Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2005
07/14/2005WO2005062755A2 Ofdm frequency offset estimation apparatus and method
07/14/2005WO2005062732A2 A variable spreading factor-orthogonal frequency and code division multiplexing (vsf-ofcdm) system, a receiver for use therein and a method of processing received signals in such a system
07/14/2005WO2005062698A2 System and method for managing protocol network failures in a cluster system
07/14/2005WO2004075459A3 Transmit diversity and separating multiple loopback signals
07/14/2005WO2004039011A3 Mimo wlan system
07/14/2005US20050153669 Timing adjustment method for wireless communication apparatus
07/14/2005US20050152705 Gain variable amplifier, carrier detection system, and infrared remote-control receiver using them
07/14/2005US20050152484 Multicarrier receivers and methods for separating transmitted signals in a multiple antenna system
07/14/2005US20050152483 Systems and methods for implementing path diversity in a wireless communication network
07/14/2005US20050152482 Method and system for estimating and compensating IQ imbalance
07/14/2005US20050152481 Method and apparatus of iq mismatch calibration
07/14/2005US20050152480 Apparatus and method for estimating interference and noise in a communication system
07/14/2005US20050152477 Wireless signal loss detection
07/14/2005US20050152476 Direct conversion receiver and receiving method
07/14/2005US20050152475 Systems and methods for receiving data in a wireless communication network
07/14/2005US20050152474 Modulation method and radio communicaiton system
07/14/2005US20050152473 High-throughput multicarrier communication systems and methods for exchanging channel state information
07/14/2005US20050152472 Method for producing a transmission signal
07/14/2005US20050152471 Transmitting device
07/14/2005US20050152470 Method for handling data transmissions within a modem
07/14/2005US20050152469 Modulator/transmitter apparatus and method
07/14/2005US20050152466 Multicarrier communication system and methods for link adaptation using uniform bit loading and subcarrier puncturing
07/14/2005US20050152465 System and method for selecting data rates to provide uniform bit loading of subcarriers of a multicarrier communication channel
07/14/2005US20050152464 Multi-channel wavelet codec
07/14/2005US20050152463 I/q mismatch compensation in an ofdm receiver in presence of frequency offset
07/14/2005US20050152462 Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system
07/14/2005US20050152461 Digital data demodulator, digital data modulator, and digital data modulator-demodulator
07/14/2005US20050152445 Bandwidth-efficient modulation in communication systems
07/14/2005US20050152442 Real-time formation of optimal power spectral density masks
07/14/2005US20050152441 Symbol timing recovery method for DMT-VDSL
07/14/2005US20050152437 Modulation and transmission methods to provide a wireless link and transmitter circuit for providing a wireless link
07/14/2005US20050152411 Robust digital communication system
07/14/2005US20050152403 Method and device for frequency adjustment
07/14/2005US20050152385 High speed multiple loop DSL system
07/14/2005US20050152357 Systems and methods to convey additional signaling information in a wireless local area network
07/14/2005US20050152328 Adaptive channelization scheme for high throughput multicarrier systems
07/14/2005US20050152327 Interleaving circuit for a multiband OFDM transceiver
07/14/2005US20050152326 Frequency error estimation and frame synchronization in an OFDM system
07/14/2005US20050152319 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
07/14/2005US20050152302 Transmitting apparatus, receiving apparatus, and communication system for formatting data
07/14/2005US20050152267 Apparatus and method for canceling interference signal in an orthogonal frequency division multiplexing system using multiple antennas
07/14/2005US20050152266 Apparatus and method for canceling interference signal in an orthogonal frequency division multiplexing system using multiple antennas
07/14/2005US20050152265 Apparatus for production of scrambling codes and preambles
07/14/2005US20050150285 Tire parameter sensing system having alternating frequency transmission and two channel reception and associated method
07/14/2005DE10062573B4 USB-Endgerät USB terminal
07/14/2005DE10059135B4 Transceiver Transceiver
07/13/2005EP1553751A1 Digital signal processing reception device and method
07/13/2005EP1553743A1 Multi-carrier transceiver with reliable online reconfiguration
07/13/2005EP1553714A1 Communicating method, transmitting device using the same, and receiving device using the same
07/13/2005EP1553706A1 Bandwidth efficient LDPC (low density parity check) coded modulation scheme based on MLC (multi-level code) signals
07/13/2005EP1553705A1 Iterative demodulation and decoding of multi-level turbo or LDPC (low-density parity-check) coded modulation signals
07/13/2005EP1553694A1 Modulation and transmission methods to provide a wireless link and transmitter circuit for providing a wireless link
07/13/2005EP1552640A2 Digital subscriber line analog front end with adaptive hybrid
07/13/2005EP1552639A1 Constellation rearrangement for arq transmit diversity schemes
07/13/2005EP1552638A1 Simplified implementation of optimal decoding for cofdm transmitter deversity system
07/13/2005EP1552637A1 Constellation rearrangement for transmit diversity schemes
07/13/2005EP1552630A2 Method and apparatus for formatting signals for digital audio broadcasting transmission and reception
07/13/2005EP1552625A1 Beam-steering and beam-forming for wideband mimo/miso systems
07/13/2005EP1552391A1 Method and apparatus for antenna selection using channel response information in a multi-carrier system
07/13/2005EP1476939B1 Method for adjusting a two-level modulator and two-level modulator with an adjusting device
07/13/2005EP1468537B1 Method and device for carrying out a channel estimation in the presence of phase shifts
07/13/2005EP1135908B8 Adaptive channel characterization using decoded symbols
07/13/2005CN1640086A Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
07/13/2005CN1640085A 3G radio device
07/13/2005CN1640084A Resonant power converter for radio frequency transmission and method
07/13/2005CN1640081A System and method for post filtering peak power reduction in multi-carrier communications systems
07/13/2005CN1640033A Systems and methods for high rate OFDM communications
07/13/2005CN1640030A Centralized buffer architecture for an orthogonal frequency division multiplexing (OFDM) receiver
07/13/2005CN1640025A Radio base station apparatus
07/13/2005CN1640021A Radio communication device, receiver device, and reception manner selecting method
07/13/2005CN1639969A Reducing peak-to-average signal power ratio
07/13/2005CN1639962A Quadrature demodulator using a FFT processor
07/13/2005CN1639669A Multiple dataport clock synchronization
07/13/2005CN1638375A Apparatus, method and computer program for detecting echo in the frequency domain
07/13/2005CN1638374A Receiving method and receiving apparatus with adaptive array signal processing
07/13/2005CN1638373A Apparatus and method for canceling interference signal in an orthogonal frequency division multiplexing system using multiple antennas
07/13/2005CN1638371A Frequency offset estimating method and frequency offset correcting apparatus utilizing said method
07/13/2005CN1638370A Cell search method for orthogonal frequency division multiplexing based cellular communication system
07/13/2005CN1638356A Transmitter device and relay device for performing data transmission control
07/13/2005CN1638342A System and method for managing protocol network failures in a cluster system
07/13/2005CN1638327A Encryption device and program and method used along with the same
07/13/2005CN1638324A Radio communication system, transmitter, receiver and radio communicating method
07/13/2005CN1638314A Signal transmission method of digital TV ground transmission system
07/13/2005CN1638296A Digital audio frequency broadcasting receiver
07/13/2005CN1638292A Transmitting device
07/13/2005CN1210923C Apparatus for reducing DC offset in receiver
07/13/2005CN1210904C Error rate estimating device, and error rate estimating method
07/13/2005CN1210900C Method for suppressing phase noise by transmission parameter signallings
07/13/2005CN1210899C Calcellar for jamming wave by interference
07/13/2005CN1210871C Signal transmission equipment
07/13/2005CN1210863C N-port wiring apparatus and method for processing modulated digital radio-frequency signal
07/12/2005US6917955 FFT processor suited for a DMT engine for multichannel CO ADSL application
07/12/2005US6917795 Multi-carrier receiver with improved radio frequency interference canceling
07/12/2005US6917682 Method and device for echo cancelling
07/12/2005US6917655 Coding and decoding a signal modified in accordance with the feedback states of an encoder
07/12/2005US6917654 Increased digital bandwidth carried on an analog signal cycle using a data structure
07/12/2005US6917580 Frequency reuse scheme for OFDM system
07/12/2005US6917559 Constellation mapping apparatus and method
07/12/2005US6917311 Orthogonal preamble encoder, method of encoding orthogonal preambles and multiple-input, multiple-output communication system employing the same
07/12/2005CA2199708C Efficient linear power amplification