| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 10/18/2007 | US20070242632 Receiver for receiving a spectrum dispersion signal |
| 10/18/2007 | US20070242597 Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 10/18/2007 | US20070241835 Active 90-degree phase shifter with LC-type emitter degeneration and quadrature modulator IC using the same |
| 10/18/2007 | DE19753084B4 Vorrichtung zum Korrigieren des Frequenz-Offsets in einem OFDM-Empfangssystem An apparatus for correcting the frequency offset in an OFDM receiving system |
| 10/18/2007 | DE112005002343T5 Mehrantennen-Multicarrier-Kommunikationssystem und Verfahren mit reduzierter Verarbeitung durch eine mobile Station Multi-antenna-multi-carrier communication system and method with reduced processing by a mobile station |
| 10/18/2007 | DE102007000196A1 Demodulationsverfahren und -vorrichtung Demodulation method and apparatus |
| 10/18/2007 | DE102006017962A1 Digitales Übertragungsverfahren Digital transmission method |
| 10/18/2007 | DE102006017868A1 Verfahren und Schaltung zur Trägerregelung in einem Quadraturdemodulator Method and circuit for carrier control in a quadrature |
| 10/18/2007 | DE102006017636A1 Transmitter signal`s spectral side lobe suppressing method for e.g. multi-carrier transmission system, involves obtaining algorithm specified in vector and matrix notation for determining weighting factors of cancellation subcarriers |
| 10/18/2007 | DE102006017520A1 Modulator input signal producing method for magnetic resonance imaging device, involves adding dither signals to control signal, and producing dither signals based on periodic output of units of discrete dither series of basic form |
| 10/18/2007 | DE102006017515B3 Predistorter for use with power amplifier for pre-distorting input signal, has transmission units provided to reproduce nonlinear transmission characteristic of follower by using linear approximation |
| 10/18/2007 | DE102006017296A1 Training sequence production method for use in e.g. code division multiplex system, involves providing quantity of training sequences with members having pre-determined autocorrelation characteristics |
| 10/18/2007 | CA2648005A1 Method for allocating reference signals in mimo system |
| 10/17/2007 | EP1845680A1 Method and device for transmitting combinations of instructions using coded FSK |
| 10/17/2007 | EP1845679A2 Multicarrier transmission method, multicarrier modulation signal transmission apparatus, multicarrier modulation signal reception apparatus, multicarrier modulation signal transmission method and pilot signal generation method |
| 10/17/2007 | EP1845678A1 Method for obtaining information representative of the channel quality indication on at least one frequency subband |
| 10/17/2007 | EP1845677A2 Low complexity FFT processing in an OFDMA transceiver |
| 10/17/2007 | EP1845645A1 Base station apparatus, radio transmission system, radio base station program, and timing estimating method |
| 10/17/2007 | EP1845626A1 Communication device, multi-band reception device, and reception device |
| 10/17/2007 | EP1844590A1 Method and apparatus for constructing mimo constellations that preserve their geometric shape in fading channels |
| 10/17/2007 | EP1540909A4 Improving hierarchical 8psk performance |
| 10/17/2007 | EP1532747B1 Access burst detector correlator pool |
| 10/17/2007 | CN101057475A Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling |
| 10/17/2007 | CN101057474A Apparatus and method for processing a digital signal in mobile communication system using orthogonal frequency division multiplexing access |
| 10/17/2007 | CN101057473A Apparatus and method for receiving packet data on a subset of carrier frequencies in a wireless communication system |
| 10/17/2007 | CN101057472A Method and apparatus for arranging pilot tones in a mobile communication system |
| 10/17/2007 | CN101057471A Method and apparatus for closed loop data transmission |
| 10/17/2007 | CN101057470A Method and device for carrier recovery using multiple sources |
| 10/17/2007 | CN101057469A Iterative and Turbo-based method and apparatus for equalization of spread-spectrum downlink channels |
| 10/17/2007 | CN101057440A Method and transmitter structure removing phase ambiguity by repetition rearrangement |
| 10/17/2007 | CN101057438A Resource sharing in a telecommunications environment |
| 10/17/2007 | CN101057421A Radio apparatus, and method and program for controlling transmission |
| 10/17/2007 | CN101057415A A method of operating a communication system, a radio station, and a radio communication system |
| 10/17/2007 | CN101057413A RF transmitter using digital-to-RF conversion |
| 10/17/2007 | CN101057221A Ultra-wideband communication apparatus and methods |
| 10/17/2007 | CN101056302A UKF-based channel and carrier frequency deviation estimating method in the OFDM system |
| 10/17/2007 | CN101056301A Method and apparatus of transmitting pilot symbols in orthogonal frequency division multiplexing based communication system, method and apparatus of receiving the pilot symbols |
| 10/17/2007 | CN101056300A Relevancy interval synchronization device and method |
| 10/17/2007 | CN101056299A Self-adapting peak value limiter and multiple carrier wave sending device |
| 10/17/2007 | CN101056298A Method, device and demodulation device for identifying the pilot location of the orthogonal frequency division multiplexing system |
| 10/17/2007 | CN101056297A Method and apparatus for transmission of command combinations by means of coded frequency-shift keying |
| 10/17/2007 | CN101056296A Orthogonal frequency division multiplexing symbol timing synchronization method used for the multi-path fading channel environment |
| 10/17/2007 | CN101056295A An OFDMA system frequency deviation estimating method based on the sub-carrier interleaving allocation |
| 10/17/2007 | CN101056294A Super broad band communication system and method for using in super broad band communication |
| 10/17/2007 | CN101056293A A half-blind channel estimating method of orthogonal frequency division multiplexing system |
| 10/17/2007 | CN101056292A Time frequency resource allocation method, device and base station and radio communication device applying same |
| 10/17/2007 | CN101056291A Orthogonal frequency-division multi-channel signal carrier frequency deviation estimating and correcting method |
| 10/17/2007 | CN101056290A Hybrid modulus blind equalization for quadrature amplitude modulation (QAM) receivers |
| 10/17/2007 | CN101056289A A variable power adaptive transmitter |
| 10/17/2007 | CN101056183A Buffer-based magnitude charging middle message processing method |
| 10/17/2007 | CN101056162A Signal receiving and transmission method and device for MIMO system |
| 10/17/2007 | CN101056160A Method and device for transferring data wherein a bit rate adaptation model is signalled between the transmitter and the receiver |
| 10/17/2007 | CN101056156A A channel quality feedback method and its user terminal and system |
| 10/17/2007 | CN101056155A Optical source concentrated wave division multiplexing passive optical network for simultaneously generating the DPSK and OOK signals |
| 10/17/2007 | CN101056151A Multi-cast and unicast compatible orthogonal frequency division and time division multiplexing transmission, receiving machine and its method |
| 10/17/2007 | CN101056133A Multi-antenna transmission diversity method and device of orthogonal frequency division multiplexing system |
| 10/17/2007 | CN101056132A Method and device for processing the base band of the space-time/space frequency/space diversity transmitter |
| 10/17/2007 | CN101056123A Method and circuit for transferring data across multiple clock domains |
| 10/17/2007 | CN100344137C System, device and method for PCM upstream transmission utilizing optimized transmit constellation |
| 10/17/2007 | CN100344079C Control system and multiple access method in wireless communication system |
| 10/17/2007 | CN100344078C System and method for increasing feeder link capacity in satellite communications system |
| 10/16/2007 | US7283797 System and method of improving the dynamic range of a receiver in the presence of a narrowband interfering signal |
| 10/16/2007 | US7283783 Method and system for broadcasting via phase-shift keying modulation with multiple transmit antennas |
| 10/16/2007 | US7283600 Procedure for seizing the beginning of an active signal section |
| 10/16/2007 | US7283599 Phase error detector for a quadrature amplitude modulated (QAM) receiver |
| 10/16/2007 | US7283598 OFDM receiver apparatus |
| 10/16/2007 | US7283597 Receiver for real-time adjacent channel characterization |
| 10/16/2007 | US7283596 PAM-4 data slicer having symmetrical offset |
| 10/16/2007 | US7283595 Ultra wide band pulse train generator |
| 10/16/2007 | US7283594 Impedance modulation signaling |
| 10/16/2007 | US7283593 Distance determinations associated with a trellis decoder |
| 10/16/2007 | US7283590 Signal processing approach for channel coding based on inter-symbol-interference insertion |
| 10/16/2007 | US7283583 Adaptive rate transmission with dual noise margins |
| 10/16/2007 | US7283581 Spread spectrum communication system apparatus |
| 10/16/2007 | US7283567 Network delay identification method and apparatus |
| 10/16/2007 | US7283509 Apparatus and method for retransmitting high-speed data in a CDMA mobile communication system |
| 10/16/2007 | US7283498 Method and apparatus for allocating a pilot carrier adaptively in an orthogonal frequency division multiple access system |
| 10/16/2007 | US7283013 Contactless IC card system |
| 10/11/2007 | WO2007115331A1 Methods and apparatus for reduction of a peak to average ratio for an ofdm transmit signal |
| 10/11/2007 | WO2007114689A1 Transmission means, management centre and transmission systems with a direct qam modulator |
| 10/11/2007 | WO2007114653A1 Advanced-vsb system (a-vsb) |
| 10/11/2007 | WO2007114599A1 Apparatus and method for digital frequency up-conversion |
| 10/11/2007 | WO2007113511A1 Signal-to-noise ratio estimation for digital signal decoding |
| 10/11/2007 | WO2007113390A1 Receiver and receiving method |
| 10/11/2007 | WO2007113359A1 Method that is simultaneous over time and in terms of frequency for transmitting multiple data communications via ofdm modulations |
| 10/11/2007 | WO2007113041A1 A method of reducing a peak to average power ratio of a modulated signal |
| 10/11/2007 | WO2007112681A1 An ofdm integer multiple frequency offset estimation method |
| 10/11/2007 | WO2007112489A1 Channel estimation for rapid dispersive fading channels |
| 10/11/2007 | WO2007084988A3 Method and apparatus for pilot multiplexing in a wireless communication system |
| 10/11/2007 | WO2007069203A3 Ofdm system synchronization using correlations with known pilot patterns |
| 10/11/2007 | WO2007066293A3 System, apparatus, and method for single-carrier block transmission with adaptive guard interval |
| 10/11/2007 | WO2007063528A3 Swept notch uwb transmitter |
| 10/11/2007 | WO2005050887A3 Method for configuring uplink frame in ofdma-based wireless communication system |
| 10/11/2007 | US20070238424 Apparatus for radio telecommunication system and method of building up output power |
| 10/11/2007 | US20070237269 Ultratight navigation observation lock detector |
| 10/11/2007 | US20070237268 Method and receiver for estimating the channel impulse response using a constant modulus interference removal iteration |
| 10/11/2007 | US20070237265 Demodulator and method thereof |
| 10/11/2007 | US20070237264 Hybrid DC-offset reduction method and system for direct conversion receiver |
| 10/11/2007 | US20070237263 Receiver for robust data extension for 8VSB signaling |
| 10/11/2007 | US20070237261 Apparatus and method for efficient inter radio access technology operation |