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)
12/2009
12/17/2009WO2009130658A3 Systems and methods for decoding dual carrier modulated signals
12/17/2009WO2009130109A3 Apparatus and method for allocation of subcarriers in clustered dft-spread-ofdm
12/17/2009WO2009113796A3 Apparatus and method for composing diversity subchannel in wireless communication system
12/17/2009WO2009101606A3 A radio sensor for detecting wireless microphone signals and a method thereof
12/17/2009US20090313528 Method and System for Cooperative Communications with Minimal Coordination
12/17/2009US20090310979 Electronic circuit and communication system
12/17/2009US20090310786 Systems for Channel Coordination of Audio and Data Transmission in a Broadcast Band
12/17/2009US20090310724 Interference mitigation for devices with multiple receivers
12/17/2009US20090310723 Automatic gain control circuit
12/17/2009US20090310722 Tracking system
12/17/2009US20090310721 Opportunistic intermediate frequency selection for communication receivers
12/17/2009US20090310718 Data distribution system and reception apparatus
12/17/2009US20090310717 Signal converters
12/17/2009US20090310716 Channel bit detection system
12/17/2009US20090310715 Receiver and method for processing radio signals using soft pilot symbols
12/17/2009US20090310714 Method and apparatus for channel estimation
12/17/2009US20090310713 Receiving apparatus, receiving method, and program
12/17/2009US20090310712 Wireless receiver
12/17/2009US20090310711 Transmitter and receiver capable of reducing in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof
12/17/2009US20090310710 Crest factor reduction with phase optimization
12/17/2009US20090310709 Amplitude modulated pulse transmitter
12/17/2009US20090310708 Transmitter and Method for Transmitting Soft Pilot Symbols in a Digital Communication System
12/17/2009US20090310707 Transmitter and method for transmitting soft pilot symbols in a digital communication system
12/17/2009US20090310706 Transmitter and Receiver Using Pseudo-Orthogonal Code
12/17/2009US20090310704 Low Complexity Systems and Methods for Peak-to-Average Ratio (PAR) Reduction Using Reserved Tones
12/17/2009US20090310703 Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
12/17/2009US20090310697 Multiple-input multiple-output (mimo) transmitter and communication system
12/17/2009US20090310694 Apparatus and method for transmitting and receiving map information in a broadband wireless communication system
12/17/2009US20090310693 Efficient cqi signaling in multi-beam mimo systems
12/17/2009US20090310692 Channel access protocol for wireless communication
12/17/2009US20090310691 Methods and systems for carrier frequency offset estimation and correction ofdm/ofdma systems
12/17/2009US20090310690 Methods and systems of agc and dc calibration for ofdm/ofdma systems
12/17/2009US20090310689 Method for modulating a carrier signal and method for demodulating a modulated carrier signal
12/17/2009US20090310687 Method and apparatus for space-time-frequency encoding and decoding
12/17/2009US20090310667 Phase control block for managing multiple clock domains in systems with frequency offsets
12/17/2009US20090310665 Methods and Systems for Digitally Processing Optical Data Signals
12/17/2009US20090310660 System and method for determining a suitable impedance for a modem
12/17/2009US20090310657 Method for Low Power Communication Encoding
12/17/2009US20090310656 Communication system and technique using qr decomposition with a triangular systolic array
12/17/2009US20090310524 Receiver and receiving method of the receiver
12/17/2009US20090310507 Method and apparatus for transmitting and receiving information about forward channel status in a multi-carrier mobile communication system
12/17/2009US20090310014 Digital e8-vsb reception system and e8-vsb data demultiplexing method
12/17/2009DE102004042368B4 Digitales Filter zur sendeseitigen Pulsformung Digital filter for transmitting side pulse shaping
12/17/2009CA2724885A1 Interference reduction between ofdm carriers by carrier spacing optimization
12/16/2009EP2134053A2 Digital transmitters for wireless communication
12/16/2009EP2134052A1 An improved QAM transmission scheme for AWGN channels
12/16/2009EP2134051A1 An adaptive QAM transmission scheme for improving performance on an AWGN channel
12/16/2009EP2134050A2 Wireless communication systems and methods using reference signals
12/16/2009EP2134049A2 Frequency Division Multiple Access for Wireless Communication
12/16/2009EP2134048A2 Carrier frequency error detection in a multicarrier receiver
12/16/2009EP2134047A1 Transmitter and ssb signal generation method
12/16/2009EP2134021A2 Base station device, mobile station device, control information transmission method, control information reception method and program
12/16/2009EP2134020A2 Base station device, mobile station device, control information transmission method, control information reception method and program
12/16/2009EP2134015A1 Time reference identification method
12/16/2009EP2134011A2 Delay interferometer
12/16/2009EP2134010A2 Delay interferometer
12/16/2009EP2134009A2 Delay Interferometer
12/16/2009EP2133708A2 Radio communication apparatus and frequency offset calculation method
12/16/2009EP2132946A2 Uplink multiple-input-multiple-output (mimo) and cooperative mimo transmissions
12/16/2009EP2132914A1 Coherent initial acquisition
12/16/2009EP2132913A2 Apparatuses and methods for multi-antenna channel quality data acquisition in a broadcast/multicast service network using a multicast symbol
12/16/2009EP2132912A2 Digital broadcast service discovery correlation
12/16/2009EP2132886A1 A receiver
12/16/2009EP2132884A1 System and method for performing channel estimation using interpolation
12/16/2009EP1692797B1 System and method for transmitting random access data using orthogonal frequency division multiple access
12/16/2009CN101606427A Method of reducing overhead for multi-input, multi-output transmission system
12/16/2009CN101606368A Decoding communication signals
12/16/2009CN101606367A Method of synchronizing multi-carrier systems and multi-carrier system
12/16/2009CN101606366A Phase correction device
12/16/2009CN101606356A Method for transmitting channel quality information based on differential scheme
12/16/2009CN101606340A Method and apparatus for packet detection in a wireless communications system
12/16/2009CN101605122A Receiver and receiving method of the receiver
12/16/2009CN101605121A Control channel transmission method and radio communication apparatus
12/16/2009CN101605120A Method and device for decoding iterated internal code and evaluating channel for orthogonal frequency division multiplexing system
12/16/2009CN101605119A Method for reducing peak-to-average power ratio by chaotically coding time-domain OFDM signals
12/16/2009CN101605118A HF-VHF communication frame synchronization system and method
12/16/2009CN101605117A Pilot frequency distributing method and system
12/16/2009CN101605116A Method for forming guard intervals of frame structure and method and device for reconstructing circular convolution
12/16/2009CN101605115A Method for realizing passive oriented buoy digital de-multiplexer
12/16/2009CN101605114A Demodulator
12/16/2009CN101605113A Method and device for managing self-contained storing devices of modem
12/16/2009CN101605112A Ultra wide band chaotic communication method
12/16/2009CN101605023A Method and device for mapping control channel sources
12/16/2009CN101605016A Method and device for sorting codebook
12/16/2009CN101605009A Carrier mode detecting system for digital ground multimedia broadcast
12/16/2009CN101605008A Control system used in digital terrain multimedia broadcasting
12/16/2009CN101605000A Method with strong anti-multi-path capability for processing moveable underwater sound communication signal
12/16/2009CN100571247C Transmitter circuit, transmission method, and communications device using the transmitter circuit
12/16/2009CN100571246C Quadrature modulation system
12/16/2009CN100571245C Time-domain synchronous OFDM space-frequency coding time-frequency combination channel estimating method
12/16/2009CN100571244C A power calibration method in multi-carrier communication system
12/16/2009CN100571243C A group frame synchronization method
12/16/2009CN100571242C Method for realizing adaptive modulation for orthogonal frequency division multiplexing system
12/16/2009CN100571241C A half-blind channel estimating method of orthogonal frequency division multiplexing system
12/16/2009CN100571240C A method for setting cycle prefix parameter of wireless signal frame
12/16/2009CN100571239C Synchronous pilot frequency sequence forming system and method in communication system
12/16/2009CN100571238C Transmitting and receiving device for multiple carrier system, and transmitting and receiving method thereof
12/16/2009CN100571237C OFDM demodulation method
12/16/2009CN100571236C Method, system and receiver for receiving multi-carrier transmission
12/16/2009CN100571235C A carrier residual frequency deviation tracking method based on OFDM system
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