| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 01/21/2004 | CN1470118A Adaptive equaliser |
| 01/21/2004 | CN1470107A Signal strength compensation for mobile radio channels that considerably vary with time |
| 01/21/2004 | CN1469608A Modulating device and method for digital signal coding |
| 01/21/2004 | CN1469562A Information channel balancer for quadrature frequency division multiplexing receiver and method thereof |
| 01/21/2004 | CN1469561A Quadrature frequency division multiplexing receiver with pseudo-random noise generator |
| 01/21/2004 | CN1469552A Data generating method, data generator and transmitter using with the same |
| 01/21/2004 | CN1135864C Signal determination, receiving device and method of signal determination channel state deduction |
| 01/21/2004 | CN1135835C Four-phase shift keying modulated signal receiving assembly |
| 01/21/2004 | CN1135833C 数字广播接收系统 The digital broadcast receiving system |
| 01/21/2004 | CN1135805C Method for suppressing narrow frequency bands |
| 01/21/2004 | CN1135804C IQ modulator and relative method |
| 01/21/2004 | CN1135803C Non-coherent six-port receiver |
| 01/21/2004 | CN1135780C Component timing recovery system for QAM |
| 01/21/2004 | CN1135777C Digital system for allowing subscriber lines with high bit rates |
| 01/21/2004 | CN1135722C A subscriber unit and method for use in a wireless communication system |
| 01/21/2004 | CN1135717C Receiver apparatus and relative method |
| 01/20/2004 | USRE38391 Circuit for detecting word sequences in a modem |
| 01/20/2004 | US6681121 Circuitry for activating a modem in a cellular telephone |
| 01/20/2004 | US6681012 Directional receiver coupling arrangement with frequency selectivity and gain control for DSL |
| 01/20/2004 | US6680985 Adaptive quadrature amplitude modulation decoding system |
| 01/20/2004 | US6680981 π/4 shift QPSK modulator and communication device |
| 01/20/2004 | US6680979 Method and device for communication |
| 01/20/2004 | US6680971 Passband equalizer for a vestigial sideband signal receiver |
| 01/20/2004 | US6680966 Spread-spectrum transmission system with filtered multi-carrier modulation |
| 01/20/2004 | US6680932 Frequency and time synchronization in severe delay spread channels |
| 01/20/2004 | US6680901 OFDM demodulator |
| 01/20/2004 | US6680639 Phase shifting arrangement for generating mutually orthogonal signals |
| 01/20/2004 | CA2262349C Multi-carrier transmission system and method thereof |
| 01/20/2004 | CA2141653C Subcarrier communication system |
| 01/15/2004 | WO2004006528A1 Embedded keying |
| 01/15/2004 | WO2004006527A1 Noise bqlqnced qam detection |
| 01/15/2004 | WO2004006526A1 High bit rate ultra-wideband ofdm |
| 01/15/2004 | WO2004006525A1 Channel estimator and equalizer for ofdm systems |
| 01/15/2004 | WO2004006524A1 Device and method for determining the deviation of the carrier frequency of a mobile radio device from the carrier frequency of a base station |
| 01/15/2004 | WO2004006492A1 Power control of digital subscriber line |
| 01/15/2004 | WO2004006479A1 Apparatus and method for transmitting and receiving side information about selective mapping in an orthogonal frequency division multiplexing communication system |
| 01/15/2004 | WO2004006477A1 Generating training sequences in a communications system |
| 01/15/2004 | WO2004006476A1 Radio receiver |
| 01/15/2004 | WO2004006469A1 Radio communication base station device, radio communication mobile station device, and radio communication method |
| 01/15/2004 | WO2004006464A1 A system and method for adjusting a power level of a transmission signal |
| 01/15/2004 | WO2004006455A1 Method and apparatus for layered modulation |
| 01/15/2004 | WO2004006443A1 Bit-interleaved coded modulation using low density parity check (ldpc) codes |
| 01/15/2004 | WO2004006442A1 Encoding of low-density parity check (ldpc) codes using a structured parity check matrix |
| 01/15/2004 | WO2003098833A3 Apparatus and method of echo-cancellation |
| 01/15/2004 | WO2003034642A3 Synchronisation in multicarrier cdma systems |
| 01/15/2004 | WO2002065662A9 Line interface a matching impedance coupled ro a feedback path |
| 01/15/2004 | US20040009783 Multi-carrier transmission apparatus, multi-carrier reception apparatus, and multi-carrier radio communication method |
| 01/15/2004 | US20040008803 Method and device for channel estimation in digital radio communication systems |
| 01/15/2004 | US20040008802 System and method for pre-FFT OFDM fine synchronization |
| 01/15/2004 | US20040008798 Transmitter for operating multiple devices |
| 01/15/2004 | US20040008797 Method for coding and decoding an information symbol |
| 01/15/2004 | US20040008795 Method and apparatus for reducing ratio of peak power to average power of multi-carrier signals |
| 01/15/2004 | US20040008793 Digital pre-compensation filter for DMT type transmitter |
| 01/15/2004 | US20040008765 Joint adaptive optimization of soft decision device and feedback equalizer |
| 01/15/2004 | US20040008755 FSK demodulator using DLL and a demodulating method |
| 01/15/2004 | US20040008729 Method and apparatus for data transfer using a time division multiple frequency scheme with additional modulation |
| 01/15/2004 | US20040008662 Multi-user carrier frequency offset correction for CDMA systems |
| 01/15/2004 | US20040008618 Modulator, demodulator, and transmission system for use in OFDM transmission |
| 01/15/2004 | US20040008616 Apparatus and method for transmitting and receiving side information about selective mapping in an orthogonal frequency division multiplexing communication system |
| 01/15/2004 | US20040008614 Signal selection systems |
| 01/15/2004 | US20040008286 Matched pulse shaping filter |
| 01/15/2004 | US20040008187 Method for transmitting a high-frequency binary data stream via an electrically isolated communications path |
| 01/15/2004 | DE10228060A1 Verfahren und Schaltungsanordnung zur Übertragung binärer Nutzdaten Method and circuit arrangement for transmitting binary payload |
| 01/15/2004 | DE10129317B4 Verfahren zum Anpassen von Filtereckfrequenzen beim Übertragen von diskreten Mehrfachtonsymbolen A method of adapting filter cut when transferring discrete Mehrfachtonsymbolen |
| 01/15/2004 | CA2492000A1 Apparatus and method for transmitting and receiving side information about selective mapping in an orthogonal frequency division multiplexing communication system |
| 01/15/2004 | CA2491259A1 Method and apparatus for layered modulation |
| 01/15/2004 | CA2457420A1 Bit-interleaved coded modulation using low density parity check (ldpc) codes |
| 01/14/2004 | EP1381196A1 Apparatus and method for transmitting and receiving side information about selective mapping in an orthogonal frequency division multiplexing communication system |
| 01/14/2004 | EP1381195A1 A matched pulse shaping filter |
| 01/14/2004 | EP1381180A1 Communication method and apparatus using a variable modulation scheme |
| 01/14/2004 | EP1380119A1 Bandwidth-efficient wireless network modem |
| 01/14/2004 | EP1380106A1 Tunable matching circuit |
| 01/14/2004 | CN1468486A Multi-carrier communication within a noncontiguous wideband spectrum |
| 01/14/2004 | CN1468485A Constrained-envelope transmitter and method therefor |
| 01/14/2004 | CN1468470A Frequency translator using a cordic phase rotator |
| 01/14/2004 | CN1467998A Method for modulating digital broadcast signal by orthogonal frequency division multiplexing multicarrier and transmitter |
| 01/14/2004 | CN1467997A Method for modulating digital broadcast signal by orthogonal frequency division multiplexing multicarrier and transmitter |
| 01/14/2004 | CN1467996A Single carrier transmitter with field inserted field synchronizing information and method thereof |
| 01/14/2004 | CN1467967A Sine-cosine signal generating method and equipment based on lookup table |
| 01/14/2004 | CN1135004C Eight-phase phase-shift keying modulation method and device |
| 01/14/2004 | CN1134984C System for sampling and processing video data and program guide transmitted in different coding format |
| 01/14/2004 | CN1134952C Method and apparatus for limiting amplitude of transmission signal |
| 01/14/2004 | CN1134931C Method for measuring frequency difference and receiver |
| 01/14/2004 | CN1134927C Method for selecting a link protocol for a transparent data service in digital communication system |
| 01/14/2004 | CN1134894C Method for generating coding output signal and decoding method for generating decoding data flow |
| 01/13/2004 | US6678844 System and method for determining bit-error rates |
| 01/13/2004 | US6678512 Receiver system using analog to digital conversion at radio frequency and method |
| 01/13/2004 | US6678503 Apparatus for radio frequency processing with dual modulus synthesizer |
| 01/13/2004 | US6678342 Absolute-phasing synchronization capturing circuit |
| 01/13/2004 | US6678339 Globally optimum maximum likelihood estimation of joint carrier frequency offset and symbol timing error in multi-carrier systems |
| 01/13/2004 | US6678337 Method and device for demodulating receive signal including a pilot signal |
| 01/13/2004 | US6678336 Hierarchical transmission digital demodulator |
| 01/13/2004 | US6678335 Encoding having peak-power reduction and error-correction capabilities in multicarrier transmission and decoding for the same |
| 01/13/2004 | US6678334 Methods of reducing the complexity of trellis-based scalar-vector quantizers |
| 01/13/2004 | US6678317 Adaptive equalizer device and method for controlling adaptive equalizer |
| 01/13/2004 | US6678316 Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators |
| 01/13/2004 | US6678310 Wireless local area network spread spectrum transceiver with multipath mitigation |
| 01/13/2004 | US6678309 CDMA base station system |
| 01/13/2004 | US6678263 Method and constructions for space-time codes for PSK constellations for spatial diversity in multiple-element antenna systems |
| 01/13/2004 | US6678260 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system |