| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 03/21/2002 | US20020034160 Apparatus and method for symbol alignment in a multi-point OFDM/DMT digital communications system |
| 03/21/2002 | US20020034159 Reduced complexity DMT/OFDM transceiver |
| 03/21/2002 | US20020034158 Frequency reuse scheme for OFDM system |
| 03/21/2002 | DE10043160A1 Tone signal recognition circuit for e.g. modems has digital controller that tunes to specific tonal signal based on which data pattern of digital data stream is identified |
| 03/21/2002 | DE10040795A1 Overvoltage protection e.g. for xDSL power drive circuit, has output drive stage protection device protecting drive stage against overvoltages, and LF stage protection device protecting LF stage |
| 03/21/2002 | CA2727842A1 System and method for transmission-line termination by signal cancellation, and applications thereof |
| 03/21/2002 | CA2420388A1 Communication system using ofdm |
| 03/20/2002 | EP1189420A2 Digital subscriber line (DSL) modem compatible with home networks |
| 03/20/2002 | EP1189401A2 Downconvertor for multicarrier signals |
| 03/20/2002 | EP1189381A1 Random test signal for communication systems |
| 03/20/2002 | EP1189380A2 Transmission method and system with unequal error protection |
| 03/20/2002 | EP1189338A1 I/Q demodulator device with three power detectors and two A/D converters |
| 03/20/2002 | EP1188284A1 System and method for data scrambling to reduce the crest factor in an ofdm waveform |
| 03/20/2002 | EP1188266A1 Apparatus and method for achieving symbol timing and frequency synchronization to orthogonal frequency division multiplexing signal |
| 03/20/2002 | EP1188257A1 Method and apparatus for high data rate wireless communications over wavefield spaces |
| 03/20/2002 | EP1188249A1 Spread-spectrum gmsk/m-ary radio with oscillator frequency correction |
| 03/20/2002 | EP1188230A1 Transceiver with dc-offset cancellation in the transmitter |
| 03/20/2002 | EP1188069A2 A method for determining the channel gain between emitters and receivers |
| 03/20/2002 | EP1139628A9 Multicarrier receiver with channel estimation, for multiple access channels |
| 03/20/2002 | EP0981881B1 Equalising and decoding device for a frequency-selective digital transmission channel |
| 03/20/2002 | EP0940005B1 Method and device for use with phase modulated signals |
| 03/20/2002 | EP0795161B1 Signal processor with reduced complexity, and receiver comprising such a signal processor |
| 03/20/2002 | CN1341298A Method for generating complex quasi-orthogonal code and apparatus and method for spreading channel data using the quasi-orthogonal code in CDMA communication system |
| 03/20/2002 | CN1340979A Radio communication equipment and information channel evaluation method |
| 03/20/2002 | CN1340975A Eight-phase phase-shift keying (PSK) modulation method and device |
| 03/20/2002 | CN1340974A Digital up converter supporting intelligent antenna |
| 03/20/2002 | CN1340973A Digital up conversion method and up converter with power control function |
| 03/20/2002 | CN1340972A Digital up converter integrating more modulation functions |
| 03/20/2002 | CN1340926A Training and synchronous sequence in multi-emitting and multi-receiving antenna CDMA and TDMA system |
| 03/20/2002 | CN1081411C Communication device with improved echo and noise control in quantization channel |
| 03/19/2002 | US6360369 Interference tolerant modem |
| 03/19/2002 | US6359951 Method and apparatus for high speed signaling |
| 03/19/2002 | US6359942 FSK demodulator |
| 03/19/2002 | US6359940 Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range |
| 03/19/2002 | US6359938 Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing |
| 03/19/2002 | US6359937 Method and apparatus for performing analog mode operations when transmitting audio and data in a wireless TDMA system |
| 03/19/2002 | US6359936 Modulator employing a memory reduction circuit |
| 03/19/2002 | US6359935 Method for iterative demodulation and decoding for a system with coding and differential demodulation |
| 03/19/2002 | US6359934 Adaptive modulation method |
| 03/19/2002 | US6359933 Frame synchronization in muticarrier transmission systems |
| 03/19/2002 | US6359932 Verification of transmit power levels in a signal point limited transmission system |
| 03/19/2002 | US6359926 Multi-carrier transmission systems |
| 03/19/2002 | US6359897 Control system for controlling the processing data of a first in first out memory and method therefor |
| 03/19/2002 | US6359875 CDMA receiving apparatus |
| 03/19/2002 | US6359865 Method of implementing macrodiversity |
| 03/19/2002 | US6359525 Modulation technique for transmitting multiple high data rate signals through a band limited channel |
| 03/19/2002 | US6359523 Orthogonal modulator, mobile terminal and communication system |
| 03/19/2002 | US6359518 Signal level adjusting circuit using coupling stage for preventing variation from resulting in each operating point of first amplifying stage and second amplifying stage |
| 03/14/2002 | WO2002021829A1 Wireless camera |
| 03/14/2002 | WO2002021818A1 Variable low frequency offset, differential, ook, high-speed twisted pair communication |
| 03/14/2002 | WO2002021785A2 Automatic frequency correction for mobile radio receivers |
| 03/14/2002 | WO2002021783A1 Method for coding and decoding an information symbol |
| 03/14/2002 | WO2002021781A1 Improved channel equalisation for mobile radio receivers |
| 03/14/2002 | WO2002021744A1 Ofdm modem system |
| 03/14/2002 | WO2002021713A1 Phase rotation measuring device and radio base station device having the same |
| 03/14/2002 | WO2002021681A2 Receiver circuit, especially for mobile radiotelephony |
| 03/14/2002 | WO2001072000A3 Carrier acquisition using bandedge spectral properties |
| 03/14/2002 | US20020031216 Subscriber loop range extension using negative-impedance repeaters |
| 03/14/2002 | US20020031195 Method and apparatus for constellation decoder |
| 03/14/2002 | US20020031191 Signal modulation circuit and signal modulation method |
| 03/14/2002 | US20020031190 System and method of data communication using turbo trellis coded modulation combined with constellation shaping with or without precoding |
| 03/14/2002 | US20020031189 Time and bandwidth scalable slot format for mobile data system |
| 03/14/2002 | US20020031116 Line termination equipment |
| 03/14/2002 | US20020031099 Data communication device |
| 03/14/2002 | US20020031083 Efficient implementation of large size FFT |
| 03/14/2002 | US20020031081 Method and device for carrier recovery in OFDM systems |
| 03/14/2002 | DE10043743A1 Automatische Frequenzkorrektur für Mobilfunkempfänger Automatic frequency correction for mobile receivers |
| 03/13/2002 | EP1187413A1 Method for an adaptive bitloading in an OFDM communication system |
| 03/13/2002 | EP1187412A2 Carrier frequency recovery in CDMA receivers |
| 03/13/2002 | EP1187411A2 Monolithic ADSL analogue front end |
| 03/13/2002 | EP1187410A1 Training sequences for low-latency LMS implementation |
| 03/13/2002 | EP1187373A2 Bit rate detection circuit and algorithm for optical networks |
| 03/13/2002 | EP1187365A2 OFDM receiving apparatus with antenna diversity |
| 03/13/2002 | EP1187344A1 Soft-normaliser for a channel decoder |
| 03/13/2002 | EP1187341A2 Synchronization loss detection in a V.34 receiver |
| 03/13/2002 | EP1186188A1 Automatic frequency allocation (afa) for wireless office systems sharing the spectrum with public systems |
| 03/13/2002 | EP1186149A1 Loop driver for pots, xdsl, or integrated pots/xdsl interface |
| 03/13/2002 | EP1186107A1 Turbo code termination |
| 03/13/2002 | CN1340264A Method for detecting pilot signals |
| 03/13/2002 | CN1340263A Clock reproducing circuit |
| 03/13/2002 | CN1340262A Termination of coded or uncoded modulation with path-oriented decoder |
| 03/13/2002 | CN1340254A In-band signalling for synchronization in a voice communications network |
| 03/13/2002 | CN1339887A Ratio Eb/I method and communication system in equalizing service multiple CDMA system |
| 03/13/2002 | CN1339872A Fm signal oscillation circuit and modulation level correcting method |
| 03/12/2002 | US6356746 Direct converting receiver |
| 03/12/2002 | US6356608 Method, apparatus, and system for determining a location of a frequency synchronization signal |
| 03/12/2002 | US6356602 RF integrated circuit for downconverting a GPS signal |
| 03/12/2002 | US6356601 Method and apparatus for detecting zero rate frames in a communications system |
| 03/12/2002 | US6356600 Non-parametric adaptive power law detector |
| 03/12/2002 | US6356599 AFC device and method of controlling reception frequency in a dual-mode terminal |
| 03/12/2002 | US6356598 Demodulator for an HDTV receiver |
| 03/12/2002 | US6356593 Data optimized codec |
| 03/12/2002 | US6356585 Power cutback in splitterless ADSL systems |
| 03/12/2002 | US6356581 Efficient method of providing symbol data from demodulator to a processor |
| 03/12/2002 | US6356555 Apparatus and method for digital data transmission using orthogonal codes |
| 03/12/2002 | US6356145 Demodulator circuit which demodulates a signal without any restriction from a clock signal |
| 03/12/2002 | US6356131 90-degree phase shifter |
| 03/07/2002 | WO2002019681A1 Variable low frequency offset, differential, ook, high-speed twisted pair communication using telephone load coils |
| 03/07/2002 | WO2002019647A1 Estimation and removal of intersymbol interference in multicarrier signals |
| 03/07/2002 | WO2002019646A2 Sequence estimation in the presence of phase offsets |