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)
05/2010
05/13/2010US20100119006 Low complexity maximum likelihood detection of concatenated space codes for wireless applications
05/13/2010US20100119003 Communication processing system, ofdm signal transmitting method, ofdm transmitter, ofdm receiver, and control station
05/13/2010US20100119001 Mimo system with multiple spatial multiplexing modes
05/13/2010US20100118999 Communication apparatus and offset canceling method
05/13/2010US20100118998 Method and device for allocating resources in an ofdm network
05/13/2010US20100118997 Method of controlling in a wireless communication system having multiple antennas
05/13/2010US20100118995 Wireless communication system, base station, terminal device, and wireless communication method
05/13/2010US20100118993 Method and device for determining an unabbreviated channel-impulse response in an ofdm transmission system
05/13/2010US20100118992 Communication processing system, ofdm signal transmitting method, ofdm transmitter, ofdm receiver, and control station
05/13/2010US20100118990 Apparatus for synchronizing ofdm signal using open-loop frequency synchronization method and frequency offset estimation scheme using the apparatus
05/13/2010US20100118988 Method and apparatus related to on-board message repeating for vehicle consist communications system
05/13/2010US20100118987 Transmitter Apparatus, Receiver Apparatus, and Wireless Communication Method
05/13/2010US20100118986 Acknowledgement method and apparatus of aggregated frame in wideband high frequency wireless system
05/13/2010US20100118926 Methods and devices for selecting sets of available sub-channels
05/13/2010US20100118917 Automatic gain control apparatus and method using effective receiving structure of impulse radio ultra-wide band wireless communication system
05/13/2010US20100118864 Hierarchical Data Collection Network Supporting Packetized Voice Communications Among Wireless Terminals And Telephones
05/13/2010US20100118849 Ofdm receiving device and ofdm receiving method
05/13/2010US20100118828 Method of transmitting scheduling request in a wireless communication system
05/13/2010US20100118824 Method of transmitting feedback information in an orthogonal frequency division multiplexing (ofdm)/ ofdm access (ofdma) mobile communication system
05/13/2010US20100118823 Method of transmitting feedback information in an orthogonal frequency division multiplexing (ofdm)/ ofdm access (ofdma) mobile communication system
05/13/2010US20100118822 Method of transmitting feedback information in an orthogonal frequency division multiplexing (ofdm)/ ofdm access (ofdma) mobile communication system
05/13/2010US20100118821 Method of transmitting feedback information in an orthogonal frequency division multiplexing (ofdm)/ ofdm access (ofdma) mobile communication system
05/13/2010US20100118817 Channel quality feedback in multicarrier systems
05/13/2010US20100118794 Partitioned traffic segment communications methods and apparatus
05/13/2010US20100118784 Recommending a Transmission Mode for a MIMO-Supporting UE
05/13/2010US20100118743 Method, system, base station and terminal for processing the reference symbol
05/13/2010US20100118719 Base station apparatus, user equipment, and communication control method
05/13/2010US20100118208 Time-dependent trellis coding for more robust digital television signals
05/13/2010US20100117858 Method and system for cost-effective power line communications for sensor data collection
05/12/2010EP2184900A1 Apparatus and method for transmitting and receiving a signal
05/12/2010EP2184873A1 Base station device, mobile station device, and synchronization channel transmission method
05/12/2010EP2184867A1 Wireless communication device
05/12/2010EP2184864A2 Method and apparatus for data transmission using multiple transmit antennas
05/12/2010EP2183896A2 Frequency diverse transmissions in a wireless communication system
05/12/2010EP2183895A2 Method of transmitting data using repetition coding
05/12/2010EP2183894A2 Multicarrier communication system employing explicit frequency hopping
05/12/2010EP2183893A1 System and method for distributed input distributed output wireless communications
05/12/2010EP2183852A1 Iq imbalance image suppression
05/12/2010EP1269705B1 Terminal equipment and data transmission system
05/12/2010DE102006052946B4 Einrichtung zur Offsetbestimmung, Einrichtung zur Offsetkompensation, Synchronisierungstaktgenerator, Verfahren zur Offsetbestimmung und Modulationsverfahren Means for determining offset, offset compensation device, synchronizing clock generator, method for determining offset and modulation method
05/12/2010CN201467163U Discrete pilot-based channel estimation and equalization device
05/12/2010CN201467162U Group Modulation/demodulation equipment for code domain reference Chirp ultra-wide band system based on active spectrum compression
05/12/2010CN201467161U Low-threshold modulator-demodulator based on time diversity
05/12/2010CN201467160U Same-frequency two-way transmission system
05/12/2010CN201467141U Multi-rate parallel transmission modulator-demodulator based on secondary modulation
05/12/2010CN201466791U Wireless video and audio monitoring system for emergency command of electric power rush-repair
05/12/2010CN1998211B Method for transmitting/receiving data in mobile communication system using an OFDMA scheme
05/12/2010CN1998137B Apparatus for and method of controlling a feedforward filter of an equalizer
05/12/2010CN1988454B Method and device for reporting channel quality indication
05/12/2010CN1968246B Wireless communication circuit and method for transmitting information
05/12/2010CN1946072B Communication system with two bit differentical type amplitude shift modulation and demodulation
05/12/2010CN1926831B Data detection for a hierarchical coded data transmission
05/12/2010CN1917500B Quadrature frequency changer, tuner and modulator
05/12/2010CN1917498B Phase compensation method of space-frequency group code in use for overcoming drift of interception position in OFDM
05/12/2010CN1917497B Self-adaptive method for carrying out multiple input/output OFDM link through capacity
05/12/2010CN1917494B Wireless communication system, reception device, demodulating method
05/12/2010CN1917491B OFDM synchronization method of using training circulated prefix
05/12/2010CN1893414B 通信系统 Communication System
05/12/2010CN1893406B Method and device for cancellation of radio frequency pulse interference
05/12/2010CN1853367B Radio communication apparatus and subcarrier assignment method
05/12/2010CN1843011B OFDM signal demodulator circuit and OFDM signal demodulating method
05/12/2010CN1841987B Wireless communication apparatus and wireless communication method
05/12/2010CN1835490B Single pulse antenna time-space modulating method and device with position and elevation information
05/12/2010CN1805422B Method for transmitting and receiving preamble sequences in an orthogonal frequency division multiplexing communication system using a multiple input multiple output scheme
05/12/2010CN1805318B Uplink time frequency resource allocation method
05/12/2010CN1783748B Smart antenna communication system for signal calibration
05/12/2010CN1759581B GMSK modulation techniques
05/12/2010CN1731773B Apparatus and method for adjusting an input range for a soft-decision decoder
05/12/2010CN1711708B Method and apparatus for rake combining based upon signal to interference noise ratio
05/12/2010CN1700689B Demodulating device
05/12/2010CN1650591B Carrier wave reproduction apparatus
05/12/2010CN1650527B Digital audio broadcasting method and apparatus using complementary pattern-mapped convolutional codes
05/12/2010CN1620776B Constellation resetting of automatically repeat requesting transmitting diversity scheme
05/12/2010CN1608368B Control of power spectral density by modulation of subcarriers which do not carry data
05/12/2010CN1607722B Digital predistortion circuit and implementation method thereof
05/12/2010CN1567764B New sub-channel generating and allocating method of multi-user OFDMA system
05/12/2010CN1543103B Apparatus and method for performing channel estimation in an orthogonal frequency division multiplexing (ofdm) system using multiple antennas
05/12/2010CN1491504B Receiver for receiving data frames containing information and signaling data
05/12/2010CN1484877B Carrier interferometry coding and multicarrier processing
05/12/2010CN1448015B Multiplexing of real time services and non-real time services for OFDM systems
05/12/2010CN101707809A mixed waveform configuration for wireless communications
05/12/2010CN101707806A Method and apparatus for subcarrier selection, method for reducing interval interference and OFDMA system
05/12/2010CN101707584A Method for applying hierarchical modulation technology in T-MMB system
05/12/2010CN101707583A Method and device for determining cyclic prefix mode and timing with orthogonal frequency division multiplexing symbol
05/12/2010CN101707582A Method for estimating MIMO channel on basis of multi-phase decomposition
05/12/2010CN101707581A Transmitter
05/12/2010CN101707580A Time frequency combined synchronizing method based on fractional Fourier transform
05/12/2010CN101707579A Frequency domain equalization modulation/demodulation method for continuous phase modulation
05/12/2010CN101707578A Method for designing self-tracking signal source with single channel and single pulse system
05/12/2010CN101707577A Simulation device with sampling deviation of fixed fraction times
05/12/2010CN101707575A Chaotic noise signal estimating method based on symbolic vector dynamics
05/12/2010CN101707574A Channel estimation method and device
05/12/2010CN101707517A Transmission diversity method, channel estimation method and system thereof
05/12/2010CN101193086B A frequency planning method for OFDM system
05/12/2010CN101163123B Method and device for generating preposition frame
05/12/2010CN101155164B SINR estimation method for generalized multi-carrier system with DFT spread-spectrum
05/12/2010CN101155163B Random access method, system, transmitting end equipment and receiving end equipment
05/12/2010CN101132296B Pilot frequency design method, device and system for multicast business of multimedia broadcast
05/12/2010CN101119349B Improved OFDM signal modulating, demodulating method
05/12/2010CN101110808B Power distribution method combining with adaptive modulation encoding in OFDMA system
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