| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 01/18/2005 | US6845083 Multi-standard transmitter system and method for a wireless communication system |
| 01/18/2005 | US6845082 Peak to average power ratio reduction in communication systems |
| 01/18/2005 | US6844787 Method and apparatus for re-modulation using zero IF |
| 01/18/2005 | US6844740 Measuring a signal using a programmable gain amplifier |
| 01/18/2005 | US6844715 Synthetic RF detection system and method |
| 01/18/2005 | US6843597 Method and apparatus of a fast two-loop automatic gain control circuit |
| 01/18/2005 | CA2269055C Method for the transmission of digital signals |
| 01/13/2005 | WO2005004430A1 Method and system for m -qam detection in communication systems |
| 01/13/2005 | WO2005004429A1 Method and apparatus for improving multi-tone transmission in a multiple-channel system |
| 01/13/2005 | WO2005004428A1 Adaptive guard intervals in ofdm systems |
| 01/13/2005 | WO2005004427A1 Method for estimating a carrier leak, an estimator and modulation system provided with automatic control of a carrier using said system |
| 01/13/2005 | WO2005004426A1 Transmitter and method for digital multi-carrier transmission using wavelets |
| 01/13/2005 | WO2005004425A1 Method and apparatus for the wavelet transform modulation of a digital signal |
| 01/13/2005 | WO2005004424A2 An apparatus and method for code modulating digital signal |
| 01/13/2005 | WO2005004423A1 System, method and computer program product for demodulating quadrature amplitude modulated signals |
| 01/13/2005 | WO2005004379A1 Pattern sequence synchronization |
| 01/13/2005 | WO2005004371A2 Signal constellations for multi-carrier systems |
| 01/13/2005 | WO2005004367A2 Communication apparatus and communication method |
| 01/13/2005 | WO2005004362A1 Multi-carrier communication device and feedback information communication method |
| 01/13/2005 | WO2005004361A1 Multi-carrier radio transmission system, transmission device, and reception device |
| 01/13/2005 | WO2005004351A1 Virtual mimo transmitters, receivers, systems and methods |
| 01/13/2005 | WO2005004346A1 Wireless telephone with spectral spread in sampled voice |
| 01/13/2005 | WO2004077709A3 Method and apparatus for reducing interference within a communication system |
| 01/13/2005 | US20050010958 Upstream only linecard with front end multiplexer for CMTS |
| 01/13/2005 | US20050010945 Broadcasting signal receiver apparatus provided with controller for controlling demodulation mode, and apparatus for controlling demodulation mode |
| 01/13/2005 | US20050009489 Radio receiver and radio signal processing method |
| 01/13/2005 | US20050009488 Optimal initial gain selection for wireless receiver |
| 01/13/2005 | US20050009477 System and method for an upconverter for stacked intermediate frequency carriers |
| 01/13/2005 | US20050009476 Virtual MIMO transmitters, receivers, systems and methods |
| 01/13/2005 | US20050008108 Frequency offset detector for afc under rayleigh fading |
| 01/13/2005 | US20050008107 Receiver for correcting frequency dependent I/Q phase error |
| 01/13/2005 | US20050008101 Computationally efficient demodulation for differential phase shift keying |
| 01/13/2005 | US20050008100 Carrier to noise ratio estimations from a received signal |
| 01/13/2005 | US20050008099 PAM-4 data slicer having symmetrical offset |
| 01/13/2005 | US20050008094 Method and circuit for crest factor reduction |
| 01/13/2005 | US20050008093 Modulation circuit device, modulation method and radio communication device |
| 01/13/2005 | US20050008088 Symbol boundary detection device and method for use in OFDM system |
| 01/13/2005 | US20050008087 Tri-state integer cycle modulation |
| 01/13/2005 | US20050008086 Receiver and method for digital multi carrier transmission |
| 01/13/2005 | US20050008085 Transmitting and receiving apparatus and method in an Orthogonal Frequency Division Multiplexing system using an insufficient cyclic prefix |
| 01/13/2005 | US20050008083 Digital subscriber line communicating system |
| 01/13/2005 | US20050008082 Digital subscriber line communicating system |
| 01/13/2005 | US20050008081 Modulation device, demodulation device, modulation/demodulation system, modulation method, demodulation method, modulation program and computer readable recording containing the modulation program demodulation program and computer- readable recording medium containing the demodulation program |
| 01/13/2005 | US20050008064 Qualification and selection of the frequency channels for an adaptive frequency hopping method by means of field strength measurement |
| 01/13/2005 | US20050008034 Alternative frequency strategy for DRM |
| 01/13/2005 | US20050008002 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telphones |
| 01/13/2005 | US20050007983 System and method for channel estimation in an OFDM mobile communication system |
| 01/13/2005 | US20050007982 Multicarrier transmission apparatus and multicarrier transmission method |
| 01/13/2005 | US20050007977 Configuration of overhead channels in a mixed bandwidth system |
| 01/13/2005 | US20050007948 Hybrid automatic repeat request combining method in orthogonal frequency division multiplexing system |
| 01/13/2005 | US20050007947 Reception method and reception device estimating reception quality and communication system using the reception device |
| 01/13/2005 | US20050007946 Multi-carrier transmission |
| 01/13/2005 | US20050007447 Modulation compression method for the radio frequency transmission of high speed data |
| 01/13/2005 | US20050007214 ADSL filter |
| 01/13/2005 | DE10326760A1 Crest factor reduction method for use in multi-carrier data transfer systems, e.g. ADSL, whereby a standardized PSD mask is used and a correction signal is used for crest factor reduction |
| 01/13/2005 | DE10325839A1 Verfahren und Schaltung zur Crestfaktor-Reduzierung Method and circuit for crest factor reduction |
| 01/13/2005 | DE10325838A1 Verfahren und Schaltung zur Crestfaktor-Reduzierung Method and circuit for crest factor reduction |
| 01/13/2005 | DE10325836A1 Verfahren zur Crestfaktor-Reduzierung Method for crest factor reduction |
| 01/13/2005 | CA2532163A1 Method for estimating a carrier leak, an estimator and modulation system provided with automatic control of a carrier using said system |
| 01/13/2005 | CA2530513A1 Wireless telephone with spectral spread in sampled voice |
| 01/12/2005 | EP1496659A1 Transmitting and receiving apparatus and method in an orthogonal frequency division multiplexing system using an insufficient cyclic prefix |
| 01/12/2005 | EP1496658A1 System and method for channel estimation in an OFDM mobile communication system |
| 01/12/2005 | EP1496639A2 Hybrid automatic repeat request combining method and system in orthogonal frequency division multiplexing system |
| 01/12/2005 | EP1496633A1 Multi-carrier communication device and multi-carrier communication method |
| 01/12/2005 | EP1496632A1 Radio transmitter apparatus, radio receiver apparatus, and method thereof |
| 01/12/2005 | EP1495609A1 Method for retrieving information transmitted with a signal over a signal channel and corresponding signal processing apparatus |
| 01/12/2005 | EP1495572A2 Hdtv trellis decoder architecture |
| 01/12/2005 | EP1495570A1 Method and communication device using adaptive space-time encoding, modulation and error coding |
| 01/12/2005 | EP1495550A1 Path searcher using reconfigurable correlator sets |
| 01/12/2005 | EP1495543A1 Apparatus and method for symbol timing recovery |
| 01/12/2005 | EP1495537A1 Equalizer status monitor |
| 01/12/2005 | EP1442563A4 Method and system for dsl power saving |
| 01/12/2005 | EP1415391B1 Circuit arrangement for the regulation of a direct component of a signal and mobile radio transmitter |
| 01/12/2005 | EP1266470A4 Method and apparatus for mobile platform reception and synchronization in direct digital satellite broadcast system |
| 01/12/2005 | EP1154660B1 Rendering multicast service with sufficient reception quality to wireless terminals |
| 01/12/2005 | EP0966819B1 Phase-locked loop with continuously adjustable bandwith |
| 01/12/2005 | EP0795239B9 Method for synchronization of transmitter and receiver in mobile radio systems |
| 01/12/2005 | EP0727116B1 Variable rate signal transmission in a spread spectrum communication system using coset coding |
| 01/12/2005 | CN1565114A Method and arrangement for limiting signal in radio transmitter |
| 01/12/2005 | CN1565099A Channel estimation in a multi carrier transmit diversity system |
| 01/12/2005 | CN1564556A Lattice shaped decoding demodulator and demodulation method based on circulating prefix single carrier system |
| 01/12/2005 | CN1564555A Processing method of protecting interval for modem procedue |
| 01/12/2005 | CN1564541A Communication system and communication control apparatus and method |
| 01/12/2005 | CN1564500A Detector and method for continuous phase position sequence |
| 01/12/2005 | CN1564494A Self-adaptive beam shaping method of beam space orthogonal FDM medulating system |
| 01/12/2005 | CN1184824C Phase correcting circuit and signal juding circuit |
| 01/12/2005 | CN1184785C Method for transmitting diversity in orthogonal multiple carrier wave system |
| 01/12/2005 | CN1184784C Carrier tracking loop for direct sequence spread spectrum systems |
| 01/11/2005 | US6842745 Programmable chaos generator and process for use thereof |
| 01/11/2005 | US6842495 Dual mode QAM/VSB receiver |
| 01/11/2005 | US6842492 Method and apparatus for peak-to-average signal reduction for radio frequency transmitters |
| 01/11/2005 | US6842491 Multi-channel parallel/serial concatenated convolutional codes and trellis coded modulation encoder/decoder |
| 01/11/2005 | US6842489 Coherent adaptive calibration system and method |
| 01/11/2005 | US6842488 VSB/QAM receiver and method |
| 01/11/2005 | US6842487 Cyclic delay diversity for mitigating intersymbol interference in OFDM systems |
| 01/11/2005 | US6842440 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 01/11/2005 | US6842421 Method and apparatus for post-detection maximum ratio combining with antenna diversity in an orthogonal frequency division multiplexing (OFDM) communication system |
| 01/11/2005 | CA2341917C Method and apparatus for packet size dependent link adaptation for wireless packet |
| 01/06/2005 | WO2005002274A1 Code channel management in a wireless communications system |
| 01/06/2005 | WO2005002164A1 Faster fine timing operation in multi-carrier system |