| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 01/13/2004 | US6678012 LNB drift search system for DBS products |
| 01/13/2004 | US6677900 System for detecting mobile receivers, using digital telebroadcasts transmissions of a ground transmitter network |
| 01/13/2004 | US6677866 Modulation apparatus/method, demodulation apparatus/method and program presenting medium |
| 01/13/2004 | CA2300671C Unbalanced quadrature waveform |
| 01/08/2004 | WO2004004365A2 Method and apparatus for forward link gain control in a power controlled repeater |
| 01/08/2004 | WO2004004270A1 Receiver device |
| 01/08/2004 | WO2004004269A1 Dual-mode shared ofdm methods/transmitters, receivers and systems |
| 01/08/2004 | WO2004004268A1 Method and apparatus for phase-domain semi-coherent demodulation |
| 01/08/2004 | WO2004004266A2 Receiver device, especially for mobile radio |
| 01/08/2004 | WO2004004265A1 Modulation apparatus using mixed-radix fast fourier transform |
| 01/08/2004 | WO2004004263A1 Radio frequency data capture |
| 01/08/2004 | WO2004004262A1 Method and system for concurrent estimation of frequency offset and modulation index |
| 01/08/2004 | WO2004004260A2 Training using overhead data in a wireless communications network |
| 01/08/2004 | WO2004004232A1 Method and apparatus for adjacent channel interference reduction in an orthogonal frequency division multiplexing (ofdm) receiver |
| 01/08/2004 | WO2004004196A1 Bluetooth rf based rf-tag read/write station |
| 01/08/2004 | WO2004004193A2 Improving hierarchical 8psk performance |
| 01/08/2004 | WO2004004185A1 Communication using audible tones |
| 01/08/2004 | WO2004004172A1 Method and apparatus to establish constellations for imperfect channel state information at a receiver |
| 01/08/2004 | WO2004004165A1 Transmitting apparatus and communication mode selection table updating method |
| 01/08/2004 | WO2004004143A1 Method and device for wavelet denoising |
| 01/08/2004 | WO2004003743A1 Method and apparatus for antenna selection using channel response information in a multi-carrier system |
| 01/08/2004 | WO2002041617A3 Method and apparatus for simultaneously communicating voice and data in an analog cordless telephone system |
| 01/08/2004 | US20040005907 Method and apparatus for transmit power adjustment in radio frequency systems |
| 01/08/2004 | US20040005865 Method and system for decoding low density parity check (LDPC) codes |
| 01/08/2004 | US20040005022 Receiver and method for WLAN burst type signals |
| 01/08/2004 | US20040005018 Receiver and method for WLAN burst type signals |
| 01/08/2004 | US20040005017 Constellation manipulation for frequency/phase error correction |
| 01/08/2004 | US20040005016 High bit rate ultra-wideband OFDM |
| 01/08/2004 | US20040005015 Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications |
| 01/08/2004 | US20040005014 System and method for adjusting a power level of a transmission signal |
| 01/08/2004 | US20040005012 Information transmission apparatus, information transmission method, information reception apparatus, and information reception method |
| 01/08/2004 | US20040005011 Multi-bit per symbol rate quadrature amplitude encoding |
| 01/08/2004 | US20040005010 Channel estimator and equalizer for OFDM systems |
| 01/08/2004 | US20040004998 Adaptive modulation for wireless networks |
| 01/08/2004 | US20040004936 Equalization scheme for DSL receivers in presence of an under-sampled or over-sampled transmit IDFT |
| 01/08/2004 | US20040004935 Receiver and method for WLAN burst type signals |
| 01/08/2004 | US20040004934 Receiver and method for WLAN burst type signals |
| 01/08/2004 | US20040004933 Receiver and method for WLAN burst type signals |
| 01/08/2004 | US20040004515 Modulator and demodulator |
| 01/08/2004 | DE10225663A1 Verfahren und Vorrichtung zur Durchführung einer Kanalschätzung A method and apparatus for performing a channel estimation |
| 01/08/2004 | DE10225662A1 Empfänger Receiver |
| 01/08/2004 | CA2762938A1 Microstimulator having self-contained power source and bi-directional telemetry system |
| 01/08/2004 | CA2490086A1 Method and apparatus for forward link gain control in a power controlled repeater |
| 01/07/2004 | EP1379043A1 Transmission apparatus and transmission method |
| 01/07/2004 | EP1379001A2 Method and system for decoding low density parity check (LDPC) codes |
| 01/07/2004 | EP1378100A1 Controlled modulation distortion |
| 01/07/2004 | EP1378079A2 Communication system for underwater use |
| 01/07/2004 | EP1378078A2 Underwater communication system |
| 01/07/2004 | EP1377994A1 Tunable ferro-electric filter |
| 01/07/2004 | EP1377839A1 Low-loss tunable ferro-electric device and method of characterization |
| 01/07/2004 | EP1377725A2 Hydraulically balanced reciprocating pulser valve for mud pulse telemetry |
| 01/07/2004 | EP1110345B1 Codec mode decoding using a priori knowledge |
| 01/07/2004 | CN1466837A Modulation technique for transmitting a high data rate signal and an auxiliary data signal through a band limited channel |
| 01/07/2004 | CN1466826A Apparatus and method for controlling transmission power in mobile communication system |
| 01/07/2004 | CN1466381A Digital broadcasting transmitter capable of inserting different number of pilot sound according to receiving priority grade of data area |
| 01/07/2004 | CN1466380A Single carrier transmitter for inserting field synchronous information into field and method thereof |
| 01/07/2004 | CN1466345A Digital wave carrying restoring device |
| 01/07/2004 | CN1466293A Receive property improved OFDM transmitter and method for treating said signal |
| 01/07/2004 | CN1466292A OFDM transmitter and method for inserting pilot frequency into OFDM signal |
| 01/07/2004 | CN1466291A OFDM transmitter for raising transfer rate and signal compressing method |
| 01/07/2004 | CN1466290A OFDM receiver |
| 01/07/2004 | CN1466289A OFDM transmitter and method for setting public known sequence |
| 01/07/2004 | CN1466288A Transmitter and method for transmitting OFDM cade unit |
| 01/07/2004 | CN1466287A Transmitting system and method for modulating transmitted signal by OFDM |
| 01/07/2004 | CN1134143C Method and equipment for using dual pilots to implement carrier restoration in digital transmission |
| 01/07/2004 | CN1134142C Digital GMSK filter |
| 01/07/2004 | CN1134134C Simply-constructed digital radio communication system capable of changing transmission capacity mode |
| 01/07/2004 | CN1134127C Method for equalization of complementary carriers in am compatible digital audio broadcast system |
| 01/07/2004 | CN1134112C Mobile station having emitting power control system and method for compensating emitting power |
| 01/07/2004 | CN1134111C De-interleave circuit |
| 01/06/2004 | US6675184 Adaptive type signal estimator |
| 01/06/2004 | US6674998 System and method for detecting and correcting phase error between differential signals |
| 01/06/2004 | US6674997 AM band transmission using multi-tone modulation |
| 01/06/2004 | US6674823 Variable rate modulator |
| 01/06/2004 | US6674822 Searching the optimal sampling instant in a TDMA packet transmission system |
| 01/06/2004 | US6674819 Channel estimation by phase multiplexed complementary sequences |
| 01/06/2004 | US6674817 Communication device and distinguishing method for distinguishing between different data burst types in a digital telecommunication system |
| 01/06/2004 | US6674815 Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel |
| 01/06/2004 | US6674814 Frequency error estimating apparatus and a frequency error estimating method |
| 01/06/2004 | US6674812 High IF frequencies with a lower frequency logic based FSK modulation selecting a harmonic alias and demodulation using sub-sampling techniques |
| 01/06/2004 | US6674811 Efficient pre-distorted 12/4 QAM modulator |
| 01/06/2004 | US6674810 Method and apparatus for reducing peak-to-average power ratio in a discrete multi-tone signal |
| 01/06/2004 | US6674809 Noise reducing apparatus for minimizing noise in modems |
| 01/06/2004 | US6674808 Post-amplifier filter rejection equalization |
| 01/06/2004 | US6674791 Automatic power control system for a code division multiple access (CDMA) communications system |
| 01/06/2004 | US6674788 Automatic power control system for a code division multiple access (CDMA) communications system |
| 01/06/2004 | US6674786 Data demodulation |
| 01/06/2004 | US6674768 Data transmission device and data transmission method capable of minimizing delay of fast data |
| 01/06/2004 | US6674731 Transmission and reception of TCP/IP data over a wireless communication channel |
| 01/06/2004 | US6674592 Demodulation method and demodulator |
| 01/06/2004 | US6674334 Oscillator having surface acoustic wave resonator and oscillation circuit |
| 01/06/2004 | CA2295277C Buffering and sequencing of soft decisions of multiple channels into a single shared biorthogonal decoder |
| 01/06/2004 | CA2284914C Maximum likelihood detection of mpsk bursts with inserted reference symbols |
| 01/06/2004 | CA2094284C Digital audio broadcasting system |
| 01/03/2004 | WO2004006441A2 Method and system for memory management in low density parity check (ldpc) decoders |
| 01/02/2004 | EP1376971A1 Method and apparatus for transmission of a data sequence with a protection portion and a paylod portion in a radio communication system |
| 01/02/2004 | EP1376970A2 Wireless Spread Spectrum Communication with Centre Seeking Decorrelation |
| 01/02/2004 | EP1376969A2 Correction of imbalance in I and Q gains |
| 01/02/2004 | EP1376968A1 A transceiver |
| 01/02/2004 | EP1376967A2 Digital estimation and correction of I/Q mismatch in direct conversion receivers |