Mohammad H Ghayour

US Patent 11175866 Information processing system and non-transitory computer readable medium for dynamically estimating print time for print jobs on a roll of paper

US Patent 7388902 Method for receiving spectrum spreading signals with frequency shift correction

US Patent 7388906 Method for detecting bridged taps on telephony cable

US Patent 7391818 Energy-control and path-selection method and apparatus for digital diversity signaling

US Patent 7391820 Multitone power spectral density

US Patent 7394881 Radio receiver and/or transmitter including a programmable equalizer

US Patent 7397840 Dual code spread spectrum communication system

US Patent 7400666 Method for generating communication signal sequences having desirable correlation properties and system for using game

US Patent 7400669 Leakage nulling receiver correlator structure and method for ultra wide bandwidth communication system

US Patent 7400691 Power control on a packet-by-packet basis in a CMOS transceiver

US Patent 7400694 Method and apparatus for eye-opening based optimization

US Patent 7403573 Uncorrelated adaptive predistorter

US Patent 7408973 Ultra wide bandwidth spread-spectrum communications system

US Patent 7412007 High efficiency ultra wideband generator

US Patent 7412011 Joint ratio estimation and weights detection in closed loop transmit diversity

US Patent 7415075 Multi-rate encoding and decoding system

US Patent 7415076 Method and system for utilizing space-time codes for block fading channels

US Patent 7415079 Decoder design adaptable to decode coded signals using min* or max* processing

US Patent 7415080 Method and apparatus for detecting data sequences

US Patent 7418051 Nonsystematic repeat-accumulate codes for encoding and decoding information in a communication system

US Patent 7418065 Multicarrier receivers and methods for detecting cyclic prefixes having unknown lengths

US Patent 7418071 Method and apparatus for generating a phase dependent control signal

US Patent 7426240 Data processing apparatus and method operable to map and de-map symbols and carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol

US Patent 7447286 Adaptive direct conversion receiver

US Patent 7450668 Soft bit viterbi equalizer using partially collapsed metrics

US Patent 7453950 System and method of efficiently modulating data using symbols having more than one pulse

US Patent 7457367 Detector and method for estimating data probability in a multi-channel receiver

US Patent 7460627 Data reproduction device

US Patent 7463674 Tables for determining the signal strength of a received signal in a fibre optics transceiver

US Patent 7463702 System and method for one-pass blind transport format detection

US Patent 7466749 Rate selection with margin sharing

US Patent 7466787 Multi-stage phase detector

US Patent 7469003 Method and apparatus for adaptive channel equalization using decision feedback

US Patent 7471721 System and method for scrambling the phase of the carriers in a multicarrier communications system

US Patent 7471745 Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system

US Patent 7471753 Serializer clock synthesizer

US Patent 7474713 System and method for demodulating multiple QAM signals

US Patent 7474720 Clock and data recovery method and digital circuit for the same

US Patent 7477679 Spread spectrum demodulator employing frequency detection

US Patent 7477693 Reduced complexity channel estimation for wireless communication systems

US Patent 7477707 Computationally efficient demodulation for differential phase shift keying

US Patent 7480326 Channel diagnostic systems and methods

US Patent 7483475 Efficient joint detection

US Patent 7483480 FFT accelerated iterative MIMO equalizer receiver architecture

US Patent 7486720 Training frames for MIMO stations

US Patent 7486752 Alignment of clock signal with data signal

US Patent 7489735 Apparatus and method for processing signals from recording medium

US Patent 7489737 Delay adjustment device and method, and radio base station apparatus

US Patent 7489739 Method and apparatus for data recovery

US Patent 7492815 Reduced parallel and pipelined high-order MIMO LMMSE receiver architecture

US Patent 7492833 Method for digital wireless communications

US Patent 7499484 Method for 2D antenna rake combining in a code division multiple access system

US Patent 7499486 Data transmission rate adaptation in a wireless communication system

US Patent 7499489 Equalization in clock recovery receivers

US Patent 7508862 Determination and selection of transmission paths as a function of the operating situation for setting up rake fingers for rake receiver units in mobile communication terminals

US Patent 7515670 Early-late synchronizer having reduced timing jitter

US Patent 7515672 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting

US Patent 11188662 Encrypted data backup and restoration for image forming apparatuses using cloud

US Patent 7522662 Electronic device including image forming apparatus

US Patent 7522670 Digital transmission circuit and method providing selectable power consumption via single-ended or differential operation

US Patent 7526018 Multi-standard transceiver for supporting wireless communications in 2.3-2.4 GHz band

US Patent 7535955 Methods, algorithms, software, architectures, systems and circuitry for adaptive filtering and/or minimizing a sequence detector error rate

US Patent 7535984 Clock adjustment apparatus and method thereof

US Patent 7539268 Transmission/reception arrangement and method for reducing nonlinearities in output signals from a transmission/reception arrangement

US Patent 7542505 Systems and methods for signal conversion

US Patent 7542524 Radio wave receiver, radio wave reception integrated circuit, wave clock, and repeater

US Patent 7545845 Wireless communication system, wireless transmitter, wireless receiver, wireless communication method, wireless transmission method and wireless reception method

US Patent 7545874 Apparatus for pre-scaling data packets with multiple signal gain coefficients in a SIMO/MISO transceiver for communication with a SISO transceiver

US Patent 7545886 Method and apparatus for eye-opening based optimization

US Patent 7545897 Method and apparatus for recording time information for digital data streams

US Patent 7548582 Kalman-viterbi joint channel equalizer

US Patent 7551688 Waveforms for envelope tracking transmitter

US Patent 7555067 Method and apparatus for decoder input scaling based on interference estimation in CDMA

US Patent 7555079 Method and corresponding arrangement for DC offset compensation using channel estimation

US Patent 7558326 Method and apparatus for sending auxiliary data on a TMDS-like link

US Patent 7558333 Distortion tolerant linear phase modulations

US Patent 7558336 Semiconductor device, memory device and memory module having digital interface

US Patent 7561643 DC offset correction in mobile communication system

US Patent 7564925 Analog-to-digital converter with a decision circuit and an optimized decision threshold

US Patent 7567643 Phase lock loop device

US Patent 7570684 Method for joint time synchronization and frequency offset estimation in OFDM system and apparatus of the same

US Patent 7573945 System and method for joint maximal ratio combining using time-domain based signal processing

US Patent 7573963 Method and apparatus for reducing the processing rate of a chip-level equalization receiver

US Patent 7577203 Minimizing non-deterministic noise by using wavelet transform

US Patent 7577220 Apparatus and method for readjustment of a sampling time in radio receivers

US Patent 7577227 Link adaption in general packet radio service networks

US Patent 7583736 Radio transmission device, radio reception device, and method for selecting transmission cancellation subcarriers

US Patent 7583754 Method and system for broadband predistortion linearization

US Patent 7583762 Reduced-complexity multiple-input, multiple-output detection

US Patent 7586989 Method and system for generating beam-forming weights in an orthogonal frequency division multiplexing network

US Patent 7586990 Method and system for allocating subcarriers to subscriber devices

US Patent 7587014 Digital frequency/phase recovery circuit

US Patent 7590184 Blind preamble detection for an orthogonal frequency division multiplexed sample stream

US Patent 7590201 Method for detecting signal in multiple input multiple output system and receiving device of multiple input multiple output system

US Patent 7593454 Enhanced QPSK or DQPSK data demodulation for direct sequence spreading (DSS) system waveforms using orthogonal or near-orthogonal spreading sequences

US Patent 7593496 Phase interpolator

US Patent 7596166 Integrated circuit device including a spectrum spread clock generator, method for controlling the device, and ink-jet recording apparatus including the device

US Patent 7599446 Modulation and demodulation based on hierarchical modulation

US Patent 7599457 Clock-and-data-recovery system having a multi-phase clock generator for one or more channel circuits

US Patent 7599458 System and method to reduce jitter

US Patent 7599459 Receiving apparatus, data transmission system and receiving method

US Patent 7602869 Methods and apparatus for clock synchronization and data recovery in a receiver

US Patent 7602872 Scheduling apparatus and method in a multicarrier communication system

US Patent 7606318 Method of space-time encoding and decoding for frequency selective fading channel

US Patent 7606321 System and method for simplifying analog processing in a transmitter incorporating a randomization circuit

US Patent 7606333 Method and device for frame detection and synchronizer

US Patent 7609749 Method and apparatus for generating non-recursive variable rate orthogonal spreading codes

US Patent 7613239 Digital signal offset adjusting apparatus and pulse pattern generator using the same

US Patent 7616707 Methods and apparatus for reducing a sampling rate during a sampling phase determination process

US Patent 7619419 Wideband active-passive differential signal probe

US Patent 7620094 Spread spectrum clock generator

US Patent 7620099 WCDMA terminal baseband processing module having multi-path scanner module

US Patent 7620116 Technique for determining an optimal transition-limiting code for use in a multi-level signaling system

US Patent 7620132 Positioning signal reception device and control method of positioning signal reception device

US Patent 7620133 Method and apparatus for a digital-to-phase converter

US Patent 7623561 Channel characteristics estimation system, channel characteristics estimation method, communication apparatus, and communication method

US Patent 7623563 Apparatus and method for detecting space-time multi-user signal of base station having array antenna

US Patent 7623564 CDMA wireless system

US Patent 7623570 Multi sub-carrier communication system and method providing improved frequency equalization performance

US Patent 7623578 Time domain equalization using frequency domain operations

US Patent 7623585 Systems and modules for use with trellis-based decoding

US Patent 7623593 Data receiving apparatus capable of compensating for reduced timing margin caused by inter-symbol interference and method thereof

US Patent 7623601 Controlling gain in a satellite receiver

US Patent 7627024 Multi-frequency data transmission channel power allocation

US Patent 7627026 Threshold setting using piecewise linear approximation for channel diagnostic systems

US Patent 7627065 Generating a clock crossing signal based on clock ratios

US Patent 7633996 Method and device for determining the occupancy of a transmission channel

US Patent 7634030 Data transmission apparatus for DS/CDMA system equipped with MIMO antenna system

US Patent 7636402 Enhanced VSB transmitter and receiver

US Patent 7639745 Serial data link with automatic power down

US Patent 7639757 Pulse modulator and pulse modulation method

US Patent 7639758 Blind detection of BPSK signals in a multi-user environment

US Patent 7643545 Calibrating automatic test equipment to account for magnitude and phase offsets

US Patent 7643575 AC coupling bandwidth switch

US Patent 7643584 Efficient joint detection

US Patent 7646822 Antenna selective diversity

US Patent 7649494 GPS receiver

US Patent 7649930 Filter equalization using magnitude measurement data

US Patent 7649935 Digital adaptive feedforward harmonic distortion compensation for digitally controlled power stage

US Patent 7653123 Dynamic data rate using multiplicative PN-codes

US Patent 7653141 Multi-band OFDM UWB communication systems having improved frequency diversity

US Patent 7653160 Method of estimating noise and interference covariance matrix, receiver, and radio system

US Patent 7653165 Pulse amplitude modulated system with reduced intersymbol interference

US Patent 7653167 Phase deglitch circuit for phase interpolator for high-speed serial I/O applications

US Patent 7656959 Pipelined decision-feedback unit in a reduced-state viterbi detector with local feedback

US Patent 7656969 Dual payload and adaptive modulation

US Patent 7660359 Method for detecting UWB pulse sequences and detection means suitable for this purpose

US Patent 7664195 Method to increase the bit rate in a communication system

US Patent 7664204 Adaptive timing using clock recovery

US Patent 7664213 Clock alignment detection from single reference

US Patent 7664214 System and method for transferring data among transceivers substantially void of data dependent jitter

US Patent 7668235 Jitter measurement algorithm using locally in-order strobes

US Patent 7668239 System and method for transmit timing precompensation for a serial transmission communication channel

US Patent 7668255 Creating training sequences for space-time diversity arrangements

US Patent 7668271 Clock-data recovery (“CDR”) circuit, apparatus and method for variable frequency data

US Patent 7672382 OFDM receiving method and apparatus

US Patent 7675960 Method for generating communication signal sequences having desirable correlation properties and system for using same

US Patent 7675984 Low complexity, iterative approach to active interference cancellation

US Patent 7676011 Data recovery apparatus and method for reproducing recovery data

US Patent 7680198 Adaptive bit/power loading technique for a multicarrier communication system

US Patent 7684466 Wired spread spectrum communication device, a method for communication thereof, and a wired spread spectrum communication system

US Patent 7684471 Rake-finger combiner with reduced resource requirement

US Patent 7688900 Interleaver decorrelation in data transmitting and receiving devices

US Patent 7688904 Generating signals for transmission of information

US Patent 7688905 Noise plus interference power estimation method for OFDM systems

US Patent 7688924 Methods and apparatus for asynchronous serial channel connections in communication systems

US Patent 7693235 Reduced complexity coding system using iterative decoding

US Patent 7693240 Techniques to converge and adapt a communication system receiver

US Patent 7697621 Method and system for power loading implementation detection in beamforming systems

US Patent 7697629 Method and/or apparatus for stabilizing the frequency of digitally synthesized waveforms

US Patent 7702035 Searching method and apparatus for processing digital communication signals

US Patent 7702044 Radar detection and dynamic frequency selection

US Patent 7706436 Decision-feedback equalizer and method of updating filter coefficients

US Patent 7706457 System and method for beamforming using rate-dependent feedback in a wireless network

US Patent 7711035 Method and apparatus for suppressing communication signal interference

US Patent 7711040 Adaptive modem

US Patent 7711042 Signal processing device and method, and signal decoding device and method

US Patent 7711073 Method and circuit arrangement for determining the frequency of a received signal for demodulation of received signals

US Patent 7720172 Transmitting apparatus receiving apparatus, radio communication method and radio communication system

US Patent 7724812 Method and apparatus for de-jittering a clock signal

US Patent 7724846 Method and apparatus for mitigating interference in a satellite signal receiver

US Patent 7729419 Reconditioning equalizer filter using convolution

US Patent 7729420 Reconditioning equalizer filter for OFDM and non-OFDM signals

US Patent 7729447 Interleaver design with multiple encoders for more than two transmit antennas in high throughput WLAN communication systems

US Patent 7729457 Method of weak signal acquisition and associated apparatus

US Patent 7733937 System and method for cross-modulation interference reduction for pulse-position modulated ultrawideband signals

US Patent 7733939 Low-rate long-range mode for OFDM wireless LAN

US Patent 7733940 Method and apparatus for signal receipt and acquisition

US Patent 7733947 Data transceiving method and data transceiving equipment

US Patent 7738546 Feed forward equalizer for a communication system

US Patent 7738598 Detection and time-of-arrival estimation using an IFM receiver

US Patent 7742516 Modulator

US Patent 7746924 Determination of filter weights

US Patent 7751470 Time correlation of signal power to distortion characteristics

US Patent 7751493 Method for rate adaptation with extended MCS set for wideband eigen-beamforming transmission

US Patent 7751497 Method to minimize compatibility error in hierarchical modulation using variable phase

US Patent 7756193 Time divided pilot channel detection processing in WCDMA terminal having shared memory

US Patent 7760796 Transceiver for receiving and transmitting data over a network and method for testing the same

US Patent 7760825 Device and method for suppressing pulse interferences in a signal

US Patent 7760828 Iterative decoding and equalizing method for high speed communications on multiple antenna channels during transmission and reception

US Patent 7760833 Quadrature demodulation with phase shift

US Patent 7764734 Digital pulse width modulation with variable period and error distribution

US Patent 7764744 Apparatus and method for extending number of antennas in a wireless communication system using multiple antennas

US Patent 7769096 QM-CPM modems with higher order signaling

US Patent 7769103 Amplifier system employing analog polynomial predistortion with sub-nyquist digital adaptation

US Patent 7769116 Methods and apparatus for simultaneous automatic gain, phase and DC offset correction in communication receivers

US Patent 7769119 Method of initial synchronization of a communication signal

US Patent 7769121 Phase detector for data communications

US Patent 7778317 Method and device for detecting inductive elements in a communication line

US Patent 7778319 Jitter measuring apparatus, jitter measuring method and test apparatus

US Patent 7778332 Method and device for crosstalk test in multi-subscriber communication line

US Patent 7778374 Dual reference input receiver of semiconductor device and method of receiving input data signal

US Patent 7787580 Methods and systems for jitter management and latency compensation in a packet-based system

US Patent 7792207 Communication device with smart antenna using a quality-indication signal

US Patent 7792233 Packet preamble search method and device thereof

US Patent 7796687 Enhanced reconditioning equalizer filter chain for multi-carrier signals with different technologies

US Patent 7796710 Digital signal demodulator and wireless receiver using the same

US Patent 7801204 Estimation of BER performance

US Patent 7801242 Frequency domain equalization of communication signals

US Patent 7801261 Clock recovery from data streams containing embedded reference clock values

US Patent 7804888 Voice modem protocol for uninterrupted data connection

US Patent 7804905 Fast fourier transform processors, methods and orthogonal frequency division multiplexing receivers including memory banks

US Patent 7804906 Multicarrier transceiver

US Patent 7804916 Detector for detecting a frequency-shift keying signal by digital processing

US Patent 7809083 Differential receiver with frequency offset compensation

US Patent 7809090 Blind data rate identification for enhanced receivers

US Patent 7813438 Detector and method for estimating data probability in a multi-channel receiver

US Patent 7813442 MIMO channel estimation in presence of carrier frequency offset

US Patent 7813453 Data detection for a hierarchical coded data transmission

US Patent 7817713 Enhanced reconditioning equalizer filter for non-constant envelop signals

US Patent 7817736 Correcting for carrier frequency offset in multi-carrier communication systems

US Patent 7822097 Devices and methods for ultra-wideband communications

US Patent 7822124 Method and apparatus for adaptive iterative decision feedback control coding in modems

US Patent 7822140 Multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining

US Patent 7826522 Automatic calibration circuit for a continuous-time equalizer

US Patent 7826523 Effective adaptive filtering techniques

US Patent 7826541 Wireless relay system, wireless relay apparatus, and wireless relay method

US Patent 7826553 Multilevel LINC transmitter

US Patent 7826559 Creating training sequences for space-time diversity arrangements

US Patent 7826567 Method and apparatus for coarse and fine frequency and timing synchronisation

US Patent 7826577 Method for frequency acquisition of a mobile communications device

US Patent 7826578 Circuits and methods for noise management in systems including an asynchronously-operable data port

US Patent 7826582 Numerically controlled oscillator (NCO) output clock phase smoothing

US Patent 7830971 Apparatus and method for detecting advanced GCL sequence in wireless communication system

US Patent 7830989 Ultra wideband impulse radar

US Patent 7830998 Approximate linear FM synchronization symbols for a bandwidth configurable OFDM modem

US Patent 7835428 Method and device for facsimile communication capable of completing communication even when there is disruption to communication

US Patent 7835459 System and method for adapting to a change in constellation density while receiving a signal

US Patent 7835465 ADC architecture for wireless applications

US Patent 7839918 Method and device for estimating a frequency in the acquisition of a spread-spectrum code signal

US Patent 7839940 Ordered retransmissions for ARQ in multicarrier systems

US Patent 7843992 Global instruction broadcasting for pulse-position modulated data transmission

US Patent 7844011 Apparatus and method for improving symbol error rate performance of M-ary phase shift keying system having quadrature error

US Patent 7844018 Methods and apparatuses for reducing inter-carrier interference in an OFDM system

US Patent 7848387 Receiver parametric covariance estimation for transmit diversity

US Patent 7848403 Enhanced reconditioning equalizer filter chain for multi-carrier signals

US Patent 7852907 Performing a correlation in reception of a spread spectrum signal

US Patent 7852912 Direct determination equalizer system

US Patent 7856072 Semiconductor device, memory device and memory module having digital interface

US Patent 7860146 Adaptative multi-carrier code division multiple access

US Patent 7860148 Receiving circuit and receiving method

US Patent 7860189 Hybrid heterodyne transmitters and receivers

US Patent 7864868 Method for detecting an octet slip

US Patent 7864874 OFDM communications system employing crest factor reduction with ISI control

US Patent 7864878 Method for receiving an OFDM signal

US Patent 7864879 System having a signal processor for detection of a signal type

US Patent 7864886 Phase calculation apparatus using binary search

US Patent 7864890 Signal processing apparatus, signal processing method and storage system

US Patent 7864898 Systems and methods for signal acquistion in navigational satellite signal receivers

US Patent 7864906 System and method for clock signal synchronization

US Patent 7869498 Low power decision feedback equalization (DFE) through applying DFE data to input data in a data latch

US Patent 7876835 Channel equalizer and method of processing broadcast signal in DTV receiving system

US Patent 7876858 Preamble detection with multiple receive antennas

US Patent 7885320 MGT/FPGA clock management system

US Patent 7889781 Maximum energy delay locked loop for cluster path processing in a wireless device

US Patent 7889812 Direct digital frequency synthesizer with phase error correction, method therefor, and receiver using same

US Patent 7889822 Frequency domain equalizer with one dominant interference cancellation for dual antenna radio

US Patent 7894558 Receiving circuit for multi-slot receiving provided with circuit for adjusting frequency characteristic of active filter

US Patent 7899109 GPS m-code receiver tracking system

US Patent 7903717 Receiver, receiving method, program and information recording medium

US Patent 7903761 UWB radio interface with DC offset

US Patent 7903772 Digital demodulator with improved hardware and power efficiency

US Patent 7903774 Method for creating a system clock in a receiver device and corresponding receiver device

US Patent 7907664 Digital adaptive feedforward harmonic distortion compensation for digitally controlled power stage

US Patent 7907672 Synchronization method, receiver, network element, communication device, electronic device, computer program product and computer program distribution medium

US Patent 7907678 Power series predistorter and control method thereof

US Patent 7912165 Digital receiver synchronization

US Patent 7916785 Image processing apparatus and method

US Patent 7916797 Residual frequency, phase, timing offset and signal amplitude variation tracking apparatus and methods for OFDM systems

US Patent 7924907 Apparatus and method for spreading/de-spreading data using pair of child orthogonal variable spreading factor codes

US Patent 7924912 Method and apparatus for a unified signaling decision feedback equalizer

US Patent 7924925 Flexible macroblock ordering with reduced data traffic and power consumption

US Patent 7933357 Apparatus and method for transmission and reception in a multi-user MIMO communication system

US Patent 7933366 Channel estimation method and system using linear correlation based interference cancellation (LCIC) combined with decision-feedback-equalization (DFE)

US Patent 7991040 Methods and apparatus for reduction of a peak to average ratio for an OFDM transmit signal