| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 01/26/2006 | US20060018279 Frame structures for a wireless communication system with multiple radio technologies |
| 01/26/2006 | US20060018269 Transmission of overhead information for broadcast and multicast services in a wireless communication system |
| 01/26/2006 | US20060018258 Method of optimizing portions of a frame |
| 01/26/2006 | US20060018251 Apparatus and method for transmitting/receiving pilot signals in a communication system using an orthogonal frequency division multiplexing scheme |
| 01/26/2006 | US20060017498 Digital phase locked loop |
| 01/26/2006 | DE10342583B4 Verfahren zur Trägerrestbestimmung in einer einen Vektormodulator umfassenden Anordnung A method for determining residual carrier in a vector modulator arrangement comprising |
| 01/26/2006 | DE102004051596B3 Polarmodulator und Verfahren zum Bestimmen eines Amplitudenoffsets in einem Polarmodulator Polar modulator and method for determining an amplitude offset in a polar modulator |
| 01/26/2006 | DE102004031671A1 Modulator circuit imposes data signal between two adjacent edges of square wave carrier signal on constant voltage plateau, by phase shift keying |
| 01/26/2006 | DE10116747B4 Schaltungsanordnung zur Demodulation einer durch Wechsel der Amplitude zwischen einem niedrigen und einem hohen Pegel (ASK-) modulierten Spannung Circuit arrangement for demodulating a by changing the amplitude between a low and a high level (ASK) modulated voltage |
| 01/26/2006 | CA2742640A1 Signal acquisition in a wireless communication system |
| 01/26/2006 | CA2574080A1 Iterative channel and interference estimation with dedicated pilot tones for ofdma |
| 01/26/2006 | CA2571105A1 Time synchronization using spectral estimation in a communication system |
| 01/26/2006 | CA2570748A1 Signal acquisition in a wireless communication system |
| 01/25/2006 | EP1619920A1 Information transmission method with reduced identification data size |
| 01/25/2006 | EP1619919A1 Information transmission method with reduced identification data size |
| 01/25/2006 | EP1619848A1 Radio frequency transmitter and method of operating a radio frequency transmitter |
| 01/25/2006 | EP1619847A2 Method and apparatus for generating pilot signals in a MIMO system |
| 01/25/2006 | EP1619846A1 Method for estimating the frequency offset in a communication system over a Rayleigh fading channel |
| 01/25/2006 | EP1619817A2 Mimo wlan system |
| 01/25/2006 | EP1619801A1 Coding apparatus and coding method |
| 01/25/2006 | EP1619800A1 Method and apparatus for space interleaved communication in a multiple antenna communication system |
| 01/25/2006 | EP1618715A1 Method of demodulating ofdm-type signals in the presence of strong co-channel interference signals |
| 01/25/2006 | EP1618714A1 Method and apparatus for processing multiple common frequency signals through a single cable using circulators |
| 01/25/2006 | EP1618696A1 Frequency synchronization apparatus and frequency synchronization method |
| 01/25/2006 | EP1618687A2 Rate adaptive data broadcast technique |
| 01/25/2006 | EP1618678A1 Signal transmitting method in mobile communication system |
| 01/25/2006 | EP1537711B1 Preamble for estimation and equalisation of asymmetries between in phase and quadrature branches in multi-carrier transmission systems |
| 01/25/2006 | EP1405427A4 System and method for post filtering peak power reduction in communications systems |
| 01/25/2006 | EP1226652A4 Ultra wide band base band receiver |
| 01/25/2006 | CN1726685A Adaptive synchronization scheme |
| 01/25/2006 | CN1726684A Signal processing method and apparatus using bit confidence values |
| 01/25/2006 | CN1726681A Wireless network adapted to transmit channel side information and method therefor |
| 01/25/2006 | CN1726667A Radio communication apparatus and radio transmission method |
| 01/25/2006 | CN1726665A Method and receiving unit for demodulating a multi-path signal |
| 01/25/2006 | CN1726652A Adaptive receiver and corresponding method |
| 01/25/2006 | CN1725815A Intelligent antenna control system for digital TV receiving |
| 01/25/2006 | CN1725749A Communication system with very-high frequency and ultrahigh frequency band high frequency band availability |
| 01/25/2006 | CN1725748A Mehtod and equipment for measuring error of digital signal carrier frequency |
| 01/25/2006 | CN1725747A Method and apparatus of detecting ISI/ICSI in an OFDM system |
| 01/25/2006 | CN1725746A Method and apparatus of detecting ISI/ICSI in an OFDM system |
| 01/25/2006 | CN1725745A Radio frequency transmitter and method of operating a radio frequency transmitter |
| 01/25/2006 | CN1725744A Method and system of adaptive demodulation suitable for GSM/EDGE system |
| 01/25/2006 | CN1239000C Direct conversion demodulator with automatic gain control function |
| 01/25/2006 | CN1238982C System information band spreading transmission method for digital surface broadcast |
| 01/25/2006 | CN1238973C Shortwave demodulator circuit of single side-band receiver |
| 01/24/2006 | US6990627 Digital radio communication system for communicating M-ary modulated error detection units |
| 01/24/2006 | US6990318 Multi-carrier communication apparatus |
| 01/24/2006 | US6990157 All-digital FSK demodulation with selectable data rate and adjustable resolution |
| 01/24/2006 | US6990156 Frequency offset estimation for communication systems method and device for inter symbol interference |
| 01/24/2006 | US6990155 Wireless quadrature modulator transmitter using E/O and O/E connectives |
| 01/24/2006 | US6990154 Using an IF synthesizer to provide raster component of frequency channel spacing |
| 01/24/2006 | US6990142 Process and device for estimating the impulse response of an information transmission channel, in particular for a cellular mobile telephone |
| 01/24/2006 | US6990137 System and method for received signal prediction in wireless communications systems |
| 01/24/2006 | US6990062 Reduced complexity DMT/OFDM transceiver |
| 01/24/2006 | US6990061 Method and apparatus for channel estimation |
| 01/24/2006 | US6989710 Binary frequency-shift keying demodulator and frequency-to-voltage converter |
| 01/24/2006 | CA2376321C Maintenance power control for a subscriber unit |
| 01/24/2006 | CA2235330C Method for transmitting digital data via noise-encumbered radio channels and device for receiving digital data transmitted via noise-encumbered radio channels |
| 01/19/2006 | WO2006007299A1 Multiple input multiple output multicarrier communication system and methods with quantized bemforming feedback |
| 01/19/2006 | WO2005117383A8 Method for optimizing the distribution of transmission power between sub-channels for frequential multiplexing transmission |
| 01/19/2006 | WO2005077086A3 System and method for transmitting data via wave reflection |
| 01/19/2006 | WO2005043927A3 Method for modulation detection |
| 01/19/2006 | US20060014494 Methods and apparatus for synchronization of training sequences |
| 01/19/2006 | US20060013346 Modular device for multiple reception of a modulated signal |
| 01/19/2006 | US20060013345 Oscillator frequency control |
| 01/19/2006 | US20060013344 Method and system for maximum likelihood detection |
| 01/19/2006 | US20060013340 Multiple hypothesis channel estimation and prediction for OFDM systems |
| 01/19/2006 | US20060013339 Diferrential decoder followed by non-linear compensator |
| 01/19/2006 | US20060013338 Incremental pilot insertion for channnel and interference estimation |
| 01/19/2006 | US20060013336 Frequency estimation method and system |
| 01/19/2006 | US20060013335 Multi-connection, non-simultaneous frequency diversity in radio communication systems |
| 01/19/2006 | US20060013332 Method of sending information using superresolution to didtinguish overlapping symbols |
| 01/19/2006 | US20060013327 Apparatus for antenna diversity using joint maximal ratio combining |
| 01/19/2006 | US20060013326 Propagation path estimation method and apparatus |
| 01/19/2006 | US20060013325 Wireless communication system with configurable cyclic prefix length |
| 01/19/2006 | US20060013324 Device for processing signals in a mobile station |
| 01/19/2006 | US20060013323 Methods and devices for dynamic quantizing input of a soft decision decoder |
| 01/19/2006 | US20060013186 Wireless communication system with improved broadcast coverage |
| 01/19/2006 | US20060013182 Selective multicarrier CDMA network |
| 01/19/2006 | US20060013168 Coding and modulation for broadcast and multicast services in a wireless communication system |
| 01/19/2006 | DE10326282B4 Zugangskontrollsystem mit Unterdrückung von Modulationsstörungen Access control system with suppression of interference modulation |
| 01/19/2006 | DE10210236B4 WLAN-Empfänger-Synchronisation Wireless receiver synchronization |
| 01/19/2006 | DE102005030018A1 Method for data transmission in particular in key-less car door opening system, comprising specific signal for transfer from resting into activated stage |
| 01/19/2006 | DE102005007845A1 Verfahren und Vorrichtung zum Steuern eines Sendeleistungsverstärkers Method and device for controlling a transmit power amplifier |
| 01/19/2006 | DE102004029236A1 Verfahren und Vorrichtung zur Reduzierung des dynamischen Bereichs eines Funksignals Method and apparatus for reducing the dynamic range of a radio signal |
| 01/19/2006 | DE10026325B4 Verfahren zur Synchronisation von OFDM-Symbolen bei Rundfunkübertragungen Method for synchronization of OFDM symbols for broadcast transmissions |
| 01/18/2006 | EP1617613A2 OFDM communication devices using pseudo random modulated reference symbols |
| 01/18/2006 | EP1617612A1 Modulation method, modulation apparatus, demodulation apparatus, and radio communication system |
| 01/18/2006 | EP1617610A2 Apparatus and method for transmitting a pilot signal in a BWA communication system using a plurality of transmit antennas |
| 01/18/2006 | EP1617583A1 Radio transmitting/receiving apparatus and radio transmitting/receiving method for estimating noise and interference power in ratio transmission using code spread |
| 01/18/2006 | EP1617582A1 Multi-carrier communication apparatus |
| 01/18/2006 | EP1617569A2 Method for transmission of digital information signals with a plurality of antennas |
| 01/18/2006 | EP1617338A1 System and method for run-time reconfiguration |
| 01/18/2006 | EP1616424A1 Wideband multi-channel quadrature amplitude modulation of cable television signals |
| 01/18/2006 | EP1616423A1 Radiotelephony network with multi-carrier packet data transmission |
| 01/18/2006 | EP1616422A1 Pulse detection in wireless communications system |
| 01/18/2006 | EP1616392A2 System and method for transmitting ultrawide bandwidth signals |
| 01/18/2006 | EP1229678B1 Base station apparatus, communication terminal apparatus and communication method |
| 01/18/2006 | EP0985304B1 Carrier recovery in dab recievers |
| 01/18/2006 | CN1723670A AGC circuit arrangement for a tuner |