| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 04/11/2000 | US6049257 Method and arrangement for frequency modulation of a high-frequency signal |
| 04/06/2000 | WO2000019730A2 Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system |
| 04/06/2000 | WO2000019699A1 Superposition of data over voice |
| 04/06/2000 | WO2000019676A1 Time-frequency differential encoding for multicarrier system |
| 04/06/2000 | WO2000019674A1 Conversion of gfsk-modulated signals into qpsk-modulated signals |
| 04/06/2000 | WO2000019673A1 Vsb receiver |
| 04/06/2000 | WO2000019645A1 Demodulator for demodulating digital broadcast signals |
| 04/06/2000 | WO2000019617A2 Performing digital subscriber line (dsl) modem communication over an ac link bus |
| 04/06/2000 | WO2000019608A2 Circuit for processing data signals |
| 04/06/2000 | WO2000019600A1 Radio transmitter |
| 04/06/2000 | WO1999056442B1 Transmitter/receiver for gmsk and offset-qam |
| 04/06/2000 | CA2345794A1 Superposition of data over voice |
| 04/06/2000 | CA2345713A1 Time-frequency differential encoding for multicarrier system |
| 04/05/2000 | EP0991280A2 Data symbol counting device, synchronising device and method |
| 04/05/2000 | EP0991239A2 Setting of quantisation levels in multicarrier receivers |
| 04/05/2000 | EP0991238A2 Generation and decoding of multi-carrier signal |
| 04/05/2000 | EP0991237A1 Multicarrier communication method with time-frequency differential encoding |
| 04/05/2000 | EP0991236A2 System and method for estimating the center frequency of a received signal |
| 04/05/2000 | EP0991235A2 Frame synchronization by detection of constellation size |
| 04/05/2000 | EP0991234A1 Digital FSK demodulator |
| 04/05/2000 | EP0991223A1 Method and arrangements for fast transition from a low power state to a full power state in a communication system |
| 04/05/2000 | EP0991221A2 Unequal error protection for digital broadcasting using channel classification |
| 04/05/2000 | EP0991212A2 Receiver for receiving Digital Audio Broadcast (DAB) programmes |
| 04/05/2000 | EP0991210A2 Double side band pilot technique for a control system that reduces distortion produced by electrical circuits |
| 04/05/2000 | EP0991205A2 Automatic power control for a CDMA communications system |
| 04/05/2000 | EP0991202A1 Dsl transmission system with echo-cancellation |
| 04/05/2000 | EP0990340A1 Method of synchronization |
| 04/05/2000 | EP0990334A1 Method for transferring data with a plurality of non-equidistant frequency bands |
| 04/05/2000 | EP0990333A1 Channel coding and interleaving for transmissions on a multicarrier system |
| 04/05/2000 | EP0990324A1 Improved method for partially modulating and demodulating data in a multi-carrier transmission system |
| 04/05/2000 | EP0990320A1 Frequency synchronisation method for a mobile station in a mobile communications system |
| 04/05/2000 | EP0990313A2 Reduced peak-to-average amplitude multichannel link |
| 04/05/2000 | EP0990311A1 ACTIVATION OF MULTIPLE xDSL MODEMS WITH IMPLICIT CHANNEL PROBE |
| 04/05/2000 | EP0990307A1 Channel encoding/decoding apparatus and method for communication system |
| 04/05/2000 | CN1249865A Wireless communication device |
| 04/05/2000 | CN1249864A Receiver apparatus, and associated method, for receiving receive signal transmitted upon channel susceptible to interference |
| 04/05/2000 | CN1249585A Method and device for fast converting from low power state to full power state |
| 04/05/2000 | CN1249579A Method for generating and decoding orthogonal multiple carrier signal |
| 04/04/2000 | US6047308 Modem with integrated control processor and digital signal processor sessions |
| 04/04/2000 | US6047200 Remote wireless unit having reduced power operating mode |
| 04/04/2000 | US6047168 Device and method for radio transmitters |
| 04/04/2000 | US6047033 Apparatus and method for signal timing error detection |
| 04/04/2000 | US6047029 Post-filtered delta sigma for controlling a phase locked loop modulator |
| 04/04/2000 | US6047022 Apparatus and method for transmission of high speed data over communication channels |
| 04/04/2000 | US6047018 Multi-carrier communication method and device |
| 04/04/2000 | US6046775 Recovering data from a vestigial sideband of a standard television signal |
| 04/04/2000 | US6046649 Communication system employing paired power amplifiers and drift compensation feedback control loops |
| 04/04/2000 | US6046643 Radio-frequency signal generator |
| 04/04/2000 | US6046630 π/4 QPSK digital demodulating apparatus and a method thereof |
| 04/04/2000 | US6046629 Method of an apparatus for demodulating amplitude-modulated signals in an amplitude phase shift keying (APSK) system |
| 04/04/2000 | US6046628 Demodulating device comprising a small circuit and a small consumption power |
| 04/04/2000 | US6046618 Phase correction circuit and method therefor |
| 04/04/2000 | CA2174988C Data transmission protocol method and apparatus |
| 03/30/2000 | WO2000018077A1 Radio digital signal receiver |
| 03/30/2000 | WO2000018075A1 Methods and circuits for generating a preemphasis waveform |
| 03/30/2000 | WO2000018056A1 Method and constructions for space-time codes for psk constellations for spatial diversity in multiple-element antenna systems |
| 03/30/2000 | WO2000018048A1 Multicarrier communication device and multicarrier communication method |
| 03/30/2000 | WO2000018021A2 Flexibility enhancement to the modified fast convolution algorithm |
| 03/30/2000 | WO2000018002A1 Multi-carrier transmitting apparatus and method |
| 03/30/2000 | WO1999055025A3 Peak to average power ratio reduction in multicarrier modulation system |
| 03/30/2000 | DE19850050C1 Transmitting data via a channel e.g. of mains power network by measuring transmission characteristics and selecting modulation type accordingly |
| 03/30/2000 | DE19844699A1 Digital signal processing device for frequency demodulation |
| 03/30/2000 | DE19844097A1 Mobile radio communications device |
| 03/30/2000 | CA2311376A1 Multi-carrier communication system and multi-carrier communication method |
| 03/29/2000 | EP0989707A2 Phase estimatiom in carrier recovery for QAM signals |
| 03/29/2000 | EP0989706A1 Clock regeneration circuit |
| 03/29/2000 | EP0989697A1 Multiple antenna home base for digital cordless telephones |
| 03/29/2000 | EP0989668A1 Quadrature output oscillator device |
| 03/29/2000 | EP0988738A1 Apparatus and method for processing a quadrature amplitude modulated (qam) signal |
| 03/29/2000 | EP0857377A4 Embedded data link and protocol |
| 03/29/2000 | CN1249099A Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing |
| 03/29/2000 | CN1249092A Transmitter method and transmission system using adaptive coding based on channel characteristics |
| 03/29/2000 | CN1249082A Method and device for analog signal sampling |
| 03/29/2000 | CN1248867A Master calling number transmission system |
| 03/28/2000 | US6044485 Transmitter method and transmission system using adaptive coding based on channel characteristics |
| 03/28/2000 | US6044119 Frequency control method and circuit employing both reference symbols and information symbols |
| 03/28/2000 | US6044118 Method for adjusting the frequency of an oscillator for a receiver circuit |
| 03/28/2000 | US6044117 Peak clipping circuit provided in a quadrature modulator and a method of clipping peak levels of in-phase and quadrature signals |
| 03/28/2000 | US6044112 Methods and apparatus for correcting amplitude and phase imbalances in demodulators |
| 03/28/2000 | US6044109 Modem signal transmitter, modem signal transmitting method, modem signal receiver, modem signal receiving method, modem signal transmitting/receiving system and modem signal transmitting/receiving method |
| 03/28/2000 | US6044107 Method for interoperability of a T1E1.4 compliant ADSL modem and a simpler modem |
| 03/28/2000 | US6044105 Doppler corrected spread spectrum matched filter |
| 03/28/2000 | US6044067 Transmission rate control method for avoiding interference in radio communications |
| 03/23/2000 | WO2000016506A1 Method and apparatus for am compatible digital broadcasting with a periodic training sequence |
| 03/23/2000 | WO2000016500A1 Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
| 03/23/2000 | WO2000016120A1 Device for receiving signals from satellite radio-navigation systems |
| 03/23/2000 | WO2000016119A1 Method for increasing interference immunity when receiving signals from satellite navigation systems and device for realising the same |
| 03/23/2000 | WO2000008792A3 Frequency shifting using convolution and an nco |
| 03/23/2000 | WO1999066648A9 Wireless phone-line interface |
| 03/23/2000 | WO1999046863A3 Method of performing antenna diversity in a spread spectrum wireless local area network |
| 03/23/2000 | CA2517938A1 Adding dsl services to a digital loop carrier system |
| 03/23/2000 | CA2343900A1 Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
| 03/22/2000 | EP0987865A2 Avoidance of spurious emissions from xDSL transmission |
| 03/22/2000 | EP0987864A1 Time error compensation arrangement and multi-carrier modem comprising the arrangement |
| 03/22/2000 | EP0987863A1 Soft decision method and apparatus for 8PSK demodulation |
| 03/22/2000 | EP0987862A1 Absolute phasing circuit |
| 03/22/2000 | EP0987851A1 Multiple antenna home base for digital cordless telephones |
| 03/22/2000 | EP0987850A2 Two dimensional interleaving for cdma |
| 03/22/2000 | EP0987831A1 Method and apparatus for channel estimation and equalisation in an OFDM radio receiver |
| 03/22/2000 | EP0986884A1 Modulation classification using rssi |