H04L 27 - Modulated-carrier systems

Patents for H04L 27 - Modulated-carrier systems (89,721)
10/2006
10/18/2006	CN1849772A Sdma communications with non-immediate block acknowledgment
10/18/2006	CN1849769A Multiple antenna systems and methods using high-throughput space-frequency block codes
10/18/2006	CN1849766A Modulation scheme management
10/18/2006	CN1849763A Transmitting apparatus and peak suppressing method
10/18/2006	CN1849761A Apparatus and method for reducing papr in OFDM communication system
10/18/2006	CN1848836A Method for transmitting signal of offset orthogonal amplitude modulation system
10/18/2006	CN1848835A Method for transmitting signal of offset orthogonal amplitude modulation system
10/18/2006	CN1848834A Averaging circuit for enhancing channel estimation in receptor and compensating frequency offset residue
10/18/2006	CN1848833A Down link frequency division multiple access switching in method of frequency selecting block transmitting system
10/18/2006	CN1848832A Radio communication apparatus and radio communication method
10/18/2006	CN1848831A Apparatus and method for correcting iq imbalance
10/18/2006	CN1281039C Method for frequency correction with symmetrical phase adjustment in each OFDM symbol and receiver
10/18/2006	CN1281009C Apparatus and method for orthogonal frequency division multiplexing communication
10/18/2006	CN1280998C Automatic gain control system for multi-user OFDM digital transmission system using the electric grid
10/18/2006	CN1280995C Equalizer apparatus and method using maximum likelihood sequence estimation for wireless receivers
10/18/2006	CN1280993C Digital broadcasting apparatus and method with different error correcting codes under communication environment
10/17/2006	US7124042 Estimating a plurality of tones in an input signal
10/17/2006	US7123897 Directional receiver coupling arrangement with frequency selectivity and gain control for DSL
10/17/2006	US7123896 Method and apparatus for I/Q mismatch calibration in a receiver
10/17/2006	US7123890 Signal sample acquisition techniques
10/17/2006	US7123888 Variable communication system
10/17/2006	US7123677 Variable sampling data output circuit
10/17/2006	US7123671 Automatic gain control method for digital subscriber line modems
10/17/2006	US7123670 Fine frequency offset estimation and calculation and use to improve communication system performance
10/17/2006	US7123667 Receiver for wireless communication
10/17/2006	US7123666 Gaussian minimum shift key transmitter with feedforward phase compensation
10/17/2006	US7123665 Method and apparatus for measuring phase error of a modulated signal
10/17/2006	US7123664 Multi-mode envelope restoration architecture for RF transmitters
10/17/2006	US7123663 Coded digital modulation method for communication system
10/17/2006	US7123662 OFDM detection apparatus and method for networking devices
10/17/2006	US7123661 Datastream transmitters for discrete multitone systems
10/17/2006	US7123659 Digital reception apparatus for removing distortion from received signals
10/17/2006	US7123650 Offset carrier frequency correction in a two-way broadband wireless access system
10/17/2006	US7123646 Synchronous acquisition device for CDMA receiver
10/17/2006	US7123645 Spread-spectrum signal receiver
10/17/2006	US7123644 Peak cancellation apparatus of base station transmission unit
10/17/2006	US7123600 Initial power control for spread-spectrum communications
10/17/2006	US7123592 Dynamic allocation of transmission bandwidth in a communication system
10/17/2006	US7123580 Multiple user adaptive modulation scheme for MC-CDMA
10/17/2006	US7123093 Semiconductor integrated circuit
10/17/2006	CA2316904C Ofdm transmitting and receiving apparatus and ofdm transmitting and receiving method
10/12/2006	WO2006107466A2 Dc offset correction system for a receiver with baseband gain control
10/12/2006	WO2006107450A2 Agc with integrated wideband interferer detection
10/12/2006	WO2006107230A1 Multiple-input multiple-output multicarrier communication system with joint transmitter and receiver adaptive beamforming for enhanced signal-to-noise ratio
10/12/2006	WO2006106766A1 Wireless communication apparatus and wireless communication method
10/12/2006	WO2006105921A1 Demodulation and amplification regulation concept, in particular for ir receivers
10/12/2006	WO2006105565A1 Method for demodulating and reading device for evaluating load-modulated signals
10/12/2006	WO2006077559A3 Method and apparatus for detecting the presence of a digital television signal
10/12/2006	WO2006062652A3 Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments
10/12/2006	US20060230089 Frequency estimation
10/12/2006	US20060229044 Combined discrete automatic gain control (AGC) and DC estimation
10/12/2006	US20060229017 Interference cancellation in wireless relaying networks
10/12/2006	US20060227907 Broadcasting receiver
10/12/2006	US20060227906 Power clipping circuit and power clipping method
10/12/2006	US20060227905 Spatial and time multiplexing of multi-band signals
10/12/2006	US20060227904 Correlation method for channel estimation for ofdm
10/12/2006	US20060227903 Method of soft bit metric calculation with direct matrix inversion MIMO detection
10/12/2006	US20060227902 Method and apparatus for interative noise whitening with causal and anti-causal prediction filters
10/12/2006	US20060227901 Apparatus and method for decoding in a hierarchical, modulation system
10/12/2006	US20060227899 Apparatus and method for storing/recovering spectrum
10/12/2006	US20060227898 Radio receiver
10/12/2006	US20060227897 Digital modulator and digital modulation method
10/12/2006	US20060227895 Reduction of average-to-minimum power ratio in communications signals
10/12/2006	US20060227887 Adaptive time-filtering for channel estimation in OFDM system
10/12/2006	US20060227885 Receiver based saturation estimator
10/12/2006	US20060227851 Multiple access method and system
10/12/2006	US20060227749 Channel estimation for a cdma system using pilot symbols
10/12/2006	US20060227699 System and method for modulation of non-data bearing carriers in a multi-carrier modulation system
10/12/2006	DE102005015802A1 Signal transferring method using human body, integrates condenser device that is used as signal interface in oscillating circuit, where circuit is operated as parallel or serial oscillating circuit in receive or transmit mode, respectively
10/12/2006	CA2603146A1 Method and apparatus for singular value decomposition of a channel matrix
10/11/2006	EP1710967A2 Method and system for using PSK SYNC word for fine frequency adjustment
10/11/2006	EP1710943A1 Method for balancing the ratio Eb/l in a service multiplexing CDMA system and telecommunication systems using this method
10/11/2006	EP1710931A1 DSSS and OFDM two-way waiting reception method and wireless LAN apparatus
10/11/2006	EP1710918A1 Transmitter and wireless communication apparatus
10/11/2006	EP1709776A1 The transport of modulation symbols in a communications system
10/11/2006	EP1709775A1 Frame synchronization and initial symbol timing acquisition system and method
10/11/2006	EP1709774A1 Channel estimation for a communication system using spectral estimation
10/11/2006	EP1709762A1 Multicarrier mimo transmission
10/11/2006	EP1709749A1 Systems and methods for communication
10/11/2006	EP1709746A2 Method and apparatus for improving error rates in multi-band ultra wideband communication systems
10/11/2006	EP1620959B1 Method and transmitter for transmitting data in a multi-carrier system via a number of transmitting antennas
10/11/2006	EP1350382B1 Power cutback configuration of digital subscriber line transceivers using public switched telephone network signaling
10/11/2006	CN1846417A Amplitude information extraction apparatus and amplitude information extraction method
10/11/2006	CN1846416A Weighting circuit for a multi-carrier signal receiver
10/11/2006	CN1846415A System and method for two channel frequency offset estimation of OFDM signals
10/11/2006	CN1846414A TSM type radio communication method, radio communication system, radio reception device, and base station device
10/11/2006	CN1846388A O f d m channel estimation and tracking for multiple transmit antenna
10/11/2006	CN1846383A Communication apparatus and communication method
10/11/2006	CN1846382A Radio transmission apparatus, radio reception appartus, and radio transmission method
10/11/2006	CN1846381A Radio communication apparatus and peak suppressing method
10/11/2006	CN1846368A Communication system and method for channel estimation and beamforming using a multi-element array antenna
10/11/2006	CN1846367A Secure communication method, transmission apparatus and reception apparatus
10/11/2006	CN1846146A Modulation signals for a satellite navigation system
10/11/2006	CN1845543A Non-coherent digital demodulation device for RDS signal
10/11/2006	CN1845542A Signal processing method and system
10/11/2006	CN1845540A Time-domain adaptive equalizer with virtual center
10/11/2006	CN1845539A Time-domain adaptive equalizer with overlay structure
10/11/2006	CN1845538A Time-domain channel synchronous tracker
10/11/2006	CN1845537A Channel estimation method in communication system
10/11/2006	CN1845525A Master-slave device system

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