| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 09/26/2000 | CA2204046C Differential detection demodulator and phase comparator therefor |
| 09/26/2000 | CA2204045C Frequency converter circuit |
| 09/26/2000 | CA2196468C Frequency estimating circuit and afc circuit using the same |
| 09/24/2000 | CA2299903A1 Soft output metrics generation for symbol detectors |
| 09/21/2000 | WO2000055999A1 Method and apparatus for radio reception, and medium |
| 09/21/2000 | WO2000055998A1 Method and apparatus for transmission, and medium |
| 09/21/2000 | DE19910875A1 System zur berührungslosen, seriellen Übertragung von Daten aus insbesondere schnell bewegten, mobilen Datenträgern, und bevorzugte Verwendungen des Systems System for contactless, serial transmission of data from particular fast moving, mobile media, and preferred uses of the system |
| 09/20/2000 | EP1037443A2 OFDM modulator and digital broadcasting apparatus using the same |
| 09/20/2000 | EP1037442A2 OFDM communication apparatus |
| 09/20/2000 | EP1037441A2 OFDM signal processor performing digital delay |
| 09/20/2000 | EP1037440A2 Null symbol detecting device |
| 09/20/2000 | EP1037439A1 Receiver structure for Offset Differential Quadrature Phase Shift Keying |
| 09/20/2000 | EP1037438A2 Data demodulator for correcting bit errors |
| 09/20/2000 | EP1037437A2 Modulation method and system for unbalanced quadrature phase shift keying |
| 09/20/2000 | EP1037426A1 Data allocation in multicarrier commumication systems |
| 09/20/2000 | EP1037303A1 Apparatus and method for generating transmitter antenna weights |
| 09/20/2000 | EP1036453A1 Trellis decoding with multiple symbol noncoherent detection and interleaving to combat frequency offset |
| 09/20/2000 | EP1036452A1 Data transmission method and transmitter |
| 09/20/2000 | EP1036447A2 Communications system for multichannel transmission with carrier modulation |
| 09/20/2000 | EP1036434A1 Automatic gain-controlled vhf/uhf antenna tuning apparatus |
| 09/20/2000 | EP1036425A1 Vhf/uhf self-tuning planar antenna system |
| 09/20/2000 | CN1267160A Method and device for modulation and demodulation |
| 09/20/2000 | CN1267159A Wireless modem based on wireless data transmission network |
| 09/20/2000 | CN1267154A Orthogonal frequency division multiplexing communication apparatus |
| 09/20/2000 | CN1267150A Correlator for carrying out low current consumption |
| 09/20/2000 | CN1267148A 信号传输系统 A signal transmission system |
| 09/20/2000 | CN1267142A Synchronization in digital data transmission system |
| 09/19/2000 | US6122487 Communication unit |
| 09/19/2000 | US6122333 Delay detection demodulation system |
| 09/19/2000 | US6122332 Apparatus for reducing impulse noise in high-frequency digital receivers |
| 09/19/2000 | US6122330 Diversity combining |
| 09/19/2000 | US6122329 Radio frequency identification interrogator signal processing system for reading moving transponders |
| 09/19/2000 | US6122328 Fast-acting Costas loop |
| 09/19/2000 | US6122327 Radio receiver |
| 09/19/2000 | US6122325 Method and system for detecting and correcting in-phase/quadrature imbalance in digital communication receivers |
| 09/19/2000 | US6122324 Narrowband simultaneous multibit wireless transmission method |
| 09/19/2000 | US6122323 Apparatus and method for digital information transfer |
| 09/19/2000 | US6122313 Self-contained self-testing data modulator |
| 09/19/2000 | US6122312 Acoustic wave communication apparatus and method |
| 09/19/2000 | US6122291 Communication system and operating method thereof |
| 09/19/2000 | US6122247 Method for reallocating data in a discrete multi-tone communication system |
| 09/19/2000 | US6122246 Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications system |
| 09/19/2000 | US6122010 Television signal data transmission system |
| 09/19/2000 | US6121828 Demodulator |
| 09/19/2000 | CA2073944C Carrier phase recovery for an adaptive equalizer |
| 09/17/2000 | CA2300726A1 Signal processing circuit for a digital signal receiving system |
| 09/14/2000 | WO2000054473A1 Seamless rate adaptive multicarrier modulation system and protocols |
| 09/14/2000 | WO2000054445A1 Digital broadcast receiver |
| 09/14/2000 | WO2000054431A1 Estimation of doppler shift compensation in a mobile communication system |
| 09/14/2000 | WO2000054423A1 Method for establishing and adapting communication link parameters in xdsl transmission systems |
| 09/14/2000 | WO2000054421A1 Radio terminal device |
| 09/14/2000 | WO2000054210A1 System for contactless serial transmission of data from rapid moving mobile data carriers and preferred uses of said system |
| 09/14/2000 | WO2000036800A3 Transmitter linearization |
| 09/14/2000 | WO2000036799A3 Transmitter linearization |
| 09/14/2000 | DE19907135A1 Modulated signals receiving and demodulating device e.g. for digital-to-binary signals conversion |
| 09/13/2000 | EP1035701A1 Modulator using envelope elimination and restoration by means of look-up tables |
| 09/13/2000 | EP1035700A1 DSL transmission system with means for ensuring local echo orthogonality |
| 09/13/2000 | EP1035699A2 Method for isolating a frequency block from a block formatted signal |
| 09/13/2000 | EP1035698A2 Mutliresolution transmission system |
| 09/13/2000 | EP1035697A2 Multiresolution transmission, in particular for multicarrier systems |
| 09/13/2000 | EP1035696A2 Mutliresolution transmission system |
| 09/13/2000 | EP1035695A2 Multiresolution transmission, particularly for multicarrier systems |
| 09/13/2000 | EP1035694A2 Multiresolution transmission system |
| 09/13/2000 | EP1035693A2 Multiresolution transmission, in particular for multicarrier systems |
| 09/13/2000 | EP1035692A2 Soft decision method and system, and receiver |
| 09/13/2000 | EP1035691A2 DC offset correction using successive approximation |
| 09/13/2000 | EP1035679A2 Signal transmission system |
| 09/13/2000 | EP1035675A1 Signal modulator and receiving control method for the signal modulator |
| 09/13/2000 | EP1035661A2 Correlator for CDMA code acquisition |
| 09/13/2000 | EP1035660A1 Portable communication device |
| 09/13/2000 | EP1034665A1 Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system |
| 09/13/2000 | EP1034645A1 Method for estimating an interference phase shift when receiving a multicarrier signal and corresponding receiver |
| 09/13/2000 | EP1034644A1 Data carrier with at least two demodulators for receiving ask signals of differing modulation index |
| 09/13/2000 | EP1034625A1 Packet-switched spread-spectrum system |
| 09/13/2000 | EP1034617A1 Broadband phase-shifting circuit |
| 09/13/2000 | CN1266578A Method and device for combined measurement of the beginning of data block and carrier frequency shift in multicarrier transmission system in F classes |
| 09/13/2000 | CN1266568A Transmitter |
| 09/13/2000 | CN1266558A Activation of multiple XDSL modems with implicit channel probe |
| 09/13/2000 | CN1266549A Static viterbi detector for channels utilizing code having time varying constraints |
| 09/12/2000 | US6119180 Data terminal with controller for selectively modifying data transmitted to and from |
| 09/12/2000 | US6118987 Radio transmitting apparatus and gain control method for the same based on complex weight coefficients and modulation precision characteristics |
| 09/12/2000 | US6118831 Data demodulator device |
| 09/12/2000 | US6118827 Apparatus for providing increased data rates within existing modulation systems |
| 09/12/2000 | US6118825 Digital data transmission device and method, digital data demodulation device and method, and transmission medium |
| 09/12/2000 | US6118816 Digital transmission system with a trellis-based, reduced-state estimation method |
| 09/12/2000 | US6118805 Method and apparatus for performing frequency hopping adaptation |
| 09/12/2000 | US6118758 Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture |
| 09/12/2000 | US6118567 Efficient encoding and detection method and device for binary intensity modulated optical data signals |
| 09/12/2000 | CA2224572C Radio with peak power and bandwidth efficient modulation |
| 09/11/2000 | CA2296824A1 Successive approximation correction of dc offset in filter-buffer baseband path of data radio |
| 09/08/2000 | WO2000052894A1 Transceiver with usage-based rate adaptation for adsl modem |
| 09/08/2000 | WO2000052893A1 Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (dbpsk) |
| 09/08/2000 | WO2000052892A1 Method of noise cancellation in a signal generated by discrete multi-tone modulation and circuit for carrying out said method |
| 09/08/2000 | WO2000052872A1 Method and device for channel estimation, equalization, and interference suppression |
| 09/08/2000 | WO2000052871A1 Transceiver with adjustable coding gain |
| 09/08/2000 | WO2000052843A1 Spread-spectrum communication device |
| 09/08/2000 | WO2000052818A1 Fm demodulator using a differentiator |
| 09/08/2000 | WO2000052692A1 Digital audio interface signal demodulating device |
| 09/08/2000 | CA2365689A1 Reduced noise sensitivity, high performance fm demodulator circuit and method |
| 09/07/2000 | DE19911438A1 Modulation method for digital transmission in narrow band transmission channels by transferring test sequences as single carrier and selecting a number of channels so that length of symbols in it equal to length of test sequences |