Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2008
05/15/2008WO2008056212A1 Frequency domain cazac pilot sequences for multi-users sc-fdma systems
05/15/2008WO2008055442A1 Waveform modulated wireless rural area network (wran) systems and modulation and multiple access techniques for wireless communication systems
05/15/2008WO2008009012A3 Transformer coupling of antennas
05/15/2008WO2008001269A3 Phase-to- frequency conversion for polar transmitters
05/15/2008WO2007132313A3 Feedback frame structure for subspace tracking precoding
05/15/2008US20080112516 Method and apparatus for providing an energy-based signal tracking loop
05/15/2008US20080112515 Joint Demodulation Using a Viterbi Equalizer Having an Adaptive Total Number of States
05/15/2008US20080112514 Method and system for performing Viterbi decoding using a reduced trellis memory
05/15/2008US20080112513 Method and apparatus for controlling sampling of signals produced in relation to stored data
05/15/2008US20080112512 Transmitted reference signaling scheme
05/15/2008US20080112511 Receiver
05/15/2008US20080112510 Radio reception apparatus, radio reception method and radio reception program capable of switching modulation methods
05/15/2008US20080112509 Method and circuit for determining a clock signal sampling instant for symbols of a modulation method
05/15/2008US20080112507 High speed differential encoder and interleaver
05/15/2008US20080112506 Transmission power optimization
05/15/2008US20080112502 System for digital television broadcasting using modified 2/3 trellis coding
05/15/2008US20080112501 Device and Method for Optimal Estimation of Distortion of a Transmission Medium, Comprising the Sequential Emission of Pairs of Quadrature Complementary Sequences
05/15/2008US20080112494 Method and apparatus for channel estimation in ofdm receivers
05/15/2008US20080112493 Method and System for Recursively Detecting MIMO Signals
05/15/2008US20080112492 System and Method of Transmitting Data within a Three-Wire Network
05/15/2008US20080112479 Frequency Domain Equalization of Communication Signals
05/15/2008US20080112472 Methods and systems for adaptive communication
05/15/2008US20080111761 Digital TV Antenna
05/15/2008DE102006040279B4 Verfahren und Anordnung zum Senden von Funksignalen mit mehreren parallelen Datenströmen mit reduzierter rechentechnischer Komplexität Method and apparatus for transmitting radio signals with multiple parallel data streams with reduced computational complexity of technical
05/15/2008DE102006038411A1 Empfänger und Verfahren zum Empfangen eines ein Kanalprofil aufweisenden Datensignals Receiver and method for receiving a channel profile having a data signal
05/15/2008CA2667805A1 Methods and apparatus for signal and timing detection in wireless communication systems
05/15/2008CA2667098A1 Sub-band dependent resource management
05/15/2008CA2667023A1 Method and apparatus for cell search in an orthogonal wireless communication system
05/15/2008CA2667011A1 Joint use of multi-carrier and single-carrier multiplexing schemes for wireless communication
05/15/2008CA2666311A1 Reference signal design for cell search in an orthogonal wireless communication system
05/15/2008CA2666303A1 Cell search based on beacon in a wireless communication system
05/14/2008EP1921815A2 Methods and apparatuses for orthogonal frequency division multiplexing communication
05/14/2008EP1921756A2 Digital communication method and system using multidimensional hopping patterns
05/14/2008EP1920571A1 Semiconductor device and wireless communication system
05/14/2008EP1920570A2 System and method for automatic adjustment of streaming video bit rate
05/14/2008EP1920550A2 Method and apparatus for providing addressing in a multi-carrier communication system
05/14/2008EP1792458B1 Resonant circuit arrangement, method for operating said resonant circuit arrangement and method for the operation and use thereof
05/14/2008EP1668858B1 Fast calibration of electronic components
05/14/2008EP1481502B1 Hierarchical preamble constructions for ofdma based on complementary sequences
05/14/2008EP1133841B1 System and method for compensating timing errors using pilot symbols in a ofdm/cdma communication system
05/14/2008CN101180847A Method for allocating subbands to streams of a multichannel link in a multicarrier modulation communication system
05/14/2008CN101180846A Detection of signal modulation format type
05/14/2008CN101180844A Method and apparatus for data and pilot structures supporting equalization
05/14/2008CN101180817A Channel quality and performing modulation/coding
05/14/2008CN101180806A Radio access scheme in CDMA-based communication system
05/14/2008CN101179840A Orthogonal frequency division multiplexing system access method and apparatus
05/14/2008CN101179549A Communication signal carrier frequency estimation method employing three-point weight interpolation algorithm
05/14/2008CN101179548A Methods and apparatuses for orthogonal frequency division multiplexing communication
05/14/2008CN101179547A Pilot signal transmitting method of enhanced multi-transmitting antenna system
05/14/2008CN101179546A Transmitter of transmitting code field orthogonal pilot signal and transmitting method thereof
05/14/2008CN101179545A Doppler frequency cancellation based full digital main carrier tracking method
05/14/2008CN101179542A Simplified communication system and method for receiving code field orthogonal pilot signal
05/14/2008CN101179541A Uplink multi-user code field pilot channel estimating method
05/14/2008CN101179540A Uplink multi-user code field pilot channel estimating system
05/14/2008CN101179539A Simplified receiver for receiving code field orthogonal pilot signal and receiving method thereof
05/14/2008CN101179538A Receiver for receiving code field orthogonal pilot signal and receiving method thereof
05/14/2008CN101179396A Modem for code division multiple access network
05/14/2008CN101179359A Wireless communication system, and apparatus and method for wireless communication
05/14/2008CN101179358A Method and apparatus for implementing space-time coding
05/14/2008CN101179356A Data transmitting, receiving method and device
05/14/2008CN101179337A Method of forwarding simple ring structure serial port modem signal
05/14/2008CN101179330A Information transmission method with reduced identification data size
05/14/2008CN101179329A Information transmission method with reduced identification data size
05/14/2008CN101179326A Communication system
05/14/2008CN101179317A Orthogonal frequency division multiplexing based pilot signal transmitting method of multi-transmission antenna system
05/14/2008CN101179288A Switchable transceiver for relay station
05/14/2008CN100388848C Base station apparatus, mobile station apparatus, radio communiation system, and radio communication method
05/14/2008CN100388729C Frequency discriminating method and device
05/14/2008CN100388699C Discrete Fourier transform equipment of ADSL system
05/14/2008CN100388647C Method for up going synchronization and accessing customer equipment in multicarrier system
05/13/2008US7373164 Apparatus and methods for wireless communication transmission power control that supports physical channel reconfiguration
05/13/2008US7373132 High frequency signal receiver
05/13/2008US7372927 Digital filter for software-defined radio system, digital intermediate frequency signal processing apparatus having the digital filter, and method thereof
05/13/2008US7372925 Wireless LAN receiver with I and Q RF and baseband AGC loops and DC offset cancellation
05/13/2008US7372924 Method and system to improve decision-driven control loops
05/13/2008US7372923 Method for equalization of a payload signal, taking into account an interference source
05/13/2008US7372921 Apparatus and method for channel encoding/decoding in a communication system
05/13/2008US7372920 Method for detecting a signal and receiver system for the implementation of the method
05/13/2008US7372918 Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device
05/13/2008US7372916 Process and devices for transmitting digital signals over buses and computer program product therefore
05/13/2008US7372915 Transmitting method and transmitting device, receiving method and receiving device, and transfer method and transfer system
05/13/2008US7372914 Control system methods and apparatus for inductive communication across an isolation barrier
05/13/2008US7372910 Apparatus and method for generating preamble sequences in an OFDM communication system
05/13/2008US7372909 Radio transmitting apparatus, radio receiving apparatus and method therefor
05/13/2008US7372908 Radio communication method, radio transmitting apparatus, and radio receiving apparatus
05/13/2008US7372907 Efficient and flexible oversampled filterbank with near perfect reconstruction constraint
05/13/2008US7372900 Method and system for selecting an optimal asymmetric digital subscriber line mode
05/13/2008US7372899 Reduced symbol rate handshake signaling in ADSL systems
05/13/2008US7372896 Iterative detection and decoding for a MIMO-OFDM system
05/13/2008US7372893 Device and method for compensating for phase distortion in base station of OFDMA-based cellular system
05/13/2008US7372889 Mobile station capable of and a method for generating chip patterns for transmission
05/13/2008US7372874 Method and device for synchronisation in OFDM
05/13/2008US7372872 System and method for monitoring upstream and downstream transmissions in cable modern system
05/13/2008US7372830 Dynamic subchannel and bit allocation in a multiuser-MIMO/OFDMA system
05/13/2008CA2414257C Multichannel interferometer with phase generated carrier demodulation and quadrature error correction
05/08/2008WO2008054673A1 System and method for closed loop power control calibration
05/08/2008WO2008054322A2 Cyclically shifting a signal in frequency and time domain
05/08/2008WO2008054310A2 Activation and deactivation of sub-carriers for papr reduction
05/08/2008WO2008054306A2 Method and arrangement for reducing power consumption in user equipments in multi-carrier radio systems.
05/08/2008WO2008054272A1 Extended clustering for improved positioning