| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 01/07/2010 | CA2728533A1 Method and apparatus for detection of orthogonal frequency division multiplexing (ofdm) signals by cognitive radios |
| 01/06/2010 | EP2141879A1 Dynamic precision for datapath modules |
| 01/06/2010 | EP2141878A1 Method and apparatus for OFDM spectral diversity using guard bands |
| 01/06/2010 | EP2141877A1 Receiver and method for frequency offset estimation based on correlation techniques |
| 01/06/2010 | EP2141876A2 Adaptive transmission method and system for wireless communication system |
| 01/06/2010 | EP2141875A1 Receiver and method for frequency offset estimation based on correlation techniques |
| 01/06/2010 | EP2141874A1 Peak suppressing and restoring method, transmitter, receiver, and peak suppressing and restoring system |
| 01/06/2010 | EP2141873A2 Transmission method, transmitter, and receiver for multi antenna wireless communication system |
| 01/06/2010 | EP2141847A1 Splitterless multicarrier modem |
| 01/06/2010 | EP2141841A1 Radio communication terminal device, radio communication base station device, and radio communication method |
| 01/06/2010 | EP2141830A2 Fast frequency hopping with a code division multiplexed pilot in an OFDMA system |
| 01/06/2010 | EP2141820A2 Method for generating complex quasi-orthogonal code and apparatus and method for spreading channel data using the quasi-orthogonal code in CDMA communication system |
| 01/06/2010 | EP2140718A2 Frequency domain packet scheduling under fractional load |
| 01/06/2010 | EP2140647A2 Measurement of cell-specific reference symbols in the presence of mbms single frequency network transmissions |
| 01/06/2010 | EP2140646A1 Synchronization time difference measurements in ofdm systems |
| 01/06/2010 | EP2140645A2 Methods and apparatus for performing channel tree operations |
| 01/06/2010 | EP2140644A2 Improved synchronization for chip sequences |
| 01/06/2010 | EP2140643A1 Digital radio system and method of operation |
| 01/06/2010 | EP2140642A1 Method and apparatus for mitigating interference in multicarrier modulation systems |
| 01/06/2010 | EP2140640A1 Method for the robust synchronization of a multi-carrier receiver using filter banks and corresponding receiver and transceiver |
| 01/06/2010 | EP2140603A2 Systems and methods for providing an atc 0verlay data link |
| 01/06/2010 | EP2140595A2 Method and apparatus for selecting modulation and coding scheme (mcs) index based on frequency selectivity |
| 01/06/2010 | EP2140563A1 Frequency error estimation algorithm |
| 01/06/2010 | EP2140561A1 A method and an apparatus for estimating a delay spread of a multipath channel |
| 01/06/2010 | EP2140560A1 Improved frequency offset estimator |
| 01/06/2010 | CN101622845A I/Q calibration for walking-IF architectures |
| 01/06/2010 | CN101622844A Systems and methods for improving reference signals for spatially multiplexed cellular systems |
| 01/06/2010 | CN101622843A Method and apparatus for providing automatic control channel mapping |
| 01/06/2010 | CN101622842A Link adaptation system and method for multicarrier transmission systems |
| 01/06/2010 | CN101621493A Decision method for estimating frequency deviation of OFDM |
| 01/06/2010 | CN101621492A Resource determining method of special demodulation data reference signal |
| 01/06/2010 | CN101621491A Receiver and method for receiving digital signal |
| 01/06/2010 | CN101621490A Method for modulation diversity joint codes of OFDM system |
| 01/06/2010 | CN101621489A Channel estimation method for four-phase modulation system |
| 01/06/2010 | CN101621488A Method for synchronizing DVB-S2 system receiver full-mode physical layer frame |
| 01/06/2010 | CN101621335A Average length adaptive optimization method and device |
| 01/06/2010 | CN100579317C Information notification method, mobile communication system, base station, and mobile station |
| 01/06/2010 | CN100579239C Synchronization method and unit for receiver in DTMB system |
| 01/06/2010 | CN100579159C Asymmetrical digital subscriber line system |
| 01/06/2010 | CN100579103C Automatic power control device and method for QAM transmitter unit of wireless communication device |
| 01/06/2010 | CN100579102C Method for applying layer modulation technique in T-MMB system |
| 01/06/2010 | CN100579101C Method and apparatus for synchronizing OFDM symbol |
| 01/06/2010 | CN100579100C Frequency domain dispatching method |
| 01/06/2010 | CN100579099C Wireless multicarrier system with subcarriers reserved for communication between unsynchronized nodes |
| 01/06/2010 | CN100579098C Multi-carrier communications method and corresponding data transmitting and receiving device |
| 01/06/2010 | CN100579097C Frequency shift estimating device and method for multicarrier receiver |
| 01/06/2010 | CN100579096C Soft handoff for OFDM |
| 01/06/2010 | CN100579095C Multirate digital transceiver and method for realizing transceiver |
| 01/06/2010 | CN100579094C Receiving and processing method for frequency shift keying signal |
| 01/06/2010 | CN100579092C System and method for demodulating quadrature amplitude modulated signals based upon speed of receiver |
| 01/06/2010 | CN100579000C Multiplexing method for time-frequency resource in radio communication system |
| 01/06/2010 | CN100578991C Receiver and method of receiving a multichannel optical signal |
| 01/06/2010 | CN100578987C Radio transmitting/receiving apparatus and radio transmitting/receiving method for estimating noise and interference power in ratio transmission using code spread |
| 01/06/2010 | CN100578986C Transmitting/receiving apparatus and method for reducing peak value average power ratio in an OFDM mobile communication system |
| 01/06/2010 | CN100578979C Digital broadcast demodulator |
| 01/06/2010 | CN100578978C Method for decreasing power inequality in-band of transmitter |
| 01/06/2010 | CN100578953C Radio transmitter and pilot signal inserting method |
| 01/06/2010 | CN100578932C Transmitting circuit, communication equipment, audio equipment, video equipment, and transmitting method |
| 01/06/2010 | CN100578915C Two point phase modulator and method for controlling pressure-control oscillator gain in modulator |
| 01/05/2010 | US7643855 Portable terminal device |
| 01/05/2010 | US7643813 Diversity switch combiner |
| 01/05/2010 | US7643801 Clipping of transmission signal |
| 01/05/2010 | US7643721 Moving picture processing device, information processing device, and program thereof |
| 01/05/2010 | US7643638 System for generating pseudorandom sequences |
| 01/05/2010 | US7643634 Electronic component allowing the decoding of satellite digital television signals |
| 01/05/2010 | US7643590 Joint demodulation filter for co-channel interference reduction and related methods |
| 01/05/2010 | US7643587 Frequency offset estimating method and frequency offset correcting apparatus utilizing said method |
| 01/05/2010 | US7643586 Divisionless baseband equalization in symbol modulated communications |
| 01/05/2010 | US7643585 Method for correcting soft decision value, computer program product for the same, and reception apparatus for the same |
| 01/05/2010 | US7643584 Efficient joint detection |
| 01/05/2010 | US7643583 High-precision signal detection for high-speed receiver |
| 01/05/2010 | US7643582 Method and system for determining symbol boundary timing in a multicarrier data transmission system |
| 01/05/2010 | US7643581 Space-time block decoder for a wireless communications system |
| 01/05/2010 | US7643579 Multiple differential demodulator using weighting value |
| 01/05/2010 | US7643575 AC coupling bandwidth switch |
| 01/05/2010 | US7643574 Transmitting apparatus and method in transmit diversity system |
| 01/05/2010 | US7643573 Power management in a data acquisition system |
| 01/05/2010 | US7643572 Modulator with controlled transmission bandwidth, and a corresponding method for controlling the transmission bandwidth |
| 01/05/2010 | US7643571 Wireless communication system and method |
| 01/05/2010 | US7643570 Wireless communication system and wireless communication method |
| 01/05/2010 | US7643569 Space-time trellis code for orthogonal frequency division multiplexing (OFDM) |
| 01/05/2010 | US7643567 OFDM signal transmitting method and transmitter and receiver thereof |
| 01/05/2010 | US7643564 Method and apparatus for recording and editing digital broadcast content |
| 01/05/2010 | US7643544 Communication quality controller and a communication quality control method |
| 01/05/2010 | US7643538 Cancellation of burst noise in a communication system with application to S-CDMA |
| 01/05/2010 | US7643533 Agile clock mechanism and method for ultrawide bandwidth communications system |
| 01/05/2010 | US7643453 Legacy compatible spatial multiplexing systems and methods |
| 01/05/2010 | US7643404 MIMO OFDM system |
| 01/05/2010 | US7642649 Support structure for low-k dielectrics |
| 01/05/2010 | CA2526803C Method and apparatus to enhance audio quality for digitized voice transmitted over a channel employing frequency diversity |
| 01/05/2010 | CA2303553C A system and method for mitigating intermittent interruptions in an audio radio broadcast system |
| 12/31/2009 | US20090325590 Inter-cell interference avoidance for downlink transmission |
| 12/31/2009 | US20090323869 Method and apparatus for space division multiple access receiver |
| 12/31/2009 | US20090323868 Selection of a Received Sequence By Means of Metrics |
| 12/31/2009 | US20090323867 Adaptive synchronization enhancement technique for serial modulated waveforms |
| 12/31/2009 | US20090323866 Demodulation method |
| 12/31/2009 | US20090323865 Method and Apparatus for Low Power Simultaneous Frequency, Automatic Gain Control and Timing Acquisition in Radio Receivers |
| 12/31/2009 | US20090323863 Signal generation using phase-shift based pre-coding |
| 12/31/2009 | US20090323862 Mobile telecommunication device and ramping data transmitting method thereof |
| 12/31/2009 | US20090323861 System and Method for Blind Compensation and Correction of Transmitter IQ Imbalance at the Receiver |