| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 06/06/2002 | DE10059585A1 Elektrische Schaltung und Verfahren zur Pulsmodulation eines Trägersignals Electrical circuit and method for pulse modulation of a carrier signal |
| 06/06/2002 | DE10057282A1 Verfahren zur codierten Modulation A method for coded modulation |
| 06/06/2002 | DE10052907C1 Vorrichtung und Verfahren zur Steigerung der Bandbreite in einem leitungsgebundenen Multiträgersystem An apparatus and method for increasing the bandwidth in a wired multi-carrier system |
| 06/05/2002 | EP1211859A2 Fixed-point DSP implementation of FM demodulation and decoding |
| 06/05/2002 | EP1211836A1 Communication device and communication method |
| 06/05/2002 | EP1211835A1 Multi-carrier communication device and peak power suppressing method |
| 06/05/2002 | EP1211819A1 Radio receiving device and radio receiving method |
| 06/05/2002 | EP1211801A2 Polar Loop Transmitter |
| 06/05/2002 | EP1210807A2 Qam demodulator |
| 06/05/2002 | EP1210806A1 Demodulator which uses a delay detector |
| 06/05/2002 | EP1210788A1 Technique for demodulating a linear modulated data signal in a communications system |
| 06/05/2002 | EP1210766A1 Automatic gain control loop for frequency conversion of quadrature signals |
| 06/05/2002 | EP0789953B1 Automatic tuning of a radio transceiver |
| 06/05/2002 | CN1352827A Signal identification in CDMA ratio systems |
| 06/05/2002 | CN1352511A Gain equalizing method and device based on wide band multiple carrier base station |
| 06/05/2002 | CN1352505A Method for transmitting diversity in orthogonal multiple carrier wave system |
| 06/05/2002 | CN1352504A Apparatus and method for keeping frame synchronization in multiple carrier transmission system |
| 06/05/2002 | CN1086070C Dual mode modulating device and method |
| 06/05/2002 | CN1086068C Local signal generator and a communication method for producing local signals |
| 06/05/2002 | CN1086066C Digital compensated direct conversion receiver and method |
| 06/04/2002 | US6400957 Wireless phone-line interface |
| 06/04/2002 | US6400928 Method and system for blind detection of modulation |
| 06/04/2002 | US6400784 Synchronization system and method for digital communication systems |
| 06/04/2002 | US6400781 Multiband detector |
| 06/04/2002 | US6400778 DC-offset canceller |
| 06/04/2002 | US6400777 Linear modulator |
| 06/04/2002 | US6400776 Method and apparatus for high speed data transmission by spectral decomposition of the signaling space |
| 06/04/2002 | US6400774 Nonlinearity-caused distortion compensating system |
| 06/04/2002 | US6400773 Section division operating point determination method for multicarrier communication systems |
| 06/04/2002 | US6400758 Method and apparatus for training sequence identification in an AM compatible digital audio broadcasting system |
| 06/04/2002 | US6400751 Adaptive frequency sharing method and apparatus |
| 06/04/2002 | US6400703 Device and method for generating and distributing coded symbols in a CDMA communication system |
| 06/04/2002 | US6400415 System and method for predistorting signals to be amplified |
| 06/04/2002 | US6400233 Method and apparatus for compensating for distortion in IQ modulators |
| 06/04/2002 | US6400228 Switched supply for operational amplifier |
| 06/04/2002 | CA2270994C Method of operating the channel equalizer in a receiver for dtv signals subject to co-channel ntsc interference |
| 05/30/2002 | WO2002043419A1 Method and device of gain equalization based on wideband multi-carrier base-station |
| 05/30/2002 | WO2002043314A1 Methods and apparatus for turbo space-time trellis coding |
| 05/30/2002 | WO2002043313A2 Space-time turbo trellis coding arrangement and method thereof |
| 05/30/2002 | WO2002043293A1 Ofdm communication apparatus and ofdm communication method |
| 05/30/2002 | WO2002043265A1 A rake receiver and a method of providing a frequency error estimate |
| 05/30/2002 | WO2002043258A2 Dc-offset correction circuit having a dc control loop and a dc blocking circuit |
| 05/30/2002 | WO2002013593A3 Distributed architecture wireless rf modem |
| 05/30/2002 | WO2001093446A3 Ultrawide bandwidth communication system and method for fast synchronisation |
| 05/30/2002 | WO2001035608A9 Method and apparatus for mitigation of disturbers in communication systems |
| 05/30/2002 | WO2000041372A3 Constant envelope modulation communication system |
| 05/30/2002 | US20020065634 DC offset compensation |
| 05/30/2002 | US20020065059 Tuner |
| 05/30/2002 | US20020065047 Synchronization, channel estimation and pilot tone tracking system |
| 05/30/2002 | US20020064245 Ultra wide bandwidth noise cancellation mechanism and method |
| 05/30/2002 | US20020064244 Phase noise tracker with a delayed rotator |
| 05/30/2002 | US20020064240 System and method for multi-carrier modulation |
| 05/30/2002 | US20020064239 DC compensation in direct conversion radio receivers |
| 05/30/2002 | US20020064238 Cable modem tuner |
| 05/30/2002 | US20020064237 Quadrature modulation apparatus, radio transmission apparatus using quadrature modulation apparatus and quadrature modulation method |
| 05/30/2002 | US20020064236 Transmission apparatus |
| 05/30/2002 | US20020064235 Method and device in a multi-tone transmission system |
| 05/30/2002 | US20020064234 Noise canceling method and apparatus |
| 05/30/2002 | US20020064222 Broadband I/O circuits, interface and bus |
| 05/30/2002 | US20020063645 Cellular base station having a high speed, high resolution digital-to-analog converter with off-line sigma delta conversion and storage |
| 05/30/2002 | US20020063609 Electrical circuit and method for pulse modulation of a carrier signal |
| 05/30/2002 | EP1145516A3 Constant envelope modulation communication system |
| 05/30/2002 | CA2429658A1 Space-time turbo trellis coding arrangement and method thereof |
| 05/29/2002 | EP1209873A1 Procedure and apparatus for the transmission of signals modulated in phase and amplitude |
| 05/29/2002 | EP1209872A2 Frequency control in a PSK receiver |
| 05/29/2002 | EP1209871A1 Channel presuming system and channel presuming method |
| 05/29/2002 | EP1209870A1 Automatic gain control and wireless communication device |
| 05/29/2002 | EP1209869A1 IF FSK receiver with circuits for differentiators and peak detectors |
| 05/29/2002 | EP1209840A2 Bidirectional optical communications which allows data recovery without first establishing timing and phase lock |
| 05/29/2002 | EP1209839A2 System and method for automatic detection of impairments in a digital quadrature amplitude modulated signal |
| 05/29/2002 | EP1209836A1 Ofdm communication apparatus and method for propagation path estimation |
| 05/29/2002 | EP1208665A1 Method and apparatus for detecting zero rate frames in a communications system |
| 05/29/2002 | EP1208655A1 Method and apparatus for reducing pilot search times utilizing mobile station location information |
| 05/29/2002 | DE10065919A1 Verfahren zur codierten Modulation A method for coded modulation |
| 05/29/2002 | DE10056472A1 Polar loop transmission circuit has oscillator producing HF signal depending on phase comparison, amplitude modulator, feedback path, amplifier between amplitude modulator, mixer |
| 05/29/2002 | CN1351797A Digital television system for 8 MHZ channels |
| 05/29/2002 | CN1351787A System and method for recovering symbol timing offset and carrier frequency error |
| 05/29/2002 | CN1351453A Method and system for processing multi-carrier application in digital cellular communication system |
| 05/29/2002 | CN1351440A Gaussian minimum frequency-shift keying modulation method and equipment |
| 05/29/2002 | CN1351434A Receiver in spread spectrum communication system |
| 05/29/2002 | CN1351424A Receiving automatic gain controlling circuit |
| 05/29/2002 | CN1085920C Method and device for phase-modulated signals |
| 05/29/2002 | CN1085911C Wideband zero IF demodulator using single L.O |
| 05/28/2002 | US6397368 Forward error correction with channel adaptation |
| 05/28/2002 | US6397276 Data transmission by an alternating-frequency analog signal |
| 05/28/2002 | US6396886 DMT time-domain equalizer algorithm |
| 05/28/2002 | US6396884 Automatic frequency control circuit |
| 05/28/2002 | US6396883 Method for detection of pilot tones |
| 05/28/2002 | US6396882 Frequency scanning type receiver |
| 05/28/2002 | US6396881 Minimum-delay frequency-shift-compensating complex demodulator with arbitrary phase adjustment |
| 05/28/2002 | US6396880 π/4 DQPSK encoder and modulator |
| 05/28/2002 | US6396871 Multi-channel parallel/serial concatenated convolutional codes and trellis coded modulation encoder/decoder |
| 05/28/2002 | US6396869 Modulation apparatus and method using zero-crossing detection |
| 05/28/2002 | US6396866 Symmetric chirp communications acquisition method and apparatus |
| 05/28/2002 | US6396804 High data rate CDMA wireless communication system |
| 05/28/2002 | US6396802 Data transmission method with a plurality of frequency bands |
| 05/28/2002 | US6396431 Precision microwave/millimeter wave modulated signal source |
| 05/28/2002 | US6396405 Automatic verification of smoke detector operation within calibration limits |
| 05/28/2002 | US6396345 Phase and amplitude detector and method of determining errors |
| 05/28/2002 | CA2150113C Wireless direct sequence spread spectrum digital cellular telephone system |