| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 01/30/2008 | CN100366035C Method and apparatus for rotating a phase of a modulated signal |
| 01/30/2008 | CN100365965C Method and device for transmitting data in a multi-carrier system comprising parallel concatenated coding and modulation |
| 01/30/2008 | CN100365942C Wireless data transmission between base station and transponder |
| 01/29/2008 | USRE40038 Latch-up recovery in quantized feedback DC restorer circuits |
| 01/29/2008 | US7324798 2N-order sub-harmonic frequency modulator having high carrier suppression ratio and direct conversion transmitter using the same |
| 01/29/2008 | US7324792 Apparatus and method for transmitting signal in mobile communication system |
| 01/29/2008 | US7324788 RF integrated circuit comprising a frequency synthesizer not very sensitive to injection locking |
| 01/29/2008 | US7324787 Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system |
| 01/29/2008 | US7324619 Method and apparatus for auto-tracking and compensating clock frequency |
| 01/29/2008 | US7324613 Multi-layer differential phase shift keying with bit-interleaved coded modulation and OFDM |
| 01/29/2008 | US7324612 Carrier tracking circuit and method including dual numerically controlled oscillators and feedforward phase correction coefficient |
| 01/29/2008 | US7324611 Symbol decision adjustment in demodulator |
| 01/29/2008 | US7324606 Computationally efficient system and method for channel estimation |
| 01/29/2008 | US7324605 High-throughput multicarrier communication systems and methods for exchanging channel state information |
| 01/29/2008 | US7324601 Coarse frequency synchronization method and apparatus in OFDM system |
| 01/29/2008 | US7324600 Channel estimation in a multi carrier transmit diversity system |
| 01/29/2008 | US7324599 Frequency correction for a multicarrier system |
| 01/29/2008 | US7324586 Method and system for communication backward compatibility |
| 01/29/2008 | US7324579 Flexible distribution device and method for rake receiver of communication system |
| 01/29/2008 | US7324482 Method and constructions for space-time codes for PSK constellations for spatial diversity in multiple-element antenna systems |
| 01/29/2008 | US7324472 Transmission method |
| 01/29/2008 | US7324467 Bridge circuit to suppress echoes in communication devices |
| 01/29/2008 | US7324437 Method for co-channel interference cancellation in a multicarrier communication system |
| 01/29/2008 | US7324435 Methods and apparatus for receiving OFDM signals |
| 01/29/2008 | US7324432 Apparatus of compensating for frequency offset using pilot symbol in an orthogonal frequency division multiplexing system |
| 01/29/2008 | US7324431 Method and device for allocating a communication signal to multiple carrier frequencies in a multi carrier communication scheme |
| 01/29/2008 | US7324430 Synchronization detection apparatus and method based on orthogonal frequency division multiplexing |
| 01/29/2008 | US7324429 Multi-mode terminal in a wireless MIMO system |
| 01/29/2008 | CA2322213C Off-line broadband network interface |
| 01/29/2008 | CA2316177C Frame-synchronizing-signal capturing circuit of receiver |
| 01/29/2008 | CA2296451C Signal point arrangement dispersion calculation circuit |
| 01/24/2008 | WO2008011606A2 False channel detection for wireless communication |
| 01/24/2008 | WO2008011330A1 Frame building in the presence of arq-enabled traffic |
| 01/24/2008 | WO2008009762A1 Method and system for multiple input and multiple output channel estimation |
| 01/24/2008 | WO2008009627A1 Device for spread spectrum modulation for discreet submarine transmissions |
| 01/24/2008 | WO2008009595A1 Method and device to process a received analog signal and to extract digital data therefrom according to a plurality of protocols |
| 01/24/2008 | WO2008009593A1 Filter arrangement dependent on occupation of an adjacent band |
| 01/24/2008 | WO2008009358A1 Folding of input data values to a transform function |
| 01/24/2008 | WO2007133395A3 Method for controlling radio communications during idle periods in a wireless system |
| 01/24/2008 | WO2007111742A3 Apparatus and methods for determining timing in a communication system |
| 01/24/2008 | US20080019463 Control method and apparatus for receiving optical signal |
| 01/24/2008 | US20080019461 Receiving a Signal in a Communication System |
| 01/24/2008 | US20080019460 Method and apparatus for the generation and detection of optical differential varied-multilevel phase-shift keying with pulse amplitude modulation (odvmpsk/pam) signals |
| 01/24/2008 | US20080019455 Mobile Station in Orthogonal Frequency Division Multiplexing Access System and Transmit Power Control Method Thereof |
| 01/24/2008 | US20080019451 Circuits and methods for data bus inversion in a semiconductor memory |
| 01/24/2008 | US20080019427 False channel detection for wireless communication |
| 01/24/2008 | US20080019402 Apparatus and method for pid conversion in very high frequency digital radio broadcasting receiver |
| 01/24/2008 | DE10306290B4 Anordnung zur Funksignalentspreizung bei einem Funkkommunikationssystem mit Code-Vielfachzugriffsverfahren Arrangement for Funksignalentspreizung in a radio communication system with code division multiple access |
| 01/24/2008 | DE102007026023A1 Systeme, Verfahren und Vorrichtungen für lineare polare Sender Systems, methods and apparatus for linear polar transmitter |
| 01/24/2008 | DE102007026022A1 Systeme, Verfahren und Vorrichtungen für lineare EER-(Envelope Elimination and Restoration) Sender Systems, methods and apparatus for linear EER (Envelope Elimination and Restoration) transmitter |
| 01/24/2008 | DE102006032982A1 Distorted signal processing method, for signal received over radio channel, involves recovering estimated value on basis of measured signal monitoring vector of derived signal |
| 01/23/2008 | EP1881662A1 Filter adjustment depending on the occupancy of the neighbouring band |
| 01/23/2008 | EP1881661A1 Method and device to process a received analog signal and to extract digital data there from according to a plurality of protocols |
| 01/23/2008 | EP1881628A1 Radio parameter group generating apparatus, transmitter and receiver |
| 01/23/2008 | EP1881614A2 Access burst detector correlator pool |
| 01/23/2008 | EP1881611A1 Transmission circuit and communication device |
| 01/23/2008 | EP1880502A1 Xdsl-transmission path |
| 01/23/2008 | EP1880501A1 Bit reliability equalization by modulation switching for harq |
| 01/23/2008 | EP1880499A1 Individual interleaving of data streams for mimo transmission |
| 01/23/2008 | EP1880495A1 Channel quality and performing modulation/coding |
| 01/23/2008 | EP1880480A1 Method and system for communicating information in a digital signal |
| 01/23/2008 | EP1815601A4 Method and apparatus for estimating and correcting baseband frequency error in a receiver |
| 01/23/2008 | EP1745625B1 Carrier phase ambiguity correction via dc offset |
| 01/23/2008 | EP1716683B1 Frequency compensated communications reception |
| 01/23/2008 | EP1716682B1 Method and apparatus for carrier recovery in a communications system |
| 01/23/2008 | EP1698135B1 Method and apparatus for compensating i/q imbalance in receivers |
| 01/23/2008 | EP1665621B1 Method and system for controlling a receiver in a digital communication system |
| 01/23/2008 | EP1579646A4 Apparatus and method for a coding scheme selection |
| 01/23/2008 | EP1520385B1 Dual-mode shared ofdm methods/transmitters, receivers and systems |
| 01/23/2008 | CN101112061A System and method for selecting data rates to provide uniform bit loading of subcarriers of a multicarrier communication channel |
| 01/23/2008 | CN101112005A MC-CDMA multiplexing in an orthogonal uplink |
| 01/23/2008 | CN101112004A Spread spectrum signal |
| 01/23/2008 | CN101112000A Receiver and wireless communication apparatus |
| 01/23/2008 | CN101111048A Method for dynamic regulation of wireless resource block configuration based on offset |
| 01/23/2008 | CN101110922A Television receiving apparatus equipped with a plurality of digital demodulating circuits |
| 01/23/2008 | CN101110809A Method for transmitting data of multiple carrier wave |
| 01/23/2008 | CN101110808A Power distribution method combining with adaptive modulation encoding in OFDMA system |
| 01/23/2008 | CN101110807A Fractional carrier frequency offset estimator and method of estimating fractional carrier frequency offset between transmitter and receiver |
| 01/23/2008 | CN101110806A Method and apparatus for compensating imbalance of signal channel |
| 01/23/2008 | CN101110805A Receiving and dispatching method and system based on orthogonal frequency division multiplexing |
| 01/23/2008 | CN101110804A Method for making multiple carrier frequency system be compatible with single carrier frequency configure |
| 01/23/2008 | CN101110803A Method for implementing join operation based on fast Fourier transformation and inverse transformation |
| 01/23/2008 | CN101110802A Method for amending frequency cumulative error of non-center communication system terminal |
| 01/23/2008 | CN101110637A Radio communication system with adjustable carrier frequency and method thereof |
| 01/23/2008 | CN101110634A Signal transmitting method for enhanced TDD system |
| 01/23/2008 | CN101110619A Method and device for reducing PAR in OFDMA system |
| 01/23/2008 | CN101110606A Method and device for searching base station, fast fourier transformation value detector and detecting method thereof |
| 01/23/2008 | CN101110602A Carrier wave catching system and method based on multimode operation |
| 01/23/2008 | CN100364302C Digital audio frequency processing method for analog amplitude modulation medium wave broadcasting transmitter digital improvement |
| 01/23/2008 | CN100364300C Combined evaluation method for channel step number and multiple path time delay |
| 01/23/2008 | CN100364256C Time-domain transmit and receive processing with channel eigen-mode decomposition for systems |
| 01/23/2008 | CN100364254C Frequency deviation evaluation device and method |
| 01/22/2008 | US7322005 LDPC (Low Density Parity Check) coded modulation symbol decoding using non-Gray code maps for improved performance |
| 01/22/2008 | US7321754 Radio-frequency signal frequency conversion device for a low power RF receiver |
| 01/22/2008 | US7321731 Optical pulse position modulation discriminator |
| 01/22/2008 | US7321728 Optical waveform for use in a DWDM optical network and systems for generating and processing same |
| 01/22/2008 | US7321645 Method and arrangement for detecting a random access channel preamble using multiple antenna reception in a communication system |
| 01/22/2008 | US7321644 Low-complexity, symbol-based, reduced substreams maximum likelihood decoder and method for a multiple-input, multiple-output communication system |
| 01/22/2008 | US7321643 Soft decision decoder, and log likelihood ratio calculator and method thereof for enhanced performance in soft decision decoding |
| 01/22/2008 | US7321642 Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder |