| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 10/17/2001 | EP1145449A2 Hardware-efficient transceiver with delta-sigma digital-to-analog converter |
| 10/17/2001 | EP1025731A4 Radio transmission from a communication station with an antenna array to provide a desirable radiation pattern |
| 10/17/2001 | EP0998783B1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal |
| 10/17/2001 | EP0938782B1 Method of transmission and device to carry out said method |
| 10/17/2001 | EP0801848B1 Frequency synthesizer |
| 10/17/2001 | CN1318243A Radio digital signal receiver |
| 10/17/2001 | CN1317903A Time domain synchronized orthogonal frequency-division complex modulation method |
| 10/17/2001 | CN1317902A Orthogonal frequency-division multiplex multi-carrier modulation method for digital television signals |
| 10/17/2001 | CN1317901A Co-clock timing method for signal interference detection |
| 10/17/2001 | CN1317889A 接收装置 Receiver |
| 10/16/2001 | US6304620 Sign-cross product automatic frequency control loop |
| 10/16/2001 | US6304614 Differential codec for pragmatic PSK TCM schemes |
| 10/16/2001 | US6304611 OFDM modulator and OFDM modulation method for digital modulated wave having guard interval |
| 10/16/2001 | US6304597 Integrated modem and line-isolation circuitry with selective modem processing and associated method |
| 10/16/2001 | US6304594 Interference detection and avoidance technique |
| 10/16/2001 | US6304593 Adaptive modulation scheme with simultaneous voice and data transmission |
| 10/16/2001 | US6304592 Coherent detection using matched filter enhanced spread spectrum demodulation |
| 10/16/2001 | US6304545 Method and circuit arrangement for the correction of phase and/or frequency errors in digital multicarrier signals |
| 10/16/2001 | US6304139 Transmitter adjusting output power |
| 10/16/2001 | US6304136 Reduced noise sensitivity, high performance FM demodulator circuit and method |
| 10/13/2001 | CA2307473A1 The tachyon transceiver |
| 10/12/2001 | CA2344014A1 Method and system for broadcasting a digital data signal within an analog tv signal using orthogonal frequency division multiplexing |
| 10/11/2001 | WO2001076219A1 System and method for programmable spectrum management |
| 10/11/2001 | WO2001076169A1 Device for producing a phase and amplitude modulated radio frequency signal |
| 10/11/2001 | WO2001076168A2 Method to compensate for phase errors in multi-carrier signals |
| 10/11/2001 | WO2001076167A2 Sequential quadrant demodulation of digitally modulated radio signals |
| 10/11/2001 | WO2001076118A2 Transmission of stationary signals in quiescent mode |
| 10/11/2001 | WO2001076114A1 Signal processor for multiplex communication system and signal processing method therefor |
| 10/11/2001 | WO2001076110A2 Method and apparatus for measuring channel state information |
| 10/11/2001 | WO2001076101A1 Radio |
| 10/11/2001 | WO2001076097A1 Method and apparatus for automatic frequency control and demodulator |
| 10/11/2001 | WO2001050695A8 Method for equalizing data received |
| 10/11/2001 | WO2001047204A8 Correction of a sampling frequency offset in an orthogonal frequency division multiplexing system by sidelobe analysis of pilot subcarriers |
| 10/11/2001 | WO2001041313A8 Forward error correction with channel adaptation |
| 10/11/2001 | WO2001024538A3 Method for detection of given frequency components |
| 10/11/2001 | WO2000079717A8 Communication system and communication method |
| 10/11/2001 | WO2000003552A3 Communication system with reduced power variation and method therefor |
| 10/11/2001 | US20010029171 Radio communication apparatus and radio frequency correcting method |
| 10/11/2001 | US20010028692 Digital radio frequency interference canceller |
| 10/11/2001 | US20010028687 Method and apparatus for generating transmission signal by processing which includes digital quadrature modulation |
| 10/11/2001 | US20010028684 Multilevel coding with unequal error protection and time diversity for bandwidth efficient transmission |
| 10/11/2001 | US20010028678 Method and device for communication |
| 10/11/2001 | US20010028675 Integrated beamforming/rake/mud CDMA receiver architecture |
| 10/11/2001 | US20010028630 Methods and apparatus for robust and low-complexity QAM modulation |
| 10/11/2001 | US20010028320 Isolation system with analog communication across an isolation barrier |
| 10/11/2001 | US20010028275 Gain control device for packet signal receiver |
| 10/11/2001 | US20010028271 Line driver |
| 10/11/2001 | EP1145573A3 Communication system with reduced power variation and method therefor |
| 10/11/2001 | CA2690247A1 Method and apparatus for measuring and reporting channel state information in a high efficiency, high performance communications system |
| 10/11/2001 | CA2690245A1 Method and apparatus for measuring and reporting channel state information in a high efficiency, high performance communications system |
| 10/10/2001 | EP1143690A2 Method and apparatus for adaptive data allocation in a multicarrier communication system |
| 10/10/2001 | EP1143678A2 Synchronisation in a multicarrier broadcast receiver |
| 10/10/2001 | EP1143677A2 Quadrature modulation |
| 10/10/2001 | EP1143675A1 Method for demodulating frequency shift keying (FSK) signals and a FSK demodulator |
| 10/10/2001 | EP1143674A2 Frequency shift examination in a CDMA receiver |
| 10/10/2001 | EP1143653A2 Multilevel coding with unequal error protection and time diversity for bandwidth efficient transmission |
| 10/10/2001 | EP1143625A1 Communication device and communication method |
| 10/10/2001 | EP1142251A1 Computer method and apparatus for modem point slicing |
| 10/10/2001 | EP1142250A2 Power i-q modulation systems and methods using predistortion circuit |
| 10/10/2001 | EP1142249A1 Method for optimisation of dsl communications |
| 10/10/2001 | EP1142248A1 Method for transmitting data blocks without prefix in the guard interval, said data blocks are demodulated by means of fft with a length greater or equal the symbol period |
| 10/10/2001 | EP1142247A1 Method for suppressing narrow frequency bands |
| 10/10/2001 | EP1142246A1 Receiver and method for avoiding intersymbol interference in a high speed transmission system |
| 10/10/2001 | EP1142245A1 Ofdm receiver with adaptive equaliser |
| 10/10/2001 | EP1142244A1 Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols |
| 10/10/2001 | EP1142243A1 Power-line digital communication system |
| 10/10/2001 | EP1142188A1 Optical communications networks utilizing frequency division multiplexing |
| 10/10/2001 | EP1142177A1 Data communication apparatus and method in multi-carrier cdma communication system |
| 10/10/2001 | EP1142172A1 Method and communications assembly for transferring information by using a multi-carrier method |
| 10/10/2001 | EP1142171A1 Adaptive pre-emphasis technique |
| 10/10/2001 | EP1142160A1 AN ADAPTIVE DIGITAL BEAMFORMING RECEIVER WITH $g(p)/2 PHASE SHIFT TO IMPROVE SIGNAL RECEPTION |
| 10/10/2001 | EP1142153A1 Channel estimation in a cellular communication system |
| 10/10/2001 | EP1142143A1 Method for transmitting signals in a communication device |
| 10/10/2001 | EP1142137A1 P |
| 10/10/2001 | EP1142121A1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method |
| 10/10/2001 | EP1142104A1 Multi-frequency transmitter using predistortion and a method of transmitting |
| 10/10/2001 | EP1142102A1 Sequential-acquisition, multi-band, multi-channel, matched filter |
| 10/10/2001 | EP0995283A4 A method and apparatus for segmentation, reassembly and inverse multiplexing of packets and atm cells over satellite/wireless networks |
| 10/10/2001 | EP0872096A4 Apparatus for demodulating and decoding video signals |
| 10/10/2001 | CN1317190A Apparatus for detecting frequency offset |
| 10/10/2001 | CN1317169A Digital reception with radio frequency sampling |
| 10/10/2001 | CN1316842A Graphic generating circuit, multiple detecting circuit using the circuit and detecting method |
| 10/10/2001 | CN1316840A Equipment and method for testing error rate in orthogonal frequency division plaxer communication system |
| 10/10/2001 | CN1072874C Viterbi decoder bit efficient chainback, memory method and decoder incorporating same |
| 10/10/2001 | CN1072863C Apparatus and method for reducing message collision between mobile stations in communication system |
| 10/10/2001 | CN1072862C Satellite receiver system having doppler frequency shift tracking |
| 10/10/2001 | CN1072861C Multi-channel digital transceiver and method thereof |
| 10/09/2001 | US6301684 Data decoding apparatus and method for decoding convolution-coded input data |
| 10/09/2001 | US6301324 RF slipring receiver for a computerized tomography system |
| 10/09/2001 | US6301317 Synchronization system and method for digital communication systems |
| 10/09/2001 | US6301312 Bandpass phase tracker with hilbert transformation before analog-to-digital conversion |
| 10/09/2001 | US6301311 Non-coherent, non-data-aided pseudo-noise synchronization and carrier synchronization for QPSK or OQPSK modulated CDMA system |
| 10/09/2001 | US6301310 Efficient implementation for systems using CEOQPSK |
| 10/09/2001 | US6301308 System and method for high speed data transmission |
| 10/09/2001 | US6301307 Methods and apparatuses for the transmission and receipt of digital data modulated using quadrature amplitude modulation, and communication devices utilizing such apparatuses and methods |
| 10/09/2001 | US6301306 Method and apparatus for generating a short-range wireless data communication link |
| 10/09/2001 | US6301295 AM modulated wave eliminating circuit |
| 10/09/2001 | US6301291 Pilot symbol assisted modulation and demodulation in wireless communication systems |
| 10/09/2001 | US6301268 Communication method for frequency division multiplexing signalling systems with reduced average power requirements |
| 10/09/2001 | US6301221 Methods and apparatus for encoding data |