Patents for H04L 27 - Modulated-carrier systems (89,721)
02/2006
02/02/2006WO2005004371A3 Signal constellations for multi-carrier systems
02/02/2006US20060025168 Synchronizing push to talk service in wireless communication system
02/02/2006US20060023821 Resampler for a bit pump and method of resampling a signal associated therewith
02/02/2006US20060023816 Sliding-window decoder with prolog-windows having flexibel sizes
02/02/2006US20060023815 Method for iterative decoder scheduling
02/02/2006US20060023813 Apparatus and method for integration of tuner functions in a digital receiver
02/02/2006US20060023812 Providing correction for carrier frequency offset in multi-carrier communication systems
02/02/2006US20060023811 Digital I/Q demodulator suitable for use in wireless networks and an associated method of demodulating an RF signal
02/02/2006US20060023810 Carrier recovery system and method thereof
02/02/2006US20060023809 System for demodulation of phase shift keying signals
02/02/2006US20060023805 ASK communication device
02/02/2006US20060023802 Concatenated coding of the multi-band orthogonal frequency division modulation system
02/02/2006US20060023797 Signal transmitting/receiving system and method, signal transmitting apparatus and method, signal processing apparatus and method, recording medium, and program
02/02/2006US20060023796 ASK communication device
02/02/2006US20060022765 Modulator and method of modulation
02/02/2006DE19526998B4 Erkennungssystem für bewegliche Objekte Recognition system for moving objects
02/02/2006DE10323231B4 Erkennung eines periodischen frequenzoffset-behafteten Nutzsignals durch mehrfache parallele Kreuzkorrelation mit einem bekannten Signal unter Nutzung von Frequenzverschiebungen Detection of a periodic frequency-offset-inflicted useful signal by multiple parallel cross-correlation with a known signal using frequency shifts
02/02/2006DE102004034134A1 Harmonic waves prevention device for use during transmission of binary-coded signals, has unit generating output signal that has high level and low level signal sections, where output signal is sinusoidally formed within each section
02/02/2006DE102004014203B4 Kontaktloser Datenträger mit Stromdemodulation Contact-free data carrier with Stromdemodulation
02/01/2006EP1622330A1 Fair sub-carrier allocation in OFDM
02/01/2006EP1622295A1 Method for the spectral configuration of signals modulated by means of orthogonal frequency division multiplexing (ofdm) for an electrical network
02/01/2006EP1622288A1 Pilot symbol transmission for multiple-transmit communication systems
02/01/2006EP1620985A1 Method for simultaneous transmission of analog (pam) and digital (pwm) information
02/01/2006EP1620983A2 A transform-based alias cancellation multi-channel tuner
02/01/2006EP1620967A1 Power control of digital subscriber line
02/01/2006EP1620959A1 Method and transmitter for transmitting data in a multi-carrier system via a number of transmitting antennas
02/01/2006EP1620779A2 Carrier management for a network
02/01/2006EP1380119A4 Bandwidth-efficient wireless network modem
02/01/2006EP1060572B1 Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range
02/01/2006CN1729666A Correlation method for channel estimation for OFDM
02/01/2006CN1729642A Transmitter diversity method for OFDM system
02/01/2006CN1729617A Transmitter stage
02/01/2006CN1728830A Predictive coding device and decoding device for dynamic image
02/01/2006CN1728696A 通信系统 Communications systems
02/01/2006CN1728695A Method for assigning resources of time frequency in communication system
02/01/2006CN1728694A RF receiver mismatches calibration system and method
02/01/2006CN1728693A Channel equalizer of decision and restoration for phase correction
02/01/2006CN1728685A Method and system for facilitating data transfer in a pageable mode virtual environment
02/01/2006CN1728650A Method and arrangement for changing the operation mode of an agent of a management network
02/01/2006CN1728625A Radio communication device, communication mode alter method and program
02/01/2006CN1728624A Communication device, transmission power determination method and program
02/01/2006CN1728616A Apparatus and method for efficiently transmitting broadcasting channel utilizing cyclic delay diversity
02/01/2006CN1728599A Method for up going synchronization and accessing customer equipment in multicarrier system
02/01/2006CN1728570A RF receiver using agc and RF receiving method
02/01/2006CN1240220C Communication system
01/2006
01/31/2006US6993308 Radio receiving device and radio receiving method
01/31/2006US6993299 Efficiency of power amplifiers in devices using transmit beamforming
01/31/2006US6993101 Method of determining a start of a transmitted frame in a frame-based communications network
01/31/2006US6993099 Communications receiver architectures and algorithms permitting hardware adjustments for optimizing performance
01/31/2006US6993098 Method and apparatus for efficient calculating distance metric
01/31/2006US6993097 Demodulation method and demodulator for CPFSK-modulated signals
01/31/2006US6993096 BS digital broadcasting receiver
01/31/2006US6993095 Phase-locked loop initialization via curve-fitting
01/31/2006US6993094 Coarse frequency synchronization in multicarrier systems
01/31/2006US6993093 OFDM receiving apparatus with reduced bit error rate after demodulation
01/31/2006US6993092 Transmission apparatus, reception apparatus and digital radio communication method
01/31/2006US6993091 Correction of DC-offset of I/Q modulator
01/31/2006US6993089 Digital modulator
01/31/2006US6993088 Encoding scheme for producing magnetic field signals having desired spectral characteristics
01/31/2006US6993087 Switching mode power amplifier using PWM and PPM for bandpass signals
01/31/2006US6993086 High performance short-wave broadcasting transmitter optimized for digital broadcasting
01/31/2006US6993085 Encoding and decoding methods and devices and systems using them
01/31/2006US6993084 Coarse frequency synchronisation in multicarrier systems
01/31/2006US6993083 Apparatus and method of OFDM demodulation
01/31/2006US6993068 Method for estimating and synchronizing frame boundaries of mis-aligned cross-talk signals in a DMT system
01/31/2006US6992992 Downlink beam hopping waveform
01/31/2006US6992973 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method
01/31/2006US6992972 Frequency division multiplexing system with selectable rate
01/31/2006CA2315795C Coding method and apparatus
01/31/2006CA2147835C Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
01/31/2006CA2109530C Frequency diversity transmitter and receiver system
01/30/2006CA2856772A1 System and method for distributed input distributed output wireless communications
01/26/2006WO2006009713A1 Time synchronization using spectral estimation in a communication system
01/26/2006WO2006009711A2 Signal acquisition in a wireless communication system
01/26/2006WO2006009583A2 Apparatus for wavelet modulation by adaptive filter bank
01/26/2006WO2006009557A1 Method and apparatus for selecting a transmission mode based upon packet size in a multiple antenna communication system
01/26/2006WO2006008611A1 Multiple hypothesis channel estimation and prediction for ofdm systems
01/26/2006WO2006008359A1 Digital decoder for a digital wireless transmission system using a space-time linear code
01/26/2006WO2005107201A3 Single and multiple sinewave modulation and demodulation techniques, apparatus, and communications systems
01/26/2006WO2005074154A3 Method and apparatus for improving error rates in multi-band ultra wideband communication systems
01/26/2006US20060019627 Adaptive correction of a received signal frequency response tilt
01/26/2006US20060019622 System and apparatus for a direct conversion receiver and transmitter
01/26/2006US20060018414 RF receiver using AGC and RF receiving method
01/26/2006US20060018413 Coarse timing estimation system and methodology for wireless symbols
01/26/2006US20060018411 Pilot transmission and channel estimation for multiple transmitters
01/26/2006US20060018409 Digital television receiver and method of recovering incoming digital television signal
01/26/2006US20060018408 Method and circuit for generating an auxiliary symbol for adjusting a maq demodulator
01/26/2006US20060018405 Frequency modulator and frequency modulation method
01/26/2006US20060018404 Radio frequency transmitter and method of operating a radio frequency transmitter
01/26/2006US20060018403 Optimized high rate space-time codes for wireless communication
01/26/2006US20060018402 Pilot and data signals for MIMO systems using channel statistics
01/26/2006US20060018400 Training sequence for linearizing an rf amplifier
01/26/2006US20060018399 Transmission apparatus and communication system using the same
01/26/2006US20060018397 Capacity based rank prediction for MIMO design
01/26/2006US20060018395 Systems and methods for a multicarrier modulation system with a variable margin
01/26/2006US20060018389 Delta modulation for channel feedback in transmit diversity wireless communication systems
01/26/2006US20060018373 ADSL encoder and decoder
01/26/2006US20060018344 Approximate bit-loading for data transmission over frequency-selective channels
01/26/2006US20060018327 Method for the transmission of data telegrams in a switched cyclical communication system
01/26/2006US20060018289 Requesting and controlling access in a wireless communications network