Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2007
05/02/2007EP1295450B1 Ultra wide band transmitter
05/02/2007EP1240720B1 Method and circuit for transmitting a data-modulated high-frequency data signal from a transmitter to a receiver having a simplified receiver architecture
05/02/2007CN1957575A Fully digital transmitter including a digital band-pass sigma-delta modulator
05/02/2007CN1957552A Modulation device, modulation method, and demodulating device
05/02/2007CN1957546A Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback
05/02/2007CN1956513A Digital multimedia signal receiver and its receiving method
05/02/2007CN1956512A Digital multimedia receiver and its receiving method
05/02/2007CN1956437A Carrier frequency recovery device and method for time domain synchronous orthogonal frequency division multiplex system
05/02/2007CN1956436A Apparatus and method for estimating channels in digital broadcasting signal receiver
05/02/2007CN1956435A Apparatus and method for detecting transmission mode of broadcast signal
05/02/2007CN1956434A Communications systems and methods using phase vectors
05/02/2007CN1956433A 多载波通信系统 Multicarrier communication system
05/02/2007CN1956432A Method for distributing time frequency resource in dispatching and jump frequency multisystem
05/02/2007CN1956431A Method for implementing synchronous of radio communication system
05/02/2007CN1956430A MIMO OFDM system and precoding and feedback method of it
05/02/2007CN1956429A Residual frequency departure detection method, device and its radio communication system
05/02/2007CN1956392A Method, device and system for implementing multi-service type structure
05/02/2007CN1956370A Apparatus and method for transmitting/receiving signal in communication system using multi-antenna
05/02/2007CN1956358A Cell synchronous method based on access leading
05/02/2007CN1956354A Radio relay communication system and implementing method
05/02/2007CN1956350A Multi-antenna transmitting system method of radio signal and radio communication system
05/02/2007CN1314252C Demodulation apparatus and method in communication system employing 8-ary PSK modulation
05/02/2007CN1314218C Zipper DMT(discrete multi-tone) system and method for determining timing advance in the same system
05/02/2007CN1314217C Data adaptive mixing automatic retransmitting method for orthogonal frequency division multisystem
05/02/2007CN1314211C Method for modulating and demodulating baseband signal, frequency-hopping modulators and demodulators
05/01/2007US7213197 Adaptive bit loading with low density parity check forward error correction
05/01/2007US7212831 Quick paging method in a shadow area
05/01/2007US7212592 Digitally programmable gain control circuit
05/01/2007US7212590 Turbocoder with facilitated synchronization
05/01/2007US7212589 Speed negotiation for serial transceivers
05/01/2007US7212588 Double sideband-intermediate frequency radio receiver architecture
05/01/2007US7212587 Apparatus for reducing DC offset in a receiver
05/01/2007US7212586 Direct conversion RF transceiver for wireless communications
05/01/2007US7212585 Quadrature modulation transmitter
05/01/2007US7212583 Transmission of signal
05/01/2007US7212581 Up / down conversion circuitry for radio transceiver
05/01/2007US7212577 Information transfer methods
05/01/2007US7212542 Method and apparatus for maximizing a data rate of a wireless data communication system
05/01/2007US7212509 Method for regulating a frequency offset in a base-station receiver of a data communications system
05/01/2007US7212482 Apparatus and method to dynamically adjust the amplitude of a signal comprising information
05/01/2007CA2398779C Methods and apparatus for identifying asset location in communication networks
05/01/2007CA2291062C Method and apparatus for superframe bit allocation
04/2007
04/26/2007WO2007047248A2 Nyquist folded bandpass sampling receivers and related methods
04/26/2007WO2007046558A1 Modulating/demodulating method, modulating apparatus and demodulating apparatus
04/26/2007WO2007046061A2 Polar modulation apparatus and method using fm modulation
04/26/2007WO2007045961A1 Block serial pipelined layered decoding architecture for structured low-density parity-check (ldpc) codes
04/26/2007WO2007045843A2 Correction of quadrature mismatch
04/26/2007WO2007045582A1 Method for data transmission in a radio communication system
04/26/2007WO2007045185A1 A channel realizing method for multi-carrier system cell
04/26/2007WO2007045122A1 A soft demodulating method for 16qam in communication system
04/26/2007WO2007045101A2 Multiplexing schemes for ofdma
04/26/2007WO2007028236A3 System and method for delivery of video, content on demand and ip packets
04/26/2007WO2007023368A3 Method and apparatus for providing addressing in a multi-carrier communication system
04/26/2007WO2007023359A3 Apparatus, method and computer program product providing initial cell acquisition and pilot sequence detection
04/26/2007WO2007021569A8 Coherent phase-shift-keying
04/26/2007WO2007015143A3 Method, apparatus and computer program product providing widely linear interference cancellation for multi-carrier systems
04/26/2007WO2006113119A3 Channel estimation using a minimized channel prediction interval
04/26/2007WO2006107910A3 Channel estimation using linearly-constrained filter coefficients
04/26/2007WO2006036053A3 Method of transmitting data and estimating channel informatio in ofdm/ofdma mobile communications system
04/26/2007US20070094362 Method for automatically configuring terminal equipmet
04/26/2007US20070092263 Method, apparatus and system for high-speed transmission on fiber optic channel
04/26/2007US20070092047 Closed loop power normalized timing recovery for 8 VSB modulated signals
04/26/2007US20070092045 Systems, Methods, and Apparatuses for Fine-Sensing Modules
04/26/2007US20070092044 Method for symbol timing synchronization and apparatus thereof
04/26/2007US20070092043 Digital broadcasting receiving system and method
04/26/2007US20070092042 Receiver and a receiving method
04/26/2007US20070092041 Apparatus and method for robust BPSK/QPSK blind modulation classification against errors in satellite control system
04/26/2007US20070092036 8-Vsb like backward-compatible robust stream modulation for atsc digital tv transmission
04/26/2007US20070092034 Trellis encoding device for encoding transmission stream and method thereof
04/26/2007US20070092033 Trellis encoder for encoding dual transmission stream
04/26/2007US20070092032 Digital broadcasting system and method
04/26/2007US20070092031 System for processing and transmitting digital broadcasting signal and method thereof
04/26/2007US20070092030 System for processing and transmitting digital broadcasting signal and method thereof
04/26/2007US20070092029 Apparatus to generate a dual transport stream and method thereof
04/26/2007US20070092028 Outer encoder and outer encoding method thereof
04/26/2007US20070092027 Digital broadcasting system and method
04/26/2007US20070092025 Method and apparatus for windowing orthogonal frequency division multiplexed signals
04/26/2007US20070092024 Method for data communication via a voice channel of a wireless communication network
04/26/2007US20070092023 Self-calibration method for use in a mobile transceiver
04/26/2007US20070092022 Integrated frequency shift-keying FSK transceiver
04/26/2007US20070092021 Quadrature modulator and vector correction method
04/26/2007US20070092012 Method and apparatus for communication channel estimation
04/26/2007US20070091930 Dual transmission stream processing device and method
04/26/2007US20070091929 Apparatus to generate a dual transport stream and method thereof
04/26/2007US20070090919 Combined tire pressure monitoring and keyless entry receiver
04/26/2007DE10245589B4 Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten Apparatus for transmitting digital signals between moving units
04/26/2007DE102005049260A1 Data-transmission method for transmitting data over a subscriber's transmission link uses a reference sequence, a reference process and frequency ranges
04/25/2007EP1777906A1 Amplitude error compensating apparatus and orthogonality error compensating apparatus
04/25/2007EP1777905A1 Method of data transmission in a wireless telecommunications system
04/25/2007EP1777832A1 Power line coupler modem device for communication over electrical lines
04/25/2007EP1777813A1 Adaptive gain and/or phase adjustment control method
04/25/2007EP1776819A1 Complex signal scaling for phase and/or amplitude modulated signals
04/25/2007EP1776818A1 Method for equalizing a digital signal and equalizer
04/25/2007EP1776817A1 Enhanced bit mapping for digital interface of a wireless communication equipment in multi-time slot and multi-mode operation
04/25/2007EP1776816A1 Modulator with instantaneous modulation scheme switching in multi-time slot and multi-mode operation, for a wireless communication equipment
04/25/2007EP1776796A1 Method and system for determining a frequency offset
04/25/2007EP1776795A1 Method and device for transmission parameter selection in mobile communications
04/25/2007EP1776793A2 System and method for adaptive modulation
04/25/2007EP1776791A1 Transmitter, method for generating a plurality of long preambles and communication device
04/25/2007EP1776777A2 A transmit system employing an antenna and balanced amplifier architecture which provides power amplifier load balancing independent of single or dual signal operation of the transmitter