H04L 27 - Modulated-carrier systems

Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2006
11/30/2006	US20060268994 Digital broadcasting reception terminal and method for processing digital broadcasting data using the same
11/30/2006	US20060268674 OFDM transmission/reception apparatus
11/30/2006	US20060268671 Efficient channel tracking in packet based OFDM systems
11/30/2006	DE19835418B4 Nachrichtenübermittlungsvorrichtung für digitale Nachrichtenübermittlung Messaging device for digital communications
11/30/2006	DE19746507B4 Verfahren zur Zuordnung eines Empfangssignals zu einer von mehreren Klassen von Modulationsarten Method for assigning a received signal to one of several classes of modulation types
11/30/2006	CA2609129A1 Reciprocating pulser for mud pulse telemetry
11/29/2006	EP1727325A2 A cyclic training sequence generating method, communicating system and communication method
11/29/2006	EP1727301A1 Optical transmission system, optical transmission device and optical reception device of optical transmission system
11/29/2006	EP1726138A1 Method and system for transmitting data using a safety channel in a broadband wireless access system
11/29/2006	EP1726111A1 Pilot design for ofdm systems with four transmit antennas
11/29/2006	EP1510056B1 Segment-wise channel equalization based data estimation
11/29/2006	EP1329043B1 An improved threshold extension block phase estimator for quasi-coherent communications systems
11/29/2006	EP1258120B1 Method and apparatus for implementing the training phase of adaptive decision feedback equalization
11/29/2006	EP1243094A4 Estimation of two propagation channels in ofdm
11/29/2006	CN1871828A System and method for reducing peak-to-average power ratio for multi-carrier communication systems
11/29/2006	CN1871826A Wireless data transmission method, and corresponding signal, system, transmitter and receiver
11/29/2006	CN1871807A Multiple antenna systems and methods using high-throughput space-frequency block codes
11/29/2006	CN1871785A Communication device
11/29/2006	CN1871765A Method for modulation detection
11/29/2006	CN1870684A Communication system for implementing real-time monitoring warning and its method
11/29/2006	CN1870616A Multi-carrier signal clipping device and method
11/29/2006	CN1870615A Modulation-demodulation method for sine wave frequency combination code and its device
11/29/2006	CN1870598A Loading balance method based on data flow in large scale paralle processing of mass data
11/29/2006	CN1870585A Method for implementing communication of IPv6 mobile node and IPv4 communication buddy
11/29/2006	CN1870489A Method and apparatus for the formatting of data for transmission
11/29/2006	CN1870483A OFDM transmitter inserting pseudo noise sequence into OFDM symbols after controlling pseudo noise queue
11/29/2006	CN1870482A OFDM transmitter inserting pseudo noise sequence into OFDM symbols after controlling pseudo noise queue
11/29/2006	CN1870477A Digital broadcasting reception terminal and method for processing digital broadcasting data using the same
11/29/2006	CN1870467A Network synchronous method
11/29/2006	CN1870456A Real-time service resource distribution method of orthogonal frequency division multisystem
11/29/2006	CN1287630C Cellular communication device with scanning receiver and continuous mobile communication system employing same
11/29/2006	CN1287544C Device for using OFDM diversity reception, OFDM receiving circuit and OFDM reception method
11/29/2006	CN1287543C Transmission apparatus, transmission control method, reception apparatus, and reception control method
11/29/2006	CN1287542C Combined equalization and decoding method
11/29/2006	CN1287539C Telecommunication system with transmission and multiuser diversity
11/29/2006	CN1287532C Transmission and receiving method and system using for discreting multitone transmission scheme based on code
11/29/2006	CN1287382C Signal processing device
11/28/2006	US7142619 Long subscriber loops using automatic gain control mid-span extender unit
11/28/2006	US7142618 Receiver having decisional feedback equalizer with remodulation and related methods
11/28/2006	US7142617 Narrow band chaotic frequency shift keying
11/28/2006	US7142616 Front end processor for data receiver and nonlinear distortion equalization method
11/28/2006	US7142614 Signal generating circuit for generating a reference phase signal and a quadrature signal
11/28/2006	US7142613 Methods, systems and devices for generating pulse shapes
11/28/2006	US7142611 M-Ary phase shift keying (PSK) bit-boundary turbo coded system
11/28/2006	US7142610 M-Ary quadrature amplitude modulation (QAM) bit-boundary turbo coded system
11/28/2006	US7142608 Method for the transmission of digital data by means of radio signals with orthogonal frequency division multiplexing (OFDM)
11/28/2006	US7142607 Efficient subband channelizer and subband combiner with oversampled subbands
11/28/2006	US7142606 Method and apparatus for shared processing a plurality of signals
11/28/2006	US7142605 Method to transfer data without a clock or strobe signal
11/28/2006	US7142553 Off-line broadband network interface
11/28/2006	US7142535 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
11/28/2006	US7142502 Technique for continuous OFDM demodulation
11/28/2006	US7142382 Phase adjustment circuit and demodulation circuit
11/28/2006	US7141961 Method and device for generating clock signal
11/28/2006	CA2522831C Slope, drift and offset compensation in zero-if receivers
11/23/2006	WO2006124060A2 Sample rate conversion module and applications thereof
11/23/2006	WO2006123808A1 Multicarrier communication apparatus, integrated circuit, and multicarrier communication method
11/23/2006	WO2006122501A1 Method and device for shaping the service flow transmitted in network
11/23/2006	WO2006122487A1 A method for changing qos in i-wlan and the system thereof
11/23/2006	WO2006065434A3 Channel estimator with extended channel bandwidth
11/23/2006	WO2006060651A3 Method and/or system for reduction of papr
11/23/2006	WO2005046156A3 Transparent multi-mode pam interface
11/23/2006	US20060264174 On-channel repeaters
11/23/2006	US20060262884 Apparatus and method for GPS-based digital compensation of radio frequencies
11/23/2006	US20060262883 Method and apparatus for estimating Doppler speed in wireless communication
11/23/2006	US20060262882 Serial radio frequency to baseband interface with programmable clock
11/23/2006	US20060262877 Multi-stage code generator and decoder for communication systems
11/23/2006	US20060262876 Wave matrix mechanics method & apparatus
11/23/2006	US20060262873 Arrangements and methods for a digital communication system
11/23/2006	US20060262871 Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access
11/23/2006	US20060262867 Data communications system and data communications method
11/23/2006	US20060262866 Satellite communications systems and methods employing single and multiple sinewave modulation and demodulation techniques
11/23/2006	US20060262714 Method of reducing papr in multiple antenna ofdm communication system and multiple antenna ofdm communication system using the method
11/23/2006	US20060262651 Robust mode staggercasting reduced resolution video for mobile receiver
11/23/2006	US20060261883 FSK demodulator
11/23/2006	DE10045981B4 Nachbarimpulsvariante Signalvorverzerrung Neighboring pulse signal pre-variant
11/22/2006	EP1725010A2 Imaging system and system control method
11/22/2006	EP1724980A2 OFDM receiving method and receiving apparatus
11/22/2006	EP1724958A2 Receiver for M-ary-QAM MIMO communication system
11/22/2006	EP1724957A1 Data transmission method and data reception method
11/22/2006	EP1724956A1 Radio system and radio communication device
11/22/2006	EP1724948A1 Base station apparatus, mobile station apparatus, and data channel scheduling method
11/22/2006	EP1724946A1 Improvements relating to on-channel repeaters
11/22/2006	EP1724941A1 Radio system, radio transmitter, and radio receiver
11/22/2006	EP1723760A2 Subband-based demodulation using reduced fourier transform for an ofdm-based communication system
11/22/2006	EP1723759A1 Peak reduction in ofdm using clipping and modified constellations
11/22/2006	EP1723758A1 Cross-encoding of information in independent channels
11/22/2006	EP1586183B1 Oscillator device for frequency modulation
11/22/2006	EP1163770A4 Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (dbpsk)
11/22/2006	CN1868186A Modulating apparatus and modulating method
11/22/2006	CN1868175A Method and system for asymmetric dual-mode radio communications
11/22/2006	CN1868156A Transmitter apparatus, communication system, and communication method
11/22/2006	CN1868152A Method and apparatus for transmission and reception within an OFDM communication system
11/22/2006	CN1868139A Method for geometrical harmonic modulation
11/22/2006	CN1866946A Method and apparatus for anti-interference between codes in OFDM system
11/22/2006	CN1866945A RLS channel estimating method based on variable forgetting factor in OFDM system
11/22/2006	CN1866944A Peak-to-average power ratio optimizing process and apparatus
11/22/2006	CN1866943A Method for transmitting real-time information between indoor unit and outdoor unit
11/22/2006	CN1866942A Demodulation method and demodulation circuit
11/22/2006	CN1866941A Modulation/demodulation process and apparatus for transmitting data with PSTN channel using GSM voice channel

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