Patents for H04L 27 - Modulated-carrier systems (89,721) |
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07/10/2008 | WO2008080258A1 Efficient bank of correlators for sets of gcl sequences |
07/10/2008 | WO2008063242A3 Systems and methods for orthogonal frequency division multiple access (ofdma) communications over satellite links |
07/10/2008 | WO2008058080A3 Methods and apparatus for signal and timing detection in wireless communication systems |
07/10/2008 | WO2008049714A8 Robust and low-complexity combined signal power estimation for ofdm |
07/10/2008 | WO2008045332A3 Interference cancellation system |
07/10/2008 | WO2008037739A3 Reduction of peak-to-average-power ratio in a telecommunications system |
07/10/2008 | WO2008003087A3 Method and apparatus for selection mechanism between ofdm-mimo and lfdm-simo |
07/10/2008 | WO2007137281A3 Phase correction for ofdm and mimo transmissions |
07/10/2008 | WO2007115121A3 Ofdma transmitter and method of transmitting ofdma signals using compress-decompress modulation |
07/10/2008 | WO2005099159A3 System and method for enhancing near vertical incidence skywave (“nvis”) communication using space-time coding |
07/10/2008 | US20080168337 Data Encoding Method and Apparatus for Flash-Type Signaling |
07/10/2008 | US20080166126 Device and Method for Decoding an Optical Multi-Level Dpsk Signal |
07/10/2008 | US20080165904 Symbol scaling with automatic gain control for wireless communication |
07/10/2008 | US20080165903 Apparatus, method and computer program product for detecting non-synchronized random access channel preamble |
07/10/2008 | US20080165902 Circuit and method for differential signaling receiver |
07/10/2008 | US20080165901 Method and apparatus for processing signals received from a channel having a variable channel length |
07/10/2008 | US20080165900 Demodulating A Signal Encoded According To ASK Modulation And PSK Modulation |
07/10/2008 | US20080165899 Radio frequency receiver having dynamic bandwidth control and method of operation |
07/10/2008 | US20080165897 Reducing Power Consumption in Signal Detection |
07/10/2008 | US20080165894 Transmitter With Forward Error Correction Coding for Hybrid AM In-Band On-Channel Digital Audio Broadcasting Systems |
07/10/2008 | US20080165892 Using the Preamble in an OFDM-Based Communications System to Indicate the Number of Guard Tones |
07/10/2008 | US20080165891 Pilot design for improved channel and interference estimation |
07/10/2008 | US20080165890 System and method for setting phase reference points in continuous phase modulation systems by providing pilot symbols at a location other than the location of the phase reference point |
07/10/2008 | US20080165888 Flow control of frame based data over a synchronous digital network |
07/10/2008 | US20080165887 System and method for transmitting and receiving data in a communication system |
07/10/2008 | US20080165886 System and method for inserting pilot symbols in continuous phase modudlation systems |
07/10/2008 | US20080165885 Data Transmission |
07/10/2008 | US20080165877 Method and system for transmitting data streams via a beamformed MIMO channel |
07/10/2008 | US20080165875 Multi-user MIMO-SDMA for finite rate feedback systems |
07/10/2008 | US20080165872 Method and apparatus for transmitting and receiving shared control channel message in a wireless communication system using orthogonal frequency division multiple access |
07/10/2008 | US20080165871 Ofdm Receiver, Integrated Circuit And Receiving Method |
07/10/2008 | US20080165870 Method and system for a delta quantizer for mimo pre-coders with finite rate channel state information feedback |
07/10/2008 | US20080165869 Method and system for a delta quantizer for mimo pre-coders with finite rate channel state information feedback |
07/10/2008 | US20080165868 Method and system for codebook design of mimo pre-coders with finite rate channel state information feedback |
07/10/2008 | US20080165867 System and method for reducing interference in an orthogonal frequency division modulation system |
07/10/2008 | US20080165834 Method and receiving unit for the detection of data symbols |
07/10/2008 | US20080165767 Hierarchical Data Collection Network Supporting Packetized Voice Communications Among Wireless Terminals And Telephones |
07/10/2008 | DE102006062598A1 ASK-Demodulator mittels Differenzsignalauswertung der positiven und negativen Halbwelle ASK demodulator by means of differential signal evaluation of the positive and negative half-wave |
07/10/2008 | DE102005044388B4 Verfahren zum Betrieb einer sendenden Station in einem Kommunikationssystem sowie sendende Station Method for operating a transmitting station in a communication system as well as transmitting station |
07/09/2008 | EP1942690A2 Method for detecting unused frequency bands in cognitive radio network |
07/09/2008 | EP1942624A2 Method for communication in a cellular network using OFDMA for multiple users |
07/09/2008 | EP1942623A1 Method for data transmission using a block guard interval, subscriber and system |
07/09/2008 | EP1942622A2 Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems |
07/09/2008 | EP1941779A2 Resource allocation for shared signaling channels |
07/09/2008 | EP1941771A2 Shared signaling channel |
07/09/2008 | EP1941693A1 Pilot signal transmission for an orthogonal frequency division wireless communication system |
07/09/2008 | EP1941692A1 Sdma resource management |
07/09/2008 | EP1941691A2 Method and apparatus for achieving flexible bandwidth using variable guard bands |
07/09/2008 | EP1941690A2 Multi-channel equalization to compensate for impairments introduced by interleaved devices |
07/09/2008 | EP1941689A1 System and method of frequency acquisition |
07/09/2008 | EP1941647A1 Precoding for segment sensitive scheduling in wireless communication systems |
07/09/2008 | EP1941645A2 Puncturing signaling channel for a wireless communication system |
07/09/2008 | EP1941630A2 Apparatus, method and computer program product providing common channel arrangements for soft frequency reuse |
07/09/2008 | EP1875694B1 Reduced complexity channel estimation in ofdm systems |
07/09/2008 | EP1792462B1 Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling |
07/09/2008 | EP1716679B1 Apparatus and method for estimating an effective channel and apparatus and method for providing pilot sequences |
07/09/2008 | EP1613013B1 Method and apparatus for reducing amplitude variations and interference in communication signals employing inserted pilot signals |
07/09/2008 | EP1302017B1 Method and apparatus for updating equalizer coefficients and for sampling rate control |
07/09/2008 | EP1195034B1 Power control scheme for maximizing carrier signal-to-noise ratio in multicarrier transmitters |
07/09/2008 | EP1166514B1 Method and receiver for receiving and decoding signals modulated with different modulation methods |
07/09/2008 | CN101218775A Multi-user access system MIMO-OFDM resource distributing method |
07/09/2008 | CN101218773A Signal space expansion for 16 QAM scheme |
07/09/2008 | CN101218748A High effeciency RF transmitter system using non-linear amlifiers |
07/09/2008 | CN101217527A A transmitting method and detecting method of additional information; base station and user device |
07/09/2008 | CN101217526A An OFDM system carrier interference noise ratio measurement method |
07/09/2008 | CN101217525A A downlink frame synchronization method and device in orthogonal frequency division multiplexing system |
07/09/2008 | CN101217524A Channel decoding device and method |
07/09/2008 | CN101217343A A smooth regulation method on type of modulation |
07/09/2008 | CN101217340A Time-domain transmit and receive processing with channel eigen-mode decompositon for MIMO systems |
07/09/2008 | CN101217326A A system on urban traffic information broadcasting aiming at dynamic traffic guidance |
07/09/2008 | CN101217308A A synchronous channel transmitting method and device for time division duplex |
07/09/2008 | CN101217288A An estimation method of virtual pilot frequency assistant channel |
07/09/2008 | CN100401829C Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
07/09/2008 | CN100401821C Carrier search methods and related devices |
07/09/2008 | CN100401753C Intelligent antenna control system for digital TV receiving |
07/09/2008 | CN100401726C Head position control method, head position control device, and disk device |
07/09/2008 | CN100401658C Signalling transmitting method and cellular system therefor |
07/09/2008 | CN100401642C Method for simplifying analog processing in a transmitter incorporating a randomization circuit, and transmitter |
07/08/2008 | US7398455 Method and system for decoding low density parity check (LDPC) codes |
07/08/2008 | US7397877 Clock drift compensation method for remote communications |
07/08/2008 | US7397873 Adaptive signal weighting system |
07/08/2008 | US7397872 Automatic gain control circuit and method thereof and demodulation apparatus using the same |
07/08/2008 | US7397869 Process for providing a pilot aided phase recovery of a carrier |
07/08/2008 | US7397868 Direct conversion RF transceiver for wireless communications |
07/08/2008 | US7397865 Systems and methods of using IQ modulation for calibration or measurement |
07/08/2008 | US7397864 Incremental redundancy with space-time codes |
07/08/2008 | US7397860 Fractional local peak detection and mitigation for PAR reduction |
07/08/2008 | US7397859 Multi-carrier communication systems employing variable symbol rates and number of carriers |
07/08/2008 | US7397839 OFDM communication system and method |
07/08/2008 | US7397838 Base station identification in orthogonal frequency division multiplexing based spread spectrum multiple access systems |
07/08/2008 | US7397300 FSK demodulator system and method |
07/08/2008 | CA2407960C System and method for direct transmitter self-calibration |
07/03/2008 | WO2008079562A1 Reducing power consumption in mobile terminals by changing modulation schemes |
07/03/2008 | WO2008078919A2 Methods for sequence generation and transmission based on time and frequency domain transmission unit in a mobile communication system |
07/03/2008 | WO2008078613A1 Qam demodulation |
07/03/2008 | WO2008078312A2 Adaptive coding and modulation based on link performance prediction |
07/03/2008 | WO2008078118A1 Ultra wideband communications systems |
07/03/2008 | WO2008078113A1 Transmission method |
07/03/2008 | WO2008077959A1 Method of determining a channel quality and modem |
07/03/2008 | WO2008077950A2 Initialization of and modem for an ofdm data transmission |