| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 09/26/2002 | US20020136324 Circuit and method for compensating for non-linear distortion |
| 09/26/2002 | US20020136320 Flexible bit selection using turbo trellis-coded modulation |
| 09/26/2002 | US20020136318 Transmission system for transmitting a multilevel signal |
| 09/26/2002 | US20020136317 Block coding for multilevel data communication |
| 09/26/2002 | US20020136315 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control |
| 09/26/2002 | US20020136314 Communication systems, transmitter and receiver |
| 09/26/2002 | US20020136284 System and method for controlling line driver power in digital subscriber line modems |
| 09/26/2002 | US20020136282 Optimum UMTS modem |
| 09/26/2002 | US20020136274 Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter |
| 09/26/2002 | US20020136270 Method for generating complex four-phase sequences |
| 09/26/2002 | US20020136238 ADSL encoder and decoder |
| 09/26/2002 | US20020136196 Adaptive modulation method, radio network controller, and mobile communication system |
| 09/26/2002 | US20020136190 Band-division demodulation method and OFDM receiver |
| 09/26/2002 | US20020136189 Radio communication system and apparatus |
| 09/26/2002 | US20020136178 Multiplex communication system and method of signal processing |
| 09/26/2002 | US20020136176 Signal format in multi-carrier cdma transmission system |
| 09/26/2002 | US20020136170 Wireless access system using selectively adaptable beam forming in TDD frames and method of operation |
| 09/26/2002 | US20020136157 Orthogonal frequency division multiplexed signal transmitting apparatus, orthogonal frequency division multiplexed signal receiving apparatus, and orthogonal frequency division multiplexed signal transmitting/receiving system |
| 09/26/2002 | EP1055283A3 Phase modulating transmitter |
| 09/26/2002 | DE10112816A1 Signal transmission method using transceivers has adaption parameters for useful signal transmission obtained from measurement of interference along transmission channel in off-line mode |
| 09/26/2002 | DE10112773A1 Frequency and time synchronization method for OFDM signal receiver employs 2-stage process using frequency-time search mode or synchronization sequence evaluation and evaluation of pilot tone |
| 09/26/2002 | DE10112525A1 Information transmitter uses modulation and amplification for ensuring transmission with maximum permissible spectral power density |
| 09/26/2002 | DE10108101A1 Sender zum Versenden von Signalen über Funkkanäle mit orthogonalen Frequenzmiliplex (OFDM) und Verfahren zum Senden von Signalen über Funkkanäle mit orthogonalen Frequenzmultiplex (OFDM) Transmitter for sending signals via radio channels with orthogonal Frequenzmiliplex (OFDM) and method for transmitting signals via radio channels with orthogonal frequency division multiplexing (OFDM) |
| 09/25/2002 | EP1244244A1 Global MMSE equalisation |
| 09/25/2002 | EP1244243A1 Global MMSE equalisation |
| 09/25/2002 | EP1244242A1 Global MMSE equalisation |
| 09/25/2002 | EP1243113A1 Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols |
| 09/25/2002 | EP1243112A1 Method for blind modulation detection |
| 09/25/2002 | EP1243109A1 An arrangement for reducing power dissipation in a line driver |
| 09/25/2002 | EP1243094A1 Estimation of two propagation channels in OFDM |
| 09/25/2002 | EP0867077B1 Re-orthogonalization of wideband cdma signals |
| 09/25/2002 | CN1371566A Reflecting modulator circuit comprising negative impedance amplifier |
| 09/25/2002 | CN1371562A Method and apparatus for detecting zero rate frames in communications system |
| 09/25/2002 | CN1371203A Phase shifting method for reducing peak-to-average ratio of multiple carrier signal |
| 09/25/2002 | CN1091556C Pipeline cell site base station receiver for spread spectrum signals |
| 09/25/2002 | CN1091553C Small radio receiver |
| 09/24/2002 | US6456831 Amplitude change time activated phase locked controller in a selective call receiver |
| 09/24/2002 | US6456823 System and method for recovering a pilot tone in a local multipoint distribution system signal |
| 09/24/2002 | US6456677 Synchronization equipment |
| 09/24/2002 | US6456673 Digital radio frequency interference canceller |
| 09/24/2002 | US6456672 Automatic frequency control communication system |
| 09/24/2002 | US6456671 Decision feedback phase tracking demodulation |
| 09/24/2002 | US6456670 Method for processing a signal containing data symbols |
| 09/24/2002 | US6456669 Data communication method, transmitter, and cellular radio communication system |
| 09/24/2002 | US6456668 QPSK modulated backscatter system |
| 09/24/2002 | US6456665 Partial modification of a nominal impedance using digital impedance synthesis |
| 09/24/2002 | US6456657 Frequency division multiplexed transmission of sub-band signals |
| 09/24/2002 | US6456654 Frame alignment and time domain equalization for communications systems using multicarrier modulation |
| 09/24/2002 | US6456653 Fast and accurate signal-to-noise ratio estimation technique for OFDM systems |
| 09/24/2002 | US6456649 Multi-carrier transmission systems |
| 09/24/2002 | US6456647 Two step signal recovery scheme for a receiver |
| 09/24/2002 | US6456608 Adaptive vector correlator using weighting signals for spread-spectrum communications |
| 09/24/2002 | US6456602 Method and apparatus for achieving frequency diversity by use of multiple images |
| 09/24/2002 | CA2113075C Automatic detector and selector of rs-232 or v.35 interface |
| 09/19/2002 | WO2002073920A1 Distortion pre-corrector for communication apparatus |
| 09/19/2002 | WO2002073918A1 Dpsk scheme with adaptive transition angle range |
| 09/19/2002 | WO2002073917A1 Method and apparatus for performing channel estimation with a limited receiver |
| 09/19/2002 | WO2002073916A1 Method and system for blind detection of modulation type |
| 09/19/2002 | WO2002073915A1 Blind detection for mobile radio receivers |
| 09/19/2002 | WO2002073870A2 Method of symbol timing synchronization in communication systems |
| 09/19/2002 | WO2002073869A1 Multiplexing method in a multi carrier transmit diversity system |
| 09/19/2002 | WO2002073868A1 Waveform diversity for communication using pulse decoding |
| 09/19/2002 | WO2002073841A1 Method for power detection of multicarrier signals, radio transmission unit and module for such a unit |
| 09/19/2002 | WO2002073840A1 Method and apparatus for spread spectrum radio signal recovery in wideband spread spectrum communication systems |
| 09/19/2002 | WO2002073831A1 A communication system using ofdm for one direction and dsss for another direction |
| 09/19/2002 | WO2002073821A1 System for code division multi-access communication |
| 09/19/2002 | WO2002073813A2 Satellite communications apparatus |
| 09/19/2002 | WO2002073790A2 Quadrature receiver |
| 09/19/2002 | WO2002072993A2 Hydraulically balanced reciprocating pulser valve for mud pulse telemetry |
| 09/19/2002 | WO2002071981A1 Wireless receiver with anti-jamming |
| 09/19/2002 | WO2002028042A3 System and method for layer 2 frame delineation recovery |
| 09/19/2002 | WO2002019606A3 Partial response signaling for orthogonal frequency division multiplexing |
| 09/19/2002 | WO2002005473A9 A method of and a device for generating a signal having a predetermined quality criterion for use in or on a communication system |
| 09/19/2002 | US20020133644 Method of transmitting and receiving QPSK digital signals |
| 09/19/2002 | US20020131537 Approach for processing data received from a communications channel to reduce noise power and optimize impulse response length to reduce inter-symbol interference and inter-channel interference |
| 09/19/2002 | US20020131533 Automatic gain control method and automatic gain control circuit |
| 09/19/2002 | US20020131529 Digital modulator and digital demodular |
| 09/19/2002 | US20020131527 Modulation synthesis method for photonic wavelength shifting |
| 09/19/2002 | US20020131526 Modulation synthesis apparatus for photonic wavelength shifting |
| 09/19/2002 | US20020131525 Method of transmitting and receiving QAM-16 digital signals |
| 09/19/2002 | US20020131524 System and method using multi-dimensional constellations with low receiver soft- decision extraction requirements |
| 09/19/2002 | US20020131523 Circuit and method for compensating for non-linear distortion |
| 09/19/2002 | US20020131515 Soft-decision metric generation for higher order modulation |
| 09/19/2002 | US20020131514 Waveform diversity for communication using pulse decoding |
| 09/19/2002 | US20020131482 Method and apparatus for spread spectrum radio signal recovery in wideband spread spectrum communication systems |
| 09/19/2002 | US20020131481 Receiver including an apparatus for generating complex four-phase sequences |
| 09/19/2002 | US20020131480 Spread spectrum receiver |
| 09/19/2002 | US20020131478 Extension of wireless local area network communication system to accommodate higher data rates while preserving legacy receiver features |
| 09/19/2002 | US20020131455 Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system |
| 09/19/2002 | US20020131440 Method for adaptive bit assignment and fine gain setting in a multi-carrier communications system |
| 09/19/2002 | US20020131389 Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals and dc offset compensation |
| 09/19/2002 | US20020131385 Device and method for processing a digital data signal in a CDMA radio transmitter |
| 09/19/2002 | US20020130727 Circuit and method for compensating for non-linear distortion |
| 09/19/2002 | US20020130698 Signal compensation circuit and demodulating circuit with high-speed and low-speed feedback loops |
| 09/19/2002 | DE10209259A1 Reduktion des DMT-Peaks, ohne das Übertragungssignal zu beeinflussen Reduction of DMT peaks without affecting the transmission signal |
| 09/19/2002 | DE10112025A1 Verfahren zur Verringerung der Außenbandstrahlung bei AM-Sendern für digitale Übertragung A method for reducing the outer band radiation of AM transmitters for digital transmission |
| 09/19/2002 | DE10111206A1 Blinde Detektion für Mobilfunkempfänger Blind detection for wireless receiver |
| 09/18/2002 | EP1241846A2 Phase-locked loop initialization via curve-fitting |
| 09/18/2002 | EP1241833A1 Communication system and communication control apparatus and method |
| 09/18/2002 | EP1241824A1 Multiplexing method in a multicarrier transmit diversity system |