| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 04/10/2001 | US6215833 Digital signal processing circuit |
| 04/10/2001 | US6215830 Carrier control loop for a receiver of digitally transmitted signals |
| 04/10/2001 | US6215828 Signal transformation method and apparatus |
| 04/10/2001 | US6215827 System and method for measuring channel quality information in a communication system |
| 04/10/2001 | US6215819 Receiving apparatus and receiving method |
| 04/10/2001 | US6215813 Method and apparatus for encoding trellis coded direct sequence spread spectrum communication signals |
| 04/10/2001 | US6215778 Bearer channel modification system for a code division multiple access (CDMA) communication system |
| 04/10/2001 | US6213402 Data carrier for contactless reception of data and energy, and a method of operating such a data carrier |
| 04/05/2001 | WO2001024538A2 Method for detection of given frequency components |
| 04/05/2001 | WO2001024472A1 Transmitting-receiving device comprising a closed cartesian feedback loop |
| 04/05/2001 | WO2001024470A1 Method for transmitting an offset modulated biorthogonal multicarrier signal (bfdm/om) |
| 04/05/2001 | WO2001024469A1 Method and system for estimating input power in a cable modem network |
| 04/05/2001 | WO2001024467A2 Method for adjusting a phase angle of a phase modifier of a transmitting device |
| 04/05/2001 | WO2001024410A1 System and method for compensating timing error using pilot symbol in ofdm/cdma communication system |
| 04/05/2001 | WO2001024390A1 Transmitter/receiver |
| 04/05/2001 | WO2001024389A1 Communication system with end-to-end quadrature balance control |
| 04/05/2001 | DE19946433A1 Verfahren zur Detektion vorgegebener Frequenzkomponenten A method for detecting a predetermined frequency component |
| 04/05/2001 | DE19944054A1 Anordnung zum Analysieren der nichtlinearen Eigenschaften eines Kommunikationskanals Means for analyzing the nonlinear characteristics of a communication channel |
| 04/04/2001 | EP1089513A1 Frequency characteristic compensator for OFDM |
| 04/04/2001 | EP1089512A1 Telecommunication device with analog fourier transformation unit |
| 04/04/2001 | EP1089511A2 Multi-client ADSL modem |
| 04/04/2001 | EP1089510A2 Data transmission method and apparatus utilising an OFDM system |
| 04/04/2001 | EP1089509A2 Uplink demodulator scheme for satellites |
| 04/04/2001 | EP1089480A2 Radio communication system, radio communication method, radio base station, and radio terminal station |
| 04/04/2001 | EP1089468A1 Method for the transmission of user data and control data on the channels of a transmission network |
| 04/04/2001 | EP1089457A2 Data-aided and phase-independent adaptive equalization for data transmission systems |
| 04/04/2001 | EP1089451A1 Channel estimating device and method, demodulating device and method, and fading frequency determining device and method |
| 04/04/2001 | EP1089446A1 Radio terminal device |
| 04/04/2001 | EP1089445A1 Three port structure with modulated LO signal |
| 04/04/2001 | EP1089429A2 Automatic gain control circuit and receiver having the same |
| 04/04/2001 | EP1088432A1 Method and device for wireless data transmission according to an fsk method, especially a gfsk method |
| 04/04/2001 | EP1088400A1 System and method for narrowing the range of frequency uncertainty of a doppler shifted signal |
| 04/04/2001 | EP0941582A4 Method for correcting errors from a jamming signal in a frequency hopped spread spectrum communication system |
| 04/04/2001 | EP0928514A4 Receiver capable of demodulating multiple digital modulation formats |
| 04/04/2001 | EP0688483B1 A digital communication system and a receiver for use in such a system |
| 04/04/2001 | CN1290430A Radio receiver for digitizing received signal at a plurality of digitization frequencies |
| 04/04/2001 | CN1290091A Modem for asymmetric multi-client digital user circulation lines |
| 04/04/2001 | CN1290080A Radio communication system, method, base station and terminals |
| 04/04/2001 | CN1290065A Orthogonal modulator with integrated distributive resistance-capacitance filter |
| 04/04/2001 | CN1290064A Orthogonal modulator with integrated distributive resistance-capacitance filter |
| 04/03/2001 | US6212661 Static viterbi detector for channels utilizing a code having time varying constraints |
| 04/03/2001 | US6212263 5 volts single power supply ADSL analog front end design |
| 04/03/2001 | US6212241 Digital modulated signal receiver |
| 04/03/2001 | US6212239 Chaotic dynamics based apparatus and method for tracking through dropouts in symbolic dynamics digital communication signals |
| 04/03/2001 | US6212229 Adaptive pre-emphasis technique |
| 04/03/2001 | US6212228 Apparatus for modulation and demodulating digital data |
| 04/03/2001 | US6212201 Method and apparatus for dynamic allocation of transmission bandwidth resources and for transmission of multiple audio signals with a video signal |
| 04/03/2001 | US6212174 Capacity management method for a code division multiple access (CDM) communication system |
| 04/03/2001 | CA2197262C Shared hybrid fiber-coax network having reduced ingress noise |
| 04/03/2001 | CA2059455C Device for the coherent demodulation of time-frequency interlaced digital data, with estimation of the frequency response of the transmission channel and threshold, and corresponding transmitter |
| 03/29/2001 | WO2001022676A1 Block joint source-channel coding |
| 03/29/2001 | WO2001022675A1 Estimation of doppler shift in several steps |
| 03/29/2001 | WO2001022674A1 Radio transmitter architecture comprising a pll and a delta-sigma modulator |
| 03/29/2001 | WO2001022673A2 Method and transmitter for transmitting radio signals |
| 03/29/2001 | WO2001022635A1 Communication method and communication device |
| 03/29/2001 | WO2001022605A1 Local oscillation signal supply method and circuit therefor |
| 03/29/2001 | WO2001022117A1 System for detecting mobile receivers, using digital telebroadcasts transmission of a ground transmitter network |
| 03/29/2001 | WO2000054421A9 Radio terminal device |
| 03/29/2001 | DE19945280A1 Digital transmission system transmits phase information differentially and amplitude information non-differentially |
| 03/29/2001 | DE19945273A1 Verfahren zur Messung mindestens einer Eigenschaft eines Übertragungskanals und Sende-/Empfangsstationen zur Durchführung des Verfahrens A method for measuring at least one characteristic of a transmission channel, and transmitting / receiving stations for carrying out the method |
| 03/29/2001 | DE19934215C1 Quadrature mixer for HF transmission applications uses analogue demodulator providing feedback signal used for evaluation and correction of offset error for each quadrature component |
| 03/29/2001 | CA2349164A1 Method and device for communication |
| 03/28/2001 | EP1087587A1 Method for measuring at least one characteristic of a transmission channel, transmitter and receiver using this method |
| 03/28/2001 | EP1087586A2 Bit loading process for multicarrier communications |
| 03/28/2001 | EP1087585A2 Identification of a terrestrial repeater using inactive subcarriers of a multicarrier signal |
| 03/28/2001 | EP1087584A2 Self-synchronizing convolutional interleaving for multicarrier transmission, particularly for DAB |
| 03/28/2001 | EP1087583A2 Differential coding in the frequency domain, for multicarrier transmission |
| 03/28/2001 | EP1087582A2 Coarse and fine frequency offset estimation in a digital audio broadcasting system |
| 03/28/2001 | EP1087560A1 Multiplex transmission device of cdma system and multiplex transmission method of cdma system |
| 03/28/2001 | EP1087559A1 Canceller for jamming wave by interference |
| 03/28/2001 | EP1087536A1 Mobile communication terminal |
| 03/28/2001 | EP1086559A2 Burst structure for multicarrier transmission, and synchronisation of bursts, symbols and freqeuency |
| 03/28/2001 | EP1086554A2 Collision handling scheme for discrete multi-tone data communications network |
| 03/28/2001 | EP1086546A2 Method of selecting synchronization pattern from a test signal |
| 03/28/2001 | EP1086544A1 Timing method for a discrete multi-tone transmission system |
| 03/28/2001 | EP0826282B1 Data adapter |
| 03/28/2001 | CN1289496A Receiver |
| 03/28/2001 | CN1289466A Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
| 03/28/2001 | CN1289196A Radio data transmission equipment and encoding method |
| 03/27/2001 | US6208701 Synchronizing apparatus |
| 03/27/2001 | US6208699 Method and apparatus for detecting zero rate frames in a communications system |
| 03/27/2001 | US6208698 Quadrature modulator imbalance estimator and modulator stage using it |
| 03/27/2001 | US6208696 Low power density radio system |
| 03/27/2001 | US6208695 Method for reception of multicarrier signals and related apparatus |
| 03/27/2001 | US6208669 Method and apparatus for mobile data communication |
| 03/27/2001 | US6208617 Channel tracking in a mobile receiver |
| 03/27/2001 | US6208217 Ask modulator with frequency dependent voltage divider |
| 03/27/2001 | US6208201 Recovery of a carrier signal from a modulated input signal |
| 03/27/2001 | CA2238329C Apparatus and method for demodulating a modulated signal |
| 03/22/2001 | WO2001020866A1 Method and apparatus for rotating a phase of a modulated signal |
| 03/22/2001 | WO2001020865A1 Multicarrier system with dynamic switching between active application sets |
| 03/22/2001 | WO2001020864A1 Multicarrier system with stored application profiles for supporting multiple applications |
| 03/22/2001 | WO2001020863A1 Method and apparatus for carrier phase tracking |
| 03/22/2001 | WO2001020860A1 Receiver with orthogonal frequency distribution multiplexing having iterative channel estimation and corresponding method |
| 03/22/2001 | WO2001020841A1 Technique for demodulating a linear modulated data signal in a communications system |
| 03/22/2001 | WO2001020834A1 Method and apparatus for encoding of trellis coded direct sequence spread spectrum communication signals |
| 03/22/2001 | WO2001020831A1 Ofdm communication device and detecting method |
| 03/22/2001 | WO2001020823A1 Arrangement for analysing the non-linear properties of a communications channel |
| 03/22/2001 | WO2001020800A1 Method and apparatus for demodulating trellis coded direct sequence spread spectrum communication signals |
| 03/22/2001 | WO2001020794A1 xDSL MODEM HAVING DMT SYMBOL BOUNDARY DETECTION |