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9036760 Receiving apparatus and method for detecting the number of bits of the same value in a received bit stream  
An edge interval measuring block measures a first same-edge interval. A bit number detector detects the number of bits in the first same-edge interval based on reference bit length information and...
9031122 Reducing phase errors on a communication device  
A communication device that is configured for reducing phase errors is described. The communication device includes a processor and instructions stored in memory. The communication device...
9032274 Method and apparatus for clock and data recovery  
A multi-link input/output (I/O) interface uses both feed-forward and feedback signaling to reduce the impact of noise on data capture at a memory controller. To transfer data from a source module...
9025693 On-chip interferers for standards compliant jitter tolerance testing  
Systems and methods that facilitate on-chip testing are provided. An integrated circuit can include a transmitter configured to transmit a communications signal via a communications channel. The...
9025716 Inter-integrated circuit-slave interface, and method for operating an inter-integrated circuit-slave interface  
An I2C interface is provided which has a data line and a clock line, the clock line having a first input buffer, and the data line having a second input buffer and an output buffer, the data line...
9008712 Method and communication device for handling time offsets between communication device and transmission points  
A method of handling a plurality of time offsets between a communication device of a wireless communication system and a plurality of transmission points of the wireless communication system is...
9008237 Method and device for symbol detection  
A method for symbol detection includes assigning a received symbol to at least one particular candidate symbol of a set of candidate symbols of a finite candidate symbol alphabet based on a metric...
9001878 Method and apparatus to determine time and distance between transceivers using phase measurements  
Systems, apparatuses and methods are disclosed for estimating a signal travel time, and thus distance between transceivers, in an orthogonal frequency division multiplexing (OFDM) system. The...
8995519 Adaptive equaliser with asynchronous detection and inhibit signal generator  
Generating updated coefficients for an adaptive equalizer involves generating phase tracking information using asynchronous detection strategy (ADS) based on resolved data, and equalized signals,...
8995517 Method and apparatus for locating faults in communications networks  
The present invention relates to a device for the location of passive intermodulation faults in a coaxial cable network. The test apparatus (100) according to one embodiment of the present...
8995514 Methods of and circuits for analyzing a phase of a clock signal for receiving data  
A method of analyzing a phase of a clock signal for receiving data is described. The method comprises identifying an end of an eye pattern associated with received data; testing points along a...
8989246 Method and circuit of clock and data recovery with built in jitter tolerance test  
A clock and data recovery circuit with built in jitter tolerance test is disclosed. Imposing jitter on a filter inside a CDR loop to cause phase disturbances to the clock and data recovery...
8989245 Mirror signal IQ-imbalance correction  
A system and method are provided for calibrating the IQ-imbalance in a low-IF receiver. A Test Signal can be generated in a mirror frequency and conveyed to the receiver. The power of the signal...
8983000 Receiver circuit and method for operating a receiver circuit  
A receiver circuit includes a unit configured to determine filter coefficients based on a sampling time error of a received signal and a phase error of the received signal, as well as a filter...
8982938 Distortion measurement for limiting jitter in PAM transmitters  
Methods and test equipment for measuring jitter in a Pulse Amplitude Modulated (PAM) transmitter. Under one procedure, a first two-level PAM signal test pattern is used to measure clock-related...
8984038 Method and system for unconstrained frequency domain adaptive filtering  
Aspects of a method and system for unconstrained frequency domain adaptive filtering include one or more circuits that are operable to select one or more time domain coefficients in a current...
8982974 OFDM clock recovery  
Receiver synchronization techniques (RST), contributing more accurate synchronization of receiver clock to OFDM composite frame combined with much faster acquisition time and better stability of...
8982989 Process variable transmitter with variable frequency clock circuit for rejection of clock synchronous noise  
In a process variable transmitter, a sensor signal is sampled, using a clock signal, at a sensor sampling frequency. Interference is also sampled at the sensor sampling frequency. A comparison is...
8971468 Increasing the resolution of serial data recovery units (DRUs) based on interleaved free running oversamplers  
The methods and apparatus disclosed herein provide an operative system for increasing the resolution of serial DRUs based on interleaved free running oversamplers. In particular, this system uses...
8971420 Method and system permitting the sequential reorganization of signals  
A method and system for sequentially reorganizing signals received on a set of sensors, including a network of aerials or sensors, a high-precision clock, controlling a sequencer and suitable for...
8964923 Low latency high bandwidth CDR architecture  
Provided is a low latency high bandwidth clock and data recovery (CDR) system. For example, there is a low latency high bandwidth CDR system including a demultiplexer configured to convert a high...
8953668 Method and circuit of clock and data recovery with built in jitter tolerance test  
A clock and data recovery circuit with built in jitter tolerance test is disclosed. Imposing jitter on a filter inside a CDR loop to cause phase disturbances to the clock and data recovery...
8942280 Method and apparatus for timing jitter measurement  
A timing jitter measurement circuit for measuring timing jitter in the digital domain may use an interpolator bank to over-sample a signal from a media reader, a zero crossing estimator to...
8942279 Apparatus and method for transmitting/receiving data in dual mode terminal  
An apparatus and a method for transmitting/receiving data in a dual mode terminal having a host modem and a slave modem are provided. In the method, when an external apparatus generates data, the...
8934860 Method for detecting an ingress of a short-wave radio signal in a power line communication system and power line communication modem  
A method for detecting an ingress of a short wave radio signal in a power line communication system which determines a strength of a common mode signal at a frequency of the power line...
8929426 Communication device and orthogonal-error correction method  
By a simple computation, orthogonal errors from an orthogonal modulator and an orthogonal demodulator are separately corrected. Based on the amplitude of a demodulated signal, an orthogonal-error...
8923371 SerDes data sampling gear shifter  
A SerDes data sampling controller that includes a gear shifting data sampling clock that zeroes the data sampling skew at the center of the unit interval during the CDR phase lock stage, and then...
8923375 On die jitter tolerance test  
A system and method are disclosed for performing on die jitter tolerance testing. A set of clocks are generated based on an input signal. The set of clocks include in an in-phase signal based on...
8909069 Signal framing in a coherent optical receiver  
A method and system for a estimating a most likely location of a periodic SYNC burst within an optical signal received through an optical communications system. A cross-correlation is calculated...
8908489 Method and device for data processing and communication system comprising such device  
Method and device for data processing and communication system with such a device. The method and the device allow data processing via at least one channel. The method includes the following step...
RE45269 OFDM diversity transmission  
In an OFDM transmission a transmission diversity technique is used without orthogonal signaling. The phases of the subcarriers received at the different antennas are compared by different...
8897350 Orthogonal transform error corrector  
A phase adjuster arranges phases of waveforms of a complex signal after orthogonal transform. An edge detector detects an edge of the complex signal after phase adjustment. A phase shift detector...
8897395 Clock generating apparatus, test apparatus and clock generating method  
There is provided a clock generating apparatus for generating a recovered clock by recovering a clock from an edge of a received signal, including a recovered clock generating section that...
8890730 Calibration of a switching instant of a switch  
An apparatus for calibration of a signal converter is disclosed. This apparatus includes a first digital-to-analog converter (“DAC”) and a calibration system coupled to an output port of the first...
8891602 Analyzing jitter with noise from the measurement environment  
An apparatus and method for receiving a signal waveform representing a signal-under-test (SUT), and a noise waveform representing noise measured in the absence of the SUT. An environment waveform...
8879615 Equalization adaptation using timing detector  
An equalization adaptation circuit comprises an equalizer, a transition determination circuit, a phase error circuit, a sequence recovery circuit, a phase error accumulator circuit, a transition...
8873610 IQ baseband matching calibration technique  
The first and second outputs of a signal generation system are coupled to the first and second inputs of a signal digitizing system via respective electrical conductors. A controller directs the...
8873609 Communication apparatus and communication method  
A communication apparatus including: a receiver to receive signals including reference signals at each of a plurality of different reception intervals; and a processor to estimate phase...
8867595 Reference voltage generation and calibration for single-ended signaling  
A signal on a transmitter tracks noise on a ground node in a manner decoupled from a positive node of a power supply. The signal is transmitted from the transmitter to the receiver. A reference...
8867596 Methods and apparatuses of calibrating I/Q mismatch in communication circuit  
A method and apparatus of calibrating I/Q mismatch of a communication circuit is disclosed. The disclosure employs I/Q test signals respectively including different frequency components to...
8866502 Simultaneously tagging of semiconductor components on a wafer  
Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a...
8867597 Method, device and system for clock dejitter  
The present invention discloses a clock dejitter method comprising: a data sending adapter module inputting data with a system clock and using a sending clock to send data; a clock dejitter module...
8861580 Method and apparatus for determining one or more channel compensation parameters based on data eye monitoring  
Methods and apparatus are provided for determining one or more channel compensation parameters based on data eye monitoring. According to one aspect of the invention, a method is provided for...
8861579 Measuring I/Q impairments from sampled complex signals  
Systems and methods for measuring transmitter and/or receiver I/Q impairments are disclosed, including iterative methods for measuring transmitter I/Q impairments using shared local oscillators,...
8855181 Method and system for compensating a delay mismatch between a first measurement channel and a second measurement channel  
A method and a system for compensating a delay mismatch between a first measurement channel and a second measurement channel is disclosed. A method for compensating a delay mismatch between a...
8848772 Device, system and method of phase quantization for phased array antenna  
Some demonstrative embodiments include devices, systems and/or methods of phase quantization. For example, a device may include a phase quantizer to receive a plurality of non-quantized phase...
8817860 Systems and methods for performing phase tracking within an ADC-based tuner  
Systems and methods for performing phase tracking scheme for an Analog to Digital converter based tuner. In many embodiments, a phase tracking scheme is used that includes a phase locked loop that...
8817866 Data equalizing circuit and data equalizing method  
A data equalizing circuit includes an equalizer configured to output data according to a control code; and a detection unit configured to divide the data into N number of calculation periods,...
8811463 Jitter measuring trigger generator, jitter measuring apparatus using the same, method of generating jitter measuring trigger, and method of measuring jitter  
A phase adjuster 2a receives a trigger clock synchronized with a data signal to be measured as input, and controls the phase of the trigger clock such that the trigger period of samples of the...
8811280 Method of transmitting control signal in multi-cell cooperative wireless communication system  
A method and apparatus of transmitting a control signal in a multi-cell cooperative wireless communication system is provided. The method comprises transmitting to a first user equipment a first...