Patents for H04L 27 - Modulated-carrier systems (89,721)
09/2006
09/20/2006CN1276632C Device and method for adjusting input gain for multiple signal formats in a data network
09/20/2006CN1276605C Communication device having proximity controlled transmission
09/20/2006CN1276594C System and method for increasing feeder link capacity in satellite communications system
09/19/2006US7111219 Data transmission apparatus using a constellation rearrangement
09/19/2006US7111030 Method of detecting pilot tones in a noisy signal
09/19/2006US7110740 Mixer circuit, receiver circuit, and frequency comparison circuit
09/19/2006US7110727 Methods for determining the gains of different carriers, radio transmission units and modules for such units
09/19/2006US7110672 Optical transmission system for frequency-multiplexed signal
09/19/2006US7110531 Isolation system with analog communication across an isolation barrier
09/19/2006US7110478 Phase difference based frequency correction channel detector for wireless communication system
09/19/2006US7110477 Gaussian frequency shift keying digital demodulator
09/19/2006US7110476 Demodulation and modulation circuit and demodulation and modulation method
09/19/2006US7110475 Digital TV receiver
09/19/2006US7110474 Method for determining a boundary of an information element, a system, and an electronic device
09/19/2006US7110473 Mode controller for signal acquisition and tracking in an ultra wideband communication system
09/19/2006US7110472 Transmission method, transmitter and receiver
09/19/2006US7110471 Radio communication control device which can accurately determine the start point of the standby period timer
09/19/2006US7110470 ARQ retransmission with reordering scheme employing multiple redundancy versions and receiver/transmitter therefor
09/19/2006US7110469 Self-calibrating direct conversion transmitter
09/19/2006US7110468 Transmission apparatus, transmission method, communication system, and method of same
09/19/2006US7110467 Performance evaluation of a G.dmt-compliant digital subscriber line system
09/19/2006US7110466 Variable rate message coding
09/19/2006US7110465 Noise canceling method and apparatus
09/19/2006US7110464 Method and system for utilizing space-time codes for block fading channels
09/19/2006US7110461 Technique to enlarge data eyes in wireline communication systems
09/19/2006US7110449 Decision feedback equalizer
09/19/2006US7110448 ZF-based adaptive asynchronous receiver
09/19/2006US7110445 Oversampled clip-shaping
09/19/2006US7110443 Receiver and base station for producing phase-corrected channel signals
09/19/2006US7110433 Spread spectrum, cross-correlated and filtered modulated systems
09/19/2006US7110387 System and method for compensating timing error using pilot symbol in OFDM/CDMA communication system
09/19/2006US7110352 Direct-sequence CDMA method and device
09/19/2006US7110351 Enhanced ARQ with OFDM modulation symbols
09/19/2006US7110350 Wireless LAN compatible multi-input multi-output system
09/19/2006US7109787 High-efficiency circuit for demodulating carriers in quadrature
09/19/2006CA2319472C A decoder having a gain controller in a mobile communication system
09/16/2006CA2539884A1 System and method for power line communications
09/14/2006WO2006096886A1 Methods for receiving and transmitting signals in a multicarrier system
09/14/2006WO2006096870A1 Methods and apparatus for antenna control in a wireless terminal
09/14/2006WO2006096784A1 Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
09/14/2006WO2006096779A1 Symbol stream virtual radio organism method & apparatus
09/14/2006WO2006096760A1 Ultra-narrowband rf system
09/14/2006WO2006096680A1 Transmission method and apparatus combining pulse position modulation and hierarchical modulation
09/14/2006WO2006096678A1 Transmission methods and apparatus combining pulse modulation and hierarchical modulation
09/14/2006WO2006096605A2 An operational state transition and event logging system for an rf transmitter
09/14/2006WO2006095061A1 Method for the flexible demodulation of estimated complex symbols
09/14/2006WO2006095051A1 Measurement circuit and method for measuring the level of an rf signal, and a transmitter including a measurement circuit
09/14/2006WO2006094860A1 Method for the iterative reception of a multicarrier signal with interference cancellation, and corresponding receiver and computer program
09/14/2006WO2006094832A1 Semi-digital duplexing
09/14/2006WO2006073567A3 Receiver with chopper stabilization and method thereof
09/14/2006WO2005060412A3 Control algorithm in qam modems
09/14/2006WO2005055437A3 Method for allocating and accessing radio resources in ofdma system
09/14/2006US20060205372 Agc circuit arrangement for a tuner
09/14/2006US20060203944 Apparatus to detect a sync signal, a VSB receiver using the same, and a method thereof
09/14/2006US20060203942 Method and article of estimating of phase and gain mismatch and corresponding method and device for receiving a digital base band signal
09/14/2006US20060203941 Method and apparatus to establish for imperfect channel state information at a receiver
09/14/2006US20060203940 Asynchronous ZCD demodulator/decoder
09/14/2006US20060203936 Pulse detection in wireless communications system
09/14/2006US20060203934 Apparatus and method for transmission/reception
09/14/2006US20060203933 Data processing method, network element, transmitter, component and computer program product
09/14/2006US20060203932 Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
09/14/2006US20060203931 M-ary modulation of signals for coherent and differentially coherent receivers
09/14/2006US20060203930 Operational state transition and event logging system for an RF transmitter
09/14/2006US20060203929 Apparatus and method of detecting a sync signal and a VSB receiver using the same
09/14/2006US20060203923 Method and communications system device for the code-modulated transmission of information
09/14/2006US20060203921 Innovative combinational closed-loop and open-loop satellite user terminal power control system
09/14/2006US20060203897 Power-line carrier communication apparatus
09/14/2006US20060203843 xDSL function ASIC processor & method of operation
09/14/2006US20060203707 Frequency hopping method in orthogonal frequency division multiplexing system
09/14/2006US20060203127 VSB reception system with enhanced signal detection for processing supplemental data
09/14/2006US20060202893 Communications device with adaptive decoding and associated methods
09/14/2006DE112004001902T5 Multimodem-Empfänger zur Frequenzfehlerverringerung Multi modem receiver for frequency error reduction
09/14/2006DE102006007716A1 GMSK-Modulator und -Verfahren, Vorrichtung und Verfahren zum Erzeugen von Wellenformdaten, digitale drahtlose Kommunikationsvorrichtung und entsprechendes Kommunikationsverfahren GMSK modulator, and methods, apparatus and method for generating waveform data, digital wireless communication apparatus and communication method corresponding
09/14/2006CA2600473A1 Symbol stream virtual radio organism method & apparatus
09/14/2006CA2600152A1 Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
09/13/2006EP1701559A2 Communication method and system that can perform wired communication with a simple configuration of the devices by minimizing the number of lines for connecting the device
09/13/2006EP1701464A1 Apparatus and method for mapping space-time coded data to subcarriers in a broadband wireless communication system
09/13/2006EP1701463A1 Apparatus and method for transmitting or receiving data
09/13/2006EP1700442A1 Polar modulation using amplitude modulated quadrature signals
09/13/2006EP1700441A2 Quasi-parallel multichannel receivers for wideband orthogonal frequency division multiplexed communications and associated methods
09/13/2006EP1700440A1 Method and apparatus to exchange channel information
09/13/2006EP1700439A1 Universal derotator for umts modes
09/13/2006EP1700437A1 Multi-antenna system to simultaneous support of miso and mimo receivers
09/13/2006EP1700423A2 Dsl system estimation and parameter recommendation
09/13/2006EP1700415A1 System and method for channelization recognition in a wideband communication system
09/13/2006EP1700413A1 An apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel
09/13/2006EP1700410A1 Adaptive fec codeword management
09/13/2006EP1700401A1 Multicarrier receiver with antenna selection and maximum ratio combinining
09/13/2006EP1700399A1 Interference-weighted communication signal processing systems and methods
09/13/2006EP1525701B1 Method, transmitter and system for transmitting a stream of data symbols in a multiple-input/multiple-output wireless communications system including m pairs of transmitting antennas
09/13/2006EP1472844B1 Clock control and sampling rate conversion in the transmitter of a digital transceiver
09/13/2006EP1466421B1 Rake receiver with individual finger compensator(s)
09/13/2006EP1303919B1 System and apparatus for a direct conversion receiver and transmitter
09/13/2006EP1264434B1 Method and circuit arrangement for the secure transmission in digital transmission systems
09/13/2006EP1199814B1 Radio device with distortion compensation
09/13/2006EP0993724B1 Method and apparatus for data transmission within a broad-band communication system
09/13/2006CN1833421A Multi-carrier communication apparatus with adaptive transmission according to transmission path fluctuations
09/13/2006CN1833420A Technique to select transmission parameters
09/13/2006CN1833417A System, method and computer program product for demodulating quadrature amplitude modulated signals based upon a speed of a receiver
09/13/2006CN1833416A System, method and computer program product for demodulating quadrature amplitude modulated signals