Patents for H04L 27 - Modulated-carrier systems (89,721)
06/2007
06/06/2007CN1977506A Carrier phase ambiguity correction via DC offset
06/06/2007CN1977483A Transmitting method and apparatus thereof, receiving method and device therof
06/06/2007CN1976495A Mobile multimedia broadcasting control information and media information specification transmitting method
06/06/2007CN1976403A Digital multimedia receiver and digital multimedia receiving method thereof
06/06/2007CN1976332A Digital generator and digital receiver for FDM signals
06/06/2007CN1976331A Symbol timing synchronizing method and apparatus using the same method
06/06/2007CN1976330A Timing estimator in OQPSK demodulator
06/06/2007CN1976329A Digital remodulation and digital remodulating method for binary frequency shift keying signal
06/06/2007CN1976328A Vehicle appliance control system
06/06/2007CN1976255A Method for realizing user normal communication under high-speed moving
06/06/2007CN1320785C Transmitting and receiving apparatus for supporting transmit antenna diversity using space-time block code
06/06/2007CN1320781C Interference rejection in a receiver
06/06/2007CN1320770C Method and system for allocating convolution encoded bits into symbols before modulation
06/05/2007US7228115 Receiving method and receiver with high-precision signal estimation
06/05/2007US7227938 System and method for dynamically establishing optimum audio quality in an audio conference
06/05/2007US7227934 Method and apparatus for processing multiple signals transceived through a coupling
06/05/2007US7227917 Reducing effects of self-created interference on broadband reception
06/05/2007US7227916 Receiver with automatic gain control that operates with multiple protocols and method thereof
06/05/2007US7227915 Receiver and AGC method
06/05/2007US7227914 Automatic gain control for digital signals
06/05/2007US7227912 Receiver with mirror frequency suppression
06/05/2007US7227911 Multichannel receiver for simultaneously receiving a plurality of different channel signals
06/05/2007US7227910 Communication device with configurable sigma-delta modulator
06/05/2007US7227909 High-quality power ramping in a communications transmitter
06/05/2007US7227908 Information transmission apparatus, information transmission method, information reception apparatus, and information reception method
06/05/2007US7227904 Method for modifying a bit sequence in an ARQ retransmission, receiver and transmitter therefor
06/05/2007US7227903 OFDM transmitter for generating FSK modulated signals
06/05/2007US7227902 Method and apparatus for digital channelisation and de-channelisation
06/05/2007US7227890 VDSL system based on DMT line coding, and method for determining length of cyclic prefix samples using the system
06/05/2007US7227874 Apparatus and method for determining a modulation scheme in a communication system
06/05/2007US7227865 Utilizing session initiation protocol for identifying user equipment resource reservation setup protocol capabilities
06/05/2007US7227835 Method and apparatus for adjacent channel interference reduction in an orthogonal frequency division multiplexing (OFDM) receiver
06/05/2007US7227834 Synchronizing pulse generating method and method of receiving OFDM signal
06/05/2007CA2292568C Channel encoding/decoding apparatus and method for communication system
06/01/2007CA2528799A1 System and method for power line communications
05/2007
05/31/2007WO2007061272A2 Method and apparatus for generating and transmitting code sequence in a wireless communication system
05/31/2007WO2007060902A1 Method and system for reducing peak-to-average power ratio in orthogonal frequency division multiplexed signal
05/31/2007WO2007060749A1 Wireless communication method and system
05/31/2007WO2007060562A1 Polar modulation system
05/31/2007WO2007060221A1 Method for underwater transmission of data packets
05/31/2007WO2007059706A1 A method and device for dft-spread ofdm
05/31/2007WO2007059680A1 Normal wireless communication method for a user during high speed travel
05/31/2007WO2007044749A3 Direct bandpass sampling receivers and related methods
05/31/2007WO2007043124A9 Oversampling transversal equalizer
05/31/2007WO2007038631B1 Reconfigurable notched spectrum for wireless data transmission
05/31/2007WO2007038358A3 Pilot grouping and route protocols in multi-carrier communication systems
05/31/2007WO2007035737A3 Quick detection of signaling in a wireless communication system
05/31/2007WO2007015011A3 Detection method and device for a mimo system, mimo system, program and information medium
05/31/2007WO2007005681A3 Apparatus and method for if switching in a dual-tuner, dual-if hd radio and fm/am radio receiver
05/31/2007WO2006107700A3 Method and apparatus for singular value decomposition of a channel matrix
05/31/2007WO2006052398A3 Method and apparatus for estimating and correcting baseband frequency error in a receiver
05/31/2007US20070124644 Iterative metric updating when decoding LDPC (low density parity check) coded signals and LDPC coded modulation signals
05/31/2007US20070121765 Timing estimator in OQPSK demodulator
05/31/2007US20070121764 Frequency error estimation and correction in a SAIC linear equalizer
05/31/2007US20070121763 Computation of soft bits for a turbo decoder in a communication receiver
05/31/2007US20070121762 Psk receiver, psk demodulating circuit, communication apparatus, and psk receiving method
05/31/2007US20070121761 Phase adjustment circuit
05/31/2007US20070121759 Method and apparatus for integrated distribution function capture
05/31/2007US20070121756 Data transfer using frequency notching of radio-frequency signals
05/31/2007US20070121755 Data scrambler generation of pseudo-random bit sequence for semi-stationary Q-mode signal
05/31/2007US20070121754 Digital rf transceiver with multiple imaging modes
05/31/2007US20070121753 Wireless communications apparatus
05/31/2007US20070121750 Data transmission method and data reception method
05/31/2007US20070121738 Transmission apparatus and peak suppression method
05/31/2007US20070121736 Method for reducing the crest factor
05/31/2007US20070121735 Communication system using length shift keying modulation
05/31/2007US20070121718 System and Method for Time-Domain Equalization in Discrete Multi-tone Systems
05/31/2007US20070121716 Novel transmitter architecture for high-speed communications
05/31/2007US20070121708 Discriminator function for GPS code alignment
05/31/2007US20070121482 Transmitting/receiving apparatus, method, program, recording medium, and integrating circuit used in communication network
05/31/2007US20070120617 Modulation apparatus and modulation method
05/31/2007US20070120586 Phase-locked loop
05/31/2007DE112005001456T5 Empfänger zur Verwendung bei der drahtlosen Nachrichtenübermittlung und Verfahren und Endgerät, die diesen verwenden A receiver for use in wireless communication and method and terminal that use this
05/31/2007DE102006053960A1 Verfahren zum Korrigieren eines Soft-Decision-Werts, Computerprogrammprodukt für das Gleiche und Empfangsvorrichtung für das Gleiche A method for correcting a soft decision value, computer program product for the same, and receiving apparatus for the same
05/31/2007DE102005056933A1 Funkübertragungssystem Radio transmission system
05/31/2007DE102005056932A1 Funkübertragungssystem Radio transmission system
05/30/2007EP1791314A2 Apparatus and method for carrier frequency synchronization in an OFDM system
05/30/2007EP1791313A1 Communications systems and methods using selected mapping for OFDM signals
05/30/2007EP1791312A2 PSK receiver
05/30/2007EP1791311A1 FSK narrowband demodulator and demodulation method
05/30/2007EP1791310A1 Distortion compensating apparatus
05/30/2007EP1791284A1 Data communication apparatus
05/30/2007EP1790190A1 Method, apparatus, and communications interface for sending and receiving data blocks associated with different multiple access techniques
05/30/2007EP1790141A1 Delay calibration in polar modulation transmitters
05/30/2007EP1790140A2 Headend transmitter and downstream cable modem receiver for 1024 qam
05/30/2007EP1790139A1 Insertion of a secondary binary information stream into a main symbol stream of a digital modulation
05/30/2007EP1790102A1 A method of optimizing portions of a frame
05/30/2007EP1790100A1 Apparatus and method for frequency synchronization in ofdm system
05/30/2007EP1790089A2 Spatial spreading with space-time and space-frequency transmit diversity schemes for a wireless communication system
05/30/2007EP1790088A2 A method for establishing fast feedback channel and transmitting information in a wireless communication system
05/30/2007EP1714453B1 Conveying additional signaling information in an ofdm-based wireless local area network
05/30/2007EP1684467B1 Power saving via variable listen intervals in a WLAN
05/30/2007EP1642407A4 Apparatus, and associated method, for communication system exhibiting time-varying communication conditions
05/30/2007EP1497946A4 Symbol timing search algorithm
05/30/2007EP1479176B1 Doppler shift and spread estimation method and apparatus
05/30/2007EP1303960B1 Data transmission using pulse width modulation
05/30/2007EP1228611B1 Radio receiver with two stages of dc offset correction, synchronisation and channel estimation
05/30/2007EP1173942B1 Method and apparatus for peak limiting in a modulator
05/30/2007EP1158689B1 Spread-spectrum communication device
05/30/2007EP1121786A4 Fast dtmf identification