| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 09/16/1999 | WO1999046866A1 A method and device for despreading an offset signal |
| 09/16/1999 | WO1999046864A1 Integrable radio receiver circuit for frequency-modulated digital signals |
| 09/16/1999 | WO1999046863A2 Method of performing antenna diversity in a spread spectrum wireless local area network |
| 09/16/1999 | WO1999046861A1 Digital signal modulation system |
| 09/16/1999 | DE19810695A1 Verfahren zur Detektion eines gepulsten Nutzsignals Method for detecting a pulsed useful signal |
| 09/16/1999 | DE19810558A1 Integratable radio receiver circuit for frequency modulated digital signals |
| 09/16/1999 | DE19808176A1 Method of transferring information using modulated transmission signal with envelope curve |
| 09/16/1999 | CA2322389A1 A method and device for despreading an offset signal |
| 09/15/1999 | EP0942578A2 Dual-mode filter for ADSL |
| 09/15/1999 | EP0942566A2 Reduction of peak to average power ratio in multicarrier systems |
| 09/15/1999 | EP0942565A2 Phase estimation for fading channels |
| 09/15/1999 | EP0942564A2 Method for detecting a pulsed signal |
| 09/15/1999 | EP0942563A2 Non-linear constant envelope modulator and transmitter architecture |
| 09/15/1999 | EP0942547A1 Multi-carrier transmitter |
| 09/15/1999 | EP0942523A1 Modulating and demodulating device |
| 09/15/1999 | EP0941625A2 Adaptive channel allocation method and apparatus for multi-slot, multi-carrier communication system |
| 09/15/1999 | EP0941595A1 Modulation signal calibration between modem and radio using loopback |
| 09/15/1999 | EP0941594A1 Carrier phase synchronization by reverse playback |
| 09/15/1999 | EP0941593A1 Method in digital quadrature modulator and demodulator, and digital quadrature modulator and demodulator |
| 09/15/1999 | EP0941588A1 Method and device for mixed analog and digital broadcast of a radio programme broadcast by the same transmitter |
| 09/15/1999 | EP0941582A1 Method for correcting errors from a jamming signal in a frequency hopped spread spectrum communication system |
| 09/15/1999 | CN1228895A Method and apparatus for compensating for varying D. C. offset in sampled signal |
| 09/15/1999 | CN1228884A Method and device for use with phase modulated signals |
| 09/15/1999 | CN1228649A Method for preventing collision of extended orthogonal |
| 09/15/1999 | CN1228647A Transmitter and receiver, and communication system and communication method |
| 09/14/1999 | US5953385 Method and device for detecting the error on the frequency of a carrier |
| 09/14/1999 | US5953383 Diversity receiver |
| 09/14/1999 | US5953379 For a communication device |
| 09/14/1999 | US5953377 Coded modulation using repetition and tree codes |
| 09/14/1999 | US5953376 Probabilistic trellis coded modulation with PCM-derived constellations |
| 09/14/1999 | US5953373 Equalizing circuit and method for data communication terminal equipment |
| 09/14/1999 | US5953370 Apparatus for receiving and correlating a spread spectrum signal |
| 09/14/1999 | US5953311 Timing synchronization in a receiver employing orthogonal frequency division multiplexing |
| 09/14/1999 | US5952895 Direct digital synthesis of precise, stable angle modulated RF signal |
| 09/14/1999 | CA2170803C Fast acquisition of gmsk-modulated signal for cdpd applications |
| 09/14/1999 | CA2140484C Method and apparatus for communicating multilevel modulated data using concatenated coding |
| 09/10/1999 | WO1999045683A1 System and method for spectrally efficient transmission of digital data over optical fiber |
| 09/10/1999 | WO1999045682A1 Method for reducing peak values in single-carrier modulated or multi-carrier modulated digital transmitter signals |
| 09/10/1999 | WO1999045681A1 Wireless communication system |
| 09/10/1999 | WO1999045680A2 A system and a method for transfer of a digital information carrying signal |
| 09/10/1999 | WO1999045672A2 Wireless local area network system |
| 09/10/1999 | WO1999045666A2 Method for reducing interference, and synthesizer arrangement |
| 09/10/1999 | WO1999045655A1 Broadband modem transformer hybrid |
| 09/10/1999 | WO1999045654A1 Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range |
| 09/10/1999 | WO1999045653A1 Apparatus, system, and method for improving the dynamic range of a receiver in the presence of a narrowband interfering signal |
| 09/10/1999 | WO1999033217A3 Method for frequency error estimation |
| 09/10/1999 | WO1999025103A3 Method and circuit arrangement for transmitting selected signal points of a signal constellation |
| 09/10/1999 | CA2320762A1 System and method for spectrally efficient transmission of digital data over optical fiber |
| 09/09/1999 | DE19808993A1 Verfahren zur Spitzenwertreduktion bei Einträger-modulierten oder Mehrträger-modulierten, digitalen Sendesignalen A method for PAR reduction in single-carrier modulated or multi-carrier modulated digital broadcast signals |
| 09/08/1999 | EP0940958A1 Method and device for digitally demodulating a frequency modulated signal |
| 09/08/1999 | EP0940957A1 AFC circuit, carrier reproducing circuit, and receiver |
| 09/08/1999 | EP0940956A2 Digital baseband modulator |
| 09/08/1999 | EP0940955A2 Filtering for transmission using quadrature modulation |
| 09/08/1999 | EP0940939A2 Digital audio broadcast receiver comprising a system for quickly acquiring frame synchronization in the presence of noise |
| 09/08/1999 | EP0940929A2 Radio and communication method using a transmitted intermediate frequency |
| 09/08/1999 | EP0940761A2 Detection of a unique pattern |
| 09/08/1999 | EP0940005A1 Method and device for use with phase modulated signals |
| 09/08/1999 | CN1228222A Receiver for independent sideband signals |
| 09/08/1999 | CN1228218A Multi-carrier transmission method and data transmitter |
| 09/08/1999 | CN1228213A Wide-area wireless distribution system |
| 09/08/1999 | CN1228001A High-frequency receiver |
| 09/07/1999 | US5949830 Small wireless radio |
| 09/07/1999 | US5949829 Central error detecting circuit for FSK receiver |
| 09/07/1999 | US5949828 TDMA system receiver |
| 09/07/1999 | US5949826 Data transmission and reception system |
| 09/07/1999 | US5949823 Data communication system and radio IC card system |
| 09/07/1999 | US5949813 Method and system for simultaneously broadcasting and receiving digital and analog signals |
| 09/07/1999 | US5949793 Transmission of digital and analog signals in the same band |
| 09/07/1999 | US5949297 Balanced modulator |
| 09/07/1999 | US5949283 Adaptive digital predistortion linearization and feed-forward correction of RF power amplifier |
| 09/07/1999 | US5949280 Multivalued FSK demodulation window comparator |
| 09/07/1999 | CA2150938C Demodulator logic unit adaptable to multiple data protocols |
| 09/07/1999 | CA2142846C device and method for precoding |
| 09/07/1999 | CA2063229C Binary phase shift keying modulation system and/or frequency multiplier |
| 09/02/1999 | WO1999044343A1 Quadrature modulator |
| 09/02/1999 | WO1999044342A1 Demodulator of receiver |
| 09/02/1999 | WO1999044327A2 Clock recovery circuit and a receiver having a clock recovery circuit |
| 09/02/1999 | WO1999044326A2 Ofdm frame synchronisation and equalisation system |
| 09/01/1999 | EP0939528A2 Carrier synchronisation for DAB reception |
| 09/01/1999 | EP0939527A1 Mapping of multicarrier signals into GSM time slots |
| 09/01/1999 | EP0939526A2 Carrier recovery for MPSK signals |
| 09/01/1999 | EP0939525A1 Sequence estimation for CPM signals |
| 09/01/1999 | EP0939524A1 An isolator and a modem device using the isolator |
| 09/01/1999 | EP0939502A2 Channel tracking in a mobile receiver |
| 09/01/1999 | EP0939501A2 Data transmission method, transmitter and receiver |
| 09/01/1999 | EP0938796A1 Method for decoding complementary codes |
| 09/01/1999 | EP0938795A2 Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing |
| 09/01/1999 | EP0938783A1 Method for wireless information transfer |
| 09/01/1999 | EP0938782A1 Method of transmission and device to carry out said method |
| 09/01/1999 | EP0938775A1 Kronecker product code acquisition system |
| 09/01/1999 | CN1227677A Frequency lock indicator for FPLL demodulated signal having a pilot |
| 08/31/1999 | US5946361 Viterbi decoding method and circuit with accelerated back-tracing and efficient path metric calculation |
| 08/31/1999 | US5946360 Frequency offset compensation using dotting sequences |
| 08/31/1999 | US5946359 Parameter measuring apparatus for digital quadrature modulation signals |
| 08/31/1999 | US5946356 Method and apparatus for data transmission within a broad-band communications system |
| 08/31/1999 | US5946346 Method and system for generating a power control command in a wireless communication system |
| 08/31/1999 | US5946293 Memory efficient channel decoding circuitry |
| 08/31/1999 | US5946292 Method and digital receiver for receiving orthogonal frequency-division multiplexed signals |
| 08/31/1999 | US5946052 For receiving a digital bitstream representing video information |
| 08/31/1999 | US5946047 Network system for handling digital data over a TV channel |