Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2007
11/14/2007CN100349393C Channel spreading device and method for CDMA communication system
11/13/2007US7295823 Combined discrete automatic gain control (AGC) and DC estimation
11/13/2007US7295819 Signal sample acquisition techniques
11/13/2007US7295784 Apparatus and method for performing electrically band-limited optical differential phase shift keying modulation
11/13/2007US7295645 System, method and apparatus to implement low power high performance transceivers with scalable analog to digital conversion resolution and dynamic range
11/13/2007US7295638 Communication device
11/13/2007US7295637 Method and apparatus for diversity combining and co-channel interference suppression
11/13/2007US7295634 Portable communication device and method therefor
11/13/2007US7295633 Triple multiplexing spread spectrum receiver
11/13/2007US7295632 Method and apparatus for decoding punctured subframes
11/13/2007US7295631 Stereo demultiplexer
11/13/2007US7295628 Stereo multiplex encoder (MPX) for FM transmission
11/13/2007US7295627 Digital broadcast transmission system of improved receptability and signal processing method thereof
11/13/2007US7295626 Orthogonal division multiple access technique incorporating single carrier and OFDM signals
11/13/2007US7295623 High-speed communications transceiver
11/13/2007US7295621 Communication start-up with variant spectral density mask
11/13/2007US7295620 Digital subscriber line communicating system
11/13/2007US7295619 Interface for data transmission
11/13/2007US7295606 Transmission method for transmitting data symbols to or from users of an ultra bandwidth telecommunication system
11/13/2007US7295571 xDSL function ASIC processor and method of operation
11/13/2007US7295517 Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system
11/13/2007US7295509 Signaling method in an OFDM multiple access system
11/13/2007CA2341873C Carrier reproducing circuit
11/08/2007WO2007127744A1 Reduced complexity beam-steered mimo ofdm system
11/08/2007WO2007127565A2 Method and apparatus for improving signal reception in a receiver
11/08/2007WO2007127369A2 Method and system for reducing radiated emissions from a communications channel
11/08/2007WO2007127313A2 Method and apparatus for performing blind signal separation in an ofdm mimo system
11/08/2007WO2007127251A2 Variable ofdm subchannel coding and modulation
11/08/2007WO2007126793A2 Random access structure for wireless networks
11/08/2007WO2007126675A2 High-definition multi-media interface
11/08/2007WO2007126573A2 Frequency limiting amplifier in a fsk receiver
11/08/2007WO2007126385A2 I/q imbalance compensation using scheduling
11/08/2007WO2007126326A1 Techniques to compress modulation patterns for adaptive bitloading
11/08/2007WO2007126182A1 Apparatus and method for broadcast superposition and cancellation in a multi-carrier wireless network
11/08/2007WO2007126073A1 Receiver, transmitter, transmission system, and transmission method
11/08/2007WO2007125798A1 Testing apparatus and testing method
11/08/2007WO2007125715A1 Method of transmitting ofdm signal and transmitter and receiver thereof
11/08/2007WO2007125255A1 Device and method for generating a pulsed output signal, in particular an ultra wide band signal, from a pulsed origin signal
11/08/2007WO2007125177A1 Subcarrier truncating data transmission scheme in ofdm system
11/08/2007WO2007125168A1 Signal detection in ofdm system
11/08/2007WO2007125167A1 Signal detection in multicarrier communication system
11/08/2007WO2007125093A1 Strengthened frequency hopping communication method and device
11/08/2007WO2007124761A1 Frequency domain channel estimation in a single carrier frequency division multiple access system
11/08/2007WO2007124626A1 Method and apparatus for transmitting/receiving the continuous pilot in multi-carrier system
11/08/2007WO2007087471A3 Receiver for different frequencies and modulations for a vehicle
11/08/2007WO2007074388A3 Estimating channel responses, frequency and timing offset using polynomial equations
11/08/2007WO2007074373A3 Dynamic modulation dependent on transmission power
11/08/2007WO2007045101A3 Multiplexing schemes for ofdma
11/08/2007US20070258593 System for generating pseudorandom sequences
11/08/2007US20070258548 Modulation dependent automatic gain control
11/08/2007US20070258545 Method for calculating equal error protection profiles
11/08/2007US20070258544 MIMO transmitter with pooled adaptive digital filtering
11/08/2007US20070258540 Method and apparatus for providing downlink acknowledgments and transmit indicators in an orthogonal frequency division multiplexing communication system
11/08/2007US20070258534 Method and Device for Synchronizing the Carrier Frequency of an Offset Quadrature Phase-Modulated Signal
11/08/2007US20070258532 Parallel bit interleaver for a wireless system
11/08/2007US20070258530 Apparatus and method for detecting signal in a broadband wireless access system
11/08/2007US20070258529 Method and system of orthogonalizing signal transmitted from BS applied to OFDM access
11/08/2007US20070258528 Apparatus for reducing clipping noise in a broadband wireless communication system and method thereof
11/08/2007US20070258527 Fast Dynamic Noise Detection/Adaptation System For DSL Modems
11/08/2007US20070258526 Apparatus and method for base band filtering
11/08/2007US20070258525 Method and apparatus to support scalability in a multicarrier network
11/08/2007US20070258524 Phase offset tracking method for tracking a phase offset and device thereof
11/08/2007US20070258507 Inter-pulse duty cycling
11/08/2007US20070258391 Interleaver, deinterleaver, communication device, and method for interleaving and deinterleaving
11/08/2007DE112005003218T5 Trainingssymbolformat für ein mit adaptiver Leistung geladenes Mimo Training symbol size for a loaded with adaptive power Mimo
11/08/2007DE102006026895B3 Convolution interleaver device for processing code word, has interlacing device changing sequence of interlacing units to receive interlaced code words, where interlacing device does not change sequence of symbols within interlacing units
11/08/2007DE102005008053B4 Kommunikation in einem OFDMA-System mit Aufteilung der Subbänder in Signalisierungs- und Nutzdatensubbänder Communication in an OFDMA system with division of the sub-bands in signaling and Nutzdatensubbänder
11/08/2007CA2650209A1 Method and apparatus for adaptively controlling signals
11/08/2007CA2649566A1 Reduced complexity beam-steered mimo ofdm system
11/08/2007CA2646967A1 Ofdma based on cognitive radio
11/08/2007CA2646622A1 Variable ofdm subchannel coding and modulation
11/07/2007EP1853018A2 Encoding and decoding for multicarrier signals.
11/07/2007EP1852997A1 Apparatus and method for broadcast superposition and cancellation in a multi-carrier wireless network
11/07/2007EP1851945A1 Method and device for evaluating attenuation of signals transmitted, at a predefined frequency, over a copper pair of a local loop
11/07/2007EP1851927A1 Iq-modulator pre-distortion
11/07/2007EP1851926A1 Method and apparatus for preamble training with shortened long training field in a multiple antenna communication system
11/07/2007EP1851925A1 Soda blasting apparatus
11/07/2007EP1851892A2 Communication system modulating/demodulating data using antenna patterns and associated methods
11/07/2007EP1851890A1 A wireless communications system
11/07/2007EP1851888A2 Intelligent demodulation systems and methods in an ofdma multicell network
11/07/2007EP1851884A1 Optical msk data format
11/07/2007EP1851868A1 A method and apparatus for estimating gain offsets for amplitude-modulated communication signals
11/07/2007EP1733524B1 Receiver for a multi-carrier signal
11/07/2007EP1692877A4 Method to inject hierarchical data into single carrier stream
11/07/2007EP1690342A4 Method to create hierarchical modulation in ofdm
11/07/2007EP1687929A4 Method and system for antenna interference cancellation
11/07/2007EP1389835B1 Downlink synchronisation method for a point-to-multipoint system with ofdm modulation
11/07/2007EP1274182B1 Radio base station and program recorded medium
11/07/2007EP1045581B1 Digital broadcast receiving system
11/07/2007CN200973110Y Radio transmit/receive unit and base station for implementing space frequency block code
11/07/2007CN200973101Y CDMA network modem
11/07/2007CN200973075Y Frequency synthesizer in OFDM system
11/07/2007CN101069399A Multiple antenna multicarrier communication system and method with reduced mobile-station processing
11/07/2007CN101069398A Multi-stream FFT for MIMO-OFDM system
11/07/2007CN101069377A Radio communication system, radio transmission apparatus and radio reception apparatus
11/07/2007CN101069342A Method and system for determining the amplitude and/or phase of the output signal of a transmission link as a function of the amplitude of the input signal
11/07/2007CN101068233A Method and device for reducing signal peak-to-average power ratio
11/07/2007CN101068232A Method and device for getting channel time domain response, OFDM fine symbol synchronizing method and device
11/07/2007CN101068231A Equalizer bank with interference reduction
11/07/2007CN101068138A Mixing automatic request retransmitting method using signal constellation rearrangement
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