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)
03/2005
03/09/2005CN1592148A Resynchronous method for mobile wireless receiver in converting situation between two different modulating method
03/09/2005CN1592125A Spread spectrum communication system receiving device
03/09/2005CN1592124A Spread spectrum communication mode receiving device
03/09/2005CN1592122A Signal processing circuit for tuner
03/09/2005CN1592106A Adapting device capable of converting picture element clock pulse into character clock pulse
03/09/2005CN1591513A Method and device for connecting sensors or actuators to a bus system
03/09/2005CN1192509C CDMA modulation method and device thereof
03/09/2005CN1192507C Reduction of peak-to-average power ratio in mobile telecommunications system
03/09/2005CN1192495C Radio terminal device
03/09/2005CN1192494C Multi-carrier radio system and radio transceiver implementation
03/09/2005CN1192493C Local oscillation signal supply method and circuit therefor
03/09/2005CN1192492C Method and device for detecting weak signal of known frequency
03/09/2005CN1192483C Circuit arrangement and method for offset compensation of signal
03/08/2005US6865380 Method, apparatus and system for frequency stabilization using cellular signal bursts
03/08/2005US6865378 Radio reception apparatus and high speed equalization processing method therefor
03/08/2005US6865237 Method and system for digital signal transmission
03/08/2005US6865236 Apparatus, and associated method, for coding and decoding multi-dimensional biorthogonal codes
03/08/2005US6865235 Multi-protocol modulator
03/08/2005US6865232 Multi-carrier transmission systems
03/08/2005US6865190 Framing techniques for ADSL systems
03/08/2005US6864745 Distortion compensation device
03/05/2005CA2475895A1 Process for providing a pilot aided phase recovery of a carrier
03/04/2005CA2685463A1 Method and system for providing short block length low density parity check (ldpc) codes in support of broadband satellite applications
03/03/2005WO2005020616A1 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station mobile terminal and mobile radio network
03/03/2005WO2005020600A2 Measuring distance using wireless communication
03/03/2005WO2005020530A1 Methods and apparatus for hierarchical modulation using radial constellation
03/03/2005WO2005020529A1 Backward compatible multi-carrier transmission system
03/03/2005WO2005020490A1 Methods and apparatus of power control in wireless communication systems
03/03/2005WO2005020489A1 Radio communication apparatus and subcarrier assignment method
03/03/2005WO2005020488A1 Radio communication apparatus and subcarrier assignment method
03/03/2005WO2005004367A3 Communication apparatus and communication method
03/03/2005WO2004112300A3 Systems and methods for a wireless network connection point locator
03/03/2005WO2004095757A3 Rate adaptive data broadcast technique
03/03/2005WO2004042981A3 Method and apparatus for reducing a peak-to-average power ratio in an orthogonal frequency division multiplex signal
03/03/2005US20050050202 Methods, systems and computer program products for application instance level workload distribution affinities
03/03/2005US20050050130 Ranging in multi-band OFDM communications systems
03/03/2005US20050048931 FSK modulator using IQ up-mixers and sinewave coded DACs
03/03/2005US20050047536 Method and apparatus for I/Q mismatch calibration in a receiver
03/03/2005US20050047535 Frequency domain notching with dummy subchannels
03/03/2005US20050047534 Method and system for adaptable receiver parameters
03/03/2005US20050047533 Receiver with automatic gain control that operates with multiple protocols and method thereof
03/03/2005US20050047532 Apparatus, methods and articles of manufacture for dynamic differential delay correction
03/03/2005US20050047531 Method and apparatus for noise threshold calculation in wireless communication
03/03/2005US20050047526 Synchronous detection method and device
03/03/2005US20050047523 [non-coherent frequency shift keying transmitter using a digital interpolation synthesizer]
03/03/2005US20050047522 Method and apparatus for rearranging codeword sequence in a communication system
03/03/2005US20050047520 Apparatus, methods and articles of manufacture for signal correction using adaptive phase re-alignment
03/03/2005US20050047519 Digital broadcast transmission system of improved receptability and signal processing method thereof
03/03/2005US20050047518 Apparatus and method for estimating a channel
03/03/2005US20050047517 Adaptive modulation for multi-antenna transmissions with partial channel knowledge
03/03/2005US20050047515 Frequency-independent spatial processing for wideband MISO and MIMO systems
03/03/2005US20050047514 Method and device for transmitting data in a multi-carrier systemcomprising parallel concatenated coding and modulation
03/03/2005US20050047513 Method and system for transmission of information data over a communication line
03/03/2005US20050047511 Data receiver and data transmission system
03/03/2005US20050047500 Precision adaptive equalizer
03/03/2005US20050047487 Spread spectrum communication system receiving device
03/03/2005US20050047486 Spread spectrum communication system receiving device
03/03/2005US20050047480 Ultra wideband transmitter
03/03/2005US20050047444 TFI-OFDM transmission/reception systems for UWB communication and methods thereof for mitigating interference from simultaneously operating piconets
03/03/2005US20050047325 Combined inverse fast fourier transform and guard interval processing for efficient implementation of OFDM based systems
03/03/2005US20050047323 Low complexity multi-channel modulation method and apparatus
03/03/2005US20050047322 Communication system and method for channel estimation and beamforming using a multi-element array antenna
03/03/2005US20050047259 Sub-carrier allocation method for reducing inter-cell interference in OFDM cellular environment
03/03/2005US20050046600 Robust system for transmitting and receiving map data
03/03/2005US20050046456 Adaptive lock position circuit
03/03/2005DE29825128U1 Telekommunikationssystem zur Bereitstellung von Schmalband- und Breitbanddiensten für Teilnehmer Telecommunications system for providing narrowband and broadband services to subscribers
03/03/2005DE10336092A1 Verfahren und Vorrichtung zum Schätzen der Frequenz und/oder der Phase einer digitalen Signalfolge Method and apparatus for estimating the frequency and / or the phase of a digital signal sequence
03/03/2005DE10335044A1 Demodulationsanordnung für ein Funksignal Demodulating a radio signal
03/03/2005DE10334842A1 Gewichtungsschaltung für einen Mehrträger-Signalempfänger Weighting circuit for a multi-carrier signal receiver
03/03/2005DE10324862A1 Verfahren zur Verschlüsselung digitalisierter Information Method for encrypting digitized information
03/03/2005CA2535555A1 Methods and apparatus of power control in wireless communication systems
03/02/2005EP1511264A1 Adaptive imbalance correction based on amplitude distribution
03/02/2005EP1511263A2 Method and apparatus for multi-level quadrature amplitude modulation
03/02/2005EP1511262A2 Digital subscriber line communicating system
03/02/2005EP1511261A2 Digital subscriber line communicating system
03/02/2005EP1511260A2 Digital subscriber line communicating system
03/02/2005EP1511259A2 Digital subscriber line communicating system
03/02/2005EP1511258A2 Digital subscriber line communicating system
03/02/2005EP1511257A2 Digital subscriber line communicating system
03/02/2005EP1511256A2 Digital subscriber line communicating system
03/02/2005EP1511255A2 Broadcast satellite digital broadcasting receiver
03/02/2005EP1511254A2 Compensation of mismatch between quadrature paths
03/02/2005EP1511210A1 OFDM channel estimation and tracking for multiple transmit antennas
03/02/2005EP1511189A1 Communication method, transmitter apparatus and receiver apparatus
03/02/2005EP1511186A1 A method and system for frequency offset estimation
03/02/2005EP1511182A1 Table reference predistortor
03/02/2005EP1511181A1 Distortion compenasator
03/02/2005EP1511180A1 Distortion compensator
03/02/2005EP1511179A1 Adaptive controller
03/02/2005EP1510056A1 Segment-wise channel equalization based data estimation
03/02/2005EP1510055A1 Phase error correction using despread signals
03/02/2005EP1374517B1 Corrector for non-monotonic characteristics of a satellite transmission channel
03/02/2005EP1293073B1 Demodulator for cpfsk-modulated signals by use of a linear approximation to the cpfsk signal
03/02/2005EP0950301B1 Transmitter method and transmission system using adaptive coding based on channel characteristics
03/02/2005EP0842566B1 A receiver, a demodulator, and a demodulation method
03/02/2005CN1589557A Method and system for frequency offset estimation in digital carrier-modulated communication systems
03/02/2005CN1589556A Digital implementation of multi-channel demodulators
03/02/2005CN1589526A Method and apparatus to generate on-off keying signals suitable for communications
03/02/2005CN1588939A Blind detection self adaption receiver based on star QAM and self adaption blind detection method
03/02/2005CN1588938A OFDM communication system and method for reducing peak uniform power tatio
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