| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 11/24/2004 | CN1549472A Modulating and demodulating apparatus for orthogonal frequency division multiplexing system |
| 11/24/2004 | CN1177427C Multiplex multi-channel communication system and method of signal processing |
| 11/24/2004 | CN1177422C Frequency division multiplexing signal receiving apparatus |
| 11/24/2004 | CN1177421C Digital audio frequency broadcasting receiver |
| 11/23/2004 | US6823488 Packet binary convolutional codes |
| 11/23/2004 | US6823181 Universal platform for software defined radio |
| 11/23/2004 | US6823175 Method for simultaneously measuring the propagating characteristics of a plurality of radioelectric channels |
| 11/23/2004 | US6823071 Frequency modulation multiplex demodulation device |
| 11/23/2004 | US6823026 Apparatus and method for baseband detection |
| 11/23/2004 | US6823025 Amplitude modulation detector |
| 11/23/2004 | US6822546 Transformer arrangement for combined pots and xDSL service |
| 11/23/2004 | US6822508 Communication device, communication method, program, and storage medium |
| 11/23/2004 | US6822489 Semiconductor integrated circuit having fet |
| 11/23/2004 | CA2386477C Feedback compensation detector for a direct conversion transmitter |
| 11/23/2004 | CA2360909C System and method for generating signal waveforms in a cdma cellular telephone system |
| 11/23/2004 | CA2357916C Adaptive antenna array for mobile communication |
| 11/23/2004 | CA2250330C Balanced transversal i,q filters for quadrature modulators |
| 11/23/2004 | CA2139238C Quantized coherent rake receiver |
| 11/18/2004 | WO2004100577A1 Cellular network system and method |
| 11/18/2004 | WO2004100537A1 Carrier recovery based demodulation |
| 11/18/2004 | WO2004100483A1 Polar modulation transmitter |
| 11/18/2004 | WO2004100482A1 Arrangement and method for the digital pre-distortion of a complex baseband input signal |
| 11/18/2004 | WO2004100480A1 Signaling for bit allocation in a wireless lan |
| 11/18/2004 | WO2004100477A1 Method and apparatus for reducing discrete power spectral density components in a multiband wideband communication system |
| 11/18/2004 | WO2004100472A1 Channel estimation for a cdma system using pilot symbols |
| 11/18/2004 | WO2004100434A2 A transform-based alias cancellation multi-channel tuner |
| 11/18/2004 | WO2004100423A2 Method and wireless device employing a preamble to initiate communications |
| 11/18/2004 | WO2004100416A1 Cross-system interference cancellation for multicarrier cdma and ofdm |
| 11/18/2004 | WO2004100413A1 Demodulation device and demodulation method |
| 11/18/2004 | WO2004100412A1 Method for the spectral configuration of signals modulated by means of orthogonal frequency division multiplexing (ofdm) for an electrical network |
| 11/18/2004 | US20040230393 Fast calibration of electronic components |
| 11/18/2004 | US20040229625 Methods and apparatus of enhanced coding in multi-user communication systems |
| 11/18/2004 | US20040229589 Reduced local oscillator feedthrough quadrature image reject mixer |
| 11/18/2004 | US20040229588 Receiving diversity apparatus and method of mobile station for high data rate type mobile communication system |
| 11/18/2004 | US20040229584 Telecommunications receiver and a transmitter |
| 11/18/2004 | US20040229581 Diversity receiver and diversity receiving method |
| 11/18/2004 | US20040229562 Method and apparatus for ODU to IDU telemetry interface and VSAT systems |
| 11/18/2004 | US20040228635 Optical transmission systems, devices, and method |
| 11/18/2004 | US20040228488 Secure modulation and demodulation |
| 11/18/2004 | US20040228427 Timing recovery loop with non-integer length |
| 11/18/2004 | US20040228419 Non-systematic and non-linear PC-TCM (Parallel Concatenate Trellis coded modulation) |
| 11/18/2004 | US20040228418 Channel decoding for multicarrier signal transmission by means of DC-offset and carrier-frequency offset-dependent weighting of reliability information |
| 11/18/2004 | US20040228417 Communication system with adaptive channel correction |
| 11/18/2004 | US20040228392 Fourier-transform based linear equalization for MIMO CDMA downlink |
| 11/18/2004 | US20040228391 Phase, frequency and gain characterization and mitigation in SCDMA burst receiver using multi-pass processing |
| 11/18/2004 | US20040228390 Method of frequency and phase offset estimation using least square method in a burst receiver |
| 11/18/2004 | US20040228330 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 11/18/2004 | US20040228283 Power control and scheduling in an OFDM system |
| 11/18/2004 | US20040228273 Transmitting/receiving apparatus, method, program, recoding medium, and integrated circuit used in communication network |
| 11/18/2004 | US20040228272 OFDM receiving method and OFDM receiving apparatus |
| 11/18/2004 | US20040228271 Frequency-division multiplexing system and method for communication having enhanced reliability in fading environments |
| 11/18/2004 | US20040228270 Method of processing an OFDM signal and OFDM receiver using the same |
| 11/18/2004 | US20040228267 Fast frequency hopping with a code division multiplexed pilot in an OFDMA system |
| 11/18/2004 | DE19944054B4 Anordnung zum Analysieren der nichtlinearen Eigenschaften eines Kommunikationskanals Means for analyzing the nonlinear characteristics of a communication channel |
| 11/18/2004 | DE10317119A1 Verfahren, Funksende-/Funkempfangsvorrichtung, Mobiles Endgerät sowie Basisstation zur Datenübertragung in einem Mehrträgersystem Method, radio transmitting / radio receiving apparatus, mobile terminal and base station for data transmission in a multi-carrier system |
| 11/18/2004 | DE10234823B4 Verfahren zur Aufteilung der Bitrate von QPSK-Signalen in zwei oder mehrere Teilkanäle Mechanism for sharing the bit rate of QPSK signals into two or more sub-channels |
| 11/18/2004 | CA2522992A1 Method for the spectral configuration of signals modulated by means of orthogonal frequency division multiplexing (ofdm) for an electrical network |
| 11/17/2004 | EP1478151A1 Frequency-division multiplexing system and method for communication having enhanced reliability in fading environments |
| 11/17/2004 | EP1478150A2 Symbol timing recovery for multicarrier reception |
| 11/17/2004 | EP1478149A2 Multicarrier receiver |
| 11/17/2004 | EP1478148A1 Wireless multicarrier communication method with dynamic allocation of frequency width and number of subbands |
| 11/17/2004 | EP1478147A2 QPSK demodulation with soft outputs for third generation TDD systems |
| 11/17/2004 | EP1478146A1 Reception of two uncorrelated signals which have been transmitted over a single channel |
| 11/17/2004 | EP1478145A1 Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus |
| 11/17/2004 | EP1478097A1 Direct conversion receiver comprising DC offset reducing system and transmitter |
| 11/17/2004 | EP1477006A1 Method and apparatus for performing signal correlation |
| 11/17/2004 | EP1477005A1 I/q mismatch compensation in an ofdm receiver in presence of frequency offset |
| 11/17/2004 | EP1477004A1 Frequency modulator for digital transmissions |
| 11/17/2004 | EP1477003A1 Highly integrated adsl circuit |
| 11/17/2004 | EP1477002A1 Dsp-based variable aperture code generation technique |
| 11/17/2004 | EP1476999A1 Method and apparatus for implementing adaptive tomlinson-harashima precoding in a digital data link |
| 11/17/2004 | EP1476978A2 Asymmetric digital subscriber line modem apparatus and methods therefor |
| 11/17/2004 | EP1476974A2 3g radio |
| 11/17/2004 | EP1476939A2 Method for adjusting a two-level modulator and two-level modulator with an adjusting device |
| 11/17/2004 | EP1190507B1 Receiver for two orthagonally polarised signals |
| 11/17/2004 | EP0951751B1 Synchronous demodulator |
| 11/17/2004 | CN1547834A 鉴频器 Discriminator |
| 11/17/2004 | CN1547833A Method and apparatus for acquiring and tracking pilots in a CDMA communication system |
| 11/17/2004 | CN1547818A Wireless transmitter, wireless receiver, and method thereof |
| 11/17/2004 | CN1547817A Receiving method and apparatus for estimating quality of reception, and communication system utilizing the receiving apparatus |
| 11/17/2004 | CN1547816A Method of data retransmission in multi-carrier transmission and communication apparatus having data retransmission control device |
| 11/17/2004 | CN1547815A Transmission method, transmission apparatus, and reception apparatus |
| 11/17/2004 | CN1547813A Physical layer automatic repeat request (arq) |
| 11/17/2004 | CN1547808A Improvements in or relating to frequency-hopping modulators and demodulators |
| 11/17/2004 | CN1547806A Method and system for routing in low density parity check (ldpc) decoders |
| 11/17/2004 | CN1176542C Method for signal interference detection |
| 11/16/2004 | US6819723 Digital FM demodulator with reduced quantization noise |
| 11/16/2004 | US6819721 Limiting method and limiter apparatus |
| 11/16/2004 | US6819719 Method to transfer trellis code modulated digital data over a digital subscriber line, and related modulator and demodulator devices |
| 11/16/2004 | US6819710 Integrated modem and line-isolation circuitry and associated method having intrusion detection |
| 11/16/2004 | US6819708 OCQPSK modulator and modulating method using 1-bit input FIR filter |
| 11/16/2004 | US6819706 Control device for controlling power level between frequency assignment in radio frequency receiving device of mobile radio communication base station system in CDMA system |
| 11/16/2004 | US6819273 Digital-analog-conversion circuit having function of automatic offset adjustment |
| 11/16/2004 | US6819194 Tunable voltage-controlled temperature-compensated crystal oscillator |
| 11/11/2004 | WO2004098140A1 Method of demodulating ofdm-type signals in the presence of strong co-channel interference signals |
| 11/11/2004 | WO2004098139A1 A multi-modulation transmitting method |
| 11/11/2004 | WO2004057821A8 System and method for communicating digital information using time-and-frequency-bounded base functions |
| 11/11/2004 | WO2004038984A3 Mimo system with multiple spatial multiplexing modes |
| 11/11/2004 | WO2004034564A3 Trimming of a two point phase modulator |
| 11/11/2004 | US20040224657 Radio reception apparatus and reception filtering method |