Patents for H04L 27 - Modulated-carrier systems (89,721)
04/2007
04/25/2007EP1776769A2 Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller
04/25/2007EP1632074A4 Method and system for suppressing carrier leakage
04/25/2007EP1593225B1 Differential multiple-length transmit and reception diversity
04/25/2007EP1400082B1 Modulation scheme for tetra systems
04/25/2007EP1358726A4 A system and method for data transmission in dmt-based dsl modems
04/25/2007EP1152577B1 Clock reproducing circuit
04/25/2007CN1954594A Dual-mode sync generator in an ATSC-DTV receiver
04/25/2007CN1954586A High speed multiple loop DSL system
04/25/2007CN1954573A Method and apparatus for transmitting uplink acknowledgement information in an ofdma communication system
04/25/2007CN1954572A Phase and frequency tracking for an OFDM receiver by means of pilot phase value estimation
04/25/2007CN1954571A Transmitting and receiving apparatuses for reducing a peak-to-average power ratio and an adaptive peak-to-average power ratio controlling method thereof
04/25/2007CN1954570A Complex correlator for a vestigial sideband modulated system
04/25/2007CN1954569A Carrier recovery architecture with improved acquisition
04/25/2007CN1954536A Symbol timing ambiguity correction
04/25/2007CN1954534A Methods and apparatus for flexible spectrum allocation in communication systems
04/25/2007CN1954528A OFDM receiver apparatus and OFDM receiving method
04/25/2007CN1954510A Apparatus and method for encoding and decoding block low density parity check codes with a variable coding rate
04/25/2007CN1954501A Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters
04/25/2007CN1954496A Wireless communication method and apparatus for performing post-detection constellation correction
04/25/2007CN1953441A Device and method for adaptive correction of orthogonal unbalance
04/25/2007CN1953440A Single carrier transmitting system adaptable to dynamic environment change and method thereof
04/25/2007CN1953439A Single carrier transmitting system adaptable to dynamic environment change and method thereof
04/25/2007CN1953438A Binary frequency shift key controlled filling type digital demodulation method
04/25/2007CN1953437A Extensional OFDM system and method based on constant subcarrier width
04/25/2007CN1953436A Reestablishment method of zero signal of frequency spectrum of channel of OFDM receiver and system
04/25/2007CN1953432A An estimation method for OFDM channel based on time-frequency conversion
04/25/2007CN1953361A A method and system for sending multiple carrier frequency signal
04/25/2007CN1953339A Radio frequency signal receiver for controlling bias current and method for controlling bias current
04/25/2007CN1312874C Method for the adapting the bit rate of a bit stream which is to be transmitted in a communication system and corresponding communication device
04/25/2007CN1312873C Method used in telecommunications system
04/25/2007CN1312848C Communication device and method
04/25/2007CN1312841C Adapting device capable of converting picture element clock pulse into character clock pulse
04/24/2007US7210057 Low-speed DLL employing a digital phase interpolator based upon a high-speed clock
04/24/2007US7209867 Analog continuous time statistical processing
04/24/2007US7209717 Apparatus for radio telecommunication system and method of building up output power
04/24/2007US7209532 Phase lock loop and method for coded waveforms
04/24/2007US7209528 Over-sampling A/D converter with adjacent channel power detection
04/24/2007US7209527 Turbo decoder employing max and max* map decoding
04/24/2007US7209526 Apparatus and method for detecting I/Q channel imbalance in direct conversion digital quadrature transmission system
04/24/2007US7209525 Clock and data recovery with extended integration cycles
04/24/2007US7209524 Layered modulation for digital signals
04/24/2007US7209523 Ultra-wideband receiver and transmitter
04/24/2007US7209521 Generation of a sequence of pulse trains
04/24/2007US7209513 Phase, frequency and gain characterization and mitigation in SCDMA burst receiver using multi-pass processing
04/24/2007US7209433 Channel estimation and compensation techniques for use in frequency division multiplexed systems
04/24/2007US7209013 Systems and methods for self-calibration
04/24/2007CA2408452C Transmitting/receiving apparatus and method for packet retransmission in a mobile communication system
04/19/2007WO2007044749A2 Direct bandpass sampling receivers and related methods
04/19/2007WO2007044717A1 A phase locked loop for extending the bandwidth of a chirp signal
04/19/2007WO2007044102A2 Remotely controlled antenna and method
04/19/2007WO2007043789A1 Apparatus for creating, demodulating, transmitting and receiving othorgonal frequency division multiplexing symbol
04/19/2007WO2007043782A1 Multi-carrier wireless network using flexible fractional frequency reuse
04/19/2007WO2007043443A1 Digital modulation method, digital modulation circuit, digital demodulation method, and digital transmission system
04/19/2007WO2007043124A1 Oversampling transversal equalizer
04/19/2007WO2007043105A1 Control channel information transmitting method, and base station and terminal using the same
04/19/2007WO2007042900A1 Phase noise canceling ofdm receiver
04/19/2007WO2007042898A1 Apparatus, method and computer program product providing common pilot channel for soft frequency reuse
04/19/2007WO2007042425A1 Synchronization channel scheme for super 3g
04/19/2007WO2007042424A1 Method and apparatus for accelerated super 3g cell search
04/19/2007WO2006107911A3 Method and apparatus for reference symbol aided channel estimation
04/19/2007WO2006105522A3 Subcarrier adaptive thresholding for adaptive bit loading
04/19/2007WO2005086729A3 System and method for adaptive modulation
04/19/2007US20070087705 Clipping circuit and radio transmitter using the same
04/19/2007US20070087702 Radio transmission apparatus and radio transmission method
04/19/2007US20070087701 Communication method, transmission apparatus and reception apparatus
04/19/2007US20070086547 AGC for narrowband receivers
04/19/2007US20070086546 Baseband receiver using transition trigger and method thereof
04/19/2007US20070086545 Method and apparatus for coding in a telecommunications system
04/19/2007US20070086544 Nyquist folded bandpass sampling receivers and related methods
04/19/2007US20070086543 Apparatus and method for transmitting/receiving data in multi-user multi-antenna communication system
04/19/2007US20070086536 Channel estimation and spatial processing for tdd mimo systems
04/19/2007US20070086535 Pilot pattern design for a sttd scheme in an ofdm system
04/19/2007US20070086532 Device for transmitting and receiving
04/19/2007US20070086327 Frequency offset differential pulse position modulation
04/19/2007US20070086326 Frequency offset differential pulse position modulation
04/19/2007US20070085718 System and method for a direct conversion multi-carrier processor
04/19/2007US20070085612 Synthesizer
04/19/2007DE19933215B4 Verfahren zum Feststellen einer RDS-Rundfunkwelle und RDS-Empfänger A method for determining an RDS broadcasting wave and RDS receiver
04/18/2007EP1775901A1 Radio transmission device and radio reception device
04/18/2007EP1775874A2 Apparatus and method for assigning sub-channels in an OFDMA system
04/18/2007EP1775853A1 Multicarrier signal clipping device and method
04/18/2007EP1775848A1 Hybrid RF network with high precision ranging
04/18/2007EP1775770A1 Radio transmission device, radio reception device, radio transmission method, and radio reception method
04/18/2007EP1774743A1 Method of converting a digital bb (baseband) signal into an analog if (intermediate-frequency) signal
04/18/2007EP1774742A1 Incremental pilot insertion for channel and interference estimation
04/18/2007EP1774741A1 Coarse timing estimation system and methodology for wireless symbols
04/18/2007EP1774740A1 Frequency domain filtering to improve channel estimation in multicarrier systems
04/18/2007EP1774739A1 Ofdm signal demodulator circuit and ofdm signal demodulating method
04/18/2007EP1774737A1 Iterative channel and interference estimation with dedicated pilot tones for ofdma
04/18/2007EP1774734A1 Multiple hypothesis channel estimation and prediction for ofdm systems
04/18/2007EP1774684A1 Method for transmitting a digital signal, method for receiving a digital signal, transmitter and receiver
04/18/2007EP1774648A1 Demodulator for amplitude-modulated signals
04/18/2007EP1518328B1 Encoding of low-density parity check (ldpc) codes using a structured parity check matrix
04/18/2007EP1386435B1 Method and device for transmitting data in a multi-carrier system comprising parallel concatenated coding and modulation
04/18/2007EP1371147B1 Method and apparatus for utilizing channel state information in a wireless communication system
04/18/2007EP1323270B1 Adaptive filtering and dc offset removal for communications systems
04/18/2007EP1158739B1 Timing reproducer and demodulator comprising the same
04/18/2007CN1951114A Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
04/18/2007CN1951097A System and method for carrying a wireless based signal over wiring
04/18/2007CN1951080A System and method for power control in wireless communication systems