Patents for H04L 27 - Modulated-carrier systems (89,721) |
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06/02/2005 | US20050116786 Amplitude and phase modulation using dual digital delay vectors |
06/02/2005 | US20050116785 Modulation using discrete amplitude adjustment and dual digital delay lines |
06/02/2005 | US20050116345 Support structure for low-k dielectrics |
06/02/2005 | DE202005001929U1 Serial data transmission arrangement for vehicle, uses spread spectrum to increase electromagnetic compatibility |
06/02/2005 | DE10348846A1 Verfahren zur Schätzung eines Frequenzversatzes eines modulierten Bandpass-Signals A method of estimating a frequency offset of a modulated band-pass signal |
06/02/2005 | DE10348818A1 Verfahren zur Regelung eines Schutzintervalls von Datenströmen in digitalen Funkübertragungseinrichtungen und Funkempfangsgerät hierzu Method for controlling a guard interval of data streams in digital radio transmission devices and broadcast receivers this |
06/02/2005 | DE10334842B4 Gewichtungsschaltung für einen Mehrträger-Signalempfänger Weighting circuit for a multi-carrier signal receiver |
06/02/2005 | CA2545972A1 Method and apparatus for mobile radio velocity estimation |
06/02/2005 | CA2545546A1 Coherent tracking for fm iboc receiver using a switch diversity antenna system |
06/01/2005 | EP1536605A1 Amplitude modulation combined with phase or with frequency modulation |
06/01/2005 | EP1536604A1 Demodulator circuit and receiver device |
06/01/2005 | EP1536590A1 Method of reception for a telecommunications signal |
06/01/2005 | EP1536585A1 Data processor and method for processing data |
06/01/2005 | EP1536581A1 Multi-carrier communication system and receiver thereof |
06/01/2005 | EP1536574A2 Method to increase performance of secondary data in a hierachical modulation scheme |
06/01/2005 | EP1536566A1 Electronic circuit for decoding of an asynchronous biphase signal, corresponding method and corresponding control device. |
06/01/2005 | EP1535466A1 Apparatus and method for recovery symbol timing in the ofdm system |
06/01/2005 | EP1535440A1 Embedded keying |
06/01/2005 | EP1535439A1 Noise bqlqnced qam detection |
06/01/2005 | EP1535438A1 Detecting a carrier signal by using a power averaging circuit |
06/01/2005 | EP1535437A1 Background updates for database information on a mobile device |
06/01/2005 | EP1535436A2 A method and device for detecting the presence of a carrier signal transmitted in the reverse rf path |
06/01/2005 | EP1535390A2 Trimming of a two point phase modulator |
06/01/2005 | EP1142244B1 Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols |
06/01/2005 | CN1623290A Communication device used in CDMA |
06/01/2005 | CN1623275A Distortion compensator |
06/01/2005 | CN1622653A Apparatus and method for frequency estimation of TD-SCDMA system downlink |
06/01/2005 | CN1622623A Method and apparatus for searching next signal frame synchronous character in digital coding signal |
06/01/2005 | CN1622606A Digital E8-VSB reception system and E8-VSB data demultiplexing method |
06/01/2005 | CN1622540A Method and apparatus for frequency estimation using iterative filtering in a GSM communications system |
06/01/2005 | CN1204778C Methdo for synchronizing reference frequency in cellular mobile system |
06/01/2005 | CN1204769C Equipment and method for base staion in OFDM base spread spectrum multiple access wireless system |
06/01/2005 | CN1204750C Method for collecting data transmitted on transmission channel |
06/01/2005 | CN1204746C Single carrier transmitter inserting field synchronizing information into fields, and method thereof |
06/01/2005 | CN1204721C Fast time delay optimization method of time domain equalizing training in discrete multisound system |
06/01/2005 | CN1204702C VDSL initializing method containing tone space regulation |
05/31/2005 | US6901548 Coding apparatus, coding method and recording medium having coded program recorded therein, and decoding apparatus, decoding method and recording medium having decoded program recorded therein |
05/31/2005 | US6901246 Suppressed cycle based carrier modulation using amplitude modulation |
05/31/2005 | US6901242 System and method for mitigating intermittent interruptions in an audio radio broadcast system |
05/31/2005 | US6901125 Method for error compensation in an OFDM system with diversity |
05/31/2005 | US6901120 Method and apparatus for iterative parameter estimation |
05/31/2005 | US6901114 Transmitter and method of generating a transmission signal |
05/31/2005 | US6901112 Ultra wide bandwidth spread-spectrum communications system |
05/31/2005 | US6901106 Delay lock code tracking loop employing multiple timing references |
05/31/2005 | US6901059 Low noise hybrid circuit for communications systems using time division multiplexing |
05/26/2005 | WO2005048552A1 Methods and apparatuses for dc offset estimation in ofdm systems |
05/26/2005 | WO2005048551A1 Blind modulation detection |
05/26/2005 | WO2005048548A2 Digital data receiver for edge cellular standard |
05/26/2005 | WO2005048547A1 Tx line driver with common mode idle state and selectable slew rates |
05/26/2005 | WO2005048546A2 Channel estimation by adaptive interpolation |
05/26/2005 | WO2005048485A1 Space division multiplex wireless communication system, device and method for the same |
05/26/2005 | WO2005048468A2 Wireless communication method and apparatus for performing post-detection constellation correction |
05/26/2005 | WO2005048462A2 System and method for an improved quadrature upconverter for i/q modulation using intermediate frequency carriers |
05/26/2005 | WO2005011144A3 Method and device for estimating a propagation channel of a multicarrier signal |
05/26/2005 | WO2003007470A8 Harmonic mixer |
05/26/2005 | US20050114748 Variable modulation with LDPC (low density parity check) coding |
05/26/2005 | US20050114744 Data communication device and data communication method |
05/26/2005 | US20050114426 Filtering, equalization, and power estimation for enabling higher speed signal transmission |
05/26/2005 | US20050113101 Configurable spectral mask for use in a high data throughput wireless communication |
05/26/2005 | US20050113061 Method and system for establishing a telephony data connection to receiver |
05/26/2005 | US20050113043 Method and device for digital-to-RF conversion |
05/26/2005 | US20050113040 Method to minimize compatibility error in hierarchical modulation using variable phase |
05/26/2005 | US20050113033 Method and apparatus for frequency estimation using iterative filtering in a GSM communications system |
05/26/2005 | US20050113031 Systems and methods for a wireless network connection point locator |
05/26/2005 | US20050113026 Frame format for high data throughput wireless local area network transmissions |
05/26/2005 | US20050111850 Optical transmission system for frequency-multiplexed signal |
05/26/2005 | US20050111603 Process for providing a pilot aided phase synchronization of carrier |
05/26/2005 | US20050111601 Apparatus and method for synchronizing a circuit during reception of a modulated signal |
05/26/2005 | US20050111600 Orthogonal frequency division multiplexing (OFDM) receiver, OFDM receiving circuit and OFDM diversity reception method |
05/26/2005 | US20050111595 Portable radio terminal and AFC control method |
05/26/2005 | US20050111594 Timing-error estimation in a digital modem |
05/26/2005 | US20050111590 Multi-layer differential phase shift keying with bit-interleaved coded modulation and OFDM |
05/26/2005 | US20050111586 Digital E8-VSB reception system and E8-VSB data demultiplexing method |
05/26/2005 | US20050111582 Digital modulation circuit and method as well as digital demodulation circuit and method |
05/26/2005 | US20050111581 Method to inject hierarchical data onto single carrier stream |
05/26/2005 | US20050111580 Method to minimize compatibility error in hierarchical modulation |
05/26/2005 | US20050111579 Method to increase performance of secondary data in a hierarchical modulation scheme |
05/26/2005 | US20050111578 Frequency modulator for digital transmissions |
05/26/2005 | US20050111577 Method for residual carrier suppression in an arrangement which has a vector modulator |
05/26/2005 | US20050111576 Peak-to-average reduction technique for multi-carrier power amplifiers |
05/26/2005 | US20050111574 Transmission device with digital predistortion, and method for regulating predistortion in a transmission device |
05/26/2005 | US20050111573 RF transmitter using digital-to-RF conversion |
05/26/2005 | US20050111572 Data transmission system and data transmission apparatus |
05/26/2005 | US20050111568 Transmitting method and transmitting apparatus |
05/26/2005 | US20050111567 Adaptive data transmitter having rewriteable non-volatile storage |
05/26/2005 | US20050111566 Wireless communication apparatus and method for multiple transmit and receive antenna system using multiple codes |
05/26/2005 | US20050111565 Hierarchical trellis coded modulation |
05/26/2005 | US20050111564 Nonsystematic repeat-accumulate codes for encoding and decoding information in a communication system |
05/26/2005 | US20050111563 De-mapping method for wireless communications systems |
05/26/2005 | US20050111561 Reliable multicarrier communication in the presence of periodic impulsive interference |
05/26/2005 | US20050111539 Equalization method and apparatus using the same |
05/26/2005 | US20050111535 Carrier grouping in multi-carrier systems |
05/26/2005 | US20050111534 Method and system for selecting an optimal asymmetric digital subscriber line mode |
05/26/2005 | US20050111530 Communication receiver |
05/26/2005 | US20050111529 Tone detection using a cdma receiver |
05/26/2005 | US20050111525 Method and apparatus for estimating DC offset in an orthogonal frequency division multiplexing system |
05/26/2005 | US20050111522 Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system |
05/26/2005 | US20050111492 Channel estimation apparatus and method for adaptive channel allocation in an orthogonal frequency division multiple access system |
05/26/2005 | US20050111449 High data throughput wireless local area network receiver |
05/26/2005 | US20050111424 Apparatus of transmitter and receiver for MIMO MC-CDMA system |