| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 06/27/2002 | US20020080861 Methods and apparatus to despread dual codes for CDMA systems |
| 06/27/2002 | US20020080860 Methods and apparatus to despread dual codes for CDMA systems |
| 06/27/2002 | US20020080857 Base station which uses pre-rotation before transmission |
| 06/27/2002 | US20020080824 Notifying bit allocation changes in a multicarrier modulation communications system |
| 06/27/2002 | US20020080821 ATM SAR (asynchronous transfer module segmentation and reassembly) module for an xDSL communication service chip |
| 06/27/2002 | US20020080717 Fast fourier transforming apparatus and method thereof for compensating for OFDM output bit signal |
| 06/27/2002 | US20020080716 Polar loop transmission circuit |
| 06/27/2002 | US20020080285 Communication system |
| 06/27/2002 | US20020079980 Apparatus comprising a phase and amplitude-modulated signal transmitter, method implemented in such apparatus |
| 06/27/2002 | US20020079879 Direct phase and frequency demodulation |
| 06/27/2002 | DE10150472A1 Integrierte Halbleiterschaltungsvorrichtung mit Verstärker mit variabler Verstärkung A semiconductor integrated circuit device having variable gain amplifier |
| 06/27/2002 | DE10062573A1 USB device for connection to a PC has telephone connection transceiver, internal bus and control circuit for controlling data transfer |
| 06/27/2002 | DE10060569A1 Verfahren zur kohärenten Demodulation von Funksignalen Method for coherent demodulation of radio signals |
| 06/27/2002 | CA2428395A1 Method of detecting pilot tones in a noisy signal |
| 06/26/2002 | EP1217861A1 Communication terminal, base station device, and radio communication method |
| 06/26/2002 | EP1217781A1 Detecting preambles of data packets |
| 06/26/2002 | EP1217770A1 Transmitter, receiver, and transmitting method in multi-carrier transmission system |
| 06/26/2002 | EP1217759A2 Spread spectrum transmission circuit |
| 06/26/2002 | EP1217757A1 Base transceiver station with distortion compensation |
| 06/26/2002 | EP1217756A2 Multiband portable radio terminal |
| 06/26/2002 | EP1217754A1 Amplifier circuit, radio transmitter, method and use |
| 06/26/2002 | EP1217753A1 Linear RF power amplifier and transmitter |
| 06/26/2002 | EP1217730A2 Method for suppressing noise peaks in a wanted signal |
| 06/26/2002 | EP1217728A2 Cable modem tuner |
| 06/26/2002 | EP1217723A2 Quadrature modulator using a Phase Locked Loop |
| 06/26/2002 | EP1216559A2 Method for adjusting a phase angle of a phase modifier of a transmitting device |
| 06/26/2002 | EP1216558A1 Transmitting-receiving device comprising a closed cartesian feedback loop |
| 06/26/2002 | EP1216557A1 Method for transmitting an offset modulated biorthogonal multicarrier signal (bfdm/om) |
| 06/26/2002 | EP1216556A1 Estimation of doppler shift in several steps |
| 06/26/2002 | CN1355979A Method and receiver for receiving and decoding signals modulated with different modulation methods |
| 06/26/2002 | CN1355978A Method for symbol-spaced estimation and/or tracking of factionally-spaced fading radio channel |
| 06/26/2002 | CN1355971A Apparatus and method for achieving symbol timing and frequency synchronization to orthogonal frequency division multiplexing signal |
| 06/26/2002 | CN1355954A Broadcast transmission system with distributed correction |
| 06/26/2002 | CN1355602A Sign timing restoring circuit of phase demodulator and its method |
| 06/26/2002 | CN1086877C Multi-point to point communication system |
| 06/26/2002 | CN1086876C 通信系统 Communications systems |
| 06/26/2002 | CN1086861C DC offset compensation method and apparatus |
| 06/26/2002 | CN1086860C Frequency converter circuit of tuner for cable modem |
| 06/25/2002 | US6411664 Correlation detecting apparatus, its detecting method and communication apparatus and its communication method |
| 06/25/2002 | US6411662 Communication terminal device, cellular radio communication system, and information communication method |
| 06/25/2002 | US6411661 Digital timing recovery loop for GMSK demodulators |
| 06/25/2002 | US6411659 Timing recovery using the pilot signal in high definition TV |
| 06/25/2002 | US6411658 Demodulation device |
| 06/25/2002 | US6411655 Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal |
| 06/25/2002 | US6411650 PLL control method in data receiving apparatus |
| 06/25/2002 | US6411647 Fully integrated ethernet transmitter architecture with interpolating filtering |
| 06/25/2002 | CA2227471C Timing recovery and frame synchronization in a cellular communications system |
| 06/20/2002 | WO2002049385A2 Multi-carrier communications with adaptive cluster configuration and switching |
| 06/20/2002 | WO2002049308A1 Method of clipping signal amplitudes in a modulation system |
| 06/20/2002 | WO2002049307A1 Frame synchronization for ofdm |
| 06/20/2002 | WO2002049306A2 Multi-carrier communications with group-based subcarrier allocation |
| 06/20/2002 | WO2002049305A2 Ofdma with adaptive subcarrier-cluster configuration and selective loading |
| 06/20/2002 | WO2002049304A1 Method for estimating the channel properties in a communication system |
| 06/20/2002 | WO2002049303A1 Receiver |
| 06/20/2002 | WO2002049263A2 Blind channel estimation and data detection for psk ofdm-based receivers |
| 06/20/2002 | WO2002049250A1 Diversity receiver, and method for receiving orthogonal frequency division multiplex signal |
| 06/20/2002 | WO2002019681A8 Variable low frequency offset, differential, ook, high-speed twisted pair communication using telephone load coils |
| 06/20/2002 | WO2002007399A3 Method and apparatus for equalizer updating and sampling rate control |
| 06/20/2002 | US20020078465 Method of providing high-speed digital services over a switched telephone network |
| 06/20/2002 | US20020075974 Detecting preambles of data packets |
| 06/20/2002 | US20020075973 Synchronous BPSK decoder |
| 06/20/2002 | US20020075971 Digital tuner |
| 06/20/2002 | US20020075970 Phase offset calculation method and phase offset circuit |
| 06/20/2002 | US20020075952 Communication start-up with variant spectral density mask |
| 06/20/2002 | US20020075949 Variable bandwidth discrete multi-tone (DMT) rate-adaptive asymmetric digital subscriber line (RADSL) transceiver |
| 06/20/2002 | US20020075948 User equipment which uses pre-rotation before transmission |
| 06/20/2002 | US20020075943 Transmission circuit |
| 06/20/2002 | US20020075941 Multiple access frequency hopping network with interference anticipation |
| 06/20/2002 | US20020075907 Methods and apparatus for generating a constant-envelope composite transmission signal |
| 06/20/2002 | US20020075902 Optimum overhead framing techniques for ADSL DMT modems |
| 06/20/2002 | US20020075892 DC-offset correction circuit having a DC control loop and a DC blocking circuit |
| 06/20/2002 | US20020075841 Enhanced ARQ with OFDM modulation symbols |
| 06/20/2002 | US20020075840 Envelope stabilization method and apparatus |
| 06/20/2002 | US20020075830 Adaptive modulation for fixed wireless link in cable transmission system |
| 06/20/2002 | US20020075815 Computer-based multi-media communications system and method |
| 06/20/2002 | US20020075797 Frame synchronization technique for OFDM based modulation scheme |
| 06/20/2002 | US20020075092 Method and apparatus for generating digitally modulated signals |
| 06/20/2002 | US20020074987 Tone signal detection circuit for detecting tone signals |
| 06/20/2002 | US20020074560 Semiconductor integrated circuit device with variable gain amplifier |
| 06/20/2002 | DE10158779A1 Digital gesteuerte Leitungsausgleichschaltung Digitally controlled line balancing circuit |
| 06/20/2002 | DE10063675C1 Verfahren und Vorrichtung zur Übertragung von Daten auf wenigstens einer elektrischen Energieversorgungsleitung Method and apparatus for transmitting data on at least one electrical power supply line |
| 06/20/2002 | DE10059135A1 Transceiver for sending and receiving voice and data signals has a voice signal driver to switch between a resting mode with high output impedance and a working mode with low output impedance and to drive an analog voice signal. |
| 06/20/2002 | CA2816471A1 Multi-carrier communications with group-based subcarrier allocation |
| 06/20/2002 | CA2776353A1 Multi-carrier communications with adaptive cluster configuration and switching |
| 06/20/2002 | CA2756663A1 Ofdma with adaptive subcarrier-cluster configuration and selective loading |
| 06/20/2002 | CA2431849A1 Multi-carrier communications with group-based subcarrier allocation |
| 06/19/2002 | EP1215863A2 Phase shifter |
| 06/19/2002 | EP1215862A2 Quadrature error reduction |
| 06/19/2002 | EP1215822A1 Radio transmission device and method for aligning parameters thereof |
| 06/19/2002 | EP1215816A2 Power controllers for amplitude modulation |
| 06/19/2002 | EP1215814A2 Receiver |
| 06/19/2002 | EP1214823A1 Dual automatic gain control in a qam demodulator |
| 06/19/2002 | EP1214821A1 Method and apparatus for carrier phase tracking |
| 06/19/2002 | EP1214791A1 Method and apparatus for adaptive bit resolution in a digital receiver and a digital transmitter |
| 06/19/2002 | EP1214608A1 System for detecting mobile receivers, using digital telebroadcasts transmission of a ground transmitter network |
| 06/19/2002 | EP0760182B1 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data |
| 06/19/2002 | CN1354945A Signalling transmission using phase rotation techinques in digital communications system |
| 06/19/2002 | CN1354609A Method for optimizing performance of transmitter of mobile radio system |
| 06/19/2002 | CN1354582A Adaptive subcarrier loading method and equipment |
| 06/19/2002 | CN1354581A Orthogonal frequency division multiplexing signal receiver |