| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 07/07/2005 | WO2005062565A1 Polar modulation using amplitude modulated quadrature signals |
| 07/07/2005 | WO2005062564A1 Residual frequency error estimation in an ofdm receiver |
| 07/07/2005 | WO2005062563A1 Fractional-n sigma-delta modulator comprising an adaptive compensation filter that compensates for the undesired effects of the phase locked loop and methods thereof |
| 07/07/2005 | WO2005062518A1 System and method for channelization recognition in a wideband communication system |
| 07/07/2005 | WO2005062516A1 Method and apparatus for estimating noise power per subcarrier in a multicarrier system |
| 07/07/2005 | WO2005062515A2 Transmission of data with feedback to the transmitter in a wireless local area network or the like |
| 07/07/2005 | WO2005062510A1 Wireless communication system, wireless communication apparatus, and resource assignment method used therein |
| 07/07/2005 | WO2005062509A1 Transmitter, receiver, transmitting method, receiving method, and program |
| 07/07/2005 | WO2005062496A1 A method for determining transmit weights |
| 07/07/2005 | WO2005062492A1 Apparatus and method for prioritized apportionment of transmission power in a multi-carrier terminal |
| 07/07/2005 | WO2005062193A2 Apparatus, systems, and methods for data transmission |
| 07/07/2005 | WO2005060412A2 Control algorithm in qam modems |
| 07/07/2005 | WO2005060360A2 Method for constituting layered cell in ofdma system |
| 07/07/2005 | WO2005025101A8 Transmitter apparatus, receiver apparatus, transmitting method, receiving method, and program |
| 07/07/2005 | WO2005015752A8 Noise shaped interpolator and decimator apparatus and method |
| 07/07/2005 | WO2004062222A8 Apparatus, and associated method, for estimating frequency offset of a data symbol communicated in a communication system |
| 07/07/2005 | US20050149843 Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple maps |
| 07/07/2005 | US20050148307 Direct outphasing modulator |
| 07/07/2005 | US20050147245 Wireless online cryptographic key generation method |
| 07/07/2005 | US20050147197 Method and apparatus for acquiring a frequency without a reference clock |
| 07/07/2005 | US20050147192 High frequency signal receiver and semiconductor integrated circuit |
| 07/07/2005 | US20050147190 Signal processing circuit and quadrature demodulation apparatus and method of estimating error thereof |
| 07/07/2005 | US20050147188 Frequency control for a mobile communications device |
| 07/07/2005 | US20050147187 Demodulation apparatus and method, and integrated circuit of demodulation apparatus |
| 07/07/2005 | US20050147186 Ofdm demodulation apparatus |
| 07/07/2005 | US20050147185 OC192 peak detect circuit having low parasitics, high dynamic range and high sensitivity |
| 07/07/2005 | US20050147179 Method and device for interpolating or decimating a signal |
| 07/07/2005 | US20050147176 ICI cancellation method for an OFDM system |
| 07/07/2005 | US20050147076 Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system |
| 07/07/2005 | US20050147043 Multi-carrier transceiver with reliable online reconfiguration |
| 07/07/2005 | US20050147026 Synchronization in OFDM systems |
| 07/07/2005 | US20050147025 Apparatus and method for estimating a plurality of channels |
| 07/07/2005 | US20050147024 Communication method in an FH-OFDM cellular system |
| 07/07/2005 | US20050147022 Preamble transmit power tailoring system, a method of tailoring preamble transmit power and an OFDM transmitter employing the same |
| 07/07/2005 | DE19828159B4 Phasenauswahlschaltung Phase selection circuit |
| 07/07/2005 | DE10321743B4 Verbesserte Kanaldecodierung bei der Mehrträger-Signalübertragung durch DC-Offset- und Trägerfrequenz-Offset-abhängige Gewichtung von Zuverlässigkeitsinformationen Improved channel decoding in the multi-carrier signal transmission by DC offset and carrier frequency offset-dependent weighting of reliability information |
| 07/06/2005 | EP1551127A1 Radio communication system and transmitter for implementing frequency diversity |
| 07/06/2005 | EP1551122A1 Synchronous follow-up device and method |
| 07/06/2005 | EP1551121A1 Multi-carrier transmitting apparatus and multi-carrier transmitting method |
| 07/06/2005 | EP1551110A1 Apparatus and method for adjusting an input range for a soft-decision decoder |
| 07/06/2005 | EP1551103A1 Digital communication method and digital communication device |
| 07/06/2005 | EP1550280A1 Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal |
| 07/06/2005 | EP1550279A2 Electromagnetic wave trasmitter systems, methods and articles of manufacture |
| 07/06/2005 | EP1550278A1 Channel mapping for ofdm frequency-hopping |
| 07/06/2005 | EP1550230A2 Transmitter and method of transmission using separate phase and amplitude modulators |
| 07/06/2005 | EP1550205A2 Apparatus and methods for wideband signal processing |
| 07/06/2005 | EP1388227B1 Signal generator with display unit |
| 07/06/2005 | EP1212849B1 Channel encoding and decoding method and apparatus |
| 07/06/2005 | EP1005755A4 Power conservation for pots and modulated data transmission |
| 07/06/2005 | CN2708571Y A digital demodulation receiver |
| 07/06/2005 | CN1636413A Methods and apparatus for identifying asset location in communication networks |
| 07/06/2005 | CN1636368A DSP-based variable aperture code generation technique |
| 07/06/2005 | CN1636347A Dual bit error rate estimation in a qam demodulator |
| 07/06/2005 | CN1636326A Switched sideband frequency low-if transmitter |
| 07/06/2005 | CN1636312A Method for trimming a two-point modulator, and a two-point modulator having a trimming apparatus |
| 07/06/2005 | CN1635759A 1 bit sampling differentiate four-phase PSK demodulation circuit and method |
| 07/06/2005 | CN1635725A A method for implementing synchronization in OFDM system |
| 07/06/2005 | CN1635724A OFDM communication method and apparatus |
| 07/06/2005 | CN1209921C Digital broadcasting transmitter capable of inserting different number of pilot sound according to receiving priority grade of data area |
| 07/06/2005 | CN1209897C Method for detecting pilot tones in noisy signal |
| 07/06/2005 | CN1209885C Method and device of iterative demodulation and decode for BPSK modulating system by Turbo encoding |
| 07/05/2005 | US6915318 Interpolator |
| 07/05/2005 | US6915141 Secondary automatic gain control loops for direct conversion CDMA receivers |
| 07/05/2005 | US6914981 Communication device |
| 07/05/2005 | US6914952 Superframe alignment to a pre-existing ADSL data exchange |
| 07/05/2005 | US6914945 Clock recovery circuit |
| 07/05/2005 | US6914943 Signal modulation circuit and signal modulation method |
| 07/05/2005 | US6914942 Method and apparatus for selecting an optimal swapping technique in discrete multi-tone system |
| 07/05/2005 | US6914934 Multiplier-free methods and apparatus for signal processing in a digital communication system |
| 07/05/2005 | US6914931 Spread spectrum receiver kalman filter residual estimator method |
| 07/05/2005 | US6914478 Demodulation method and demodulator |
| 07/05/2005 | US6914472 Phase modulating system |
| 07/05/2005 | CA2275643C Receiver decoder circuitry, and associated method, for decoding a channel encoded signal |
| 06/30/2005 | WO2005060298A1 Method and apparatus for allocating a pilot signal adapted to the channel characteristics |
| 06/30/2005 | WO2005060196A1 Demodulation of a multi-level quadrature amplitude modulation signal |
| 06/30/2005 | WO2005060195A1 Method and apparatus in a cellular telecommunications system |
| 06/30/2005 | WO2005060194A1 Wireless multicarrier system with subcarriers reserved for communication between unsynchronized nodes |
| 06/30/2005 | WO2005060140A2 Module to module signaling with jitter modulation |
| 06/30/2005 | WO2005060135A1 Automatic gain control apparatus and method in orthogonal frequency division multiplexing |
| 06/30/2005 | WO2005060124A1 Interference-weighted communication signal processing systems and methods |
| 06/30/2005 | WO2005060109A2 Demodulation apparatus for efficiently embodying adaptive modulation and coding method in ofdma based packet communication system and method thereof |
| 06/30/2005 | WO2005034409A3 Sync bursts for frequency offset compensation |
| 06/30/2005 | US20050144209 Apparatus and method for selectively performing Fast Hadamard Transform or fast fourier transform |
| 06/30/2005 | US20050143985 Apparatus and method for concealing highband error in spilt-band wideband voice codec and decoding system using the same |
| 06/30/2005 | US20050143125 Method and apparatus to exchange channel information |
| 06/30/2005 | US20050143011 Locating interfering devices in wireless networks using channel adaptation metrics |
| 06/30/2005 | US20050143004 Method to optimize hierarchical modulation for a diversity system |
| 06/30/2005 | US20050141683 Control and monitoring telecommunication system and method of setting a modulation method |
| 06/30/2005 | US20050141658 Frequency offset estimating method and frequency offset correcting apparatus utilizing said method |
| 06/30/2005 | US20050141656 Apparatus and method for enhancing a reception rate of a receiver |
| 06/30/2005 | US20050141654 Apparatus for compensating phase of receiver and method thereof |
| 06/30/2005 | US20050141651 Method and system for modifying branch metric of Viterbi decoder for uncorrelated signals |
| 06/30/2005 | US20050141649 Method and apparatus for estimating channel response and receiver apparatus using the estimated channel response for OFDM radio communication systems |
| 06/30/2005 | US20050141647 Receiving method and receiving apparatus |
| 06/30/2005 | US20050141646 Carrier recovery apparatus and digital broadcast receiver using the same |
| 06/30/2005 | US20050141645 VSB receiver and carrier recovery apparatus thereof |
| 06/30/2005 | US20050141644 Symbol de-mapping methods in multiple-input multiple-output systems |
| 06/30/2005 | US20050141641 Receiving method and receiving apparatus with adaptive array signal processing |
| 06/30/2005 | US20050141638 Device and method of measuring frequency domain response in RF modulator |
| 06/30/2005 | US20050141636 Modulator and semiconductor integrated circuit including modulator and wired or wireless communication device including modulator and semiconductor device |