| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 09/26/2001 | CN1315075A Control of power ratios for in-phase and quadrature channels in a communications system |
| 09/26/2001 | CN1314759A Demodulator, receiver, and communication system |
| 09/26/2001 | CN1314747A Up-line circuit timing synchronization and put-in control for multi-way put-in radio communication system |
| 09/26/2001 | CN1071967C Transmitter apparatus for mobile satellite communication terminal |
| 09/26/2001 | CN1071966C Phase error canceller for QPSK signals using unique word detector |
| 09/26/2001 | CN1071964C QPSK demodulator for obtg. phase by arithmetic operation |
| 09/25/2001 | US6295473 Digital delay line receiver for use with an implantable medical device |
| 09/25/2001 | US6295343 Method and apparatus for combining voice line card and xDSL line card functions |
| 09/25/2001 | US6295317 Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal |
| 09/25/2001 | US6295314 Method and apparatus for partitioning a modem between non-real-time and real-time processing environments |
| 09/25/2001 | US6295273 Phase modulation multiplexing transmission unit and phase modulation multiplexing method |
| 09/25/2001 | US6294992 High power control signal transmission and low power data signal transmission in a wireless security system |
| 09/25/2001 | US6294960 Phase lock loop circuit using signal estimator |
| 09/25/2001 | US6294952 Quadrature demodulator quadrature demodulation method and recording medium |
| 09/25/2001 | CA2170344C Signal processing system |
| 09/22/2001 | CA2341847A1 Method and system for carrier recovery |
| 09/22/2001 | CA2302004A1 Method and system for achieving carrier frequency synchronization in a high speed receiver |
| 09/22/2001 | CA2301970A1 Method and system for high speed equalization |
| 09/21/2001 | CA2301480A1 Broadband wireless modem |
| 09/20/2001 | WO2001069880A1 I/q modulator with carrier predistortion |
| 09/20/2001 | WO2001069879A1 Digital i/q modulator having a predistorsion |
| 09/20/2001 | WO2001069878A1 Method of selecting a position of a fft window in a cofdm receiver |
| 09/20/2001 | WO2001069877A1 Transmission gain regulating method and radio device |
| 09/20/2001 | WO2001069876A1 Compensation of mismatch in quadrature devices |
| 09/20/2001 | WO2001069847A2 Data transmission method, terminal equipment and data transmission system |
| 09/20/2001 | WO2001069826A1 Radio communication apparatus and radio communication method |
| 09/20/2001 | WO2001069777A2 Assembly and method for compensating the offset of a mixer |
| 09/20/2001 | WO2001031891A3 Method for processing a sinusoidal transmission signal |
| 09/20/2001 | US20010022821 Amplitude deviation correction circuit |
| 09/20/2001 | US20010022818 Work machine control system |
| 09/20/2001 | US20010022813 Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
| 09/20/2001 | US20010022810 Discrete multi-tone processor in asymmetric digital subscriber line modem |
| 09/20/2001 | US20010022790 Method of, and receiver for, detecting the presence of data |
| 09/20/2001 | US20010022777 Peak to average power ratio reduction in communication systems |
| 09/20/2001 | US20010022532 Phase and amplitude detector and method of determining errors |
| 09/20/2001 | DE10012538C1 Digital I/Q modulator with pre-distortion, e.g. for broadcast radio transmitter, forms I and Q pre-distortion components from difference between I and Q signals and additional pre-distortion values |
| 09/20/2001 | DE10011303A1 Intercom system for apartments, has interface that connects with three different signal transmission devices which transmit signal between door and apartment stations |
| 09/20/2001 | CA2341634A1 Method and system for configuring an air interface in a modem |
| 09/20/2001 | CA2301440A1 Method and system for configuring an air interface in a modem |
| 09/19/2001 | EP1134946A2 Multiple-symbol differential detection |
| 09/19/2001 | EP1134945A1 Method to determine a channel characteristic, and discrete wavelet transmitter and receiver to perform the method |
| 09/19/2001 | EP1134928A1 Method and apparatus for symbol timing recovery for phase modulated signals |
| 09/19/2001 | EP1134889A1 Apparatus to compensate the input-offset of a mixer, and method |
| 09/19/2001 | EP1133859A1 Multistandard dmt dsl transmission system |
| 09/19/2001 | EP1133858A2 Bit allocation among carriers in multicarrier communications |
| 09/19/2001 | EP1133856A1 I/q digital demodulator in integrated circuit technology |
| 09/19/2001 | EP1133843A1 Method and apparatus for spreading and despreading data in a spread-spectrum communication system |
| 09/19/2001 | EP1133841A1 System and method for compensating timing error using pilot symbol in ofdm/cdma communication system |
| 09/19/2001 | EP1133835A1 Processing signals of different data rates |
| 09/19/2001 | EP0883953A4 Radio with peak power and bandwidth efficient modulation |
| 09/19/2001 | CN2449418Y Digital multi-channel distortion self-adaptive receiver |
| 09/19/2001 | CN1314039A Methods and apparatus for providing robust synchronization of radio transceivers |
| 09/19/2001 | CN1314034A Method for forming a training sequence |
| 09/19/2001 | CN1314033A Method, apparatus and system for determing location of frequency synchronization signal |
| 09/19/2001 | CN1313695A Transmitter and method for producing transmitting signals |
| 09/19/2001 | CN1313684A Time signal reproducing circuit and method |
| 09/19/2001 | CN1071525C Blind equalizer for vestigial sideband signal |
| 09/18/2001 | US6292917 Unequal error protection for digital broadcasting using channel classification |
| 09/18/2001 | US6292655 Selective calling radio-receiver and method of receiving selective calling radio signal |
| 09/18/2001 | US6292654 Digital noise blanker for communications systems and methods therefor |
| 09/18/2001 | US6292651 Communication system with multicarrier transport distribution network between a head end terminal and remote units |
| 09/18/2001 | US6292559 Spectral optimization and joint signaling techniques with upstream/downstream separation for communication in the presence of crosstalk |
| 09/18/2001 | US6292518 Use of 64-QAM circuitry for receiving and decoding 8-VSB signals |
| 09/18/2001 | US6292515 Dual mode bit and gain loading circuit and process |
| 09/18/2001 | US6292511 Method for equalization of complementary carriers in an AM compatible digital audio broadcast system |
| 09/18/2001 | US6292509 Data-communication apparatus and method for modulation or demodulation in specified mode |
| 09/18/2001 | US6292462 Multicarrier modulation |
| 09/18/2001 | US6292126 Quantizer that uses optimum decision thresholds |
| 09/18/2001 | US6292067 Ask modulator and communication device using the same |
| 09/18/2001 | US6292051 Architecture of non-synchronous open loop demodulation circuit in pulse position modulation |
| 09/18/2001 | CA2194972C Frame synchronization in multicarrier transmission systems |
| 09/13/2001 | WO2001067702A1 Adaptive downstream modulation scheme for broadband wireless access systems |
| 09/13/2001 | WO2001067701A1 Method of, and receiver for, detecting the presence of data |
| 09/13/2001 | WO2001067700A1 Method of, and radio terminal for, detecting the presence of a 2-fsk signal |
| 09/13/2001 | WO2001067698A1 Preamble receiving device and preamble receiving method |
| 09/13/2001 | WO2001067617A2 Method and apparatus for computing soft decision input metrics to a turbo decoder |
| 09/13/2001 | WO2001067612A1 Data clocked recovery circuit |
| 09/13/2001 | WO2001067598A1 Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 09/13/2001 | WO2001067593A2 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 09/13/2001 | WO2001017117A3 Channel encoding and decoding method and apparatus |
| 09/13/2001 | WO2000042440A9 Method and apparatus for selectively controlling the quantum state probability distribution of entangled quantum objects |
| 09/13/2001 | WO1997016001A3 Detection method for a modulation system with a continuous phase |
| 09/13/2001 | US20010021250 Method and device for echo cancelling |
| 09/13/2001 | US20010021234 Portable radio device with direct conversion receiver including mixer down-converting incoming signal, and demodulator operating on downconverted signal |
| 09/13/2001 | US20010021232 DC-offset eliminating method and receiving circuit |
| 09/13/2001 | US20010021230 Current-controlled carrier tracking filter for improved spurious signal suppression |
| 09/13/2001 | US20010021228 Signal transmission system and signal transmission apparatus |
| 09/13/2001 | US20010021219 xDSL transceiver |
| 09/13/2001 | US20010021185 Data transmission method, terminal equipment and data transmission system |
| 09/13/2001 | US20010020907 Method and apparatus for a pulse decoding communication system using multiple receivers |
| 09/13/2001 | US20010020866 Digital demodulator |
| 09/13/2001 | DE19928497C2 Verfahren zum Empfangen von digitalen Funksignalen über Funkkanäle und Empfangsvorrichtung zum Empfangen von digitalen Funksignalen über Funkkanäle A method for receiving digital radio signals via radio channels and receiving apparatus for receiving digital radio signals over radio channels |
| 09/13/2001 | DE10012003A1 Sender und Verfahren zum Erzeugen eines Sendesignals Transmitter and method for generating a transmit signal |
| 09/13/2001 | DE10011061A1 Sender und Verfahren zum Erzeugen eines Sendesignals Transmitter and method for generating a transmit signal |
| 09/13/2001 | CA2402468A1 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
| 09/12/2001 | EP1133128A1 Demodulator |
| 09/12/2001 | EP1133127A2 Transmitter, and method, for the generation of transmission signals |
| 09/12/2001 | EP1133126A2 Removal of distortion in quadrature modulation |
| 09/12/2001 | EP1133098A1 Method for the synchronisation of a DPSK modulated signal |
| 09/12/2001 | EP1133093A1 Ofdm communication device and detecting method |