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
06/23/2010CN101753512A Shortwave high speed data transmission method based on single carrier frequency-domain equalization
06/23/2010CN101753511A Signal generation device and method
06/23/2010CN101753510A Method and system used for precise timing synchronization of CMMB system mobile TV
06/23/2010CN101753509A Method and device for subtracting direct current (DC) inside fast Fourier transform (FFT) module and FFT module
06/23/2010CN101753508A Multiple-in multiple-out wireless communication data detection method
06/23/2010CN101753507A Information sending method, business handling method, system, base station and mobile station
06/23/2010CN101753506A Adaptive joint encoder modulator and adaptive joint distribution encoding modulation method thereof
06/23/2010CN101753505A Method for synchronizing downlink time and frequency of OFDM system
06/23/2010CN101753504A Differential modulation and demodulation method, transmitter and receiver
06/23/2010CN101753503A Method for realizing frequency reuse in communication system
06/23/2010CN101753502A Signal processing method and signal processing device
06/23/2010CN101753501A Method for combining TD-SCDMA downlink with orthogonal frequency division multiplexing
06/23/2010CN101753500A Method and system for efficiently restraining large peak-to-average power ratio (PAPR) of OFDM system based on companding
06/23/2010CN101753499A Method for jointly estimating the integral multiple carrier frequency shift and accurate symbol timing
06/23/2010CN101753498A Method for filtering orthogonal frequency division multiplexing channel estimation results and the device thereof
06/23/2010CN101753497A Chirp signal and cosine signal allied modulation and demodulation method and signal transmitting and receiving method based on environment awareness
06/23/2010CN101753496A MAP demodulation technology for FQPSK based on grid coding
06/23/2010CN101753495A Very minimum chirp keying ultra-narrow bandwidth broadcast communication modulation method
06/23/2010CN101753494A Generation method of chaotic signal with low peak-to-average power ratio (PAPR)
06/23/2010CN101753493A Universal serial bus modulator-demodulator module
06/23/2010CN101753492A Method and system for correcting frequency offset of mobile communication terminal
06/23/2010CN101753491A Channel estimation method for multi-input multi-output-orthogonal frequency-division multiplexing system
06/23/2010CN101753286A Transmission method, device and system
06/23/2010CN101753263A QC-LDPC codes and system and method applied thereof
06/23/2010CN101753258A Method for mapping and decoding resource, device and communication system
06/23/2010CN101753214A Method and device for implementation of wireless communication via LED
06/23/2010CN101753181A Data transmission method, system and device
06/23/2010CN101753168A Method and system for correcting frequency offset of mobile communication system
06/23/2010CN101753101A Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter
06/23/2010CN101751963A Discriminator for discriminating employed modulation technique, signal demodulator, musical instrument and method of discrimination
06/23/2010CN101751766A Remote meter reading method and device based on power line
06/23/2010CN101227308B Analysis system and analysis method of mobile multimedia broadcast signal
06/23/2010CN101217524B Channel decoding device and method
06/23/2010CN101193087B Signal capturing method
06/23/2010CN101170534B A timing rough synchronization capturing method for mobile multimedia broadcast system
06/23/2010CN101166170B A simple transmission and receiving device and method based on multi-sub band filter groups
06/23/2010CN101166169B System and method for making frame synchronization tracking and channel detection based on frequency domain sequence
06/23/2010CN101053192B Method and system for determining a frequency offset
06/23/2010CN101039293B Apparatus, method and receiver for initial timing synchronization in communication system
06/23/2010CN101035106B Method for using the pilot symbol and asymmetric pilot frequency to carry out the combined channel estimation
06/22/2010US7742778 Method and apparatus for transient frequency distortion compensation
06/22/2010US7742767 Radio communication using OFDMA and IFDMA
06/22/2010US7742550 Wireless communication apparatus using fast fourier transforms to create, optimize and incorporate a beam space antenna array in an orthogonal frequency division multiplexing receiver
06/22/2010US7742547 Method and system for reading RFID tags
06/22/2010US7742546 Receiver spatial processing for eigenmode transmission in a MIMO system
06/22/2010US7742545 Method and apparatus for generating corrected quadrature phase signal pairs in a communication device
06/22/2010US7742544 System and method for efficient CABAC clock
06/22/2010US7742542 Phase correlated quadrature amplitude modulation
06/22/2010US7742541 Transmission circuit, and communication apparatus using the same
06/22/2010US7742540 Method and device for data processing in a wireless mobile terminal
06/22/2010US7742537 Time domain symbol timing synchronization circuit and method thereof for communication systems
06/22/2010US7742535 Crest factor reduction system and method for OFDM transmission systems using selective sub-carrier degradation
06/22/2010US7742533 OFDM signal transmission method and apparatus
06/22/2010US7742530 Digital television system
06/22/2010US7741926 Frequency synthesizer having improved frequency hopping
06/22/2010CA2453674C Point to multipoint system and process for the transmission over the electricity network of digital data
06/17/2010WO2010068417A1 Adaptive impedance matching (aim) for electrically small radio receiver antennas
06/17/2010WO2010068270A1 Method and apparatus for transmitting and receiving fec frame headers with variable header modulation
06/17/2010WO2010068069A2 Method for control channel detection in a multicarrier system
06/17/2010WO2010068029A2 Reference signal transmission method for downlink multiple input multiple output system
06/17/2010WO2010068022A2 Method of transmitting and receiving a signal and apparatus for transmitting and receiving a signal
06/17/2010WO2010068021A2 Method of transmitting and receiving a signal and apparatus for transmitting and receiving a signal
06/17/2010WO2010066204A1 Unified synchronous ranging channel design and allocation in wireless ofdma systems
06/17/2010WO2010042689A3 Systems and methods for unequal error protection and soft decision calculations
06/17/2010WO2010027198A3 Apparatus and method for scrambling in a wireless communication system
06/17/2010WO2010021510A3 Method and apparatus for transmitting reference signal in wireless communication system
06/17/2010WO2010021468A3 Precoding method for reducing uplink papr and apparatus thereof
06/17/2010US20100150577 Communication System and Method With Signal Constellation
06/17/2010US20100150284 Gps receiver with improved immunity to burst transmissions
06/17/2010US20100150283 Method and apparatus for digital signal reception
06/17/2010US20100150282 Apparatus for decoding convolutional codes and associated method
06/17/2010US20100150281 Apparatus and method for reception in multi-input multi-output system
06/17/2010US20100150280 METHODS, APPARATUS, AND SYSTEMS FOR UPDATING LOGLIKELIHOOD RATIO INFORMATION IN AN nT IMPLEMENTATION OF A VITERBI DECODER
06/17/2010US20100150279 Signal detection in multiple-input-multiple-output communication system
06/17/2010US20100150278 Receiver for high-speed wireless communication system and control method thereof
06/17/2010US20100150276 Digital Radio Tagging Using an RF Tuner Accessory
06/17/2010US20100150275 Systems and Methods for Digitizing Multiple Channels in a Receiver
06/17/2010US20100150274 Method and System for Determining a Signal Vector
06/17/2010US20100150273 Device and method for binary phase shift key demodulator using phase shifter
06/17/2010US20100150272 Wireless communications device for signal with selected data symbol mapping and related methods
06/17/2010US20100150271 modulated clock, an ic including the modulated clock and a method of providing a modulated clock signal for power control
06/17/2010US20100150270 Signal processing circuit and receiver using the same
06/17/2010US20100150269 Signal modulating device, signal transmitting method, and code generating method
06/17/2010US20100150268 Log Likelihood Ratio Arithmetic CircuitTransmission Apparatus, Log Likelihood Ratio Arithmetic Method, and Program
06/17/2010US20100150265 Antenna selection method and radio communication device
06/17/2010US20100150263 Method and system for communicating information in a digital signal
06/17/2010US20100150261 Wireless communication system using selective mapping for memory-less demodulation and related methods
06/17/2010US20100150258 Near soft-output maximum likelihood detection for multiple-input multiple-output systems using reduced list detection
06/17/2010US20100150257 Apparatus and method for estimating timing offset in a wireless communication system
06/17/2010US20100150256 Selective peak power reduction
06/17/2010US20100150255 Semiconductor integrated circuit including transmitter and receiver which conducts loopback test and test method thereof
06/17/2010US20100150254 Communication device incorporating beamforming handshaking
06/17/2010US20100150222 Quantum based information transmission system and method
06/17/2010US20100150221 Continuous Time - Decision Feedback Equalizer
06/17/2010US20100150220 Method and device for receiving a data signal consisting of symbol blocks and corresponding computer program
06/17/2010US20100150217 Channel estimation apparatus and method in mobile communication system having dispersed pilot
06/17/2010US20100150215 Use of powerlines for transmission of high frequency signals
06/17/2010US20100150214 Communication system using multi-user multiple input multiple output (mu-mimo) communication scheme
06/17/2010US20100150181 Appartus for receiving t-dmb signal and method of operating the same
06/17/2010US20100150058 Ofdm communication system with fast frequency hops
1 ... 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 ... 898