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)
07/2010
07/07/2010CN101771652A Amplitude limiting reserved sub carrier wave reduction PAPR method and system based on amplitude proportion factors
07/07/2010CN101771651A OFMD (Orthogonal Frequency Division Multiplexing) channel estimation technology
07/07/2010CN101771650A Channel estimation device and method for OFDM system
07/07/2010CN101771649A Method and network side device for transmitting physical random access channel
07/07/2010CN101771648A System and method for processing multi-antenna signal
07/07/2010CN101771647A Cell-specific resource mapping method
07/07/2010CN101771646A Resource mapping method of control information channel
07/07/2010CN101771645A Transmission method of orthogonal frequency division multiplexing signals and transmission device
07/07/2010CN101771644A Joint detection and soft decision decoding-based signal receiving method
07/07/2010CN101771643A Method for processing signal and device thereof
07/07/2010CN101771642A Pilot frequency transmission method for dual-user private flow
07/07/2010CN101771641A Configuration method and device of P-SCH (Primary Synchronization Channel) as well as synchronization signal generation method and device of P-SCH
07/07/2010CN101771640A Transmission method for dedicated pilot frequency
07/07/2010CN101771638A Channel estimation method and device
07/07/2010CN101771635A Generating method as well as vector file generating device and method of test signal
07/07/2010CN101771634A MIMO-OFDM detection method for sub-carrier grouping
07/07/2010CN101771520A Method and device for sending feedback information
07/07/2010CN101771515A Method for transmitting hybrid automatic repeat request-acknowledgement character (HARQ-ACK)
07/07/2010CN101771511A Method and device for feeding back ACK (Acknowledge Character)/NACK (Negative Acknowledgement) in multi-carrier upgrade system
07/07/2010CN101771502A Method of information reuse, system and user end thereof
07/07/2010CN101771497A Signal transmitting method and device
07/07/2010CN101771462A Method and device for allocating downlink control channel resource in multicarrier system
07/07/2010CN101771450A Method and apparatus for antenna selection and power control in a multiple input multiple output wireless communication system
07/07/2010CN101771441A Outdoor unit and method thereof for improving output performance
07/07/2010CN101771437A Transmission method for dedicated pilot frequency
07/07/2010CN101771431A Uplink pilot setting system and method
07/07/2010CN101771429A Signal channel processing method based on multi-carrier wave system
07/07/2010CN101212438B Precoder selection method and device
07/07/2010CN101026607B Common frequency community downlink synchronous code detecting method and device
07/06/2010US7752430 Data encryption on the physical layer of a data transmission system
07/06/2010US7751515 Method, system and receiver in receiving a multi-carrier transmission
07/06/2010US7751508 Multi-resolution frequency tracking loop system and method
07/06/2010US7751506 Method for the soft bit metric calculation with linear MIMO detection for LDPC codes
07/06/2010US7751505 LDPC encoder and encoder and method thereof
07/06/2010US7751504 Frequency modulation-frequency shift keying demodulator
07/06/2010US7751503 Method for acquiring timing and carrier synchronization of offset-QPSK modulated signals
07/06/2010US7751502 Apparatus to detect a sync signal, a VSB receiver using the same, and a method thereof
07/06/2010US7751501 Tracking system
07/06/2010US7751500 Method of selecting demodulation scheme and digital broadcast receiver using the same
07/06/2010US7751499 Despreading-on-demand for use in spread spectrum receivers
07/06/2010US7751497 Method to minimize compatibility error in hierarchical modulation using variable phase
07/06/2010US7751496 Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
07/06/2010US7751489 Digital generator and digital receiver for FDM signals
07/06/2010US7751464 Method of data transmission with iterative multi-user detection and apparatus using the same
07/06/2010US7751448 Method of symbol timing synchronization in communication systems
07/06/2010US7751429 Signaling format for WLANS
07/06/2010US7751369 Radio communication apparatus and radio communication method
07/06/2010US7751308 Cell search method for orthogonal frequency division multiplexing based cellular communication system
07/06/2010US7751304 Apparatus and method for transmitting/receiving pilot code pattern for identification of base station in communication system using orthogonal frequency division multiplexing scheme
07/06/2010US7750749 Switching circuit, and a modulator, demodulator or mixer including such a circuit
07/06/2010CA2265330C Receiver for digital broadcast signal including transmitter identification information
07/01/2010WO2010075533A1 Methods and systems for timing acquisition robust to channel fading
07/01/2010WO2010075374A2 Extracting information from positioning pilot channel symbols in forward link only system
07/01/2010WO2010075191A2 Methods and systems for dl-map processing
07/01/2010WO2010074474A2 Channel estimation method and apparatus for wireless communication system
07/01/2010WO2010074235A1 User equipment and mobile communication method
07/01/2010WO2010073889A1 Distortion compensation circuit, transmitter, and distortion compensation method
07/01/2010WO2010073720A1 Receiver apparatus, image signal attenuating method, and mismatch compensating method
07/01/2010WO2010073702A1 Wireless base station, wireless terminal, and channel signal formation method
07/01/2010WO2010073468A1 Base station device, mobile station device, communication system, and communication method
07/01/2010WO2010073097A1 A method for channel estimation based on pn sequences
07/01/2010WO2010073095A1 Time error detection
07/01/2010WO2010072979A2 Method for transmitting a data signal via a plurality of transmitting entities
07/01/2010WO2010072963A1 Polyphase decomposition of a filter bench for oversampled ofdm
07/01/2010WO2010072677A1 Method and apparatus for estimating phase noise in an ofdm transmission system
07/01/2010WO2010072550A1 Mixed-signal transmission circuit for switching power amplifiers
07/01/2010WO2010072413A1 Method and system for spectral density enhancement and impairment mitigation in a communications network
07/01/2010WO2010072069A1 A method and an apparatus for mapping the constellation
07/01/2010WO2010072020A1 Method for signalling in a wireless communication system
07/01/2010WO2010071977A1 Baseband recovery in wireless networks, base transceiver stations, and wireless networking devices
07/01/2010WO2010071917A1 Optical ofdm transmission with improved efficiency
07/01/2010WO2010036037A3 Channel information feedback apparatus and method for generating multiple antenna beams in an ofdm system
07/01/2010WO2010035088A3 Method and apparatus for the exclusive identification of control signals in a railway electric line
07/01/2010WO2010032969A3 Method and apparatus for data transmission/reception in a communication system using multiple carriers
07/01/2010US20100167782 Transaction control system including portable data terminal and mobile customer service station
07/01/2010US20100166432 Coding device, pulse regenerating device, and communications system
07/01/2010US20100166124 Digital architecture for radio-frequency apparatus and associated methods
07/01/2010US20100166123 Cascaded local oscillator synthesizer
07/01/2010US20100166122 Systems and methods for fast seek and scan functions in a digital radio broadcast receiver
07/01/2010US20100166121 Methods and apparatus for receiver having fast walsh transform
07/01/2010US20100166120 Method and Apparatus for Correlating Two Data Sections
07/01/2010US20100166119 Mimo symbol decoder and method for decoding spatially multiplexed symbols using combined linear equalization and maximum likelihood decoding
07/01/2010US20100166118 Channel estimation for a wireless communication system with multiple parallel data streams
07/01/2010US20100166117 Data receiving apparatus and method
07/01/2010US20100166116 Method and device for receiving opfdm-dqpsk signal
07/01/2010US20100166115 Phase error detection with conditional probabilities
07/01/2010US20100166113 Receiver state estimation in a duty cycled radio
07/01/2010US20100166112 Integrated micro-sampling wireless receiver
07/01/2010US20100166111 Method and apparatus for performing harq in wireless communication system
07/01/2010US20100166108 Digital broadcasting system and method of processing data in digital broadcasting system
07/01/2010US20100166107 Systems and Methods for Transmitter Diversity
07/01/2010US20100166106 Discrete fourier transform processing apparatus and radio communication apparatus
07/01/2010US20100166105 Transmitter and the Method Therefor
07/01/2010US20100166104 Uwb dual burst transmit driver
07/01/2010US20100166103 Method and apparatus of transmiting encoded message
07/01/2010US20100166102 Windowed orthogonal division multiplexing for spectrum agile radios
07/01/2010US20100166101 Method for estimating the signal-to-noise ratio for packet transmission and reception systems of signals based on m-dpsk modulations and apparatus thereof
07/01/2010US20100166100 Multiple-input, multiple-output (mimo) systems with multiple transmission modes
07/01/2010US20100166099 Method for transmitting and estimating symbols coded with a coding matrix, and corresponding receiver and transmitter
07/01/2010US20100166092 TPS decoder for DVB-T television system and receiver using the same
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