| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 09/03/2008 | CN100417148C High sensitive receiver and method for improving sensitivity of receiver |
| 09/03/2008 | CN100417052C Orthogonal frequency dividing multiplexing transmitter and method for treating orthogonal frequency dividing multiplexing signal |
| 09/03/2008 | CN100417051C Method and circuit for modulating information signals, and transmitter |
| 09/03/2008 | CN100417044C Apparatus and method for transmitting signal in mobile communication system |
| 09/03/2008 | CN100417041C System and method for adjusting a power level of a transmission signal |
| 09/03/2008 | CN100417014C Modulator clock signal source and re-modulator system |
| 09/02/2008 | US7421261 Blind detection |
| 09/02/2008 | US7421213 Optical receiver control device with a switchable bandwidth |
| 09/02/2008 | US7421209 Optical wavelength multiplexing FSK modulation method |
| 09/02/2008 | US7421075 Wireless online cryptographic key generation method |
| 09/02/2008 | US7421046 Method and apparatus for signal decoding in a diversity reception system with maximum ratio combining |
| 09/02/2008 | US7421042 Carrier tracking loop lock detector |
| 09/02/2008 | US7421040 Modem tuner |
| 09/02/2008 | US7421039 Method and system employing antenna arrays |
| 09/02/2008 | US7421038 Wireless local area network apparatus |
| 09/02/2008 | US7421037 Reconfigurable transmitter with direct digital to RF modulator |
| 09/02/2008 | US7421030 Method and device for transferring data in a multi-carrier system having parallel concatenated encoding and modulation |
| 09/02/2008 | US7421029 Impulse response shortening and symbol synchronization in OFDM communication systems |
| 09/02/2008 | US7421020 Channel equalizing device and method of digital broadcasting receiving system |
| 09/02/2008 | US7421015 Bit-loading in multicarrier communication systems in the presence of an asymmetric, correlated gaussian noise sources |
| 09/02/2008 | US7421013 Maximum likelihood estimation of time and frequency offset for OFDM systems |
| 09/02/2008 | US7421010 Mobile communication terminal |
| 09/02/2008 | US7421006 System and method for coherent multi-h continuous phase modulation waveform |
| 09/02/2008 | US7420939 Methods and apparatus of power control in wireless communication systems |
| 09/02/2008 | US7420916 Fourier-transform based linear equalization for MIMO CDMA downlink |
| 09/02/2008 | US7420915 Radio communications apparatus and radio communications method |
| 09/02/2008 | US7420914 Synchronization techniques in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 09/02/2008 | US7420913 Method for tone hopping in a multipoint-to-point orthogonal frequency division multiplexing communication system |
| 09/02/2008 | US7420912 Method to increase the capacity of a transmission system using waveforms |
| 09/02/2008 | CA2468079C Corrective phase quadrature modulator system and method |
| 09/02/2008 | CA2176470C Simultaneous demodulation and decoding of a digitally modulated radio signal |
| 08/28/2008 | WO2008103092A1 Equalizer for single carrier fdma receiver |
| 08/28/2008 | WO2008103091A1 Frequency hopping scheme for ofdma system |
| 08/28/2008 | WO2008102877A1 Digital data transmitting device and digital data receiving device |
| 08/28/2008 | WO2008102356A1 Filtered multi-tone modulation system and method for transmission of information data |
| 08/28/2008 | WO2008102025A1 Communications system for wired transmission channels |
| 08/28/2008 | WO2008101762A1 Subcarrier spacing identification |
| 08/28/2008 | WO2008101523A1 Method of transmitting data and modem |
| 08/28/2008 | WO2008038110A3 Wireless transceiver |
| 08/28/2008 | WO2008007019A8 Methods for the transmission and reception of a multicarrier signal with oqam modulation, and specific preamble |
| 08/28/2008 | WO2007137277A3 Single-burst acquisition for wireless communication system |
| 08/28/2008 | WO2007061272A3 Method and apparatus for generating and transmitting code sequence in a wireless communication system |
| 08/28/2008 | US20080207145 Transmitter |
| 08/28/2008 | US20080207142 Amplitude Modulation Apparatus, Amplitude Limiting Method, and Computer-Readable Program |
| 08/28/2008 | US20080205905 Digital phase estimator, digital phase locked loop and optical coherent receiver |
| 08/28/2008 | US20080205560 Method and system for utilizing direct digital frequency synthesis to process signals in multi-band applications |
| 08/28/2008 | US20080205559 Template pulse generating circuit, communication device, and communication method |
| 08/28/2008 | US20080205558 Method and Rfid Reader For Detecting a Delimiter Pattern in a Signal Stream |
| 08/28/2008 | US20080205555 Method and Apparatus for Channel Estimation |
| 08/28/2008 | US20080205553 Reconstruction of tire pressure monitoring signals |
| 08/28/2008 | US20080205552 Method and apparatus for transmission within a multi-carrier communication system |
| 08/28/2008 | US20080205551 Method, system and apparatus for phase control of transmit diversity signals |
| 08/28/2008 | US20080205550 Method and System for Using a Phase Locked Loop for Upconversion in a Wideband Polar Transmitter |
| 08/28/2008 | US20080205549 Method and System for a Wideband Polar Transmitter |
| 08/28/2008 | US20080205546 Ofdm pre-equalizing |
| 08/28/2008 | US20080205545 Method and System for Using a Phase Locked Loop for Upconversion in a Wideband Crystalless Polar Transmitter |
| 08/28/2008 | US20080205544 Method and Apparatus for Reducing the Interferences Between a Wideband Device and a Narrowband Device Interfering with the Wideband Device |
| 08/28/2008 | US20080205540 Wireless communication apparatus |
| 08/28/2008 | US20080205534 Method and system of channel analysis and carrier selection in OFDM and multi-carrier systems |
| 08/28/2008 | US20080205533 Method of transmitting using phase shift-based precoding and apparatus for implementing the same in a wireless communication system |
| 08/28/2008 | US20080205532 Carrier Allocation Method In Ofdm System And Transmittting Apparatus Using The Method |
| 08/28/2008 | US20080205531 Adaptively configurable class-A/class-B transmit DAC for Transceiver emission and power consumption control |
| 08/28/2008 | US20080205530 Communication system and data transception method thereof |
| 08/28/2008 | US20080205486 Ultra wide band pulse generator provided with an integrated function for digital filtering emulation, and transmission method |
| 08/28/2008 | US20080205450 High speed power line network connector and method for power line networking |
| 08/28/2008 | US20080205307 Transmitting Signals Via at Least Two Hannels Simultaneously |
| 08/28/2008 | DE102005001496B4 Verfahren und Vorrichtung zur Verstärkung eines amplituden- und phasenmodulierten elektrischen Signals Method and apparatus for amplifying an amplitude and phase modulated electrical signal |
| 08/28/2008 | DE10120155B4 Modulation mit paralleler Turbotrelliscodierung Modulation with parallel Turbotrelliscodierung |
| 08/27/2008 | EP1962485A1 A telecommunications system for providing both narrowband and broadband services to subscribers; subscriber equipment; a shelf therefor; a replaceable lowpass filter unit; line termination equipment; a telecommunications rack with a plurality of shelves having a redundancy feature |
| 08/27/2008 | EP1962463A1 Method and apparatus for coding transmit data in a MIMO-OFDM system |
| 08/27/2008 | EP1962462A1 Method and apparatus for generating a transmit signal for transmitting multiple access data |
| 08/27/2008 | EP1962444A1 Direct optical N-state phase shift keying |
| 08/27/2008 | EP1962443A1 Digital phase estimator, digital phase loked loop and optical coherent receiver |
| 08/27/2008 | EP1962438A1 Method of transmitting data and modem |
| 08/27/2008 | EP1962292A2 Constant slope ramp circuits for sample-data circuits |
| 08/27/2008 | EP1961176A1 Method and apparatus for phase-noise compensation in digital receivers |
| 08/27/2008 | EP1961175A1 Carrier tracking for am in-band on- channel radio receivers |
| 08/27/2008 | EP1961142A2 System, apparatus, and method for single-carrier block transmission with adaptive guard interval |
| 08/27/2008 | EP1961141A2 Efficient channel quality reporting and link adaptation for multi-carrier broadband wireless communication |
| 08/27/2008 | EP1961137A2 Low emission signal generator and distribution system |
| 08/27/2008 | EP1961111A1 Kalman filter for channel estimation in ofdm systems |
| 08/27/2008 | EP1960905A2 Circular fast fourier transform |
| 08/27/2008 | EP1716680B1 Channel estimator and method for estimating a channel transfer function and apparatus and method for providing pilot sequences |
| 08/27/2008 | EP1519497B1 Transmitting apparatus and communication mode selection table updating method |
| 08/27/2008 | EP0972384B1 Transmission method and radio system for inferring the modulation type |
| 08/27/2008 | CN201107851Y Signal-noise ratio estimating device based on planisphere mapping in multi-carrier system |
| 08/27/2008 | CN101252682A Interactive digital television front end high unvoiced sound video interface system |
| 08/27/2008 | CN101252570A Multi-carrier receiver and signal processing method |
| 08/27/2008 | CN101252569A Apparatus and method for receiving signal |
| 08/27/2008 | CN101252568A Frequency domain direct sequence spread-spectrum and fractional number Fourier field csep signal spread-spectrum transmitting method |
| 08/27/2008 | CN101252567A Linear frequency modulation signal jam avoidance transmitting method based on fractional number Fourier transforming field |
| 08/27/2008 | CN101252566A Method and apparatus for generating and receiving frequency domain direct enlarging - fractional number field frequency-hopping mixing signal |
| 08/27/2008 | CN101252565A Rapid frame synchronization method |
| 08/27/2008 | CN101252564A Code quadrature transmitting reference modem system in ultra-wideband communication and using method thereof |
| 08/27/2008 | CN101252563A Novel OFDM system multi-carrier path combining method |
| 08/27/2008 | CN101252562A New OFDM system synchronization combining method |
| 08/27/2008 | CN101252561A Systems and methods for complementing imbalance between a first component and a second component of data signal |
| 08/27/2008 | CN101252560A High-performance OFDM frame synchronization algorithm |
| 08/27/2008 | CN101252559A Method of training sequence time change step length least mean square |
| 08/27/2008 | CN101252558A Apparatus and method for appraising frequency bias |