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)
07/2007
07/03/2007US7239675 GFSK receiver
07/03/2007US7239674 Method of differential-phase/absolute-amplitude QAM
07/03/2007US7239673 Optical reception apparatus
07/03/2007US7239672 Channel estimator for WLAN
07/03/2007US7239670 Pre-emphasis of TMDS signalling in video applications
07/03/2007US7239669 Asynchronous system-on-a-chip interconnect
07/03/2007US7239668 Coded digital modulation method for communication system
07/03/2007US7239667 8 PSK rotationally invariant turbo trellis coded modulation without parallel transitions
07/03/2007US7239666 Communication system
07/03/2007US7239659 Method and apparatus for channel feedback
07/03/2007US7239650 Apparatus and method for receiving upstream data transmissions from multiple remote transmitters
07/03/2007US7239431 System and method for recovering primary channel operation in a facsimile receiver and facsimile machine incorporating the same
07/03/2007CA2429453C Apparatus and method for calculating soft decision value input to channel decoder in a data communication system
07/03/2007CA2291848C Demodulator and method for the demodulation of modulated rf signals
07/03/2007CA2265260C Digital broadcast receiver
07/03/2007CA2208475C Method for the dynamic reconfiguration of a time-interleaved signal, with corresponding receiver and signal
06/2007
06/28/2007WO2007073116A1 Method for demodulating broadcast channel by using synchronization channel at ofdm system with transmit diversity and transmitting/receiving device therefor
06/28/2007WO2007073093A2 Method of generating code sequence and method of transmitting signal using the same
06/28/2007WO2007073077A1 A new interleaver design with column skip for ieee 802.11n standard
06/28/2007WO2007073076A1 An improved interleaver for ieee 802.11n standard
06/28/2007WO2007071819A1 Radio channel allocation and link adaptation in cellular telecommunication system
06/28/2007WO2007071705A1 Method for receiving a multicarrier signal, transmission method, receiver and transmitter therefor
06/28/2007WO2007071013A1 Compact floating point delta encoding for complex data
06/28/2007WO2007053403A3 Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system
06/28/2007WO2007050851A3 A method and apparatus for transmission of f-pbch0 packets in a wireless communication systems
06/28/2007WO2007021906A3 Advanced signal processors for interference cancellation in baseband receivers
06/28/2007WO2007019555A3 Code division multiplexing in a single-carrier frequency division multiple access system
06/28/2007WO2007001695A3 Composite crest factor reduction
06/28/2007WO2006133359A3 Apparatus, systems and methods for providing time diversity for mobile broadcast services
06/28/2007WO2006119159A3 Transmission of signalling information in an ofdm communication system
06/28/2007WO2005089359A3 Dmt system with variable subchannel spacing in tcm isdn noise
06/28/2007US20070147567 Star receiver burst processing
06/28/2007US20070147557 Gain control method and device for a bursty data frame reception system
06/28/2007US20070147556 Variable bandwidth automatic gain control
06/28/2007US20070147555 Method and apparatus for adjusting receiver gain based on received signal envelope detection
06/28/2007US20070147554 Receiver and transmitter/receiver
06/28/2007US20070147553 Automatically setting an operative state of a wideband amplifier
06/28/2007US20070147552 Method and apparatus for detecting transmission of a packet in a wireless communication system
06/28/2007US20070147547 Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers
06/28/2007US20070147546 Digital radio apparatus
06/28/2007US20070147545 Receiving method and receiver
06/28/2007US20070147544 FSK signal modulator for producing a binary FSK signal
06/28/2007US20070147543 Extension of space-time block code for transmission with more than two transmit antennas
06/28/2007US20070147542 Method and apparatus for encoding a data stream for transmission across bonded channels
06/28/2007US20070147541 Transmitter apparatus and wireless communication apparatus
06/28/2007US20070147540 Systems and methods for implementing receiver transparent q-mode
06/28/2007US20070147539 Hierarchical coding for multicast messages
06/28/2007US20070147531 Constellation rearrangement for ARQ transmit diversity schemes
06/28/2007US20070147485 Communication device and communication method
06/28/2007US20070147482 Arrival direction estimation apparatus
06/28/2007US20070147336 Preamble configuring method in the wireless lam system, and a method for a frame synchronization
06/28/2007US20070147229 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system
06/28/2007DE112005001851T5 Kanalschätzung für ein drahtloses Kommunikationssystem Channel estimation for a wireless communication system
06/28/2007DE102006029464A1 Data symbol-sequences detecting method for mobile radio network, involves utilizing channel calculating hypothesis of transmission line for each condition selected in actual time point in phase diagram
06/28/2007DE102005060080A1 Hybrid polar transmitter device for e.g. radio transmission system, has mixer mixing high frequency signals with amplitude signal, and power amplifier amplifying high frequency signals and modulating amplification based on amplitude signal
06/27/2007EP1802067A2 Method for transmitting data to be transmitted using a subscriber modem
06/27/2007EP1802066A2 OFDM Radio communication system and apparatus
06/27/2007EP1802065A1 Apparatus and method for crest factor reduction in a communication system
06/27/2007EP1802064A1 OFDM coding using Hermite polynomials
06/27/2007EP1802063A1 Method and device for notching the transmission band of an analog signal, in particular an MB-OFDM signal
06/27/2007EP1802062A1 Decision feedback equalization with composite trellis slicer
06/27/2007EP1802016A2 A subscriber unit and method for use in a wireless communication system
06/27/2007EP1801992A1 Method for hopping frequency of orthogonal-frequency-division-multiplexing symbol
06/27/2007EP1801985A2 Method of removing DC offset for a ZIF-based GSM radio receiver with digital frequency offset correction
06/27/2007EP1801963A2 Detecting and correcting I/Q crosstalk in complex quadrature-modulated signals
06/27/2007EP1800448A1 Differential phase coding in wireless communications system
06/27/2007EP1800447A1 Bit-loading in multi-carrier communications in presence of radio-frequency inteferers
06/27/2007EP1800446A1 Semiconductor device
06/27/2007EP1800429A2 Tone ordering in discrete multitone (dmt) modems
06/27/2007EP1800427A1 Dmt symbol repetition in the presence of impulse noise
06/27/2007EP1800418A2 Buffered waveforms for high speed digital to analog conversion
06/27/2007EP1800414A2 Coordinated numerical control of sideband energy and modulation compression method for the radio frequency transmission of high speed data
06/27/2007EP1451992B1 Cancellation of interference in mutlicarrier receivers
06/27/2007EP1386458B1 A hybrid frequency-time domain equalizer
06/27/2007EP1039707B1 Digital radio receiver
06/27/2007EP0994612B1 Circuit for detecting the pase of received signal
06/27/2007CN2917103Y Automatic frequency control system in receiver
06/27/2007CN1989752A A transmitter and method for operating same
06/27/2007CN1989751A System and method for improved carrier recovery
06/27/2007CN1989750A Fourier-transform based linear equalization for mimo CDMA downlink
06/27/2007CN1989749A Radio transmitting device and radio receiving device
06/27/2007CN1989724A Device and method for preamble detection and frame synchronization in data packet transmission
06/27/2007CN1989708A A transmit system employing an antenna and balanced amplifier architecture which provides power amplifier load balancing independent of single or dual signal operation of the transmitter
06/27/2007CN1989701A Ratiometric clock systems for integrated receivers and associated methods
06/27/2007CN1988526A Synchronizing method for multiple input multiple output orthogonal frequency division multiplex radio system
06/27/2007CN1988525A Synchronizing method for orthogonal frequency division multiplex system
06/27/2007CN1988524A Method for reducing transmission signal peak average ratio of multiple carrier TD-SCDMA down link
06/27/2007CN1988523A Demodulating method and its circuit for amplitude modulation signal
06/27/2007CN1988522A Multiple path multiple carrier digital pre-distortion sender of wideband CDMA base station system
06/27/2007CN1988520A Channel evaluation method for orthogonal frequency division multiplex system
06/27/2007CN1988454A Method and device for reporting channel quality indication
06/27/2007CN1988435A Digital bit synchronizing method
06/27/2007CN1988425A Down sending method and its device for broadcast multicast service data
06/27/2007CN1988402A Method for realizing power line carrier communication system
06/27/2007CN1988394A Method and device for control burst noise
06/26/2007US7237174 Method and system for providing short block length low density parity check (LDPC) codes in support of broadband satellite applications
06/26/2007US7236796 Method and apparatus for reducing pilot search times utilizing mobile station location information
06/26/2007US7236762 Direct-conversion receiver system and method, especially a GPS receiver system with high pass filtering
06/26/2007US7236757 High-speed multi-channel communications transceiver with inter-channel interference filter
06/26/2007US7236753 Direct outphasing modulator
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