Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2006
07/20/2006WO2006076439A1 Method and apparatus for decoding data in a layered modulation system
07/20/2006WO2006076193A1 Adaptive bit loading for multicarrier communication system
07/20/2006WO2006076158A1 Encoder with parallel input
07/20/2006WO2006075886A1 Apparatus and method for transmitting information data in a wireless communication system
07/20/2006WO2006075631A1 Communication device, multi-band reception device, and reception device
07/20/2006WO2006075205A1 A gradient-based method and apparatus for ofdm sub-carrier power optimization
07/20/2006WO2006075018A1 Spread spectrum signal
07/20/2006WO2005055440A3 Method to minimize compatibility error in hierarchical modulation
07/20/2006WO2005025077A3 Ultra-wideband transmitter
07/20/2006WO2005022810A3 Subcarrier and bit allocation for real time services in multiuser orthogonal frequency division multiplex (ofdm) systems
07/20/2006US20060160545 Methods and apparatus for identifying asset location in communication networks
07/20/2006US20060160519 Direct-conversion receiver system and method, especially a GPS receiver system with high pass filtering
07/20/2006US20060160498 Multi-carrier transmitting apparatus and multi-carrier transmitting method
07/20/2006US20060160496 Communication apparatus and communication method
07/20/2006US20060159214 Data-directed frequency-and-phase lock loop
07/20/2006US20060159208 Receiver for receiving radio frequency signals
07/20/2006US20060159207 Mixer for mixing a signal and method for mixing a signal
07/20/2006US20060159206 Device and method for determining a time of arrival of a receive sequence
07/20/2006US20060159205 Device and method for determining a correlation value
07/20/2006US20060159204 Method and system for adaptive channel estimation in pilot symbol assisted modulation systems
07/20/2006US20060159203 Method and apparatus for channel estimation of transmission channels with memory in digital telecommunications systems, and corresponding computer-program product
07/20/2006US20060159202 Frequency converter for a spectral conversion of a start signal and method for a spectral conversion of a start signal
07/20/2006US20060159201 Method of reducing the variance of a signal-to-noise ration estimate for a signal with differential phase and coherent amplitude modulation
07/20/2006US20060159200 Front end interface for data receiver
07/20/2006US20060159199 Super-orthogonal space-time trellis codes, and applications thereof
07/20/2006US20060159198 Amplifier, information communication apparatus and amplification method
07/20/2006US20060159197 Radio transmitter with variable amplifier units in the baseband section and in the radio-frequency section of the transmission path
07/20/2006US20060159196 Apparatus and method for channel estimation and cyclic prefix reconstruction in an OFDM-STBC mobile communication system
07/20/2006US20060159191 Embedded keying
07/20/2006US20060158241 CMOS-based receiver for communications applications
07/20/2006DE112004001602T5 Vorrichtung zum Verarbeiten eines Mehrträgersignals Apparatus for processing a multi-carrier signal
07/20/2006DE102005001496A1 Verfahren und Vorrichtung zur Verstärkung eines amplituden- und phasenmodulierten elektrischen Signals Method and apparatus for amplifying an amplitude and phase modulated electrical signal
07/20/2006CA2594967A1 Device, system and method of communicating between circuit switch interfaces over an analog modulation communication network
07/20/2006CA2594387A1 Apparatus and method for transmitting information data in a wireless communication system
07/20/2006CA2593783A1 Methods and apparatus for transmitting layered and non-layered data via layered modulation
07/20/2006CA2593211A1 Spread spectrum signal
07/19/2006EP1681822A2 Peak to average power ratio control in wireless communication systems
07/19/2006EP1681821A2 Preamble sequences for a multicarrier communication system using a multiple input multiple output scheme
07/19/2006EP1681820A1 Radio communication apparatus and mcs deciding method
07/19/2006EP1681773A1 Spread spectrum signal
07/19/2006EP1680899A2 Multiple-input multiple-output system and method
07/19/2006EP1584170B1 Converter circuit for a limiter receiver structure and method for converting a signal in a limiter receiver structure
07/19/2006EP1052819B1 Digital demodulator
07/19/2006CN2798447Y Multimetia mobile terminal
07/19/2006CN1806396A Signal detection using sphere decoding technique
07/19/2006CN1806307A Packet communication device
07/19/2006CN1805571A Method of switching communication module in communication devices
07/19/2006CN1805423A Digital mobile wireless high-speed data transmission apparatus
07/19/2006CN1805422A Method for transmitting and receiving preamble sequences in an orthogonal frequency division multiplexing communication system using a multiple input multiple output scheme
07/19/2006CN1805421A Multi sub-channel parallel bit loading method for optimal power distribution in DMT system
07/19/2006CN1805420A Method of discriminating transmission mode in digital multimedia broadcast receiver
07/19/2006CN1805419A Frequency offset resistant time synchronization method
07/19/2006CN1805418A Pulse noise suppression apparatus and method in orthogonal frequency-division multiplexing system
07/19/2006CN1805417A Frequency error evaluation method in TD-SCDMA radio frequency receiving system after locking
07/19/2006CN1805416A Comparison and decision circuit in amplitude keying signal demodulation circuit module
07/19/2006CN1805318A Uplink time frequency resource allocation method
07/19/2006CN1805316A Uplink FDMA access method in frequency selected block transmission system
07/19/2006CN1265643C Software controlled multi-mode bi-directional communication device
07/19/2006CN1265604C Double-phase FSK digital demodulator and signal demodulating method thereof
07/19/2006CN1265571C Method and equipment used for compensating frequency deviation in intertangling type frequency division multiple address
07/18/2006US7079826 Digitally controlled analog RF filtering in subsampling communication receiver architecture
07/18/2006US7079824 Reception of multicarrier spread-spectrum signals
07/18/2006US7079821 Signal correction method and receiver
07/18/2006US7079610 Telecommunications transmission systems
07/18/2006US7079608 Method and device for channel estimation, in particular for a cellular mobile telephone
07/18/2006US7079606 Method of obtaining an antenna gain
07/18/2006US7079605 Frequency estimation based on constellation error in QAM modems
07/18/2006US7079604 Ultrawide bandwidth system and method for fast synchronization using multiple detection arms
07/18/2006US7079602 Receiving apparatus and method and provision medium
07/18/2006US7079600 FSK demodulator using DLL and a demodulating method
07/18/2006US7079599 Multi-mode quadrature amplitude modulation receiver for high rate wireless personal area networks
07/18/2006US7079598 Complex phase-locked loop demodulator for low-IF and zero-IF radio receivers
07/18/2006US7079597 Method and circuit for acquisition
07/18/2006US7079596 Multiband data communication apparatus, communication method of multiband data communication apparatus, and storage medium
07/18/2006US7079594 Receiving method and receiving apparatus
07/18/2006US7079593 Receiving method and receiving apparatus
07/18/2006US7079592 Complementary code keying demodulation system
07/18/2006US7079590 DC-offset compensation
07/18/2006US7079589 Serial digital communication superimposed on a digital signal over a single wire
07/18/2006US7079588 Method and apparatus for processing signals in an array antenna system
07/18/2006US7079587 Signal transmitter having voltage booster circuit and method of operating the same
07/18/2006US7079585 Gray encoding for hierarchical QAM transmission systems
07/18/2006US7079584 OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation
07/18/2006US7079575 Equalization for crosspoint switches
07/18/2006US7079574 Carrier phase recovery system for adaptive burst modems and link hopping radio networks
07/18/2006US7079572 Method for setting up a data transmission link between xDSL transceivers
07/18/2006US7079567 Digital modulation system using extended code set
07/18/2006US7079549 Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system
07/18/2006US7078981 16 QAM modulator and method of 16 QAM modulation
07/18/2006CA2265958C Set top terminal for an interactive information distribution system
07/14/2006CA2532838A1 Method and system for converting streaming digital data to fm modulated data
07/13/2006WO2006074103A1 Display device with speaker grill
07/13/2006WO2006073271A1 Apparatus and method for transmitting/receiving channel quality information in a communication system
07/13/2006WO2006073258A1 System and method for providing services using the same frequency in a wireless communication system
07/13/2006WO2006073243A1 Method and apparatus for differentially orthogonal modulation by using repetition time period of chirp signal
07/13/2006WO2006073208A1 Polar modulator and wireless communication apparatus using the same
07/13/2006WO2006072973A1 Dc offset compensation method and device
07/13/2006WO2006072821A1 Transmitting information using multiple carriers
07/13/2006WO2006072816A1 Adaptive retransmission for frequency spreading
07/13/2006WO2006072669A1 Clipping of transmission signal