Patents for H04L 27 - Modulated-carrier systems (89,721) |
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12/22/2005 | US20050281349 Multiple streams using STBC with higher data rates and diversity gain within a wireless local area network |
12/22/2005 | US20050281348 STBC with multiple streams in OFDM for WLAN and error metrics for soft decision with channel information |
12/22/2005 | US20050281346 Method and system of tone ordering for discrete multi-tone systems with tone grouping |
12/22/2005 | US20050281345 Device and method for reducing peaks of a composite signal |
12/22/2005 | US20050281324 Method and apparatus to compensate for receiver frequency error in noise estimation processing |
12/22/2005 | US20050281319 Packet spread-spectrum receiver |
12/22/2005 | US20050281316 Method for transmitting/receiving operation mode information in a broadband wireless access communication system |
12/22/2005 | US20050281292 Methods and systems for communicating using transmitted symbols associated with multiple time durations |
12/22/2005 | US20050281290 Signal acquisition in a wireless communication system |
12/22/2005 | US20050281241 Legacy compatible spatial multiplexing systems and methods |
12/22/2005 | US20050281240 Apparatus and method for efficiently transmitting broadcasting channel utilizing cyclic delay diversity |
12/22/2005 | US20050281239 System and method for signaling modes |
12/22/2005 | US20050281238 Process for obtaining notches in the transmission of signals over the electricity network |
12/22/2005 | US20050281229 Selection between two different coding schemes and corresponding modulation schemes according to the allowable transmission delay of the data |
12/22/2005 | US20050281228 System for soft handover in MIMO OFDMA mobile communication system and method thereof |
12/22/2005 | US20050281221 System and method for allocating an adaptive modulation and coding subchannel in an orthogonal frequency division multiple access communication system with multiple antennas |
12/22/2005 | US20050281189 Method for transmitting/receiving data in mobile communication systems using an OFDMA scheme |
12/22/2005 | US20050281188 Transmitter and receiver for fast frequency hopping based on a cyclic frequency hopping pattern in an orthogonal frequency division multiplexing system |
12/22/2005 | DE102005022684A1 Decision feedback equalization input buffer for memory device, has equalizing controller that modifies variable equalizing control signal in response to timing control signal generated by phase detector |
12/22/2005 | DE102004049019A1 Transmitter for use in radio communication system, has two phase and frequency modulators combined by adders, where output signals of modulators are strengthened by adders over each power amplifier |
12/22/2005 | DE102004026214A1 Verfahren und Vorrichtung zur Übertragung von Daten Method and apparatus for transmitting data |
12/22/2005 | DE102004026148A1 Digital gesteuertes Filter-Tuning für WLAN-Kommunikationsgeräte The digitally controlled filter tuning for wireless communication devices |
12/22/2005 | DE102004025826A1 Verfahren zur Rückbildung einer Bitsequenz aus QPSK- oder QAM-Symbolen Process for the formation of a bit sequence of QPSK or QAM symbols |
12/22/2005 | DE102004025109A1 Vorrichtung und Verfahren zur Präambeldetektion und Rahmensynchronisation bei der Datenpaketübertragung Apparatus and method for preamble and frame synchronization in data packet transmission |
12/22/2005 | DE102004014563A1 Verfahren und Vorrichtung zur verbesserten drahtlosen Datenübertragung Method and apparatus for improved wireless data transmission |
12/22/2005 | CA2741485A1 Frame structures for a wireless communication system with multiple radio technologies |
12/22/2005 | CA2569456A1 Multicarrier modulation system with cyclic delay diversity |
12/22/2005 | CA2569455A1 Transmission of overhead information for broadcast and multicast services in a wireless communication system |
12/22/2005 | CA2569454A1 Coding and modulation for broadcast and multicast services in a wireless communication system |
12/22/2005 | CA2568001A1 Robust underwater communication system |
12/21/2005 | EP1608167A1 Moving picture processing device, information processing device, and program thereof |
12/21/2005 | EP1608122A1 Methods and systems for communicating using transmitted symbols associated with multiple time durations |
12/21/2005 | EP1608121A2 Handover for an ofdm wireless communication system |
12/21/2005 | EP1608120A2 Method for transmitting/receiving data in mobile communication system using an OFDMA scheme |
12/21/2005 | EP1608119A2 System and method for actively terminating a transmission line |
12/21/2005 | EP1608095A2 Digital subscriber line transmission method, apparatus and system employing synchronous processing |
12/21/2005 | EP1608094A1 Ofdm signal transmission method, transmission device, and reception device |
12/21/2005 | EP1608081A2 Apparatus and method for space-frequency block coding/decoding in a communication system |
12/21/2005 | EP1608061A1 Frequency converter using a tunable bandpass filter |
12/21/2005 | EP1606916A2 Multi-antenna communication systems utilizing rf-based and baseband signal weighting and combining |
12/21/2005 | EP1606915A1 Method and apparatus for reducing discrete power spectral density components in a multiband wideband communication system |
12/21/2005 | EP1606903A1 Testing apparatus for digital telecommunication. |
12/21/2005 | EP1606902A1 Bit swapping for different interleaving depths |
12/21/2005 | EP1606892A2 Low noise hybrid circuit for communications systems using time division multiplexing |
12/21/2005 | EP1606874A2 Timing synchronization for m-dpsk channels |
12/21/2005 | EP1425845B1 Harmonic mixer |
12/21/2005 | EP1175055B1 Broadcast satellite digital broadcasting receiver |
12/21/2005 | EP1108318A4 A constrained-envelope digital-communications transmission system and method therefor |
12/21/2005 | EP1084587B1 Fast acquisition of traffic channels for a highly variable data rate |
12/21/2005 | EP1060571A4 METHOD AND APPARATUS FOR CLOCK TIMING RECOVERY IN $g(x)DSL, PARTICULARLY VDSL MODEMS |
12/21/2005 | EP1000492B1 Method and device for the rapid synchronization of two carrier signals |
12/21/2005 | EP0882345B1 Fsk receiver |
12/21/2005 | CN1711736A Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal |
12/21/2005 | CN1711735A Electromagnetic wave transmitter systems, methods and articles of manufacture |
12/21/2005 | CN1711734A Transmitter and methods of transmission using separate phase and amplitude modulators |
12/21/2005 | CN1711733A Radio communication apparatus and radio communication method |
12/21/2005 | CN1711705A Base station device and adaptive modulation method |
12/21/2005 | CN1710900A Method and device for reducing radio signal dynamic range |
12/21/2005 | CN1710899A Interactive parameter estimation method of multi-input and multi-output system |
12/21/2005 | CN1710898A Modulation and demodulation method for continuous phase signals |
12/21/2005 | CN1710896A Frequency deviation estimation method and apparatus in mobile communication system |
12/21/2005 | CN1233164C Digital broadcast receiver and digital broadcast station selector |
12/21/2005 | CN1233138C Transmitting circuit device |
12/21/2005 | CN1233137C Apparatus and method for keeping frame synchronization in multi-carrier transmission system |
12/21/2005 | CN1233125C Base station apparatus, communication terminal apparatus and communication method |
12/21/2005 | CN1233101C Control device and control method for transmission output of sudden transmitter |
12/21/2005 | CN1233091C Recursive matched filter and matched filtering method |
12/20/2005 | US6977978 Adaptive channel filtration for communications systems |
12/20/2005 | US6977977 Compensation of I/Q gain mismatch in a communications receiver |
12/20/2005 | US6977975 Digital clock recovery PPL |
12/20/2005 | US6977972 Method of hybrid soft/hard decision demodulation of signals with multilevel modulation |
12/20/2005 | US6977968 Transmitting-receiving device comprising a closed cartesian feedback loop |
12/20/2005 | US6977966 Bidirectional optical communications having quick data recovery without first establishing timing and phase lock |
12/20/2005 | US6977965 Phase shift key burst receiver having improved phase resolution and timing and data recovery |
12/20/2005 | US6977884 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method |
12/20/2005 | US6977545 FM signal receiver and wireless communications device using same |
12/20/2005 | CA2320058C Ofdm frame synchronisation and equalisation system |
12/20/2005 | CA2287326C Message transmission system with frequency dividing optical components for parallel processing of optical pulses |
12/15/2005 | WO2005120062A1 Digital broadcasting transmission/reception devices capable of improving a receiving performance an dsignal processing method thereof |
12/15/2005 | WO2005120002A1 Method and apparatus for transmitting uplink fast feedback information in an ofdma communication system |
12/15/2005 | WO2005120001A2 Fully digital transmitter including a digital band-pass sigma-delta modulator |
12/15/2005 | WO2005120000A1 Fourier-transform based linear equalization for mimo cdma downlink |
12/15/2005 | WO2005119953A1 Method for implementing channel estimate in orthogonal frequency division multiplexing (ofdm) system |
12/15/2005 | WO2005119922A2 Modified ieee 802.11a for interoperability between 802.11a devices |
12/15/2005 | WO2005099407A3 Apparatus for and method of developing equalized values from samples of a signal received from a channel |
12/15/2005 | WO2005091612A3 Systems and methods for transmitting an increased amount of data over an analog medium |
12/15/2005 | WO2004100434A9 A transform-based alias cancellation multi-channel tuner |
12/15/2005 | US20050278609 Apparatus and method for erasure detection and soft-decision decoding in cellular system receiver |
12/15/2005 | US20050276359 Gain control for a receiver in a multi-carrier communication system |
12/15/2005 | US20050276358 Wireless LAN receiver with I and Q RF and baseband AGC loops and DC offset cancellation |
12/15/2005 | US20050276355 Method and system for channel estimation in a data transmission system |
12/15/2005 | US20050276354 IQ imbalance compensation |
12/15/2005 | US20050276352 Method and system for establishing an adaptable offset for a receiver |
12/15/2005 | US20050276350 Signal processing architecture for modulation and interpolation |
12/15/2005 | US20050276349 Wireless communication apparatus |
12/15/2005 | US20050276348 Method and apparatus for multi-user transmission |
12/15/2005 | US20050276347 Method and apparatus for preamble training in a multiple antenna communication system |
12/15/2005 | US20050276346 Decoding of a restricted M-of-N code |
12/15/2005 | US20050276345 Continuous phase modulation system and method with added orthogonal signals |
12/15/2005 | US20050276344 Coding scheme for a wireless communication system |