H04L 27 - Modulated-carrier systems

Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2006
11/14/2006	US7136445 Phase tracker for linearly modulated signal
11/14/2006	US7136442 Receiving circuit receiving message signals
11/14/2006	US7136436 Boundary detection using multiple correlations
11/14/2006	US7136435 Modified branch metrics for processing soft decisions to account for phase noise impact on cluster variance
11/14/2006	US7136433 Frequency offset cancellation circuit for data determination in FM wireless communications
11/14/2006	US7136432 Robust burst detection and acquisition system and method
11/14/2006	US7136430 Digital receiver and method
11/14/2006	US7136427 Method and apparatus for adaptive modulation using space-time block code matrix
11/14/2006	US7136426 Communication system including a wire network linked with another network via radio waves
11/14/2006	US7136425 Combining frequency multiplication and modulation
11/14/2006	US7136422 Method and apparatus for capacity increase and enhanced communications performance in CATV networks
11/14/2006	US7136419 Pulse width communications using precision timing
11/14/2006	US7136393 Information transmission system and method of data transmission
11/14/2006	US7136370 Multicarrier DS/CDMA system using a turbo code with nonuniform repetition coding
11/14/2006	US7136078 Connection device capable of mixing an RGB graphics signal and a YUV video signal and related method
11/14/2006	US7135930 Switched supply for operational amplifier
11/14/2006	CA2333173C Bs digital broadcast receiver
11/14/2006	CA2317973C Method and apparatus for identifying an orthogonal frequency division multiplexing (ofdm) terrestrial repeater using inactive sub-carriers
11/14/2006	CA2310048C Radio transmission from a communication station with an antenna array to provide a desirable radiation pattern
11/14/2006	CA2301028C An improved threshold extension block phase estimator for quasi-coherent communications systems
11/14/2006	CA2206627C Dab receiver, apparatus and method for a format conversion of a dab data sequence
11/09/2006	WO2006119159A2 Transmission of signalling information in an ofdm communication system
11/09/2006	WO2006118958A1 Timing control in orthogonal frequency division multiplex systems based on effective signal-to-noise ratio
11/09/2006	WO2006118892A1 Channel quality and performing modulation/coding
11/09/2006	WO2006118684A1 System and method for communicating data using constant amplitude waveform with hybrid orthogonal and msk or gmsk modulation
11/09/2006	WO2006118412A2 An apparaus and method for receiving signals in multi-carrier multiple access systems
11/09/2006	WO2006118411A2 An apparatus for band limiting in sc-fdma communications systems and method thereof
11/09/2006	WO2006118318A1 Polar modulation transmission circuit and communication device
11/09/2006	WO2006118317A1 Polar modulation transmitter circuit and communications device
11/09/2006	WO2006118056A1 Two-point modulation type phase modulating apparatus, polar modulation transmitting apparatus, radio transmitting apparatus, and wireless communication apparatus
11/09/2006	WO2006117834A1 Semiconductor device and ic card
11/09/2006	WO2006117764A1 Individual interleaving of data streams for mimo transmission
11/09/2006	WO2006117590A1 Polar transmitter with digital to rf converter
11/09/2006	WO2006117589A1 Reconfigurable transmitter with direct digital to rf modulator
11/09/2006	WO2006117269A1 Method for the coding of an ofdm/oqam signal using symbols with complex values, and corresponding signal, devices and computer programs
11/09/2006	WO2006117268A1 Method for the iterative decoding of an ofdm/oqam signal using symbols with complex values, and corresponding device and computer program
11/09/2006	WO2006117150A1 Transmitting device, receiving device and communication method for an ofdm communication system with new preamble structure
11/09/2006	WO2006117015A1 Signal space expansion for a 16 qam scheme
11/09/2006	WO2006117014A1 Data transmissions in a mobile communication system employing diversity and constellation rearrangement of a 16 qam scheme
11/09/2006	WO2006088326A3 Wireless multiple access system for suppressing inter-cell interference
11/09/2006	WO2006068349A3 Carrier allocation method in ofdm system and transmitting apparatus using the method
11/09/2006	WO2006044287A3 Ultra-wideband communication apparatus and methods
11/09/2006	WO2005062732A3 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
11/09/2006	US20060252386 Methods and apparatus for backwards compatible communication in a multiple input multiple output communication system with lower order receivers
11/09/2006	US20060251193 Methods and apparatus for backwards compatible communication in a multiple antenna communication system using time orthogonal symbols
11/09/2006	US20060251192 Method and system for redundancy-based decoding in 8-PSK GSM systems
11/09/2006	US20060251190 Frequency offset estimation for DPSK
11/09/2006	US20060251189 Method and system for I/Q imbalance and DC offset correction
11/09/2006	US20060251187 Power and Area Efficient Receiver Circuit Having Constant Hysteresis For Noise Rejection
11/09/2006	US20060251186 Wireless communication receiver having an adc with a limited dynamic range
11/09/2006	US20060251185 ARQ retransmission with reordering scheme employing multiple redundancy versions and receiver/transmitter therefor
11/09/2006	US20060251184 Parallel concatenated code with soft-in-soft-out interactive turbo decoder
11/09/2006	US20060251152 Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols
11/09/2006	US20060251148 System and method for transmitting ultrawide bandwidth signals
11/09/2006	US20060251123 Multicarrier communication with variable overhead rate
11/09/2006	US20060251117 Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication systems using same
11/09/2006	US20060250942 Digital modulation system using modified orthogonal codes to reduce autocorrelation
11/09/2006	US20060250936 Clipping distortion canceller for OFDM signals
11/09/2006	US20060250935 Radio communication system and radio communication method
11/09/2006	DE10219360B4 Leistungsnormierung in Wlan-Empfängern Power normalization in WLAN receivers
11/09/2006	DE102005020116A1 Radio frequency integrated circuit, for use in mobile radio transmitter, has input receiving analogue baseband signals and digital modulator producing analogue transmitted signals by utilizing determined data information
11/09/2006	DE102005019460A1 Discrete multitone modulation signals receiving method for digital subscriber line system, involves executing Fourier-transform in time-discrete modulation signals and inverse Fourier-transform in frequency-discrete correction signals
11/09/2006	DE102004014204B4 Phasenregelkreis und Verfahren zur Phasenkorrektur eines frequenzsteuerbaren Oszillators Phase-locked loop and method for phase correction of a frequency-controllable oscillator
11/09/2006	DE102004010365B4 Phasenregelskreis, Verfahren zur Frequenzumschaltung in einem Phasenregelkreis und Verwendung des Phasenregelkreises Phase-locked loop method for frequency switching in a phase-locked loop and the use of phase-locked loop
11/08/2006	EP1720311A1 Synchronisation of digital communication systems
11/08/2006	EP1720310A2 Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access
11/08/2006	EP1720309A1 Digital receiver
11/08/2006	EP1720308A1 Digital receiver
11/08/2006	EP1720307A1 Receiver for transmission system using direct sequence spread spectrum
11/08/2006	EP1720277A1 Pilot pattern design for a STTD scheme in an OFDM system
11/08/2006	EP1719365A2 Method and apparatus for performing a tfci reliability check in e-dch
11/08/2006	EP1719315A1 Channel adaptation using variable sounding signal rates
11/08/2006	EP1719314A1 Frame format for a mimo-ofdm system
11/08/2006	EP1719255A1 Data transmission method, communication system, base station and transceiver
11/08/2006	EP1719252A1 Frequency modulated ofdm over various communication media
11/08/2006	EP1258098A4 High speed downhole communications network having point to multi-point orthogonal frequency division multiplexing
11/08/2006	EP1057273B1 Transmission circuit for a radio frequency signal
11/08/2006	CN1860757A Method for regulating the transmission parameters of broadband transmission channels assembled to form a group
11/08/2006	CN1860756A Packet for a high-throughput wideband wireless local area network, comprising a wideband-header field identifying sub-fields in this header and presence of a wideband data field
11/08/2006	CN1860755A Method system and receiver for receiving multiple carrier transmission
11/08/2006	CN1860754A Transmitting apparatus and transmitting method
11/08/2006	CN1860753A 正交频分多路复用接收器 Orthogonal frequency division multiplexing receiver
11/08/2006	CN1860714A Adaptive signaling in multiple antenna systems
11/08/2006	CN1860708A Frequency combining apparatus and frequency combining method
11/08/2006	CN1860703A Apparatus and method for transmitting / receiving an uplink pilot signal in a communication system using an orthogonal frequency division multiple access scheme
11/08/2006	CN1860693A Frequency selective transmit signalweighting for multiple antenna communications systems
11/08/2006	CN1860690A Method and system for communication in a multiple access network
11/08/2006	CN1860679A Amplifier, information communication apparatus and amplification method
11/08/2006	CN1860677A Approximator apparatus, and associated method, for approximating an N-dimensional euclidean norm
11/08/2006	CN1860646A Method and system for performing digital beam forming at intermediate frequency on the radiation pattern of an array antenna
11/08/2006	CN1859633A Ofdma and ifdma radio communication
11/08/2006	CN1859346A Orthogonal frequency division mulplex system based on fractional order Fourier transformation
11/08/2006	CN1859345A Quick frequency catching method based on OFDM system
11/08/2006	CN1859344A Signal transmitting and receiving method and device
11/08/2006	CN1859343A Evaluating device, system and method for multiple input and multple output channels
11/08/2006	CN1859237A Method, system, device for detecting service quality, and charging and fault detecting system
11/08/2006	CN1859056A Method and device for optimizing pilot frequency in honey comb communication system
11/08/2006	CN1859031A Transmitting channel correcting method in multiple input multiple output system
11/08/2006	CN1284345C System and method for peak power reduction in spread spectrum communications systems
11/08/2006	CN1284344C Method and system for the dynamic modification of control parameters in a transmitter power control system

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