| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 10/05/2005 | CN1222143C Reduction of peak to average power ratio in multicarrier modulation system and apparatus thereof |
| 10/05/2005 | CN1222142C Method and system for spread-spectrum digital communication by golay complementary sequence modulation |
| 10/05/2005 | CN1222141C Effective bandwidth modulation in communication system |
| 10/05/2005 | CN1222140C Modem and modulation-demodulation method |
| 10/05/2005 | CN1222132C Transmitter and receiver |
| 10/05/2005 | CN1222130C OFDM communication device and wave detecting method |
| 10/05/2005 | CN1222119C Compatible VSB/QAM multipurpose channel balancer |
| 10/04/2005 | US6952570 Wireless communication receiver that determines frequency offset |
| 10/04/2005 | US6952569 Wireless transmitter having a modified translation loop architecture |
| 10/04/2005 | US6952458 Demapping system and method |
| 10/04/2005 | US6952456 Ultra wide band transmitter |
| 10/04/2005 | US6952445 Symbol constellations having second-order statistics with cyclostationary phase |
| 10/04/2005 | US6952442 Activation of multiple xDSL modems with implicit channel probe |
| 10/04/2005 | US6952441 Method to determine a channel characteristic, and discrete wavelet transmitter and receiver to perform the method |
| 10/04/2005 | US6952394 Method for transmitting and receiving orthogonal frequency division multiplexing signal and apparatus therefor |
| 10/04/2005 | US6952128 Polarity insensitive solid state switch |
| 10/04/2005 | CA2337927C Method and apparatus for performing analog mode operations when transmitting audio and data in a wireless tdma system |
| 10/04/2005 | CA2280870C N-port direct receiver |
| 09/29/2005 | WO2005091612A2 Systems and methods for transmitting an increased amount of data over an analog medium |
| 09/29/2005 | WO2005091583A1 Channel equalization |
| 09/29/2005 | WO2005091582A1 System and method for automatically calibrating two-tap and multi-tap equalization for a communications link |
| 09/29/2005 | WO2005091538A1 Peak power suppressor and peak power suppressing method |
| 09/29/2005 | WO2005091526A1 Radio communication device |
| 09/29/2005 | WO2005091492A1 Method and system of reducing collisions in an asynchronous communication system |
| 09/29/2005 | WO2005089304A2 Methods and systems for frequency shift keyed modulation for broadband wideband and ultra wideband communication |
| 09/29/2005 | WO2005062193A3 Apparatus, systems, and methods for data transmission |
| 09/29/2005 | WO2005041571B1 Apparatus and method of on-channel repeater |
| 09/29/2005 | US20050216821 Mapping method for encoded bits using LDPC code, transmitting and receiving apparatuses employing this method, and program for executing this method |
| 09/29/2005 | US20050215251 Uplink pilot and signaling transmission in wireless communication systems |
| 09/29/2005 | US20050215224 Multi-carrier receiving method and apparatus |
| 09/29/2005 | US20050215202 System and method for antenna diversity using equal power joint maximal ratio combining |
| 09/29/2005 | US20050213718 Efficient tone ordering for multitone transmission |
| 09/29/2005 | US20050213714 MIMO dynamic PSD allocation for DSL networks |
| 09/29/2005 | US20050213697 Frequency modulator, frequency modulating method, and wireless circuit |
| 09/29/2005 | US20050213692 Impulse noise reduction to an MCM signal |
| 09/29/2005 | US20050213691 Balancing amplitude and phase |
| 09/29/2005 | US20050213690 Reduced size and power demapper for viterbi decoding |
| 09/29/2005 | US20050213689 Demodulator circuit, radio communication system and communication semiconductor integrated circuit |
| 09/29/2005 | US20050213688 Contactless data carrier with current demodulation |
| 09/29/2005 | US20050213687 Receiving apparatus |
| 09/29/2005 | US20050213686 Reduced complexity transmit spatial waterpouring technique for multiple-input, multiple-output communication systems |
| 09/29/2005 | US20050213685 Distortion compensator |
| 09/29/2005 | US20050213683 Digital modulator employing a polyphase up-converter structure |
| 09/29/2005 | US20050213680 Receiver |
| 09/29/2005 | US20050213679 Receiver |
| 09/29/2005 | US20050213678 Tracking system comprised in an OFDM receiver |
| 09/29/2005 | US20050213676 Periodic DMT signals with cyclic extension |
| 09/29/2005 | US20050213675 Bandwidth-efficient modulation in communication systems |
| 09/29/2005 | US20050213674 Radio communication method and radio communication apparatus using adaptive modulation system |
| 09/29/2005 | US20050213673 Method for demodulating UWB pulse sequences encoded according to an on-off keying modulation scheme |
| 09/29/2005 | US20050213651 Method of, and receiver for, estimating the bit rate of data |
| 09/29/2005 | US20050213650 Minimizing the differential delay in ADSL2 and ADSL2+ to support bonding |
| 09/29/2005 | US20050213648 Symmetric ADSL communication |
| 09/29/2005 | US20050213646 xDSL-line-interface-circuit |
| 09/29/2005 | US20050213645 Method and apparatus for detecting signals, and transmitting apparatus and receiving apparatus using the same |
| 09/29/2005 | US20050213642 Receiving method and receiver with high-precision signal estimation |
| 09/29/2005 | US20050213613 Framing structure allowing flexible allocation of overhead channel |
| 09/29/2005 | US20050213552 Combined frequency-time domain power adaptation for CDMA communication systems |
| 09/29/2005 | US20050213532 Wireless access point power control |
| 09/29/2005 | US20050213405 Power save mode transition using loading translation function |
| 09/29/2005 | US20050212693 Method and apparatus for improving wireless data transmission |
| 09/29/2005 | DE4445823B4 Sendevorrichtung für mobile Satellitenkommunikations-Datenstation Transmitting device for mobile satellite communications terminal |
| 09/29/2005 | DE19781047B4 Filter-Coprozessor und Entzerrer in einem Empfänger eines drahtlosen Kommunikationssystems, bei dem dieser Filter-Coprozessor eingesetzt wird Filter co-processor and equalizer in a receiver of a wireless communication system in which this filter is used coprocessor |
| 09/29/2005 | DE102004012037A1 Sampling rate converter for mobile station of e.g. universal mobile telecommunication system, has filter operated by clock signal and using polyphase number for adjusting scanning rate of input signal based on conversion relationship |
| 09/29/2005 | DE102004010874A1 Verfahren und Vorrichtung zum Ermitteln von Übertragungsparametern Method and apparatus for determining transmission parameters |
| 09/28/2005 | EP1581017A1 Voiceband modem for data communications over digital wireless networks |
| 09/28/2005 | EP1580952A1 Digital IQ-Modulator with numerically controlled frequency oscillator |
| 09/28/2005 | EP1580951A2 Receiver |
| 09/28/2005 | EP1580950A1 Pilot designing method in an uplink ofdma |
| 09/28/2005 | EP1580949A1 Phase and frequency synchronizer for OFDM receivers using a preamble, pilots and information data |
| 09/28/2005 | EP1580948A2 Receiver |
| 09/28/2005 | EP1579706A1 Method and apparatus for tailoring carrier power requirements according to availability in layered modulation systems |
| 09/28/2005 | EP1579668A2 A power line communication system and method of operating the same |
| 09/28/2005 | EP1579649A1 Method and arrangement for filter bank based signal processing |
| 09/28/2005 | EP1579648A1 A fully parallel multi-channel demodulator |
| 09/28/2005 | EP1579647A2 Digital content preview generation and distribution among peer devices |
| 09/28/2005 | EP1579646A2 Apparatus and method for a coding scheme selection |
| 09/28/2005 | EP1579645A1 Apparatus, and associated method, for estimating frequency offset of a data symbol communicated in a communication system |
| 09/28/2005 | EP1579614A2 Frequency hopping method in orthogonal frequency division multiplexing system |
| 09/28/2005 | EP1579610A2 Transmission scheme for multi-carrier mimo systems |
| 09/28/2005 | EP1579609A1 Apparatus, and associated method, for transforming data in an ofdm communication system |
| 09/28/2005 | EP1579596A2 Sub-carriers transmission power control |
| 09/28/2005 | EP1579583A2 Excess delay spread detection method for multi-carrier communication systems |
| 09/28/2005 | EP1579572A1 Peak power limitation in an amplifier pooling scenario |
| 09/28/2005 | EP0847619B1 Circuit arrangement comprising a cartesian amplifier |
| 09/28/2005 | EP0584241B1 Methods and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
| 09/28/2005 | CN2730037Y 载波控制器 Carrier controller |
| 09/28/2005 | CN1675907A Demodulation of a frequency-modulated received signal by means of a viterbi algorithm |
| 09/28/2005 | CN1675906A Joint channel and noise variance estimation in a wideband OFDM system |
| 09/28/2005 | CN1675870A Selection between two different coding schemes and corresponding modulation shemes according to the allowable transmission delay of the data |
| 09/28/2005 | CN1675854A Adaptive antenna radio communication device |
| 09/28/2005 | CN1675853A Diversity transmission modes for MIMO OFDM communication systems |
| 09/28/2005 | CN1674574A Receiving method and apparatus |
| 09/28/2005 | CN1674573A Tracking system comprised in an OFDM receiver |
| 09/28/2005 | CN1674572A Apparatus and method for sub-carrier allocation in orthogonal frequency division multiplexing (OFDM) communication system |
| 09/28/2005 | CN1674571A Method for realizing phase modulation carrier wave based on quadrature modulation used for digital broadcasting (DRM) |
| 09/28/2005 | CN1674570A Short-distance radio network data transmitting method |
| 09/28/2005 | CN1674569A Method and modulation control device for wireless data transmission |
| 09/28/2005 | CN1674568A Receiving apparatus |
| 09/28/2005 | CN1674567A Method and apparatus for detecting signals, and transmitting apparatus and receiving apparatus using the same |