Patents for H04L 27 - Modulated-carrier systems (89,721)
12/2005
12/29/2005US20050286402 Method and apparatus for transmitting uplink acknowledgement information in an OFDMA communication system
12/29/2005US20050285669 Demodulation circuit and receiver device
12/29/2005DE19711057B4 Synchronsignal-Erfassungsvorrichtung Synchronism signal detecting device
12/29/2005DE10225663B4 Verfahren und Vorrichtung zur Durchführung einer Kanalschätzung A method and apparatus for performing a channel estimation
12/29/2005DE102005013272A1 Hardwaregestützte Nachbarkanal-Leckverhältnis-Messung Hardware-adjacent channel leakage ratio measurement
12/29/2005DE102004028806B3 Empfänger für ein drahtloses Kommunikationssystem A receiver for a wireless communication system
12/29/2005DE102004007239B4 Schnittstellenvorrichtung und Verfahren zur Datenrückgewinnung und Synchronisation The interface apparatus and method of data recovery and synchronization
12/29/2005DE10112816B4 Verfahren zum schnellen passiven Einmessen von Transceivern auf ihr Übertragungsmedium Method for rapid calibration of passive transceivers on their transmission medium
12/29/2005CA2570269A1 Distributed resource reservation in a wireless adhoc network
12/28/2005EP1610550A1 Moving picture processing device, information processing device, and program thereof
12/28/2005EP1610549A1 Moving picture processing device, information processing device, and program thereof
12/28/2005EP1610515A1 Method and apparatus for timing synchronization in a multicarrier system
12/28/2005EP1610514A1 Method and apparatus for generating a pilot signal with a cell identification in an OFDM system
12/28/2005EP1610497A1 System and method for allocating safety channels in a broadband wireless access communication system
12/28/2005EP1610470A1 Information processing terminal system and transmission/reception method using the same
12/28/2005EP1610468A1 Turbo demodulator
12/28/2005EP1609284A1 System and method for adaptive phase compensation of ofdm signals
12/28/2005EP1609283A1 Method and apparatus for ofdm symbol timing synchronization
12/28/2005EP1609282A1 Filtering method for transmit processing in orthogonal frequency division multiplex communication systems and related filtering apparatus
12/28/2005EP1609211A2 Method and apparatus for multi-antenna transmission
12/28/2005EP1382172A4 Enhanced wireless packet data communication system, method, and apparatus apllicable to both wide area networks and local area networks
12/28/2005EP1332607B1 Evaluation circuit for alternating voltage pulses
12/28/2005EP1284566B1 Receiver and receiving method for digital satellite broadcast
12/28/2005EP1183774B1 Synchronization of ofdm signals with improved windowing
12/28/2005EP0913043B1 Blind dfe and phase correction
12/28/2005CN1714567A A carrier tracking loop lock detector
12/28/2005CN1714553A A modulation method using hard decision for quadrature amplitude modulation and an apparatus thereof
12/28/2005CN1714552A Reduced complexity channel estimation for wireless communication systems
12/28/2005CN1714551A Radio communication system and radio communication method
12/28/2005CN1714550A A fast transmitter based on table lookup
12/28/2005CN1714525A Communication system, communication method, transmission device, reception device, and control program
12/28/2005CN1714514A Neighbouring channel interference cancellation by adaptive channel filter in mobile telephone receivers
12/28/2005CN1714499A Apparatus and method for wideband signal processing
12/28/2005CN1713628A Symbol timing error detector that uses a channel profile of a digital receiver and a method of detecting a symbol timing error
12/28/2005CN1713627A Receiver for a wireless communication system
12/28/2005CN1713615A System and method for realizing common use of timer function
12/28/2005CN1713560A Receiving LSI device and receiver using the same
12/28/2005CN1234219C Symbolic synchronization and carrier-wave synchronizing method based on modification system of circulation prefix
12/28/2005CN1234209C Super wide band direct sequence two-phase phase shift key control narrow pulse generator
12/28/2005CA2510914A1 Equalizer capable of ajdusting step size and equalization method thereof
12/28/2005CA2508383A1 Method and apparatus to automatically control a step size of an lms-type equalizer
12/27/2005US6980779 RF transmitter using digital-to-RF conversion
12/27/2005US6980657 Communications system using chaotic synchronized circuits
12/27/2005US6980656 Chaotic communication system and method using modulation of nonreactive circuit elements
12/27/2005US6980618 Phase offset detection
12/27/2005US6980613 Ultra-wideband correlating receiver
12/27/2005US6980612 Communication terminal apparatus and radio communication method
12/27/2005US6980610 Wireless terminal device
12/27/2005US6980609 Matched filter, filtering method and digital broadcast receiver using the same
12/27/2005US6980608 Digital signal detector, digital demodulator, method for detecting digital signal, and method for synchronous detecting by digital demodulator
12/27/2005US6980604 Transmission device and transmission method
12/27/2005US6980603 Digital VSB transmission system
12/27/2005US6980601 Rate adaptation and parameter optimization for multi-band single carrier transmission
12/27/2005US6980600 Receiver system for Multiple-Transmit, Multiple-Receive (MTMR) wireless communications systems
12/27/2005US6980589 Carrier frequency compensation system and method
12/27/2005US6980581 Adaptive spread spectrum
12/27/2005US6980487 Underwater communication system
12/27/2005US6980091 Power line communication system and method of operating the same
12/27/2005US6980090 Device and method for coupling with electrical distribution network infrastructure to provide communications
12/27/2005US6980059 Data directed frequency acquisition loop that synchronizes to a received signal by using the redundancy of the data in the frequency domain
12/23/2005CA2510563A1 Carrier frequency offset detecting apparatus in a digital receiver system and a method thereof
12/23/2005CA2510496A1 Symbol timing error detector that uses a channel profile of a digital receiver and a method of detecting a symbol timing error
12/22/2005WO2005122627A1 Transmission of overhead information for broadcast and multicast services in a wireless communication system
12/22/2005WO2005122580A2 Upstream only linecard with front end multiplexer for cmts
12/22/2005WO2005122574A1 Digital broadcasting transmission/reception system utilizing mull packet and trs code to improve receiving performance and signal processing method thereof
12/22/2005WO2005122573A1 Digital broadcasting transmission/reception system utilizing srs and trs code to improve receiving performance and signal processing method thereof
12/22/2005WO2005122518A1 Amplitude modulation device, amplitude limit method, and computer-readable program
12/22/2005WO2005122517A1 Wireless communication system with configurable cyclic prefix length
12/22/2005WO2005122516A1 Multicarrier modulation system with cyclic delay diversity
12/22/2005WO2005122515A1 Multicarrier communication system and methods for link adaptation using uniform bit loading and subcarrier puncturing
12/22/2005WO2005122514A1 Signaling scheme for mode transition in dmt modems
12/22/2005WO2005122513A1 Device and method for the optimal estimation of distortion of a transmission medium, comprising the sequential emission of pairs of quadrature complementary sequences
12/22/2005WO2005122512A2 Digital modulation system and method
12/22/2005WO2005122459A2 Transmitting signals via at least two channels simultaneously
12/22/2005WO2005122458A1 Coding and modulation for broadcast and multicast services in a wireless communication system
12/22/2005WO2005122448A1 Wireless communication apparatus
12/22/2005WO2005122447A1 A method of realizing channel estimation in ofdm system
12/22/2005WO2005122446A1 Robust underwater communication system
12/22/2005WO2005122425A2 Multiplexing of w-cdma and ofdm signals in a wireless communication system
12/22/2005WO2005122421A1 Cdma communication apparatus and cdma communication method
12/22/2005WO2005121984A1 System and method for run-time reconfiguration
12/22/2005WO2005120182A2 Method of obtaining time synchronization in ofdm mobile communication system
12/22/2005WO2005101776A3 Single and multiple sinewave modulation and demodulation techniques
12/22/2005WO2005099209A3 Dual carrier modulator for a multiband ofdm transceiver
12/22/2005WO2005050890B1 Communication device
12/22/2005US20050283710 Coding and decoding for rate matching in data transmission
12/22/2005US20050283708 Apparatus and method for encoding and decoding block low density parity check codes with a variable coding rate
12/22/2005US20050282581 System and method for inverting automatic frequency control (AFC)
12/22/2005US20050282568 Time synchronization using spectral estimation in a communication system
12/22/2005US20050282508 Method and apparatus for controlling a TX power amplifier
12/22/2005US20050282507 Method and apparatus for controlling a TX power amplifier
12/22/2005US20050281360 Reduction of average-to-minimum power ratio in communications signals
12/22/2005US20050281359 Methods and apparatus for signal processing of multi-channel data
12/22/2005US20050281357 Method for the reception of a signal that has undergone a linear precoding and a channel coding, corresponding reception device and computer program product
12/22/2005US20050281356 Quadrature voltage controlled oscillator with automated phase control
12/22/2005US20050281355 Reducing power consumption in signal detection
12/22/2005US20050281354 Wireless local area network system using STBC having backward compatibility with prior standards
12/22/2005US20050281353 Method and apparatus for controlling a TX power amplifier
12/22/2005US20050281352 Spectrally efficient pulse shaping method
12/22/2005US20050281350 Apparatus and method for space-frequency block coding/decoding in a communication system