Patents for H04L 27 - Modulated-carrier systems (89,721) |
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04/19/2006 | CN1252955C Device and method for repeating high-speed data in CDMA mobile communication system |
04/19/2006 | CN1252938C Receiver, transmitter-receiver, and communication method |
04/19/2006 | CN1252910C Communications systems |
04/18/2006 | US7032223 Transport convergence sub-system with shared resources for multiport xDSL system |
04/18/2006 | US7031748 Radio signal receiving apparatus and demodulating circuit |
04/18/2006 | US7031738 Apparatus for reallocating communication resources to establish a priority call in a fixed wireless access communication system |
04/18/2006 | US7031685 Receiver for regenerating a signal wave via digital signal processing |
04/18/2006 | US7031684 Variable gain amplifier device |
04/18/2006 | US7031462 Electronic inductor with transmit signal telephone line driver |
04/18/2006 | US7031446 Device for use in communication systems |
04/18/2006 | US7031410 Method of noise cancellation in a signal generated by discrete multi-tone modulation and circuit for carrying out said method |
04/18/2006 | US7031409 Fully digital AGC circuit with wide dynamic range and method of operation |
04/18/2006 | US7031408 Mechanism for reducing recovery time after path loss in coded data communication system having sequential decoder |
04/18/2006 | US7031406 Information processing using a soft output Viterbi algorithm |
04/18/2006 | US7031405 Carrier phase estimation based on single-axis constant modulus cost criterion and Bussgang criteria |
04/18/2006 | US7031403 Phase shift keying modulation including a data converter for converting an input data signal having 3 bits long into two ternary converted data signals |
04/18/2006 | US7031401 Digital to analog converter with time dithering to remove audio tones |
04/18/2006 | US7031400 Method of selecting a PCM modem signal constellation in relation to channel impairments |
04/18/2006 | US7031399 Demodulator having automatic quadrature control function |
04/18/2006 | US7031397 Communication system with reduced power variation and method therefor |
04/18/2006 | US7031395 Apparatus and methods for digital-to-analog conversion |
04/18/2006 | US7031394 Communication systems conveying voice and data signals over standard telephone lines |
04/18/2006 | US7031382 Non-linear equalizer system and method |
04/18/2006 | US7031372 Multiple user reconfigurable CDMA processor |
04/18/2006 | US7031370 Spread-spectrum communication device |
04/18/2006 | US7031344 Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops |
04/18/2006 | US7031285 Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced |
04/18/2006 | US7031265 Method and apparatus for performing packet detection processing |
04/18/2006 | US7031251 Clipping distortion canceller for OFDM signals |
04/18/2006 | US7031250 Method and apparatus for channel estimation |
04/18/2006 | US7031249 Outer code for CSMA systems using an OFDM physical layer in contention-free mode |
04/18/2006 | US7030910 Wireless camera |
04/18/2006 | US7030812 Wireless clock synchronization |
04/18/2006 | US7030811 Methods and apparatus for identifying asset location in communication networks |
04/18/2006 | CA2478539C A method and device for estimating transmitted signals in a receiver in digital signal transmission operations |
04/18/2006 | CA2425437C Demodulation apparatus and method in a communication system employing 8-ary psk modulation |
04/13/2006 | WO2006039681A1 Apparatus and method for receiving packet data on a subset of carrier frequencies in a wireless communication system |
04/13/2006 | WO2006039614A1 Determining spatial power allocation and bit loading for a mimo ofdm system without feedback information about the channel |
04/13/2006 | WO2006039550A2 Frame-based carrier frequency and phase recovery system and method |
04/13/2006 | WO2006039546A1 Multicarrier receivers and methods for detecting cyclic prefixes having |
04/13/2006 | WO2006039297A2 Estimation of signal-to-noise ratio by processing measured error vector magnitude |
04/13/2006 | WO2006038710A1 Semiconductor device |
04/13/2006 | WO2006037835A1 Block modulation |
04/13/2006 | WO2006004828A3 Multiplexing octets from a data flow over mpeg packets |
04/13/2006 | WO2005057824A3 Direct-sequence cdma method and device |
04/13/2006 | WO2005043852A9 Apparatus for determining a frequency offset error and receiver based thereon |
04/13/2006 | WO2005038606A3 Carrier search methods and apparatus |
04/13/2006 | WO2004093363A3 Phase locked loop for an ofdm system |
04/13/2006 | US20060078337 Optical waveform for use in a DWDM optical network and systems for generating and processing same |
04/13/2006 | US20060078075 Data detection and decoding with considerations for channel estimation errors due to guard subbands |
04/13/2006 | US20060078074 Path detection device and path detection method |
04/13/2006 | US20060078073 Communication channel detector and channel detection method |
04/13/2006 | US20060078072 Synchronization signal detection circuit and method of digital television (DTV) receiver |
04/13/2006 | US20060078071 Carrier and symbol timing recovery apparatus usable with a vestigial side band receiver and recovery method thereof |
04/13/2006 | US20060078070 Carrier phase and symbol timing recovery circuit for an ATSC receiver and method of recovering a carrier phase and a symbol timing in received digital signal data |
04/13/2006 | US20060078069 Hybrid receiver architecture using upconversion followed by direct downconversion |
04/13/2006 | US20060078068 Methods and apparatus for wireless communication |
04/13/2006 | US20060078067 Apparatus and method for direct quadrature power amplifier modulation |
04/13/2006 | US20060078063 Block modulation |
04/13/2006 | US20060078005 System and method for locating a data frame within a transmitted data stream |
04/13/2006 | US20060077944 Backward compatible transmitter diversity scheme for use in an ofdm communication system |
04/13/2006 | US20060077076 Encoding apparatus and encoding method |
04/13/2006 | DE102004048572A1 Verfahren sowie Schaltungsanordnung zur Unterdrückung einer orthogonalen Störung Method and circuit arrangement for suppressing an orthogonal interference |
04/13/2006 | DE102004038100B3 Erzeugung eines Takts mit gespreiztem Frequenzspektrum Generating a clock frequency spread-spectrum |
04/13/2006 | DE102004032363B4 GPS-Empfänger und zugehöriges Signalverarbeitungsverfahren GPS receiver and associated signal processing method |
04/13/2006 | DE102004008227B4 Polyphasen-Auswahl in Dezimationseinrichtungen von Mobilfunkempfängern zum Ausregeln einer fraktionalen Verzögerung Polyphase selection in Dezimationseinrichtungen of mobile receivers for regulating on a fractional delay |
04/13/2006 | DE10117563B4 Verfahren zur Verstärkung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals nach dem Prinzip des Envelope Elimination und Restoration und Schaltungsanordnung A method for amplifying an amplitude and / or phase-modulated radio frequency signal according to the principle of the Envelope Elimination and Restoration, and the circuit arrangement |
04/13/2006 | CA2582917A1 Frame-based carrier frequency and phase recovery system and method |
04/12/2006 | EP1646196A1 Differential phase coding in wireless communications system |
04/12/2006 | EP1646195A1 Phase coding in wireless communications system |
04/12/2006 | EP1646172A1 Radio communication apparatus and radio communication method |
04/12/2006 | EP1646170A1 Radio communication apparatus and subcarrier assignment method |
04/12/2006 | EP1645134A1 Digital broadcasting transmission/ reception capable of improving a receiving performance and a signal processing method thereof |
04/12/2006 | EP1645125A1 Digital broadcast transmission system of improved receptability and signal processing method thereof |
04/12/2006 | EP1645096A1 Methods and apparatus for backwards compatible communication in a multiple antenna communication system using fdm-based preamble structures |
04/12/2006 | EP1645095A1 Transmitter and method for digital multi-carrier transmission using wavelets |
04/12/2006 | EP1645060A2 Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication |
04/12/2006 | EP1492292A4 Methods and systems for digital data transmission |
04/12/2006 | EP1179255B1 Transmitter for transmitting signals over radio channels and method for transmitting signals over radio channels |
04/12/2006 | EP1101314A4 Method and apparatus for mapping bits to an information burst |
04/12/2006 | EP1076971B1 Method for transmitting a message impressed on a signal as a useful signal |
04/12/2006 | CN2772134Y External wireless communication device |
04/12/2006 | CN2772131Y Long-distance monitored domestic appliance |
04/12/2006 | CN1759597A Robust mode staggercasting storing content |
04/12/2006 | CN1759583A Transceiver with I/Q mismatch compensation scheme |
04/12/2006 | CN1759582A Sub-carrier allocation method for reducing inter-cell interference in OFDM cellular environment |
04/12/2006 | CN1759581A GMSK modulation techniques |
04/12/2006 | CN1759580A Method and apparatus for electronic item identification in a communication system using known source parameters |
04/12/2006 | CN1759552A OFDM signal transmission method, transmission device, and reception device |
04/12/2006 | CN1758746A Automatic clear, adding recording and searching acquiring method for digital TV EPG information |
04/12/2006 | CN1758745A Transmitter for digital broadcasting system with comprehensive error correcting coding function and method thereof |
04/12/2006 | CN1758642A System, modem, receiver, transmitter and method for improving transmission performance |
04/12/2006 | CN1758641A Orthogonal frequency-division multiplying transmitter for regulating false noise sequence level value according to service mode |
04/12/2006 | CN1758640A Sync extraction apparatus in communication system and method thereof |
04/12/2006 | CN1758639A Sample clock frequency deviation compensation method and device for OFDM receiver |
04/12/2006 | CN1758638A Carrier and symbol timing recovery apparatus usable with a vestigial side band receiver and recovery method thereof |
04/12/2006 | CN1758621A Fixed OFDM wireless man utilizing CPE having internal antenna |
04/12/2006 | CN1758620A Fixed OFDM wireless man utilizing CPE having internal antenna |
04/12/2006 | CN1758619A Fixed OFDM wireless man utilizing CPE having internal antenna |
04/12/2006 | CN1758618A Fixed OFDM wireless man utilizing CPE having internal antenna |