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)
04/2010
04/21/2010CN1860754B Transmitting apparatus and transmitting method
04/21/2010CN1835489B Device and method able to compensate unbalance of same phase/orthogonal phase
04/21/2010CN1832480B Method and system for transmit message in multiple input multiple output communication system
04/21/2010CN1716933B Method for realizing CDMA signal wave elimination
04/21/2010CN1700690B Feedforward linear power amplifier counteracting and regulating method and apparatus
04/21/2010CN1647406B Path searcher using reconfigurable correlator sets
04/21/2010CN1611028B Adaptive rate control for OFDM communication system
04/21/2010CN1596516B Multi-carrier transmitting apparatus and multi-carrier transmitting method
04/21/2010CN1585392B Self adaptable transmission for OFDMA system
04/21/2010CN101697637A Resource allocation method in OFDMA system
04/21/2010CN101697535A Positioning reference signal sending method, data sending method and data receiving method
04/21/2010CN101697534A Anti-long time delay multipath channel estimation method for time-domain synchronous orthogonal frequency division multiplexing system
04/21/2010CN101697505A Bit energy chain encoding and channel parameter-based adaptive communication method
04/21/2010CN101697481A Automatic gain control for a wireless receiver
04/21/2010CN101136890B Optimized multi-carrier signal slicing device and method therefor
04/21/2010CN101123599B Data transmission method and data transmission system and device
04/21/2010CN101094217B Method for measuring parameters of hydroacoustic channel, and method for obtaining mobile hydroacoustic channel synchronistically
04/21/2010CN101083649B Method for identifying OFDM modulation system of multi-path Rayleigh fast fading channel
04/21/2010CN101064708B Multi-carrier system frequency resource mapping method and apparatus
04/21/2010CN101047679B Data transmission method and system
04/21/2010CN101014099B Digital multimedia reproducing apparatus and method of providing digital multimedia broadcasting in the digital multimedia reproducing apparatus
04/20/2010US7702712 FFT architecture and method
04/20/2010US7702299 Modulation circuit device, modulation method and radio communication device
04/20/2010US7702115 Method and apparatus to reconstruct high-frequency components of an audio signal
04/20/2010US7702049 Signal conversion apparatus, systems, and methods
04/20/2010US7702047 RF receiving apparatus and method for removing leakage component of received signal
04/20/2010US7702046 Method and system for automatic gain control during signal acquisition
04/20/2010US7702045 Method for estimating wireless channel parameters
04/20/2010US7702044 Radar detection and dynamic frequency selection
04/20/2010US7702043 AM data recovery circuit
04/20/2010US7702042 Arrangement and method for iterative channel impulse response estimation
04/20/2010US7702041 Symbol timing method and digital receiver apparatus
04/20/2010US7702040 Method and apparatus for frequency discriminator and data demodulation in frequency lock loop of digital code division multiple access (CDMA) receivers
04/20/2010US7702039 Radio receiver for receiving digital radio signals and method for receiving digital radio signals
04/20/2010US7702037 Method and apparatus for estimating DC offset in an orthogonal frequency division multiplexing system
04/20/2010US7702036 Data sequence detection in communication system
04/20/2010US7702035 Searching method and apparatus for processing digital communication signals
04/20/2010US7702034 Parallel processing for programmable wideband digital modulation
04/20/2010US7702033 Modulating apparatus, mobile communication system, modulating method, and communication method
04/20/2010US7702032 Transmitter and method of transmitting a signal
04/20/2010US7702031 System and method for adaptive modulation
04/20/2010US7702030 Module to module signaling with jitter modulation
04/20/2010US7702028 Method of transmitting preamble for synchronization in a MIMO-OFDM communication system
04/20/2010US7702027 Data transmission method and data reception method
04/20/2010US7702025 Transmission/reception apparatus and transmission/reception method
04/20/2010US7702022 Communication system, transmitting device, receiving device, and communication device capable of wideband communications via impulses
04/20/2010US7701918 Method and device for frequency adjustment
04/20/2010US7701909 Methods and devices for selecting sets of available sub-channels
04/20/2010US7701325 Power line communication apparatus and method of using the same
04/20/2010US7701306 Error correction signal generating device and orthogonal modulator equipped with the error correction signal generating device
04/20/2010CA2543771C Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system
04/15/2010WO2010042901A2 A method and apparatus for deinterleaving in a digital communication system
04/15/2010WO2010042801A1 Apparatus and method for ofdm modulated signal transmission with reduced peak -to -average power ratio
04/15/2010WO2010042761A1 Adaptive loading for orthogonal frequency division multiplex (ofdm) communication systems
04/15/2010WO2010042655A1 Codes and preambles for single carrier and ofdm transmissions
04/15/2010WO2010041888A2 Method of transmitting control signal in wireless communication system
04/15/2010WO2010041886A2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal using modified qams
04/15/2010WO2010041293A1 Orthogonal amplitude modulator, modulation method, semiconductor device utilizing them, and testing device
04/15/2010WO2010041211A1 Frequency locking method for reception of rds data signals
04/15/2010WO2010041181A1 Switching mode out-phasing amplifier
04/15/2010WO2010040264A1 Apparatus and methods for estimating and correcting frequency offset in lte
04/15/2010WO2010040169A1 Optical transmitter
04/15/2010WO2010022379A3 Systems and methods employing multiple input multiple output (mimo) techniques
04/15/2010WO2009157734A3 Apparatus and method for data transmission using transmit diversity in sc-fdma system
04/15/2010WO2009157699A3 Method for transmitting a sounding reference signal in a lte tdd system
04/15/2010WO2009149461A3 Intelligent power system and methods for its application
04/15/2010US20100091927 Clock and Data Recovery (CDR) Using Phase Interpolation
04/15/2010US20100091919 Joint use of multi-carrier and single-carrier multiplexing schemes for wireless communication
04/15/2010US20100091918 Digital receiver, controlling method of the apparatus, computer program product, and recording medium recording thereon the product
04/15/2010US20100091917 Digital broadcasting receiving apparatus
04/15/2010US20100091916 Orthogonal frequency division multiplexing synchronization
04/15/2010US20100091915 Methods and systems for mimo preamble detection
04/15/2010US20100091914 Iterative Decoding
04/15/2010US20100091913 Apparatus and method for estimating phase error based on variable step size
04/15/2010US20100091912 Methods and systems using norm approximation for maximum likelihood mimo decoding
04/15/2010US20100091911 Wireless communication apparatus, wireless communication method, and computer program
04/15/2010US20100091910 Reception Device and Reception Method
04/15/2010US20100091909 Systems and methods for unequal error protection and soft decision calculations
04/15/2010US20100091908 Apparatus and method for analyzing identification signal based on partial correlation
04/15/2010US20100091906 Spatio-Temporal Processing for Communication
04/15/2010US20100091903 Sc-qostfbc codes for mimo transmitters
04/15/2010US20100091902 Method of transmiting data to mitigate intrerence
04/15/2010US20100091900 Apparatus and method for ofdm modulated signal transmission with reduced peak-to-average power ratio
04/15/2010US20100091898 Recovery of data from a multi carrier signal
04/15/2010US20100091895 Interfering base stations recognition method and scheme for 802.16e systems
04/15/2010US20100091894 Channel quality assessment method in ofdm(a) communications and a corresponding system
04/15/2010US20100091893 Method and apparatus for channel feedback in a wireless communication system
04/15/2010US20100091890 Creating Training Sequences for Space-Time Diversity Arrangements
04/15/2010US20100091833 Transmission device
04/15/2010US20100091831 Interference canceling matched filter (icmf) and related methods
04/15/2010US20100091822 Adaptive known signal canceller
04/15/2010US20100091755 Method of transmitting scheduling request in a wireless communication system
04/15/2010US20100091750 Method for transmitting and receiving system information
04/15/2010US20100091729 Distributed message-passing based resource allocation in wireless systems
04/15/2010US20100091708 Base station apparatus, mobile station, radio communication system, and communication control method
04/15/2010US20100091678 Downlink rank indication and uplink rank reporting for dedicated beamforming
04/15/2010US20100091675 Wireless communication system, wireless communication device and wireless communication method, and computer program
04/15/2010US20100091641 Transmit diversity scheme for uplink data transmissions
04/15/2010US20100091640 Communications device capable of adjusting power consumed thereby and method thereof, and ethernet communications device
04/15/2010US20100091623 Frequency characteristic adjusting circuit, receiving interface circuit, and magnetic storage device
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