Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2008
07/02/2008CN101212288A Uplink multiple-user space division multiplexing method in OFDMA system
07/02/2008CN100399800C Solid state image pickup device and its manufacturing method
07/02/2008CN100399777C OFDM signal transmission system, OFDM signal transmitter and receiver
07/02/2008CN100399776C BS digital broadcasting receiving device and receiving method thereof
07/02/2008CN100399775C Automatic gain control and wireless communication device
07/02/2008CN100399774C Communication and related receiver
07/01/2008US7395487 Common circuitry supporting both bit node and check node processing in LDPC (Low Density Parity Check) decoder
07/01/2008US7395034 Clipping circuit and radio transmitter using the same
07/01/2008US7394899 Device for transforming a digital signal into an acoustic one, and that makes use of a standard phase modulation
07/01/2008US7394879 Systems and methods for parallel signal cancellation
07/01/2008US7394878 Digital frequency determining apparatus and methods using matched filters
07/01/2008US7394876 Enhanced channel estimator, method of enhanced channel estimating and an OFDM receiver employing the same
07/01/2008US7394875 Beaulieu series approach to optimal UMTS RACH preamble detection estimation
07/01/2008US7394874 Up/down conversion circuitry for radio transceiver
07/01/2008US7394873 Adaptive channel estimation for orthogonal frequency division multiplexing systems or the like
07/01/2008US7394871 Digital implementation of multi-channel demodulators
07/01/2008US7394870 Low complexity synchronization for wireless transmission
07/01/2008US7394869 RF transmitter architecture for continuous switching between modulation modes
07/01/2008US7394867 Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification
07/01/2008US7394866 Ultra wideband communication system, method, and device with low noise pulse formation
07/01/2008US7394865 Signal constellations for multi-carrier systems
07/01/2008US7394864 Mixed waveform configuration for wireless communications
07/01/2008US7394862 Multi-mode wireless polar transmitter architecture
07/01/2008US7394859 OFDM signal receiving apparatus and an OFDM signal receiving method
07/01/2008US7394858 Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system
07/01/2008US7394848 Method and apparatus for time equalization
07/01/2008US7394847 Receiving method and receiver with high-precision signal estimation
07/01/2008US7394791 Multi-detection of heartbeat to reduce error probability
07/01/2008US7394754 System and method for transmitting data in a multiple-branch transmitter-diversity orthogonal frequency-division multiplexing (OFDM) system
07/01/2008US7394753 Training premable in multipoint-to-point communication using orthogonal frequency division multiplexing
07/01/2008US7394752 Joint reduction of NEXT and FEXT in xDSL systems
06/2008
06/26/2008WO2008076683A2 Parameterized sphere detector and methods of using the same
06/26/2008WO2008076682A2 Scaling to reduce wireless signal detection complexity
06/26/2008WO2008076027A1 Method and arrangement for symbol mapping in communication systems utilizing ofdm-techniques
06/26/2008WO2008076021A1 Pulse width modulator
06/26/2008WO2008075917A1 Apparatus and method for estimating channel in broadband wireless access (bwa) communication system
06/26/2008WO2008075881A2 Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
06/26/2008WO2008074801A1 Method and apparatus for signal peak-to-average ratio reduction
06/26/2008WO2008074734A1 Inter-carrier interference cancellation for ofdma systems
06/26/2008WO2008074730A1 Uplink inter-carrier interference cancellation for ofdma systems
06/26/2008WO2008074518A1 Method and/or ofdm device for sc-fdma data transmission
06/26/2008WO2008074254A1 A signal receiving and transmitting method and device based on ofdm
06/26/2008WO2008074209A1 Method for transmitting data between a transmitting station and a receiving station
06/26/2008WO2008058087A3 Edge mmse filter
06/26/2008WO2008054322A3 Cyclically shifting a signal in frequency and time domain
06/26/2008WO2008054310A3 Activation and deactivation of sub-carriers for papr reduction
06/26/2008WO2008054306A3 Method and arrangement for reducing power consumption in user equipments in multi-carrier radio systems.
06/26/2008WO2008041160A3 Method and apparatus for generating data packets for transmission in an ofdm communication system
06/26/2008WO2008041110A3 Method for symbol multiplexing control and data channel
06/26/2008WO2008011264A3 Remote non-linearity detection via burst power dithering
06/26/2008WO2008008285A3 Wireless communication method and apparatus for using fractional channels to support communication services that use higher order modulation
06/26/2008US20080155373 Adaptive coding and modulation based on link performance prediction
06/26/2008US20080152051 Digital broadcasting receiver
06/26/2008US20080152050 Radio Communication Device
06/26/2008US20080152049 Digital audio broadcast receiver
06/26/2008US20080152048 Transmission mode/guard length detection circuit and method therefor
06/26/2008US20080152046 Synchronization system and method for wireless communicating nodes
06/26/2008US20080152045 High-throughput memory-efficient BI-SOVA decoder architecture
06/26/2008US20080152044 Veterbi decoding method for convolutionally encoded signal
06/26/2008US20080152043 Apparatus and method for estimating channel in broadband wireless access (BWA) communication system
06/26/2008US20080152042 Ofdm receiver apparatus
06/26/2008US20080152041 Method and device for decoding a signal
06/26/2008US20080152040 Receiver and Receiver Control Method
06/26/2008US20080152035 Digital broadcasting system and method of processing data
06/26/2008US20080152033 Pilot transmission and channel estimation for an ofdm system with excess delay spread
06/26/2008US20080152032 Apparatus and method for receiving signals in multiple-input multiple-output wireless communication system
06/26/2008US20080152030 Optimized directional mimo antenna system
06/26/2008US20080152029 Method and apparatus for transmitting/receiving control information in packet data communication system
06/26/2008US20080152028 Ofdm Communication System
06/26/2008US20080152026 Sender, receiver and method of transferring information from a sender to a receiver
06/26/2008US20080151988 Multi-pair gigabit ethernet transceiver
06/26/2008US20080151986 Fade equalizer
06/26/2008US20080151979 Signal processing apparatus, signal processing method, and program
06/26/2008US20080151977 Method and apparatus for compensating for mismatch occurring in radio frequency quadrature transceiver using direct-conversion scheme
06/26/2008US20080151976 Ultra wideband communications systems
06/26/2008US20080151973 Control system methods and appratus for inductive communication across an isolation barrier
06/26/2008US20080151839 Frequency Synchronization During Cell Search in a Universal Mobile Telephone System Receiver
06/26/2008DE112004002397T5 Restfrequenzfehlerabschätzung in einem OFDM-Empfänger Residual frequency error estimation in an OFDM receiver
06/25/2008EP1936904A1 Logarithmic likelihood ratio calculating circuit, transmitter apparatus, logarithmic likelihood ratio calculating method and program
06/25/2008EP1936902A2 Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
06/25/2008EP1936901A2 Apparatus and method for estimating channel in broadband wireless access (BWA) communication system
06/25/2008EP1936900A1 Method and OFDM device for SC-FDMA data transfer
06/25/2008EP1936899A2 Wireless communication apparatus comprising a symbol synchronization tracking receiver
06/25/2008EP1936898A1 Phase modulation device and wireless communication device
06/25/2008EP1936897A1 Transmission of signalling information in an OFDM communication system
06/25/2008EP1936896A2 Delay profile extimation device and correlator
06/25/2008EP1936894A1 Pilot block-based channel estimation in a OFDM system
06/25/2008EP1936855A1 Method and apparatus for configuring data paths over a multi-carrier signal
06/25/2008EP1936823A2 System for code division multi-access communication
06/25/2008EP1935160A1 Method and device for transmitting organisation information to a multi-carrier communication system
06/25/2008EP1935159A1 Tone hopping in the uplink of a sectorized ofdm system
06/25/2008EP1935158A1 Method and apparatus for accelerated super 3g cell search
06/25/2008EP1935157A1 Synchronization channel scheme for super 3g
06/25/2008EP1935156A2 Nyquist folded bandpass sampling receivers and related methods
06/25/2008EP1935105A2 Non-invasive frequency rollback apparatus and method
06/25/2008EP1935089A2 Systems, methods and devices for dual closed loop modulation controller for nonlinear rf amplifier
06/25/2008EP1741212B1 Device and method for decoding an optical multi-level dpsk signal
06/25/2008EP1393455B1 Quadrature alignment in communications receivers
06/25/2008EP1121068B1 An apparatus and method for performing a signal search in a coherent wireless communication system
06/25/2008CN101208925A Power savings in hierarchically coded modulation