| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 07/23/2002 | US6424680 Interleaving with low-speed memory |
| 07/23/2002 | US6424678 Scalable pattern methodology for multi-carrier communication systems |
| 07/23/2002 | US6424250 Communication system utilizing modified geometric harmonic modulation |
| 07/23/2002 | CA2198270C A process for the optical transmission of numeric data |
| 07/23/2002 | CA2042563C Method and apparatus for transmitting a signal with an offset which follows a received signal |
| 07/18/2002 | WO2002056567A2 Reduced soft output information packet selection |
| 07/18/2002 | WO2002056559A1 Bit interleaved coded modulation (bicm) mapping |
| 07/18/2002 | WO2002056523A2 Method and apparatus to remove effects of i-q imbalances of quadrature modulators and demodulators in a multi-carrier system |
| 07/18/2002 | WO2002056516A1 Communication device and communication system using it |
| 07/18/2002 | WO2002056497A2 Signal processing of an amplitude-modulated and/or phase-modulated high-frequency signal |
| 07/18/2002 | WO2002056491A1 Multiband radio signal transmitter/receiver |
| 07/18/2002 | WO2002055606A1 Foaming compositions and emulsions containing a polymer comprising water-soluble units and lcst units, particularly for cosmetic applications |
| 07/18/2002 | WO2002037672A3 Multiple-voltage supply power amplifier with dynamic headroom control |
| 07/18/2002 | WO2002032066A3 Mode controller for signal acquisition and tracking in an ultra wideband communication system |
| 07/18/2002 | WO2002021785A3 Automatic frequency correction for mobile radio receivers |
| 07/18/2002 | WO2002007401A3 Phase modulator using a frequency synthesizer |
| 07/18/2002 | WO2001047203A3 Modulation using chirp signals, in particular for use in a multipath environment |
| 07/18/2002 | US20020095271 Tri-mode medical telemetry antenna system |
| 07/18/2002 | US20020094783 Space shift keying modulation |
| 07/18/2002 | US20020094055 Unified digital architecture |
| 07/18/2002 | US20020094050 Data modulation method, data modulation device and communication device |
| 07/18/2002 | US20020094049 Frame synchronization in multicarrier transmission systems |
| 07/18/2002 | US20020094037 IF FSK receiver |
| 07/18/2002 | US20020094035 Communication system including a wire network linked with another network via radio waves |
| 07/18/2002 | US20020094034 Radio equipment and peripheral apparatus |
| 07/18/2002 | US20020094017 Method for improving multipath searcher speed |
| 07/18/2002 | US20020093989 Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system |
| 07/18/2002 | US20020093909 Phase modulation multiplexing transmission unit and phase modulation multiplexing method |
| 07/18/2002 | US20020093908 Noise/interference suppression system |
| 07/18/2002 | US20020093378 Amplifier circuit, radio transmitter, method and use |
| 07/17/2002 | EP1223720A1 Method for transmitting and receiving product coded and 16-QAM modulated signals |
| 07/17/2002 | EP1223719A2 Selectable training signals based on previously stored connection information for DMT-based system |
| 07/17/2002 | EP1223718A1 Controllable generator of chaotic signals, and its use in communication |
| 07/17/2002 | EP1223716A2 Waveform generator |
| 07/17/2002 | EP1223701A1 Method for transmitting and receiving product coded QPSK modulated signals |
| 07/17/2002 | EP1223700A1 MC-CDMA transmission system and method with adaptive mapping |
| 07/17/2002 | EP1223687A1 Simplified detection method using spheres in the presence of a low signal-to-noise ratio |
| 07/17/2002 | EP1223681A1 Local oscillation signal supply method and circuit therefor |
| 07/17/2002 | EP1223669A2 Amplitude modulator and process |
| 07/17/2002 | EP1222787A2 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 07/17/2002 | EP1222786A2 Method and transmitter for transmitting radio signals |
| 07/17/2002 | EP1222785A1 Dynamic temperature compensation and stage selection in pilot signal acquisition |
| 07/17/2002 | EP1222764A1 Adaptive modulation system and method for tdma |
| 07/17/2002 | EP1222745A1 Timing recovery circuit in qam modems |
| 07/17/2002 | EP0752185B1 Carrier recovery system for a vestigial sideband signal |
| 07/17/2002 | CN2501259Y Three-frequency shift keying transmitter |
| 07/17/2002 | CN1359579A Method and apparaus of providing adaptive equalization using sign permutation filtering |
| 07/17/2002 | CN1359570A Apparatus of compensating for frequency offset using pilot symbol in an orthogonal frequency division multiplexing system |
| 07/17/2002 | CN1359569A 强健传输模式 Robust transmission mode |
| 07/17/2002 | CN1359562A Radlo receiver and method for preloading an average dc-offset into a channel filter |
| 07/17/2002 | CN1087887C Method for transmitting orthogonal frequency division multiplex signa, apparatus for transmitting signal and apparatus for receiving the signal |
| 07/16/2002 | US6421806 Information transfer method and device, information receiving method and device and network stations using them |
| 07/16/2002 | US6421431 Method and system for voice transmission of a binary data sequence from a piezoelectric transducer |
| 07/16/2002 | US6421403 Baseband equalization of quadrature-phase as well as in-phase synchrodyne results in digital radio receivers |
| 07/16/2002 | US6421401 Method and apparatus for achieving and maintaining symbol synchronization particularly in an OFDM system |
| 07/16/2002 | US6421400 System and method using polar coordinate representation for quantization and distance metric determination in an M-PSK demodulator |
| 07/16/2002 | US6421399 Frequency and phase estimation for MPSK signals |
| 07/16/2002 | US6421398 Modulation system having on-line IQ calibration |
| 07/16/2002 | US6421397 Modulation system having on-line IQ calibration |
| 07/16/2002 | US6421396 Variable rate modulator |
| 07/16/2002 | US6421395 Termination of coded or uncoded modulation with path-oriented decoder |
| 07/16/2002 | US6421394 Computer method and apparatus for modem point slicing |
| 07/16/2002 | US6421393 Technique to transfer multiple data streams over a wire or wireless medium |
| 07/16/2002 | US6421379 Digital filter with adaptive coefficients |
| 07/16/2002 | US6421377 System and method for echo cancellation over asymmetric spectra |
| 07/16/2002 | US6421333 Channel coding and interleaving for transmission on a multicarrier system |
| 07/16/2002 | US6421077 Method and apparatus for detecting co-channel interference and selectively filtering the interference when detected |
| 07/16/2002 | US6420940 Transmitter with a phase modulator and a phase locked loop |
| 07/16/2002 | CA2236282C Automatic gain control circuit |
| 07/16/2002 | CA2066471C Method and apparatus for encoding-decoding a digital signal |
| 07/11/2002 | WO2002054789A2 Apparatus and method for ofdm data communications |
| 07/11/2002 | WO2002054695A1 Demodulator circuit |
| 07/11/2002 | WO2002054693A1 Automatic filter for assymetric digital subscriber line system |
| 07/11/2002 | WO2002054659A1 Transmitter, receiver, and communication method |
| 07/11/2002 | WO2002054619A1 Method for performing link adaption using fuzzy control |
| 07/11/2002 | WO2002054537A1 Carrier interferometry coding and multicarrier processing |
| 07/11/2002 | WO2002053281A1 Method for modifying a fluid, solid and loose medium |
| 07/11/2002 | WO2002041595A3 Method and apparatus for adjusting the phase of a received signal |
| 07/11/2002 | WO2002033875B1 Adaptive modulation for a wireless transmission system |
| 07/11/2002 | WO2001097478A3 Frame synchronization in a multicarrier communication system |
| 07/11/2002 | WO2001091309A3 Device and method for verifying the reception of a signal with a predetermined frequency |
| 07/11/2002 | US20020090962 System and method for interface between a subscriber modem and subscriber premises interfaces |
| 07/11/2002 | US20020090909 Hybrid/fiber coax video and telephony communication system with poly-phase filtering |
| 07/11/2002 | US20020090042 Automatic gain control methods and apparatus suitable for use in OFDM receivers |
| 07/11/2002 | US20020090041 Method and circuit for synchronizing a receiver for a convolutionally coded reception signal |
| 07/11/2002 | US20020090039 Digital subscriber line communicating system and a transceiver in the system |
| 07/11/2002 | US20020090036 Waveform generator |
| 07/11/2002 | US20020090023 Transmitting/receiving system and transmitting/receiving apparatus |
| 07/11/2002 | US20020090021 Method and apparatus for generating complex four-phase sequences for a CDMA communication system |
| 07/11/2002 | US20020089974 Data transport system and process |
| 07/11/2002 | US20020089923 Transmitter, receiver and transmitting method in multi-carrier transmission system |
| 07/11/2002 | US20020089440 Digital GMSK filter |
| 07/11/2002 | US20020089379 Switched supply for operational amplifier |
| 07/11/2002 | DE10063078A1 Data frame receiver especially for mobile telephone switches through signaling data and information data, which are decoded by channel decoding circuit that generates signals indicating error-free decoding |
| 07/10/2002 | EP1221794A1 Method and arrangement to determine a clock timing error in a multi-carrier transmission system |
| 07/10/2002 | EP1221793A2 Channel estimation and data decisions for multicarrier reception |
| 07/10/2002 | EP1221234A2 Method and apparatus for eliminating the effects of frequency offsets in a digital communication system |
| 07/10/2002 | EP1221233A2 Method and circuit for digitally correcting the frequency of a signal |
| 07/10/2002 | EP1221216A2 Improved frame structure for an adaptive modulation wireless communication system |
| 07/10/2002 | EP1221213A1 Method for producing a test signal with a predetermined signal-to-noise ratio on a freely selectable output frequency |