Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
06/2010
06/09/2010EP2194684A1 Transmitter-receiver amplifier and method for compensating delay deviation
06/09/2010EP2194683A2 Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator
06/09/2010EP2194665A1 Cfo and i/q imbalance correction coefficient calculation method, and correction method using the same, and pilot signal transmission method
06/09/2010EP2193640A2 Communication apparatus, communication method, and integrated circuit
06/09/2010EP2193639A2 A self-adaptive frequency interpolar for use in a multi-carrier receiver
06/09/2010EP2193625A1 Time-frequency synchronization and frame number detection for dmb-t systems
06/09/2010EP2193624A1 Time-frequency synchronization and frame number detection for dmb-t systems
06/09/2010EP2193619A2 Multiplicative network coding
06/09/2010EP1712049B1 Fractional-n sigma-delta modulator comprising an adaptive compensation filter that compensates for the undesired effects of the phase locked loop and methods thereof
06/09/2010EP0899888B1 Coding and decoding methods and devices and equipment using them
06/09/2010CN1989749B Radio transmitting device and radio receiving device
06/09/2010CN1941760B multi-antenna orthogonal frequency division multiplexing iterative transmit/receiver and method
06/09/2010CN1893342B Multi-carrier-wave IISDPA business transmission channel coding method and coding apparatus
06/09/2010CN1886915B A method for determining transmit right
06/09/2010CN1852281B Synchronizing method for quadrature frequency division multiple access system
06/09/2010CN1771680B Method and apparatus for transmission and reception of data
06/09/2010CN1708911B Method and apparatus for navigating, previewing and selecting broadband channels via a receiving user interface
06/09/2010CN1692574B Communication method, transmitter apparatus and receiver apparatus
06/09/2010CN1659817B Radio transmission device, radio reception device, and method for selecting transmission cancel subcarriers
06/09/2010CN1653352B Determination of a composite peak position in the presence of a doppler shift
06/09/2010CN1592131B System and method for joint time tracking of multiple paths
06/09/2010CN101730994A Low density parity check (ldpc) encoded higher order modulation
06/09/2010CN101730992A Methods and apparatus for communicating in a peer to peer system where device communications may partially interfere with one another
06/09/2010CN101730991A Methods and apparatus for channel estimation and rate feedback in a peer to peer network
06/09/2010CN101730990A Ofdm-mimo radio frequency transmission system
06/09/2010CN101730988A OFDM control signaling in the presence of timing asynchronization in a peer-to-peer network
06/09/2010CN101730138A Communication methods and systems having permutation schemes
06/09/2010CN101730121A Frame detection method of orthogonal frequency division multiplexing (OFDM) access downlink
06/09/2010CN101729879A Method for realizing real-time video transmission based on MIMO-OFDM system
06/09/2010CN101729488A Double-sided OLED display
06/09/2010CN101729487A Clock signal regenerating and receiving device and clock signal regenerating and receiving method
06/09/2010CN101729486A Method and system for double-antenna receiving diversity in single carrier frequency domain equalization system
06/09/2010CN101729485A Single-carrier and ultra-wideband sending method and device
06/09/2010CN101729484A Vector hole adjustment method based on tangent principle
06/09/2010CN101729483A Wireless communication device, wireless communication method, signal processing device, signal processing method, and computer program
06/09/2010CN101729482A Base station device
06/09/2010CN101729481A Wireless communication apparatus, wireless communication method, and computer program
06/09/2010CN101729480A Method for reception of a signal and corresponding transmission method
06/09/2010CN101729479A Blind channel estimation method based on cyclostationarity of OFDM signals
06/09/2010CN101729478A Method of multiple access of orthogonal frequency division multiplexing (OFDM) system
06/09/2010CN101729477A Method for transmitting signal in multiple carrier wireless transmission system
06/09/2010CN101729476A Channel estimator and channel estimating method
06/09/2010CN101729475A Method and device for processing multi-carrier signal
06/09/2010CN101729474A Channel quality index feedback method and receiver
06/09/2010CN101729473A Method for feeding back quality index of channel and receiver
06/09/2010CN101729472A Carrier recovery method and device for all-digital receiver
06/09/2010CN101729471A Composite transmission communication method of analogue signal and digital signal of broadcast communication system
06/09/2010CN101729469A Multi-rate processing system
06/09/2010CN101729466A Device and method for detecting and using blank frequency spectrum with peak interference
06/09/2010CN101729465A Method and device for measuring signal to noise ratio and application thereof
06/09/2010CN101729464A Method and device for acquiring frequency offset of signal
06/09/2010CN101729462A Method for comprehensively measuring and calculating carrier to interference plus noise ratio in orthogonal frequency division multiplexing
06/09/2010CN101729461A System and method for eliminating single-frequency interference and multi-frequency interference
06/09/2010CN101729458A Method and device for estimating time domain channel
06/09/2010CN101729457A Dynamic subcarrier associated limit bit feedback and dispatching method
06/09/2010CN101729456A Channel estimation method of orthogonal frequency division multiplexing (OFDM) communication system
06/09/2010CN101729454A Channel estimator and channel estimating method
06/09/2010CN101729232A Radio transmission system and method
06/09/2010CN101729216A Optimized detection of multiple-antenna spatial multiplexing
06/09/2010CN101729212A Subcarrier mapping method of space-frequency block codes
06/09/2010CN101729203A Wireless communication apparatus, wireless communication method, and computer program
06/09/2010CN101729191A Method and device for processing bit data
06/09/2010CN101729175A Method for transmitting entitlement management message of ground mobile multimedia broadcasting system
06/09/2010CN101729169A Method and device for transmitting and receiving multimedia data
06/09/2010CN101729139A Transmission method and base station for system information
06/09/2010CN101729124A Access method, terminal and base station of orthogonal frequency division multiplexing (OFDM) system
06/09/2010CN101729115A Multi-antenna transmitting method, multi-antenna transmitting device and multi-antenna transmitting system
06/09/2010CN101729091A Configuration, notification and channel estimation methods of pilot frequency signals and devices thereof
06/09/2010CN101222326B Communications security and decipherment method based on four-weighted score Fourier transform
06/09/2010CN101202682B Method for improving fault toleration capability and protection system
06/09/2010CN101179545B Doppler frequency cancellation based full digital main carrier tracking method
06/09/2010CN101091368B Method and apparatus for transmitting/receiving a signal in an FFH-OFDM communication system
06/09/2010CN101076008B Method and apparatus for processing clipped wave
06/09/2010CN101039304B Method for producing HARQ feedback signal and apparatus thereof
06/09/2010CN101034900B Civil aviation ground-air communication self-adaptive disturbance restraining method based on the extraction of the blind signal and its system
06/09/2010CN101018104B Mobile digital multimedia broadcast signal transmission system and channel bandwidth change method
06/09/2010CN101002449B Clock regeneration circuit
06/08/2010US7734391 Hysteresis of switching from park to drive based on vehicle speed
06/08/2010US7734260 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system
06/08/2010US7734196 Optical receiver device
06/08/2010US7734194 Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system
06/08/2010US7733996 Joint space-time optimum filters (JSTOF) for interference cancellation
06/08/2010US7733992 Method and system for providing analog control of digital gain in a wireless device
06/08/2010US7733991 Apparatus for determining a frequency offset error and receiver based thereon
06/08/2010US7733989 Method and system of channel estimation
06/08/2010US7733988 Multiframe control channel detection for enhanced dedicated channel
06/08/2010US7733984 Implementing phase rotator circuits with embedded polyphase filter network stage
06/08/2010US7733982 Signal adjustment receiver circuitry
06/08/2010US7733981 Direct conversion RF transceiver for wireless communications
06/08/2010US7733977 Radio transmission device and radio transmission method
06/08/2010US7733976 Computational circuits and methods for processing modulated signals having non-constant envelopes
06/08/2010US7733975 Method for estimating phase error in MIMO OFDM communications system
06/08/2010US7733968 Evaluation of transmitter performance
06/08/2010US7733967 Device having communication function, method for automatically adjusting transmitter, system and program
06/08/2010US7733966 System and method for space diversified linear block interleaving
06/08/2010US7733940 Method and apparatus for signal receipt and acquisition
06/08/2010US7733850 Method and apparatus for enabling dynamic codec selection on a per application basis
06/08/2010US7733837 Apparatus and method for adjusting an input range for a soft-decision decoder
06/08/2010US7733763 Memory-efficient ADSL transmission in the presence of TCM-ISDN interferers
06/08/2010US7733193 Systems and methods for DQPSK modulator control using selectively inserted dither tone
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