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)
08/2012
08/22/2012CN102647390A Transform domain communication system and realization method thereof
08/22/2012CN102647389A Method and equipment for processing correlation in observed time difference of arrival (OTDOA) positioning
08/22/2012CN102647388A Apparatuses and methods for mulit-antenna channel quality data acquisition in broadcast/multicast service network using multicast symbol
08/22/2012CN102647387A Same frequency interference elimination method and device
08/22/2012CN102647386A Timely aligning method for use in multi-point cooperation OFDM (Orthogonal Frequency Division Multiplexing) system based on sub-band pre-coding
08/22/2012CN102647385A Automatic frequency tracking method and automatic frequency tracking device for digital optical-fiber repeater
08/22/2012CN102647384A Search window reducing misinformation and peak restraining
08/22/2012CN102647383A Data transmission method and data transmission system applied to OFDM (Orthogonal Frequency Division Multiplexing) baseband system
08/22/2012CN102647382A Integer frequency offset estimation method and integer frequency offset estimation device
08/22/2012CN102647381A Method and device for elevating frequency deviation in MPSK (Mary Phase Shift Keying) coherent light communication system
08/22/2012CN102647380A Fsk demodulator
08/22/2012CN102647372A Channel estimating method
08/22/2012CN102647266A Dual-mode shared OFDM methods/transmitters, receivers and systems
08/22/2012CN102647249A Signal acquisition apparatus and method
08/22/2012CN102647219A Transmitting apparatus and transmitting method
08/22/2012CN102647204A Scheme for realizing frequency hopping of multiband OFDM (Orthogonal Frequency Division Multiplexing) ultra-wide band system
08/22/2012CN102647194A 802.11p transmitter based on virtual instrument and transmitting method
08/22/2012CN102118352B Sampling quadrature demodulator
08/22/2012CN102006259B Method and device for estimating channel of long-term evolution system
08/22/2012CN101958855B Method, device and system for generating PRACH baseband signal
08/22/2012CN101909039B Phase modulator-based optical MSK modulation method and device
08/22/2012CN101854327B Self-adaptive demodulating method for multi-carrier system
08/22/2012CN101854315B Channel estimation system and method
08/22/2012CN101841908B TD-SCDMA downlink synchronization device based on correlation peak-to-mean ratio
08/22/2012CN101741803B Multi-band frequency spectrum aggregating wireless transmitter-receiver device
08/22/2012CN101741796B Frequency deviation estimating method and system
08/22/2012CN101662439B Wireless terminal, base station and channel estimation method
08/22/2012CN101651525B Transmission resource allocation method, feedback method and processing method for response signals
08/22/2012CN101582748B Method and device for detecting low-complexity signal of MIMO system
08/22/2012CN101558587B Light reception device and light reception method
08/22/2012CN101548518B Method and apparatus for achieving system acquisition and other signaling purposes using the preamble in an OFDM based communications system
08/22/2012CN101518009B Method for peak-to-average power ratio reduction in telecommunication systems
08/22/2012CN101499775B Method and apparatus for pulse compression processing the linear frequency modulation signal by CORDIC
08/22/2012CN101414868B CDAS station DCPR communication protocol and receiving method
08/22/2012CN101320994B Signal detection method and apparatus for OFDM system
08/22/2012CN101288282B Method and apparatus in a wireless terminal for measuring and compensation DC noise on the dc tone of a multi-carrier communication
08/22/2012CN101227222B Ground transmitting synchronous system of mobile multimedia broadcasting satellite dispense system an method thereof
08/22/2012CN101217288B An estimation method of virtual pilot frequency assistant channel
08/22/2012CN101023610B Method for transmitting a digital signal, method for receiving a digital signal, transmitter and receiver
08/21/2012US8250432 Variable modulation with LDPC (low density parity check) coding
08/21/2012US8249511 Downlink wireless transmission schemes with inter-cell interference mitigation
08/21/2012US8249200 Method and apparatus of binarizing input signal, disc driver and recording medium
08/21/2012US8249199 Low jitter and high bandwidth clock data recovery
08/21/2012US8249193 Reference signal sequence representation in wireless communication device
08/21/2012US8249192 Techniques to transmit data rate control signals for multi-carrier wireless systems
08/21/2012US8249191 Multi-user detection using equalization and successive interference cancellation
08/21/2012US8249190 Dual carrier modulation
08/21/2012US8249188 Mechanism for constructing an oversampled waveform for a set of signals received by a receiver
08/21/2012US8249187 System, method and apparatus for mobile transmit diversity using symmetric phase difference
08/21/2012US8249186 Method and apparatus for singular value decomposition of a channel matrix
08/21/2012US8249181 Multi-carrier transmission device and multi-carrier transmission method
08/21/2012US8249180 Receiving apparatus, receiving method, and program
08/21/2012US8249178 Multicarrier transmitter and multicarrier receiver
08/21/2012US8249177 Detection of frame marker quality
08/21/2012US8249139 Apparatus for data receiving and method for adjusting the same in real time
08/21/2012US8249131 Method for transmitting signals for interference randomization
08/21/2012US8249006 Method and apparatus for allocating and processing sequences in communication system
08/21/2012CA2630078C Communications system using adaptive baseband injected pilot carrier symbols and related method
08/21/2012CA2519366C Quadrature modulator which employs four 90-degrees-shifted carriers
08/21/2012CA2470795C Method and apparatus for providing signal acquisition and frame synchronization in a hierarchical modulation scheme
08/21/2012CA2392670C Method and apparatus for transmission of well-bore data on multiple carrier frequencies
08/21/2012CA2316782C Apparatus and method for transmission/reception
08/17/2012CA2767975A1 Skew estimator, skew compensator and coherent receiver
08/16/2012WO2012109486A1 System and method of recognizing electronic devices for exchanging payloads and permitting payload exchanges therebetween
08/16/2012WO2012109337A1 Two point modulation digital phase locked loop
08/16/2012WO2012109156A2 Embedded meta-carrier with spread spectrum via overlaid carriers
08/16/2012WO2012109111A1 Multi-clock phy preamble design and detection
08/16/2012WO2012109001A1 Communications system using a modified continous phase modulation scheme and a corresponding method
08/16/2012WO2012108928A1 Wireless communication system with common cell id
08/16/2012WO2012108913A1 Large delay cyclic delay diversity (cdd) precoder for open loop multiple-input multiple-output (mimo)
08/16/2012WO2012108616A1 Method for transmitting uplink control information and user equipment, and method for receiving uplink control information and base station
08/16/2012WO2012108605A1 Method for avoiding inter-cell interference in a wireless access system
08/16/2012WO2012108346A1 Wireless communication system, transmitter apparatus, receiver apparatus, and wireless communication method
08/16/2012WO2012108308A1 Data processing device and data processing method
08/16/2012WO2012107797A1 Processing samples of a received rf signal
08/16/2012WO2012106893A1 Method, device and system for processing optical orthogonal frequency division multiplexing signal
08/16/2012WO2012070497A9 Terminal device, base station device, communication system and communication method
08/16/2012US20120210024 Data transfer device and storage device
08/16/2012US20120209113 Pulse compression system and method
08/16/2012US20120207254 Apparatus and method for mmse channel estimation in consideration of offset compensation in wireless communication system
08/16/2012US20120207253 Method and apparatus for performing channel estimation in a wireless communication system
08/16/2012US20120207252 Frequency correction of a programmable frequency oscillator by propagation delay compensation
08/16/2012US20120207251 Blind frequency-offset estimation for spatially correlated signal
08/16/2012US20120207250 Ofdm reception device, ofdm reception circuit, ofdm reception method, and ofdm reception program
08/16/2012US20120207248 Estimation of Sample Clock Frequency Offset Using Error Vector Magnitude
08/16/2012US20120207247 High-speed flash analog to digital converter
08/16/2012US20120207246 Phase-Shift Keying Demodulators and Smart Cards Including the Same
08/16/2012US20120207244 Input device receiver path and transmitter path error diagnosis
08/16/2012US20120207242 Adaptive puncturing technique for multicarrier systems
08/16/2012US20120207237 Wireless communication system using pilot subcarrier allocation
08/16/2012US20120207234 Method for Transmitting Digital Data, and Transmitter Base Implementing Such a Method
08/16/2012US20120207233 Signaling to application lack of requested bandwidth
08/16/2012US20120207232 Multi-clock phy preamble design and detection
08/16/2012US20120207231 Multi-clock phy preamble design and detection
08/16/2012US20120207229 Digital pre-distortion
08/16/2012US20120207204 Clock Recovery Circuit for Receiver Using Decision Feedback Equalizer
08/16/2012US20120207203 Analog Continuous-Time Phase Equalizer for Data Transmission
08/16/2012US20120207202 Adaptive Phase Equalizer
08/16/2012US20120207201 Systems and Methods for Data Detection Using Distance Based Tuning
08/16/2012US20120207199 Method and device for generating and mapping channel state information reference signal sequence
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