Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2005
05/26/2005US20050111406 Multi-user multicarrier allocation in a communication system
05/26/2005US20050111365 Hybrid DSL system for transmission of hybrid DSL data via a subscriber access line in order to increase the overall data transmission rate of both transceivers
05/26/2005US20050111345 Forward error correction coding in communication networks
05/26/2005CA2545468A1 Wireless communication method and apparatus for performing post-detection constellation correction
05/25/2005EP1533968A2 Signal reception device and method of signal reception timing detection
05/25/2005EP1533967A2 Transmitting methods and transmitting apparatuses
05/25/2005EP1533966A2 Apparatus and method for transmitting/receiving channel quality information of subcarriers in an orthogonal frequency division multiplexing system
05/25/2005EP1533965A2 Apparatus and method for controlling adaptive modulation and coding in an orthogonal frequency division multiplexing communication system
05/25/2005EP1533964A2 High data through put wireless local area network reciever
05/25/2005EP1533963A2 Frame format for high data throughput wireless local area network transmissions
05/25/2005EP1533961A2 OFDM reception apparatus
05/25/2005EP1533929A1 Communication apparatus and communication method
05/25/2005EP1533926A1 Radio transmission device, radio reception device, and method for selecting transmission cancel subcarriers
05/25/2005EP1533917A1 Antenna diversity switch for a receiver system and method using this switch
05/25/2005EP1533910A2 Configurable spectral mask for use in a high data throughput wireless communication
05/25/2005EP1533909A1 Apparatus and method for enhancing a reception rate of a receiver
05/25/2005EP1532789A1 Method and transmission device for the transmission of data in a multi-carrier system
05/25/2005EP1532788A1 Processing of an ofdm signal
05/25/2005EP1532786A1 Apparatus and methods for suppression of interference
05/25/2005EP1532759A1 Extracting the phase of an ofdm signal sample
05/25/2005EP1532747A2 Access burst detector correlator pool
05/25/2005EP1532529A1 Apparatus and methods for a coding scheme selection
05/25/2005EP1510056A4 Segment-wise channel equalization based data estimation
05/25/2005EP1442545A4 Stfbc coding/decoding apparatus and method in an ofdm mobile communication system
05/25/2005EP1425885B1 Method and system for transmitting data from a first data network into a second data network
05/25/2005EP1374428B1 Transceiver
05/25/2005EP1354453B1 Method for transmitting and receiving a biorthogonal frequency multiplex synchronous modulated signal, corresponding devices for transmitting and receiving
05/25/2005EP1157455B1 Fm demodulator using a differentiator
05/25/2005EP1105986B1 Method for transmitting information and suitable system therefor
05/25/2005DE10349191A1 Information transmission with energy budget management involves adapting symbol duration, number of bits per symbol or symbol duration and number of bits per symbol to current transmission conditions
05/25/2005DE10320420B4 Anordnung und Verfahren zur digitalen Vorverzerrung eines komplexen Basisband-Eingangssignals Arrangement and method for digitally predistorting a complex baseband input signal
05/25/2005DE102004047724A1 Transmission device for transceiver, has complex multiplication unit to logically combines predistortion coefficient with baseband signals, and power amplifier to compensate for amplitude modulation/phase modulation distortion
05/25/2005DE102004041558A1 Synchronerfassungsverfahren und -Vorrichtung Synchronous detection method and apparatus
05/25/2005CN1620777A Data communication method for use between single carrier system and multiple carrier system
05/25/2005CN1620776A Constellation resetting of automatically repeat requesting transmitting diversity scheme
05/25/2005CN1620775A Constellation resetting of transmitting diversity scheme
05/25/2005CN1620774A Electronic transmitter/receiver
05/25/2005CN1620768A System and method for avoiding stall using timer for high-speed downlink packet access system
05/25/2005CN1620760A Multi-stage code generator and decoder for communication systems
05/25/2005CN1620644A Device and method for performing multiple modulus conversion using inverse modulus multiplication
05/25/2005CN1620052A OFDM reception apparatus
05/25/2005CN1619997A Method and apparatus for encoding short block length low density parity check (LDPC) codes
05/25/2005CN1619972A Apparatus and method for enhancing a reception rate of a receiver with AGC
05/25/2005CN1619960A Equalization method and apparatus using the same
05/25/2005CN1203620C Method for system-independent digital evaluation of mobile communication reception signals of various mobile telephone standards
05/24/2005US6898757 Decoding multi-block product code
05/24/2005US6898257 Transmitter device having a modulation closed loop
05/24/2005US6898256 Synchronization method and apparatus
05/24/2005US6898252 IQ mismatch cancellation
05/24/2005US6898249 Method and apparatus for AM digital audio broadcasting with amplitude scaled tertiary subcarriers
05/24/2005US6898248 System employing threaded space-time architecture for transporting symbols and receivers for multi-user detection and decoding of symbols
05/24/2005US6898237 Method of, and receiver for, estimating the bit rate of data
05/24/2005US6898236 System and method for adaptively accommodating a high amplitude downstream signal in a DSL modem
05/24/2005US6898235 Wideband communication intercept and direction finding device using hyperchannelization
05/24/2005US6898207 Techniques for communicating information using Hermite-Gaussian basis functions
05/24/2005US6898150 Hydraulically balanced reciprocating pulser valve for mud pulse telemetry
05/24/2005CA2378873C Self blocking for a subscriber unit
05/24/2005CA2364409C Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (dbpsk)
05/24/2005CA2352010C Training and synchronization sequences for wireless systems with multiple transmit and receive antennas used in cdma or tdma systems
05/24/2005CA2271768C Coded modulation for fading channels
05/24/2005CA2259608C Method and apparatus for compensating for a varying d.c. offset in a sampled signal
05/19/2005WO2005046253A2 Channel condition estimation for pilot coefficient selection
05/19/2005WO2005046156A2 Transparent multi-mode pam interface
05/19/2005WO2005046155A1 Multi-carrier transceiver assembly
05/19/2005WO2005046154A1 Clipping circuit and radio transmission device using the same
05/19/2005WO2005046153A1 Modulating apparatus, mobile communication system, modulating method, and communication method
05/19/2005WO2005046152A1 Radio communication apparatus and mcs deciding method
05/19/2005WO2005046119A1 A method of setting up the association between the session transaction identification and the network application entity
05/19/2005WO2005046107A2 A system and method for encoding and decoding digital data using acoustical tones
05/19/2005WO2005046098A1 Multi-mode receiver
05/19/2005WO2005024995A3 Communication system and method for channel estimation and beamforming using a multi-element array antenna
05/19/2005WO2005011225A3 Continuous phase frequency shift keying system
05/19/2005WO2005006588A3 Methods and apparatus for backwards compatible communication in a multiple input multiple output communication system with lower order receivers
05/19/2005WO2005002122A3 Tri-state integer cycle modulation
05/19/2005WO2004105339A3 Bi-directional vector modulator and phased array antenna
05/19/2005WO2004043028A8 Papr reduction
05/19/2005WO2002103949A3 Digital subscriber line analog front end with adaptive hybrid
05/19/2005US20050107969 Delay profile estimation apparatus and a correlating unit
05/19/2005US20050107096 Method and apparatus for mobile radio velocity estimation
05/19/2005US20050107059 Compensation of mismatch between quadrature paths
05/19/2005US20050107054 Variable gain control circuit and receiver apparatus using the circuit
05/19/2005US20050107053 Reception of multicarrier spread-spectrum signals
05/19/2005US20050107050 Variable communication system
05/19/2005US20050107048 Diversity switch combiner
05/19/2005US20050107045 Coherent tracking for FM In-Band On-Channel receivers
05/19/2005US20050105659 Method and apparatus for synchronization of the OFDM systems
05/19/2005US20050105657 Coherent track for FM IBOC receiver using a switch diversity antenna system
05/19/2005US20050105655 Portable radio terminal and AFC control method
05/19/2005US20050105653 FSK signal detector
05/19/2005US20050105651 Dual mode QAM/VSB receiver
05/19/2005US20050105650 Demodulation device for reacquiring a modulated signal if reception is interrupted
05/19/2005US20050105649 Constitution of a receiver in an ultra-wideband wireless communications system
05/19/2005US20050105648 Coherent adaptive calibration system and method
05/19/2005US20050105647 Channel estimation by adaptive interpolation
05/19/2005US20050105643 Gaussian fsk modulation with more than two modulation states
05/19/2005US20050105642 Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device
05/19/2005US20050105638 Method and apparatus for performing modulation/demodulation in a wireless communication system
05/19/2005US20050105633 Method and system for the conversion of phase shift keying signals (PSK) into amplitude shift keying signals (ASK)
05/19/2005US20050105603 PRBS generator selection in modem communication
05/19/2005US20050105601 Digital subscriber line communicating system