Patents for H04L 27 - Modulated-carrier systems (89,721)
08/2006
08/30/2006EP1436958A4 A digital implementation of multi-channel demodulators
08/30/2006EP1393403B1 Tunable phase shifter and applications for same
08/30/2006EP1048129B1 Method and apparatus for crosstalk cancellation
08/30/2006EP0965209B1 Digital information transmission system, corresponding process and devices
08/30/2006CN1826809A Robust mode stagger casting with multiple delays for multi-resolution signals
08/30/2006CN1826808A Robust mode stagger casting with multiple delays for multi-resolution signals
08/30/2006CN1826785A Method and device for estimating a propagation channel of a multicarrier signal
08/30/2006CN1826784A System and apparatus for encoding using different waveforms
08/30/2006CN1826783A Receivers for cycle encoded signals
08/30/2006CN1826782A Signal constellations for multi-carrier systems
08/30/2006CN1826781A Modulation device, demodulation device, modulation method, and demodulation method
08/30/2006CN1826780A Method and system for wireless communication networks using relaying
08/30/2006CN1826761A Interference cancellation in wireless relaying networks
08/30/2006CN1826748A A transform-based alias cancellation multi-channel tuner
08/30/2006CN1826745A Radio transmitter apparatus and modulation scheme selecting method
08/30/2006CN1826744A Peak electric power suppressing apparatus and peak electric power suppressing method
08/30/2006CN1826004A Carrier search methods and related devices
08/30/2006CN1825944A Mobile video broadcasting system and method thereof
08/30/2006CN1825919A Device for receiving digital signals with fading compensation
08/30/2006CN1825884A Maintenance information communication terminal, management mainframe, image forming apparatus and communication method
08/30/2006CN1825855A Radio integrated circuit and radio communication method
08/30/2006CN1825842A Distortion correcting circuit of power amplifier and distortion correcting method of power amplifier
08/30/2006CN1825841A Apparatus for and method of compensation for frequency offset and channel variation in mimo-ofdm receiver
08/30/2006CN1825840A Synchronization method and apparatus for coherent OFDM receiver based on frequency correlation
08/30/2006CN1825839A A demodulator and phase compensation method thereof
08/30/2006CN1825790A Method for matching between element sequence and subcarrier in TD-SCDMA system
08/30/2006CN1272951C Method and device for quantizing input to soft decoders
08/30/2006CN1272950C Single-carrier receiver having channel equalizer and channel equalization method therefor
08/30/2006CN1272949C Digital-to-analog communication device and method
08/29/2006US7100182 Digital VSB transmission system
08/29/2006US7099907 Fir filter and ramp-up/-down control circuit using the same
08/29/2006US7099679 Method of saving power by reducing active reception time in standby mode
08/29/2006US7099647 Single chip direct conversion transceiver for reducing DC offset and method of manufacturing the same
08/29/2006US7099642 Method and apparatus for matching receiver carrier frequency
08/29/2006US7099639 Automatic frequency control apparatus for determining loop gain constant based on absolute phase error
08/29/2006US7099637 Method of evaluating the quality of a radio link in a mobile radiocommunication system
08/29/2006US7099627 Systems and methods for a wireless network connection point locator
08/29/2006US7099626 Method and apparatus for gain equalization based on wide-band multi-carrier base station
08/29/2006US7099425 Adjustment circuit and method for tuning of a clock signal
08/29/2006US7099422 Synchronization of ultra-wideband communications using a transmitted-reference preamble
08/29/2006US7099413 Method for near optimal joint channel estimation and data detection for COFDM systems
08/29/2006US7099410 Reduced complexity MLSE equalizer for M-ary modulated signals
08/29/2006US7099409 Channel estimation and/or equalization using repeated adaptation
08/29/2006US7099407 Phase frequency synchronism circuitry and optical receiver
08/29/2006US7099406 Alias sampling for IF-to-baseband conversion in a GPS receiver
08/29/2006US7099404 Digital transmitter
08/29/2006US7099402 Transmitter system and method for a wireless communication system
08/29/2006US7099401 Discrete multitone interleaver
08/29/2006US7099399 Distortion-managed digital RF communications transmitter and method therefor
08/29/2006US7099397 Receiver of an orthogonal frequency division multiplexing system
08/29/2006US7099396 Multicarrier modulation using weighted prototype functions
08/29/2006US7099383 Apparatus and associated method for operating upon data signals received at a receiving station of a fixed wireless access communication system
08/29/2006US7099374 Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving matched-filter outputs
08/29/2006US7099373 Noise shaping technique for spread spectrum communications
08/29/2006US7099353 Orthogonal frequency division multiplexing system with superframe synchronization using correlation sequence
08/29/2006US7099313 Replaceable printed board assembly (PBA)
08/29/2006US7099270 Multi-path equalization for orthogonal frequency division multiplexing communication system
08/29/2006US7099269 Methods and apparatus for generating and utilizing training codes in a space division multiplexing communication system
08/29/2006US7099268 Orthogonal frequency division multiplex modem circuit
08/29/2006US7099266 Orthogonal frequency division multiplexed signal transmitting apparatus, orthogonal frequency division multiplexed signal receiving apparatus, and orthogonal frequency division multiplexed signal transmitting/receiving system
08/29/2006US7098821 Receiving and transmitting signals having multiple modulation types using sequencing interpolator
08/29/2006US7098819 Modulation apparatus/method, demodulation apparatus/method and program presenting medium
08/29/2006US7098754 Fractional-N offset phase locked loop
08/29/2006CA2407503C Activation of multiple xdsl modems with implicit channel probe
08/24/2006WO2006088942A2 Integrated fec decoding and iterative diversity reception
08/24/2006WO2006088329A1 Correlation unit for use in software-defined radio systems and therefor method
08/24/2006WO2006087283A1 Method & apparatus for demodulating an optical differential phase-shift keying signal
08/24/2006WO2006071376A9 Mimo ofdm transmitter for spatial interleaving a plurality of spatial streams and corresponding method therefor
08/24/2006WO2006071376A2 Mimo ofdm transmitter for spatial interleaving a plurality of spatial streams and corresponding method therefor
08/24/2006WO2006053002A9 Systems and methods for high-efficiency transmission of information through narrowband channels
08/24/2006WO2005112319A3 Mapping data tones onto guard tones for a multi-band ofdm system
08/24/2006WO2005112318A3 Mimo system and mode table
08/24/2006US20060189285 Communication semiconductor integrated circuit, a wireless communication apparatus, and a loop gain calibration method
08/24/2006US20060189282 Transmitter
08/24/2006US20060188042 Narrowband gain control of receiver with digital post filtering
08/24/2006US20060188041 Apparatus and method for estimating transmitted signal
08/24/2006US20060188040 Data channel with sampling rate less than the channel bit rate
08/24/2006US20060188039 Method and apparatus for performing an n-dimensional gradient search
08/24/2006US20060188037 Data transmission device
08/24/2006US20060188034 System and method for multiple signal carrier time domain channel estimation
08/24/2006US20060188033 Wireless receiver with anti-jamming
08/24/2006US20060188031 Intelligent demodulation systems and methods in an OFDMA multicell network
08/24/2006US20060188030 System and method for shifting data bits multiple times per clock cycle
08/24/2006US20060188029 Sensor array with amplitude modulated output signal
08/24/2006US20060188028 Analog correlator for very high speed data communication
08/24/2006US20060188027 Apparatus and method for reduced sample rate class S RF power amplifier
08/24/2006US20060187894 Phase estimation method in a digital and phase locked loop communication system
08/24/2006US20060187023 PLC breaker bridge
08/23/2006EP1694021A1 OFDM transmitter for peak reduction
08/23/2006EP1694020A1 Multicarrier modulation system and method
08/23/2006EP1694019A1 Method of and system for controlling frame synchronisation for European Digital Audio Broadcasting (DAB)
08/23/2006EP1694018A1 Method for compensating sampling frequency offset and OFDM signal receiving apparatus thereof
08/23/2006EP1694017A1 Method and apparatus for demodulating an optical differential phase-shift keying signal
08/23/2006EP1694016A1 Device and method for correcting a data error in communication path
08/23/2006EP1694015A1 Blind detection method and apparatus, and communication receiver
08/23/2006EP1692877A2 Method to inject hierarchical data into single carrier stream
08/23/2006EP1692836A1 Multi-carrier transceiver assembly
08/23/2006EP1692835A2 Method and apparatus of frequency estimation for the downlink of td-scdma systems
08/23/2006EP1692834A1 Avoidance of discontinuities when switching between modulation schemes
08/23/2006EP1692825A1 Method and apparatus for transmitting wireless signals on multiple frequency channels in a frequency agile network