Patents for H04L 27 - Modulated-carrier systems (89,721)
09/2006
09/13/2006CN1833388A Radio communication apparatus and subcarrier assignment method
09/13/2006CN1833365A Apparatus and method for transmitter phase shift compensation
09/13/2006CN1832546A Display method of transferring device
09/13/2006CN1832480A Method and system for transmit message in multiple input multiple output communication system
09/13/2006CN1832467A OFDM transmission/reception apparatus and method,communication terminal apparatus, base station apparatus
09/13/2006CN1832466A OFDM signal transmission method and apparatus
09/13/2006CN1832465A Device and method for estimating carrier parameter of orthogonal frequency division multi-task system
09/13/2006CN1832464A Pilot distribution device of orthogonal frequency division duplex system and its method
09/13/2006CN1832386A Multi-selection multi-input multi-out put detection method and device based on reducing conditional number
09/13/2006CN1832359A Multi-frequency multi-module multiple carrier testing signal source radio-frequency module
09/13/2006CN1832355A Distortion compensation apparatus
09/13/2006CN1831889A Electric energy meter of information changing by HFC network and its communication method
09/13/2006CN1275444C Digital communication system
09/13/2006CN1275417C Synchronization detection apparatus
09/13/2006CN1275399C Time-domain synchronous orthogonal frequency-division multiplexing transmitter
09/12/2006US7107031 Co-channel interference rejection in a digital receiver
09/12/2006US7106854 XDSL system having selectable hybrid circuitry
09/12/2006US7106821 Data modulation method, data modulation device and communication device
09/12/2006US7106817 Communication device having delay information calculating function
09/12/2006US7106815 Ingress noise reduction in a digital receiver
09/12/2006US7106814 Method and wireless device employing a preamble to initiate communications
09/12/2006US7106813 Method and apparatus for combined soft-decision based interference cancellation and decoding
09/12/2006US7106811 Wireless communication method and apparatus for performing post-detection constellation correction
09/12/2006US7106810 Method and apparatus for a demodulator circuit
09/12/2006US7106809 AM/FM/IBOC receiver architecture
09/12/2006US7106807 Method for estimating the frequency shift of a CPFSK signal
09/12/2006US7106805 3G radio
09/12/2006US7106804 Method of and system for modulating and demodulating a communication signal using differential quadrature phase shift keying (DQPSK)
09/12/2006US7106803 Phase shift keying wireless communication apparatus and method
09/12/2006US7106801 Distance division multiplexing
09/12/2006US7106794 System and method for Huffman shaping in a data communication system
09/12/2006US7106783 Method and apparatus for searching multipaths of mobile communication system
09/12/2006US7106782 Method and apparatus for rotating a phase of a modulated signal
09/12/2006US7106780 Rake-based CDMA receivers for multiple receiver antennas
09/12/2006US7106709 Timing drift compensation in wireless packet-based systems
09/12/2006US7106689 OFDM transmission/reception apparatus
09/12/2006US7106133 Distortion compensator
09/08/2006WO2006093375A1 Method of controlling transfer of contents and apparatus of enabling the method
09/08/2006WO2006093307A1 Ofdm receiver, integrated circuit and receiving method
09/08/2006WO2006092843A1 Modulation circuit and electronic device
09/08/2006WO2006092641A1 Acquisition of a wireless reverse link signal affected by doppler frequency drift
09/08/2006WO2006092038A1 All-fiber phase controlled delay interferometer and method of making the same
09/08/2006WO2005043767A3 Gmsk spread modulation
09/08/2006WO2005025074A3 Polarization state techniques for wireless communication
09/08/2006WO2004105291A3 Ultra-wideband high data-rate communication apparatus and associated methods
09/08/2006CA2599950A1 Narrow-band integer cycle or impulse modulation spectrum sharing method
09/08/2006CA2541223A1 A method and apparatus for creating phase modulation in edge-sensitive signals
09/07/2006WO2006002310B1 Legacy compatible spatial multiplexing systems and methods
09/07/2006US20060198477 Carrier detection for multiple receiver systems
09/07/2006US20060198474 Method and system for down-converting and electromagnetic signal, and transforms for same
09/07/2006US20060198473 Apparatus and method for detecting preambles according to IEEE 802.11B wireless LAN standard
09/07/2006US20060198472 Transmission system, transmitter device, and receiver device
09/07/2006US20060198471 Matched filtering
09/07/2006US20060198468 Single and multiple sinewave modulation and demodulation techniques employing carrier-zero and carrier-peak data-word start and stop
09/07/2006US20060198467 Semi-synchronous receiver and apparatus for reading information
09/07/2006US20060198466 Systems and methods for the reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms
09/07/2006US20060198465 Systems and methods for the dynamic range compression of multi-bearer single-carrier and multi-carrier waveforms
09/07/2006US20060198463 Device for converting a transmitted signal into a digital signal
09/07/2006US20060198460 Link adaptation for high throughput multiple antenna WLAN systems
09/07/2006US20060198452 Method to minimize degradation in a D-MPSK hierarchical modulation system
09/07/2006US20060198450 Radio transmitter apparatus and modulation scheme selecting method
09/07/2006US20060198449 Receiver for a multi-carrier communication system
09/07/2006US20060198448 Techniques to manage wireless connections
09/07/2006US20060198292 Ofdm reception device and ofdm reception method
09/07/2006US20060197704 Measuring distance using wireless communication
09/07/2006DE60116502T2 Vorrichtung und verfahren zur erkennung der welligkeiten verursacht durch mehrwegeausbreitung und zur steuerung der empfangsantenne und des tuners Apparatus and method for detection of the ripples caused by multipath propagation and control of the receiving antenna and the tuners
09/07/2006DE19839207B4 Verfahren zur digitalen Demodulation und Synchronisation von FSK-Signalen Method for digital demodulation and synchronization of FSK signals
09/07/2006DE102005009735A1 Datenübertragungsverfahren, Sender und Empfänger dafür Data transmission method, transmitter and receiver for
09/07/2006DE102005007326A1 Dynamische Zuweisung von Funkressourcen in einem Mehrträgerkommunikationssystem Dynamic allocation of radio resources in a multicarrier communication system
09/07/2006DE10085276B4 Verfahren und Einrichtung zum Implementieren eines Blattknoten-Stellvertreters in einem Netzwerk Method and apparatus for implementing a leaf node's deputy in a network
09/06/2006EP1699202A1 Method and article of estimating of phase and gain mismatch and corresponding method and device for receiving a digital base band signal
09/06/2006EP1699201A1 Method and apparatus for multi-level quadrature amplitude modulation
09/06/2006EP1699200A2 Transmitter and transmission control method used in random access communication environment
09/06/2006EP1699199A1 A method for OFDM data transmission in a multi-cell mobile network with channel estimation by means of pilots, a base transceiver station, a base station controller, a mobile terminal and a mobile network therefor
09/06/2006EP1699197A1 Method for sending channel quality information in a multi-carrier radio communication system, corresponding mobile terminal and base station
09/06/2006EP1699196A1 OFDM subcarrier allocation in a cellular mobile network
09/06/2006EP1699143A2 Method and arrangement to estimate transmission channel characteristics
09/06/2006EP1698135A1 Method and apparatus for compensating i/q imbalance in receivers
09/06/2006EP1698134A2 Method and apparatus to provide data packet
09/06/2006EP1698133A2 Data definition apparatus, systems, and method
09/06/2006EP1698132A2 Wireless internet terminal and packet transmission method for improving quality of service
09/06/2006EP1698121A1 A preamble configuring method in the wireless lam system, and a method for a frame synchronization
09/06/2006EP1698077A1 An apparatus for adaptive resource allocation for multi-channel communication system, and a method thereof
09/06/2006EP1698070A1 Apparatus and method for prioritized apportionment of transmission power in a multi-carrier terminal
09/06/2006EP1698047A1 Multiplier of an electric signal, using a local oscillator signal, and method used by said multiplier
09/06/2006EP1697843A2 System and method for managing protocol network failures in a cluster system
09/06/2006EP1236302A4 Joint frame, carrier and clock synchronization scheme
09/06/2006EP1228590A4 Method and apparatus for transmitting signals in a communication system
09/06/2006EP1060603B9 System and method for spectrally efficient transmission of digital data over optical fiber
09/06/2006EP0744095B1 Continuous phase modulation device using a frequency synthesizer with a phase-locked loop
09/06/2006CN1830189A Apparatus and method for multicarrier transmission/reception with transmission quality evaluation
09/06/2006CN1830188A System and method for communicating digital information using time-and-frequency-bounded base functions
09/06/2006CN1830172A Method of reducing the variance of a signal-to-noise ration estimate for a signal with differential phase and coherent amplitude modulation
09/06/2006CN1830169A Radio communication apparatus and radio communication method
09/06/2006CN1829373A A method for OFDM data transmission, a base transceiver station, a base station controller, a mobile terminal and a mobile network therefor
09/06/2006CN1829372A Method for distributing data, a base transceiver station, a base station controller and a mobile network therefor
09/06/2006CN1829371A Method for distributing data, a base transceiver station, a base station controller and a mobile network therefor
09/06/2006CN1829211A Transform domain communication method based on interlaced and orthogonal frequency division multiplex
09/06/2006CN1829210A Method for distributing carrier wave with equitable proportion in multi user OFDM system
09/06/2006CN1829209A System for the coherent demodulation of binary phase shift keying signals (BPSK)