Patents for H04L 27 - Modulated-carrier systems (89,721) |
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12/26/2007 | CN101093253A Modulation signals for a satellite navigation system |
12/26/2007 | CN100358325C Apparatus for receiving and recovering frequency shift keyed symbols |
12/26/2007 | CN100358324C Data equalization method for burst communication |
12/26/2007 | CN100358271C AM and digital coexisting broadcasting method and device |
12/26/2007 | CN100358259C Site diversity method, method for feceiving digital satellite broadcast, and receiver for digital satellite broadcast |
12/26/2007 | CN100358251C QAM with quantised power |
12/26/2007 | CN100358248C System and method for post filtering peak power reduction in communications systems |
12/25/2007 | USRE39956 Communication system |
12/25/2007 | US7313400 Radio communication device and method thereof |
12/25/2007 | US7313209 Method and arrangement to synchronize a multi-carrier transmission system |
12/25/2007 | US7313206 Modified branch metrics for processing soft decisions to account for phase noise impact on cluster variance |
12/25/2007 | US7313205 Method and apparatus for frequency correction in wireless local area network systems |
12/25/2007 | US7313204 Method and device for transmitting and identifying a modulation type in digital communication systems by way of a phase rotation factor applied to a training sequence |
12/25/2007 | US7313203 Method and system for estimating and compensating IQ imbalance |
12/25/2007 | US7313202 Asynchronous serial data receiver for packet transfer |
12/25/2007 | US7313201 Multi-range transconductor and method of operation |
12/25/2007 | US7313200 Radio frequency communications systems and methods employing single and multiple sinewave modulation and demodulation techniques |
12/25/2007 | US7313199 Power amplifier linearization |
12/25/2007 | US7313198 Self calibrating transmit path correction system |
12/25/2007 | US7313195 PAPR reduction method using bit reallocation |
12/25/2007 | US7313193 Multi–tone signal transmission methods and apparatus |
12/25/2007 | US7313191 Receiver device of communication system |
12/25/2007 | US7313190 Efficient bit interleaver for a multi-band OFDM ultra-wideband system |
12/25/2007 | US7313189 Receiver which demodulates OFDM symbol |
12/25/2007 | US7313188 Subcarrier time offsets for improved peak-to-average power of a transmitter |
12/25/2007 | US7313175 Method for avoiding interference radiation of AM transmitters used in digital transmission |
12/25/2007 | US7313174 Method for extracting a variable reference pattern |
12/25/2007 | US7313130 Spectrally compatible mask for enhanced upstream data rates in DSL systems |
12/25/2007 | US7313125 OFDM demodulation method and semiconductor integrated circuit device |
12/25/2007 | US7313122 Multi-user carrier frequency offset correction for CDMA systems |
12/25/2007 | US7313086 OFDM receiver, semiconductor integrated circuit and OFDM method for receiving a signal |
12/25/2007 | US7313085 Method for creating symmetric-identical preamble and method for synchronizing symbol and frequency of orthogonal frequency division multiplexed signals by using symmetric-identical preamble |
12/21/2007 | WO2007147121A2 Multiplexing of information streams |
12/21/2007 | WO2007146930A2 Reverse link pilot transmission for a wireless communication system |
12/21/2007 | WO2007146713A1 Doppler frequency determination for mobile wireless devices |
12/21/2007 | WO2007146711A1 Multiband antenna array using electromagnetic bandgap structures |
12/21/2007 | WO2007146691A2 System and method for providing a transmitter for polar modulation and power amplifier linearization |
12/21/2007 | WO2007146182A2 Modulation of a carrier radio signal by a mobile terminal in a wireless telecommunications network |
12/21/2007 | WO2007145660A1 Orthogonal frequency division multiplexing using subsymbol processing |
12/21/2007 | WO2007145634A1 Multiple resolution mode orthogonal frequency division multiplexing system and method |
12/21/2007 | WO2007145492A2 Encoding uplink acknowledgments to downlink transmissions |
12/21/2007 | WO2007144037A2 System for calibrating at least one quadrature modulator and operating method therefor |
12/21/2007 | WO2007127250A3 Ofdma based on cognitive radio |
12/21/2007 | WO2007109679A3 Uplink channel estimation using a signaling channel |
12/21/2007 | WO2007107821A3 Amended control for resource allocation in a radio access network |
12/21/2007 | WO2007100480A3 A welding-type system with power source and remote device connected through a weld cable using binary phase shift keying for transmitting commands over the weld cable; a method of remotely controlling such power source using such transmitting phase shift keying |
12/21/2007 | WO2007094832A3 Recursive and trellis-based feedback reduction for mimo-ofdm with rate-limited feedback |
12/21/2007 | WO2006050515A3 Ultrawideband cmos transceiver |
12/21/2007 | CA2655452A1 Programmable transmitter architecture for non-constant and constant envelope modulation |
12/21/2007 | CA2652896A1 Reverse link pilot transmission for a wireless communication system |
12/21/2007 | CA2652695A1 Fast in-phase and quadrature imbalance calibration |
12/20/2007 | US20070291880 Radio receiver and a method thereof |
12/20/2007 | US20070291879 Demodulation circuit and electronic device |
12/20/2007 | US20070291878 Digital broadcasting receiver having destination arrival information notification function and notification method using the same |
12/20/2007 | US20070291876 System for high definition radio blending |
12/20/2007 | US20070291875 Polar transmitter for increasing modulation rate using multi-phase generator |
12/20/2007 | US20070291874 Method and apparatus for modulating digital signal using equilateral triangular constellation |
12/20/2007 | US20070291873 Transmitter Apparatus and Wireless Communication Apparatus |
12/20/2007 | US20070291870 Communications systems |
12/20/2007 | US20070291869 Wireless communication system and method |
12/20/2007 | US20070291865 Radio Broadcasting Method and Transmitter Using Pre-Filtering and Corresponding Signal |
12/20/2007 | US20070291863 Digital branch calibrator for an rf transmitter |
12/20/2007 | US20070291862 Method and device for synchronisation in ofdm |
12/20/2007 | US20070291860 Recursive Sequence Generation For Selected Mapping In Multi-Carrier Systems |
12/20/2007 | US20070291859 Past presence hints |
12/20/2007 | US20070291639 Apparatus and methods for communicating using symbol-modulated subcarriers |
12/20/2007 | DE19955564B4 W-CDMA Analysevorrichtung und Verfahren zur Anzeige der Ergebnisse der W-CDMA Analyse und Speichermedium mit einem Programm zur Anzeige der Ergbnisse der W-CDMA Analyse W-CDMA analysis apparatus and method for displaying the results of the W-CDMA analysis and storage medium having a program for displaying the result list of the W-CDMA analysis |
12/20/2007 | DE102006038857A1 Funksender Radio stations |
12/20/2007 | DE102006025436A1 Verfahren und Vorrichtung zur Erzeugung Frequenz- und/oder phasenmodulierter Signale Method and apparatus for generating frequency and / or phase-modulated signals |
12/19/2007 | EP1868340A1 Order calculation method in a quadrature amplitude modulation receiver |
12/19/2007 | EP1868339A1 Orthogonal frequency division multiplex transmission method |
12/19/2007 | EP1868338A1 Orthogonal frequency division multiplex transmission method |
12/19/2007 | EP1868337A1 Orthogonal frequency division multiplex transmission method |
12/19/2007 | EP1868336A2 transmitter and transmission method |
12/19/2007 | EP1868306A2 Wireless data communication apparatus and method using an UWB pulse sequence |
12/19/2007 | EP1868302A1 Orthogonal frequency division multiplex transmission method |
12/19/2007 | EP1868135A1 System and method for privilege management and revocation |
12/19/2007 | EP1867125A1 Transmission methods and apparatus combining pulse position modulation and hierarchical modulation |
12/19/2007 | EP1867124A1 Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
12/19/2007 | EP1867123A2 Signal transmitter for wideband wireless communication |
12/19/2007 | EP1867122A2 Agc with integrated wideband interferer detection |
12/19/2007 | EP1867121A1 Demodulation and amplification regulation concept, in particular for ir receivers |
12/19/2007 | EP1867085A1 Methods and systems for transmission of orthogonal frequency division multiplexed symbols |
12/19/2007 | EP1867084A1 Systems and methods for ofdm channelization |
12/19/2007 | EP1867063A1 Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing |
12/19/2007 | EP1867055A2 Separation of cochannel fm signals |
12/19/2007 | EP1866794A1 Partial fft processing and demodulation for a system with multiple subcarriers |
12/19/2007 | EP1866765A2 An operational state transition and event logging system for an rf transmitter |
12/19/2007 | EP1866740A2 Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems |
12/19/2007 | EP1805958B1 Arrangement for the synchronous emission of analog signals produced in at least two digital/analog converters |
12/19/2007 | EP1683316B1 Apparatus for determining a frequency offset error and receiver based thereon |
12/19/2007 | EP1673914A4 Dual phase pulse modulation encoder circuit |
12/19/2007 | EP1629545A4 Ultra-wideband communication system and method |
12/19/2007 | EP1330905B1 Modulator with low sensitivity to amplitude and phase errors of the carrier signal |
12/19/2007 | CN101091368A Method and apparatus for transmitting/receiving a signal in an ffh-ofdm communication system |
12/19/2007 | CN101091367A Transmitter apparatus |
12/19/2007 | CN101091366A Reduced parallel and pipelined high-order mimo lmmse receiver architecture |
12/19/2007 | CN101090386A Block transmission system frequency field demodulation device based on filter set and its method |
12/19/2007 | CN101090385A SD/FD dispatching method and device |
12/19/2007 | CN101090384A Subband dispatching method and device |