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)
05/2012
05/03/2012WO2012055065A1 Method and arrangement in wireless communications system
05/03/2012WO2012036473A3 Method and apparatus for transmitting control information
05/03/2012WO2012036409A3 Method and device for transmitting control information
05/03/2012WO2012035345A3 Ofdm system using passive phase conjugation
05/03/2012WO2012034074A3 16-qam optical signal generation
05/03/2012WO2012033366A3 Method and device of transmitting a plurality of reception confirmation information
05/03/2012WO2012030100A3 Method and device for relay node retransmitting backhaul uplink to base station in a wireless communication system
05/03/2012WO2012023793A3 Method and apparatus for transmitting control information in a wireless communication system
05/03/2012WO2012002767A3 Method and apparatus for transmitting signals using codebooks in a wireless communication system that supports multiple antennas
05/03/2012US20120106683 Method and apparatus for parallel turbo decoding in long term evolution system (lte)
05/03/2012US20120106682 Controlled Transmission of Data in a Data Transmission System
05/03/2012US20120106681 Method for configuring a telecommunication system
05/03/2012US20120106680 Crest factor reduction in multicarrier transmission schemes
05/03/2012US20120106679 Systems and methods for handling data rate changes within a packet or frame
05/03/2012US20120106678 Method and apparatus to improve acquisition of a quadrature amplitude modulated (qam) signal having a frequency offset
05/03/2012US20120106674 Reception apparatus and transmission apparatus for supporting scalable bandwidth in carrier aggregation environment
05/03/2012US20120106673 Odd interleaving only of an odd-even interleaver when half or less data subcarriers are active in a digital video broadcasting (dvb) system
05/03/2012US20120106672 Methods and adapters for use with electric devices to manage energy services
05/03/2012US20120106670 Method, server and customer terminal for digital content transmission
05/03/2012US20120106669 Dynamic encode setting adjustment
05/03/2012US20120106665 Transmitting and receiving method, and radio apparatus utilizing the same
05/03/2012US20120106664 Variable Symbol Period Assignment And Detection
05/03/2012US20120106663 Method for transmitting data
05/03/2012US20120106662 Wireless communication apparatus, decoding processing method and wireless communication system
05/03/2012US20120106661 Aperiodic channel quality information sending method
05/03/2012US20120106660 Reception apparatus, reception method, demodulation apparatus, demodulation method, and program
05/03/2012US20120106659 Digital retro-directive communication system and method thereof
05/03/2012US20120106658 Mixed-Mode Wireless Device Operation
05/03/2012US20120106657 Distributed antenna system with combination of both all digital transport and hybrid digital/analog tranpsort
05/03/2012US20120106655 Apparatus for transferring data between bodies undergoing rotation
05/03/2012US20120106619 Signal processing apparatus, signal processing method and program
05/03/2012US20120106618 Method for receiving frequency domain multiplexed signal and device for receiving frequency domain multiplexed signal
05/03/2012US20120106617 System and method for anticipatory receiver switching based on signal quality estimation
05/03/2012US20120106616 Adaptive equalization in the presence of burst errors
05/03/2012US20120106615 Multidimensional adaptively trained equalization
05/03/2012US20120106611 Phase locking loop
05/03/2012US20120106609 System and method for channel classification
05/03/2012US20120106604 System and Method of Communication Using at Least Two Modulation Methods
05/03/2012US20120106601 System and Method for Packet Communication
05/03/2012US20120106599 Constellation rotation relay system and constellation rotation relay method
05/03/2012US20120106596 Adaptive pilot structure to assist channel estimation in spread spectrum systems
05/03/2012US20120106513 Methods and apparatus for signal transmission and reception in a broadband communication system
05/03/2012US20120106402 Polar modulator
05/03/2012CA2814203A1 System and method of frequency offset compensation for radio system with fast doppler shift
05/02/2012EP2448338A1 Wireless base station device, mobile terminal device, and transmission electric power control method
05/02/2012EP2448322A1 Communication terminal
05/02/2012EP2448164A2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
05/02/2012EP2448163A2 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
05/02/2012EP2448161A1 Mobile terminal device, wireless base station device, and wireless communication method
05/02/2012EP2448143A2 Method and apparatus for transmitting reference signals in uplink multiple input multiple output (mimo) transmission
05/02/2012EP2446686A1 Universal transmitter and receiver for the international television bands
05/02/2012EP2446598A2 Method and apparatus that facilitates interference reduction in wireless systems
05/02/2012EP2446597A2 Low complexity unified control channel processing
05/02/2012EP2446566A1 Transmission of reference signal on non-contiguous clusters of resources
05/02/2012EP1758330B1 Amplitude modulation device, amplitude limit method, and computer-readable program
05/02/2012EP1525664B1 Method and system for memory management in low density parity check (ldpc) decoders
05/02/2012CN1905427B Wireless frame transmission method of TD SCDMA system based on OFDM
05/02/2012CN102440060A Discontinuous uplink transmission operation and interference avoidance for a multi-carrier system
05/02/2012CN102440038A Method and apparatus for power scaling for multi-carrier wireless terminals
05/02/2012CN102439933A Peak-to-average power ratio reduction with bounded error vector magnitude
05/02/2012CN102439932A Sub-frame structure for use in advanced communication systems
05/02/2012CN102439930A Adaptive filter
05/02/2012CN102439928A Fast cycle slip detection and correction
05/02/2012CN102439927A Method and processing arrangement for joint processing of uplink data
05/02/2012CN102439887A Signal modulation device and method
05/02/2012CN102438335A Medium-long range wireless sensor network networking system
05/02/2012CN102438227A Radio communication base station apparatus, method and semiconductor integrated circuit for radio communication
05/02/2012CN102437995A Iterative carrier synchronizing method and system based on code-by-code iterative detection
05/02/2012CN102437994A Crest clipping method and equipment for multiband broadband signal
05/02/2012CN102437993A Method for searching position of peak reduction tone (PRT) set based on genetic algorithm
05/02/2012CN102437992A Method and device for estimating frequency ramp and frequency deviation in satellite mobile communication system
05/02/2012CN102437991A Method and device for synchronizing GFP (Generic Framing Procedure) bit streams
05/02/2012CN102437990A Multi-channel light carrier generating device adopting F-P cavity filter
05/02/2012CN102437989A Correlator and demodulation device including correlator
05/02/2012CN102437988A Method and device for utilizing frequency spectrum of digital radiated television
05/02/2012CN102437987A Method and device for generating and mapping channel state information reference signal sequence
05/02/2012CN102437986A Reference signal mapping method and device
05/02/2012CN102437985A Method and device for modulating dual-quadrature phase shift keying signal
05/02/2012CN102437984A Modulation signal identification method based on complexity characteristic under low signal-to-noise ratio condition
05/02/2012CN102437983A Method and device for self-correcting emitting end I/Q modulation imbalance
05/02/2012CN102437977A Low-complexity efficient channel estimation algorithm
05/02/2012CN102437902A Method and device for transmitting and receiving response message and scheduling request indication (SRI) message
05/02/2012CN102437900A Digital interphone and method for reducing error rate of digital interphone
05/02/2012CN102437896A Bit interleaving and constellation mapping method and apparatus thereof
05/02/2012CN102436001A Modulation signals for a satellite navigation system
05/02/2012CN101808364B Carrier aggregation system business transmission method and equipment
05/02/2012CN101692666B Method for filtering time domain channel response noises
05/02/2012CN101548519B Using the preamble in an OFDM-based communications system to indicate the number of guard tones
05/02/2012CN101521653B Baseband modulating method, system and linear modulating device
05/02/2012CN101518013B Method and system to reduce papr in single carrier and scbt communications systems
05/02/2012CN101346914B Combined receiver for DVB-H and DVB-T transmissions
05/02/2012CN101252565B Rapid frame synchronization method
05/02/2012CN101057472B Method and apparatus for arranging pilot tones in a mobile communication system
05/02/2012CN101043487B 混沌信号发射机 Chaotic signal transmitter
05/02/2012CN101005481B Demodulation circuit and demodulating method
05/01/2012USRE43338 Modulation method and radio communication system
05/01/2012US8170571 Base station and mobile station communicating with OFDM system using a plurality of subcarriers and communication method with OFDM system using a plurality of subcarriers
05/01/2012US8170513 Data detection and demodulation for wireless communication systems
05/01/2012US8170157 Low jitter communication system
05/01/2012US8170155 Method and apparatus for channel quality measurements
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