the first...
US-7,555,077 Method for path-searcher scheduling
A method for adaptively scheduling activation of a path-searcher for a mobile terminal operative in a telecommunication system. The mobile terminal is capable of...
US-7,555,076 Modular device for multiple reception of a modulated signal
A reception device includes a number of reception paths and a decoder. The reception paths are sequenced and each reception path includes a calculation module...
US-7,555,075 Adjustable noise suppression system
Methods and corresponding systems for suppressing noise in an input signal include setting a minimum overall gain in a noise reduction processor for processing a...
US-7,555,074 Interference estimation in the presence of frequency errors
Methods and apparatus for estimating interference level in a receiver are dominated by the receiver's residual frequency error when the interference is low. The...
US-7,555,073 Automatic frequency control loop circuit
Provided is a frequency control loop circuit changing division ratios of a frequency synthesizer to oscillate frequencies in a broadband with high precision. The...
US-7,555,072 Method and circuit for detecting guard intervals in OFDM communication systems
A circuit for detecting a guard interval in an orthogonal frequency division multiplication (OFDM) communication system, using two successive autocorrelation...
US-7,555,071 Method and apparatus for non-linear scaling of log likelihood ratio (LLR) values in a decoder
Methods and apparatus are provided for non-linear scaling of log likelihood ratio (LLR) values in a decoder. A decoder according to the present invention...
US-7,555,070 Parallel maximum a posteriori detectors that generate soft decisions for a sampled data sequence
A soft decision value output detector includes a plurality of maximum a posteriori (MAP) detectors. The MAP detectors are connected in parallel, and configured...
US-7,555,069 Apparatus and method for receiving a forward packet data control channel in a mobile communication system...
A forward packet data control channel (F-PDCCH) receiver for reducing alarms relating to errors in a packet data control channel for transmitting a control...
US-7,555,068 Producing control signals indicating transmit diversity and no transmit diversity
A circuit is designed with a measurement circuit (746) coupled to receive an input signal from at least one of a first antenna and a second antenna of a...
US-7,555,067 Method and apparatus for decoder input scaling based on interference estimation in CDMA
A method and apparatus adaptively scales the decoder input for a low-cost user equipment (UE) to reduce the memory requirement without degrading decoder...
US-7,555,066 E8-VSB reception system
An E8-VSB reception system system is provided. A VSB receiver converts a received broadcast signal into a digital baseband signal in synchronization with a first...
US-7,555,065 Adaptive signal tuning for digital radio receivers operating in FM bands
A radio receiver for receiving analog signals in a Frequency Modulation (FM) band includes a hybrid/all digital decoder that decodes a digital audio signal. An...
US-7,555,064 System and method for estimating noise power level in a multi-signal communications channel
A system estimates noise power in a scalar, multi-signal communications channel. A data sampler collects N data samples from communications signals received from...
US-7,555,063 Mobile terminal and data reception method for the same
To provide a mobile terminal controlling suitably whether or not a diversity reception should be performed to realize low power consumption, and a data reception...
US-7,555,062 Method and device for delay-sensitive measurement of a signal
A method and device for detecting the amplitude and/or the phase position of an intensity-modulated signal, including the following: detecting an instant value...
US-7,555,061 Optical communication device
An optical sender is disclosed that operates in a Differential Quadrature Phase Shift Keying modulation scheme for high speed optical transmission and is capable...
US-7,555,060 Spatio-temporal processing for communication
A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or...
US-7,555,059 Low power distributed transmitter
A low power distributed transmitter includes a signal generator, signal partitioning module, signal processing module, a plurality of amplifiers, and a...
US-7,555,058 Delay locked loop circuit, digital predistortion type transmitter using same, and wireless base station
Disclosed are a delay locked loop circuit capable of accurately extracting nonlinear distortion superimposed on an output of a digital predistortion type...
US-7,555,057 Predistortion calibration in a transceiver assembly
Systems and methods are provided for calibrating a digital predistorter in an integrated transceiver circuit. A digital transmitter path provides a signal from a...
US-7,555,056 Communication apparatus and method
A terminal determined to be a communication partner in advance is subjected to transmission power control, and another terminal receives data with the maximum...
US-7,555,055 Digital subscriber line communicating system
A digital subscriber line communicating system having a central office and a remote terminal connected through a telephone line, the transmitting side comprising...
US-7,555,054 Methods and systems for transmission of multiple modulated signals over wireless networks
Receiver network for receiving a first filtered modulated transmitted signal in a first RF band and a second modulated transmitted signal in a second RF band and...
US-7,555,053 Long training sequence for MIMO WLAN systems
A method for configuring a multiple input multiple output (MIMO) wireless communication begins by generating a plurality of preambles for a plurality of transmit...
US-7,555,052 Method and system for a turbo trellis coded modulation scheme for communication systems
Method and System for evaluating a turbo-coding scheme suitable for VDSL2 systems. The scheme is a Turbo-Trellis Coded Modulation TTCM that makes use of a...
US-7,555,051 Method and device for estimating IQ imbalance
A quadrature transmitter and receiver have configurable I and Q channel paths that facilitate the application of selected test signals to determine gain and...
US-7,555,050 Space-time block coding system combined with local polynomial approximation based beamformer
Provided is an STBC transceiving system with LPA-based beamformer, including: an STBC encoder having branches, in number of D, to generate output signals in...
US-7,555,049 Receiver-side selection of DSL communications mode
A client premises digital subscriber line (DSL) modem having multi-mode capability is disclosed. In initialization, the modem estimates whether channel...
US-7,555,048 High-speed single-ended interface
Circuits, methods, and apparatus for transmitting, receiving, aligning and re-synchronizing high-speed single-ended signals by aligning a clock signal to one or...
US-7,555,047 Apparatus, method and computer program for detecting echo in the frequency domain
A method, apparatus and computer program for detecting an echo signal including interpolating at least one fast Fourier transformed OFDM signal received in the...
US-7,555,046 Method and system for searching and verifying magnitude change events in video surveillance
A method for detecting events in a video sequence includes providing a video sequence, sampling the video sequence at regular intervals to form a series of...
US-7,555,045 MPEG video decoder and MPEG video decoding method
A picture decoding section starts to decode a bit-stream for one picture when a decoding start command is supplied from a decoding start command generating...
US-7,555,044 Frequency coefficient scanning paths for coding digital video content
A method and system of transform-based encoding, decoding, and bitstream generation of digital video content is disclosed. The digital video content comprises a...
US-7,555,043 Image processing apparatus and method
A 6-tap filter circuit and a 4-tap filter circuit generate interpolation pixel signals of an image signal S40. A selection circuit selects one of the 6-tap...
US-7,555,042 Method and apparatus for reverse play
In the method and apparatus for reverse play, the forward predictive encoded pictures in a compressed video stream are decoded, and selected ones of the decoded,...
US-7,555,041 Code quantity control apparatus, code quantity control method and picture information transformation method
Code quantity control based on a virtual buffer is executed by using information extracted from picture compressed information conforming to a predetermined...
US-7,555,040 Method and apparatus for generating equalizer filter tap coefficients
A method and apparatus generating an error signal and an update vector signal used to generate filter tap coefficients for an equalizer filter residing in an...
US-7,555,039 Simultaneous display of eye diagram and jitter profile during device characterization
A system, apparatus and method for testing and optimizing an electrical device using a simultaneous display of both a signal's eye diagram and total jitter...
US-7,555,038 Transmission system, signal receiver, test apparatus and test head
A transmission system for transmitting a transmission signal, includes a section for outputting a periodic clock having a preset period, a section for...
US-7,555,037 Methods and apparatuses to provide synchronization symbol on demand for DSL systems
A method and apparatus for providing synchronization data on demand are described. The method includes sending one or more synchronization parameters from a...
US-7,555,036 System and method for implementing a delta-sigma modulator integrity supervisor
A system and a method for constructing a signal integrity supervisor capable of both detecting and triggering an appropriate response when transmit path signals...
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