| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 01/20/2005 | WO2005006699A1 Methods and apparatus for backwards compatible communication in a multiple antenna communication system using fdm-based preamble structures |
| 01/20/2005 | WO2005006698A1 Subcarrier puncturing in communication systems |
| 01/20/2005 | WO2005006697A1 Method and apparatus for coarse and fine frequency and timing synchronisation |
| 01/20/2005 | WO2005006696A1 Apparatus and method for providing a multi-carrier signal to be transmitted and apparatus and method for providing an output signal from a received multi-carrier signal |
| 01/20/2005 | WO2005006695A1 Digital broadcast receiving apparatus and receiving method |
| 01/20/2005 | WO2005006694A1 Timing extraction device and method, and demodulation device using the timing extraction device |
| 01/20/2005 | WO2005006693A1 Bpsk modulation with reduced envelope peaks |
| 01/20/2005 | WO2005006690A1 System, method and computer program product for demodulating quadrature amplitude modulated signals based upon a speed of a receiver |
| 01/20/2005 | WO2005006638A2 Wireless lan compatible multi-input multi-output system |
| 01/20/2005 | WO2005006622A1 Multi-carrier transmitter apparatus, multi-carrier receiver apparatus, and multi-carrier communication method |
| 01/20/2005 | WO2005006619A1 Apparatus, and associated method, for communication system exhibiting time-varying communication conditions |
| 01/20/2005 | WO2005006618A1 Multi-carrier transmission method, device, and system |
| 01/20/2005 | WO2005006588A2 Methods and apparatus for backwards compatible communication in a multiple input multiple output communication system with lower order receivers |
| 01/20/2005 | WO2005006574A2 Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication |
| 01/20/2005 | WO2004105326A3 Time-triggered communication system and method for the synchronized start of a dual-channel network |
| 01/20/2005 | WO2004102917A3 Fast calibration of electronic components |
| 01/20/2005 | WO2004068705A8 Preamplifier circuit, clock switch circuit, and optical receiver using the same |
| 01/20/2005 | WO2004062118B1 An enhanced ofdm by use of alternating polarization states |
| 01/20/2005 | WO2004004193A3 Improving hierarchical 8psk performance |
| 01/20/2005 | US20050014479 Apparatus and method for frequency generation in mobile communication system |
| 01/20/2005 | US20050014476 Semiconductor integrated circuit for communication |
| 01/20/2005 | US20050014475 Device for compensating for a mismatch of a transmitter and a method of compensating for the mismatch |
| 01/20/2005 | US20050014464 Method and system for wireless communication networks using relaying |
| 01/20/2005 | US20050013431 Digital subscriber line communicating system |
| 01/20/2005 | US20050013390 Hybrid UWB receiver with matched filters and pulse correlator |
| 01/20/2005 | US20050013389 Wireless data communication demodulation device and demodulation method |
| 01/20/2005 | US20050013387 UWB (Ultra Wide Band) interference mitigation |
| 01/20/2005 | US20050013386 Multi-band single-carrier modulation |
| 01/20/2005 | US20050013385 Carrier suppression type modulator with encoded modulating signals |
| 01/20/2005 | US20050013384 Predistortion modulator |
| 01/20/2005 | US20050013383 OFDM communication apparatus |
| 01/20/2005 | US20050013382 Digital subscriber line communicating system |
| 01/20/2005 | US20050013381 Apparatus and method for transmitting/receiving preamble sequence in orthogonal frequency division multiplexing communication system using plurality of transmission antennas |
| 01/20/2005 | US20050013380 Digital broadcasting transmission/reception capable of improving a receiving performance and a signal processing method thereof |
| 01/20/2005 | US20050013379 Technique for improving multiple-channel multi-tone transmissions |
| 01/20/2005 | US20050013344 Wideband quadrature generation technique requiring only narrowband components and method thereof |
| 01/20/2005 | US20050013279 Apparatus and method for assigning subchannels in an OFDMA communication system |
| 01/20/2005 | US20050013266 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 01/20/2005 | US20050013238 OFDM frame formatting |
| 01/20/2005 | US20050012544 Non-coherent FSK demodulator |
| 01/20/2005 | US20050012528 Synthesizer |
| 01/20/2005 | DE202004016686U1 QAM-Modulator QAM modulator |
| 01/20/2005 | DE10328341A1 Correction factor calculation method e.g. for path weights in RAKE receiver, involves computing path weight for data signal transmitted over regulated data channel using channel estimated results on basis of common pilot channel |
| 01/20/2005 | DE10328340A1 Verfahren und Vorrichtung zur Berechnung von Pfadgewichten in einem Rake-Empfänger Method and apparatus for calculation of path weights in a rake receiver |
| 01/20/2005 | DE10325835A1 Modeling optimized model-filter in crest-factor reduction circuit of multi-carrier data transmission system, using approximation to determine filter coefficients using window in which impulse response has highest energy |
| 01/20/2005 | DE10325834A1 Crest-factor reducing method for transmitted data symbol in multi-carrier data transmission system, by shifting Direct-type function to position of maximum of time function |
| 01/20/2005 | DE10325833A1 Crest factor reduction method e.g. for multi carrier transmission, involves reducing data symbol in multi-carrier data communication system, which can be sent as function of multiplicity of given time interval of intended signals |
| 01/20/2005 | CA2530021A1 Apparatus, and associated method, for communication system exhibiting time-varying communication conditions |
| 01/19/2005 | EP1499083A2 TFI-OFDM transmission/reception systems for UWB communication and methods thereof for mitigating interference from simultaneously operating piconets |
| 01/19/2005 | EP1499082A2 Data allocation and latency control |
| 01/19/2005 | EP1499081A2 Multicarrier signal structure |
| 01/19/2005 | EP1499059A1 Method and device for determining the link quality in an OFDM network |
| 01/19/2005 | EP1499052A1 Receiver and its receiving method |
| 01/19/2005 | EP1499035A2 Methods for determining the gains of different carriers, radio transmission units and modules for such units |
| 01/19/2005 | EP1499031A2 Method for ultra wideband communication using frequency band modulation, and system for the same |
| 01/19/2005 | EP1499030A2 Wideband quadrature generation technique requiring only narrowband components and method thereof |
| 01/19/2005 | EP1499029A2 Multimode wireless communication system |
| 01/19/2005 | EP1497977A2 Channel aquisition processing for a television receiver |
| 01/19/2005 | EP1497962A1 Method and device for pulse shaping qpsk signals |
| 01/19/2005 | EP1497946A1 Symbol timing search algorithm |
| 01/19/2005 | EP1497942A1 An adaptive air interface waveform |
| 01/19/2005 | EP1497916A1 Decision feedback equalizer |
| 01/19/2005 | EP1260073B1 Method and apparatus for buffering data samples in a software based adsl modem |
| 01/19/2005 | EP1232621B1 Center of gravity control for hierarchical qam transmission systems |
| 01/19/2005 | EP1142246B1 Receiver and method for avoiding intersymbol interference in a high speed transmission system |
| 01/19/2005 | CN1568629A Method for enabling subscriber entity to actively communicate in a communication network |
| 01/19/2005 | CN1568608A Multirate digital transceiver |
| 01/19/2005 | CN1568599A Methods and apparatus for identifying asset location in communication networks |
| 01/19/2005 | CN1568594A OFDM receiving apparatus and OFDM signal correction method |
| 01/19/2005 | CN1568593A Multi-carrier transmission apparatus and multi-carrier transmission method |
| 01/19/2005 | CN1568591A Method for reducing the out-of -band emission in am transmitters for digital transmission |
| 01/19/2005 | CN1568586A Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion |
| 01/19/2005 | CN1568580A Direct transformation receiver |
| 01/19/2005 | CN1568578A Radio transmission device and radio transmission method |
| 01/19/2005 | CN1568478A Amplifier modulation |
| 01/19/2005 | CN1568040A Implementing method of multicarrier sending-receiving service for time division duplexing mode mobile communication system |
| 01/19/2005 | CN1567911A Filtering apparatus and method for saving memory space in eight-phased phase-shift keying device |
| 01/19/2005 | CN1567910A Waveform distortion correction circuit for cascade digital communication equipment and correction method thereof |
| 01/19/2005 | CN1567881A Frequency displacement compensation estimating system for WLAN and method thereof |
| 01/19/2005 | CN1567859A A method of access authentication for WLAN |
| 01/19/2005 | CN1567772A Multi-carrier frequency receiver of WCDMA system |
| 01/19/2005 | CN1567770A Multi-mode and multi-carrier radio-frequency receiver |
| 01/19/2005 | CN1567765A New pilot frequency transmitting and allocating method of OFDMA system |
| 01/19/2005 | CN1567764A New sub-channel generating and allocating method of multi-user OFDMA system |
| 01/19/2005 | CN1567763A Method and apparatus for reducing peak-to-average ratio of OFDM system using pilot frequency symbol sequence |
| 01/19/2005 | CN1567762A A channel estimation method adapted for OFDMA system |
| 01/19/2005 | CN1567761A Method for combing mixed automatic retransmission requests in OFDM system |
| 01/19/2005 | CN1567759A A feedback information transmission method of adaptive OFDM system |
| 01/19/2005 | CN1567758A Self-adaptive modulating and coding method and device based on channel information second order statistics |
| 01/19/2005 | CN1185866C 电视接收机 TV receiver |
| 01/19/2005 | CN1185840C Method and apparatus for buffering data samples in a software based ADSL MODEM |
| 01/19/2005 | CN1185839C Offset correction method and system in spread spectrum communication system |
| 01/19/2005 | CN1185822C Decoding technique for tail biting codes |
| 01/19/2005 | CN1185816C Clock signal reproducing circuit and method |
| 01/19/2005 | CN1185815C System and method for mitigating intermittent interruptions in audio radio broadcasting system, transmitter, receiver, and receiving method |
| 01/19/2005 | CN1185785C 信号处理 Signal Processing |
| 01/18/2005 | US6845133 Method and device for processing signals of a digital transmission system |
| 01/18/2005 | US6845125 xDSL transceiver |
| 01/18/2005 | US6845103 Apparatus and method for controlling initialization of a DMT system |
| 01/18/2005 | US6845085 Synchronization method for a processing communication satellite |