Patents for H04L 27 - Modulated-carrier systems (89,721)
10/2006
10/11/2006CN1845496A Flame-proof and intrinsically safe type industrial Ethernet ring exchanger for mine
10/11/2006CN1845487A Quasi OTDM transmitting method and system
10/11/2006CN1279736C Wireless telecommunication system using frequency hopping and method of controlling same
10/11/2006CN1279735C Digital waveform generator apparatus and method thereof
10/11/2006CN1279711C Channel noise resisting balance method based on Walsh transformation for orthogonal frequency-division multiplexing system
10/11/2006CN1279698C Iteration terminating using quality index criteria of Turbo codes
10/10/2006US7120439 Method and apparatus for mobile radio velocity estimation
10/10/2006US7120397 All-frequency-band SSB radio communication system and radio apparatus
10/10/2006US7120396 Radio transmitter architecture comprising a PLL and a delta-sigma modulator
10/10/2006US7120310 Image noise reduction method and device
10/10/2006US7120214 Synchronous signal transfer and processing device
10/10/2006US7120211 Adaptive RFI canceller for DSL
10/10/2006US7120210 Method and system for processing a signal
10/10/2006US7120209 Reduced complexity intercarrier interference cancellation
10/10/2006US7120208 Device and method for adjusting input gain for multiple signal formats in a data network
10/10/2006US7120207 Transmission method and radio receiver
10/10/2006US7120206 Signal DC offset correction method and device
10/10/2006US7120205 Method and system for multiple-shift code acquisition of optical orthogonal codes in optical CDMA systems
10/10/2006US7120204 Waveform generator operable in accordance with a plurality of band limitation characteristics
10/10/2006US7120203 Dual link DVI transmitter serviced by single Phase Locked Loop
10/10/2006US7120202 Wireless communication apparatus
10/10/2006US7120191 Method and apparatus for acquiring a ranging signal of a positioning system
10/10/2006US7120166 Scalable communication system using overlaid signals and multi-carrier frequency communication
10/10/2006US7119661 Combined tire pressure monitoring and keyless entry receiver
10/10/2006US7119610 Circuit arrangement
10/10/2006CA2396963C Activation of multiple xdsl modems with implicit channel probe
10/10/2006CA2340146C Antenna system architecture
10/10/2006CA2210144C A low-complexity direct conversion receiver for delay-and-correlate transmitted reference signaling
10/05/2006WO2006105522A2 Subcarrier adaptive thresholding for adaptive bit loading
10/05/2006WO2006105496A1 Receiver with decision-directed equalizer
10/05/2006WO2006105471A1 Power savings in hierarchically coded modulation
10/05/2006WO2006105459A1 Platform noise mitigation in ofdm receivers
10/05/2006WO2006105307A1 Method and apparatus for data and pilot structures supporting equalization
10/05/2006WO2006105177A2 Optimal timing and frequency acquisition for ofdm systems
10/05/2006WO2006105047A2 Method and apparatus for co-channel interference reduction in single-sideband ofdm transmissions
10/05/2006WO2006104408A1 System and method for compensation of non-linear transmitter distortion
10/05/2006WO2006104371A1 Method and system for allocating adaptive modulation and coding subchannel for use in portable internet network
10/05/2006WO2006104054A1 Transmission method and transmission system
10/05/2006WO2006103585A2 Signal transmitter for wideband wireless communication
10/05/2006WO2006102771A1 Methods and systems for ofdm using code division multiplexing
10/05/2006WO2006102746A1 Methods and systems for transmission of orthogonal frequency division multiplexed symbols
10/05/2006WO2006102745A1 Method and system for combining ofdm and transformed ofdm
10/05/2006WO2006102744A1 Systems and methods for ofdm channelization
10/05/2006WO2006082534A3 Phase compensating method and apparatus for digital receiver
10/05/2006WO2006076451A3 Methods and apparatus for transmitting layered and non-layered data via layered modulation
10/05/2006WO2005104388A3 System for synchronizing a portable transceiver to a network
10/05/2006WO2005086759A3 Method and apparatus for crystal drift compensation
10/05/2006WO2004095706A3 System and method for using a microlet-based modem
10/05/2006US20060225089 Wireless terminal device, wireless communication method, and computer program
10/05/2006US20060222118 Automatic gain control for a wireless receiver
10/05/2006US20060222117 DC offset correction system for a receiver with baseband gain control
10/05/2006US20060222116 AGC with integrated wideband interferer detection
10/05/2006US20060222115 Television receiver with automatic gain control (AGC)
10/05/2006US20060222114 Receiver having digital timing recovery function
10/05/2006US20060222113 Method and apparatus for segmented code correlation
10/05/2006US20060222112 Magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in hard magnetic bias layers
10/05/2006US20060222111 System for generating a digital signal
10/05/2006US20060222110 Methods and systems for providing bandwidth adjustment
10/05/2006US20060222109 Quadrature detection method, quadrature detection device and radio wave time piece
10/05/2006US20060222108 Determining modulo count in sleep capable system
10/05/2006US20060222107 Method and device for calculating zero-crossing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal
10/05/2006US20060222106 Method for detecting single frequency tones
10/05/2006US20060222105 Single and multiple sinewave modulation and demodulation techniques, apparatus, and communications systems
10/05/2006US20060222102 Wireless communication system
10/05/2006US20060222099 Channel length estimation and accurate FFT window placement for high-mobility OFDM receivers in single frequency networks
10/05/2006US20060222092 Platform noise mitigation in OFDM receivers
10/05/2006US20060222090 System and method for coding and decoding information signals
10/05/2006US20060222089 System for multiplexing independent signals
10/05/2006US20060222088 Method of controlling digital image processing apparatus for convenient communication, and digital image processing apparatus using the method
10/05/2006US20060222087 Methods and systems for handling underflow and overflow in a software defined radio
10/05/2006US20060221924 Mobile communications terminal for transmitting data frames in wireless lan and method thereof
10/05/2006US20060221898 Method and transmitter for transmitting data in a multi-carrier system via a number of transmitting antennas
10/05/2006US20060221807 Multi-carrier transmitter apparatus, multi-carrier receiver apparatus and multi-carrier communication method
10/05/2006US20060220759 Contactless ic card system
10/05/2006DE102006001650A1 Signalverarbeitungseinrichtung, Verwendung der Signalverarbeitungseinrichtung und Verfahren zur Signalverarbeitung Signal processing means, using the signal processing device and signal processing method
10/05/2006CA2602865A1 Power savings in hierarchically coded modulation
10/04/2006EP1708444A2 Radio-frequency communication control system
10/04/2006EP1708432A2 Wireless terminal device, wireless communication method and computer program
10/04/2006EP1708402A1 Method for balancing the ration Eb/l in a service multiplexing CDMA system and telecommunication systems using this method
10/04/2006EP1708380A1 Method for geometrical harmonic modulation
10/04/2006EP1708377A2 Reduced peak-to-average amplitude multichannel
10/04/2006EP1706977A1 Data detection for a hierarchical coded data transmission
10/04/2006EP1706976A1 Frequency error estimation and frame synchronization in an ofdm system
10/04/2006EP1706975A1 Peak reduction in ofdm using clipping and modified constellations
10/04/2006EP1706974A1 Method, system and receiver for receiving a multi-carrier transmission
10/04/2006EP1706973A1 Method of signalling, a communication system and a communication equipment
10/04/2006EP1706971A1 Adaptive channel measurement reporting
10/04/2006EP1706950A2 Multiple user adaptive modulation scheme for mc-cdma
10/04/2006EP1588559A4 Robust mode staggercasting with adjustable delay offset
10/04/2006EP1588558A4 Robust mode staggercasting without artifacts
10/04/2006EP1588548A4 Robust mode staggercasting
10/04/2006EP1588547A4 Robust mode staggercasting reduced resolution video for mobile receiver
10/04/2006EP1588491A4 Robust mode staggercasting with multiple delays for multi-resolution signals
10/04/2006EP1303958B1 Data transmission using pulse width modulation
10/04/2006EP1142102A4 Sequential-acquisition, multi-band, multi-channel, matched filter
10/04/2006EP1040628B1 Bit allocation in a transmission system
10/04/2006CN1843011A OFDM signal demodulator circuit and OFDM signal demodulating method
10/04/2006CN1843010A Method and system for adaptable receiver parameters
10/04/2006CN1842981A Transmitting device, transmitting method, and storage medium
10/04/2006CN1842877A Method for polling in digital radio communication system, and method searching vehicles