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)
07/2012
07/04/2012CN101729484B Vector hole adjustment method based on tangent principle
07/04/2012CN101729478B Method of multiple access of orthogonal frequency division multiplexing (OFDM) system
07/04/2012CN101729471B Composite transmission communication method of analogue signal and digital signal of broadcast communication system
07/04/2012CN101714960B Composite signal transfer transmitter/receiver based on modulated carriers of equal amplitude and equal period
07/04/2012CN101714959B Analog/digital signal compound transfer transmitter and receiver
07/04/2012CN101707584B Method for applying hierarchical modulation technology in T-MMB system
07/04/2012CN101667990B OFDM frequency offset joint estimation method
07/04/2012CN101662436B Frequency synthesizer used in dual carrier OFDM UWB
07/04/2012CN101610229B Joint LDPC encoding recursive MSK modulation and demodulation system and method therefor
07/04/2012CN101599940B Method and device for estimating noise power of orthogonal frequency division multiplexing system
07/04/2012CN101594326B Pre-distorted radio frequency amplifier
07/04/2012CN101588335B Multiple input multiple output (MIMO) detecting method and MIMO detecting system utilizing correlation of signal channels
07/04/2012CN101567747B Soft regulating method and soft regulating system suitable for high-speed downlink grouped access service
07/04/2012CN101552616B Mobile communication terminal and method of controlling transmission characteristic thereof
07/04/2012CN101512928B Transmission method and apparatus
07/04/2012CN101510866B Method, apparatus and transmitter for restraining signal peak-equal power ratio
07/04/2012CN101499843B Common frequency multi-cell downlink synchronization method applied to WCDMA system
07/04/2012CN101494637B Terminal access method and frame structure for WiMAX evolution system
07/04/2012CN101489286B Broadcast signal transmitting method and apparatus in wireless communication network
07/04/2012CN101479969B Method and device for data packing
07/04/2012CN101444099B Frequency translation module signal process method and signal process device
07/04/2012CN101431369B Downlink pilot transmission method for TDD system and its implementing apparatus
07/04/2012CN101416414B Receiver and receiving method
07/04/2012CN101404518B Frequency deviation estimation method and apparatus used for radio communication system
07/04/2012CN101399772B Bandwidth allocation method and device based on multi-carrier
07/04/2012CN101388723B Radio communication timing synchronization method, cell searching method and system
07/04/2012CN101378377B Method for suppressing peak power of orthogonally multiplexed signal, peak power suppressing circuit, and transmitter
07/04/2012CN101378263B Multi-carrier digital receiver based on digital intermediate frequency and multi-carrier digital receive method
07/04/2012CN101369836B Wireless signal transmitting/receiving method and transmitting/receiving device
07/04/2012CN101346894B A method and apparatus for generating a permutation for reverse link hopping in wireless communication system
07/04/2012CN101340415B Multi-path multiplexing apparatus and method for OFDM system
07/04/2012CN101340225B Data transmitting method, transmitter, receiver and radio communication system
07/04/2012CN101330482B Method for implementing rapid channel estimation using FWT in DMB-T system
07/04/2012CN101304395B Zero intermediate frequency transmitter as well as method and apparatus for correcting sideband and local oscillation leakage thereof
07/04/2012CN101297529B Sdma resource management
07/04/2012CN101287260B Quality uploading method and apparatus of downlink
07/04/2012CN101267225B Data buffer structure for asynchronously received physical channels in a CDMA system
07/04/2012CN101263666B Radio transmitting apparatus, radio receiving apparatus, and data placing method
07/04/2012CN101252557B Method and apparatus for receiving broadcast signal
07/04/2012CN101247377B Sequence mapping device and method for repeated signal transmission
07/04/2012CN101237245B Single-frequency broadcasting receiving method based on TD-SCDMA network
07/04/2012CN101213755B Transmission circuit and communication device
07/04/2012CN101207593B System and method for implementing modem intermediate frequency numeralization in wireless communication
07/04/2012CN101204055B Digital clock controller with radio receiver
07/04/2012CN101174867B Method for reducing height power ratio in multi-carrier system
07/04/2012CN101160748B Transmission method and transmission system
07/04/2012CN101114874B Synchronous signal transmitting method of TDD system
07/04/2012CN101110809B Method for transmitting data of multiple carrier wave
07/04/2012CN101106414B Method for transmitting digital signals in ground broadcasting system
07/04/2012CN101102096B Method, device and receiver unit for controlling one or more analog circuits by a serial bus
07/04/2012CN101094045B Method for transmitting correct reply message and / or error reply message
07/04/2012CN101076964B Channel estimator with spread channel bandwidth
07/04/2012CN101047681B Method for transmitting broadcast service information
07/04/2012CN101047677B Low complexity, high performance GFSK signal multi-bit demodulation method
07/04/2012CN101043489B Frequency shift key demodulation circuit, frequency modulation/demodulation circuit and method thereof
07/04/2012CN101015159B High data rate demodulation system
07/03/2012US8213552 Demodulation method
07/03/2012US8213551 Digital broadcasting transmission and reception devices and methods thereof
07/03/2012US8213550 Wideband digital receiver with integrated dynamic narrowband channelization and analysis
07/03/2012US8213549 Apparatus, computer program and method for determining a symbol estimate
07/03/2012US8213548 Methods and apparatus for dynamic packet reordering
07/03/2012US8213546 System and method for decoding RDS/RBDS data
07/03/2012US8213545 Radio receiving apparatus and radio receiving method
07/03/2012US8213544 Digital broadcasting system and method of processing data
07/03/2012US8213543 System and method for I/Q imbalance compensation
07/03/2012US8213542 Highly optimized digital IQ transmitter chain
07/03/2012US8213541 Receiving method for receiving signals by a plurality of antennas, and a receiving apparatus and a radio apparatus using the same
07/03/2012US8213540 System and method of transmit beam selection
07/03/2012US8213539 Antenna selection and training using a spatial spreading matrix for use in a wireless MIMO communication system
07/03/2012US8213538 Methods and apparatus for improved utilization of air link resources in a wireless communications system
07/03/2012US8213537 Apparatuses, systems, and methods for reducing spurious emissions resulting from carrier leakage
07/03/2012US8213535 Transmitting apparatus with bit arrangement method
07/03/2012US8213534 Transmission apparatus and communication system
07/03/2012US8213533 Distributed antenna diversity transmission method
07/03/2012US8213528 Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel
07/03/2012US8213524 DTMB-based control system and receiving system having the same
07/03/2012US8213494 Sign-based general zero-forcing adaptive equalizer control
07/03/2012US8213465 Robust digital communication system
07/03/2012US8213464 Robust digital communication system
07/03/2012US8213437 Method of transmitting modulated signals multiplexed by frequency division multiplexing and physical quantity detector using this method
07/03/2012US8213399 System for multiple use subchannels
07/03/2012US8213398 Method for multiple use subchannels
07/03/2012US8213329 Base station apparatus and communication control method
07/03/2012US8213301 Systems and methods for network channel characteristic measurement and network management
07/03/2012US8213292 System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
06/2012
06/28/2012WO2012088288A1 Automatic frequency offset compensation in zero-intermediate frequency receivers using minimum-shift keying (msk) signaling
06/28/2012WO2012088280A2 Automatic frequency control under low signal-to-noise conditions
06/28/2012WO2012088273A1 Method and apparatus for digitally demodulating msk signals using a trellis with linear quantized inputs
06/28/2012WO2012087731A1 Wireless audio equipment using a quadrature modulation system
06/28/2012WO2012087445A1 Channel estimation for dvb-t2 demodulation using an adaptive prediction technique
06/28/2012WO2012087106A1 A configurable multi - modulation baseband modulator of software defined radio using fpga
06/28/2012WO2012086932A1 Method and user equipment for transmitting ack/nack information, and method and base station for receiving ack/nack information
06/28/2012WO2012086926A1 Method for reporting channel state information in wireless communication system and apparatus therefor
06/28/2012WO2012086425A1 Reception device and method
06/28/2012WO2012084551A1 Method for reducing the interfering influences of pulse-shaped interference signals in ofdm-based data transmission
06/28/2012WO2012084537A1 Methods and receiver for positioning of clock related spurious signals
06/28/2012WO2012083625A1 64qam demodulation method and device used in hsdpa service
06/28/2012WO2012083618A1 Method and apparatus for time offset processing
06/28/2012WO2012060649A3 Generation of harq-ack information and power control of harq-ack signals in tdd systems with downlink of carrier aggregation
06/28/2012WO2012060631A3 Method and device for feeding back precoding matrix indicator using interpolation
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