Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
05/1998
05/13/1998EP0841787A2 Synchronisation in a multicarrier receiver
05/13/1998EP0841786A2 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm
05/13/1998EP0841765A2 Method for determining the location of transmitters in digital broadcast systems
05/13/1998EP0841762A2 Communication method in a multi-carrier format
05/13/1998EP0840972A1 Filter for multicarrier communication system and method for peak power control therein
05/13/1998CN1181852A Communication system and operating method thereof
05/13/1998CN1181681A Method for reducing carrier recovery time in high definition television receiver
05/13/1998CN1181673A Timing synchronization in receiver employing orthogonal frequency division multiplexing
05/12/1998US5751776 Receiver for a digital communication system
05/12/1998US5751774 Transmission system for digital audio broadcasting
05/12/1998US5751773 System for wireless serial transmission of encoded information
05/12/1998US5751767 Channel quality monitoring by detecting, based on a fading pitch detected in an RSSI, a BER in an accumulated phase likelihood datum
05/12/1998US5751765 Non-contact IC card, non-contact IC card system, and non-contact IC card data communication method
05/12/1998US5751716 Multi-carrier transmission system adapted for packet data transfer
05/12/1998US5751705 Code division multiple access base station transmitter
05/12/1998US5751347 Vestigial sideband test signal generator and method
05/12/1998US5751198 Angular modulator with a phase variation divided and integrated
05/12/1998US5751187 Method and device for phase-modulated signals
05/12/1998US5751114 Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio transmitter
05/08/1998CA2217093A1 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm
05/07/1998WO1998019465A2 Method of combining several signals, and base station
05/07/1998WO1998019410A2 Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing
05/07/1998WO1998019390A1 Kronecker product code acquisition system
05/07/1998WO1998013960A3 Pipeline communication system
05/07/1998WO1998010554A3 Improvements in, or relating to, multi-carrier transmission systems
05/07/1998WO1998010553A3 Improvements in, or relating to, control channels for telecommunications transmission systems
05/07/1998WO1998010551A3 Improvements in, or relating to, multi-carrier transmission systems
05/07/1998WO1998010547A3 Improvements in, or relating to, multi-carrier transmission systems
05/07/1998CA2270149A1 Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing
05/06/1998EP0840485A2 Method and circuit for the synchronization of an OFDM receiver
05/06/1998EP0840484A2 DC offset correction in TDMA systems
05/06/1998EP0840483A2 Soft decision method and receiver
05/06/1998EP0840474A2 Reconfigurable transceiver for asymmetric communication systems
05/06/1998EP0839423A1 Pulse shaping for multicarrier modulation
05/06/1998CN1181164A Radio apparatus
05/06/1998CN1180964A Device and method for vector equalization of OFDM signal
05/06/1998CA2220241A1 A procedure for determining the locations of transmitters
05/05/1998US5748687 Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems
05/05/1998US5748683 Multi-channel transceiver having an adaptive antenna array and method
05/05/1998US5748682 Oscillator frequency offset error estimator for communications systems
05/05/1998US5748680 Coarse frequency burst detector for a wireline communications system
05/05/1998US5748679 Modulated clock MSK modulator for high data rate applications
05/05/1998US5748678 Radio communications apparatus
05/05/1998US5748674 Decision-feedback equalizer for digital communication system
05/05/1998US5748670 Method of demodulating chirp spread spectrum
05/05/1998US5748129 Analog to digital converter circuit
05/05/1998US5748046 Phase locked loop with controllable response time
05/05/1998US5748036 Non-coherent digital FSK demodulator
05/05/1998CA2097059C Viterbi equalizer for radio receiver
05/05/1998CA2095025C Channel equalisation in particular for fading channels
04/1998
04/30/1998WO1998018289A1 Cable network using atm cells for prioritized packet transmission
04/30/1998WO1998018202A1 Apparatus and method for demodulating a modulated signal
04/30/1998WO1998009398A3 Wideband code-division-multiple access system and method
04/30/1998DE19708853C1 Digital demodulation method for frequency modulated signals
04/30/1998CA2219731A1 Soft decision method and receiver
04/30/1998CA2199111A1 Timing synchronization in a receiver employing orthogonal frequency division multiplexing
04/29/1998EP0838928A2 Equalisation of multicarrier signals
04/29/1998EP0838927A1 Balance error estimator in a quadrature modulator and modulation stage using the estimator
04/29/1998EP0838115A1 Apparatus for decoding video signals encoded in different formats
04/29/1998EP0838111A1 Carrier recovery for digitally phase modulated signals, using a known sequence
04/29/1998CN1180462A Multi-point to point communication system
04/29/1998CN1180269A Multi-carrier communication method and device
04/28/1998US5745837 Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA
04/28/1998US5745582 Audio signal transmitting apparatus audio signal receiving apparatus and audio signal transmitting and receiving system
04/28/1998US5745535 Precision symbol discrimination timing detection (clock recovery) system for multi-carrier modulation signal
04/28/1998US5745532 System for wireless transmission and receiving of information and method of operation thereof
04/28/1998US5745528 VSB mode selection system
04/28/1998US5745527 Encoding method for constellation symbols of an RF transmitter
04/28/1998US5745526 Radio transmitters and methods of operation
04/28/1998US5745525 Method and system for simultaneously broadcasting and receiving digital and analog signals
04/28/1998US5745523 Multi-mode signal processing
04/28/1998US5745005 Demodulating system for carrier-wave and single pulse modulated signals
04/28/1998US5745004 FPLL with third multiplier in an AC path in the FPLL
04/24/1998CA2217100A1 Estimator of the quadrature balance fault of a modulator and modulation stage utilizing it
04/23/1998WO1998017050A1 Circuitry and method for simultaneously transmitting voice and data information
04/23/1998WO1998017038A1 Receiver signal processing system for cap signals
04/23/1998WO1998017037A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
04/23/1998DE19703967A1 ASK receiver using infrared radiation
04/23/1998CA2268845A1 Circuitry and method for simultaneously transmitting voice and data information
04/23/1998CA2268262A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
04/22/1998EP0837582A2 Symbol synchronization in a DAB receiver
04/22/1998EP0837565A1 IS-95 compatible wideband communication scheme
04/22/1998EP0836772A2 Digital radio signal frequency translation and oversampling device and method
04/22/1998EP0836770A2 Automatic power control system for a code division multiple access (cdma) communications system
04/22/1998EP0673576A4 Apparatus for and method of speech digitizing.
04/22/1998CN1179661A Digital modulated signal receiver
04/22/1998CN1038174C Integrated cellular communications system
04/21/1998US5742679 Optimized simultaneous audio and data transmission using QADM with phase randomization
04/21/1998US5742644 Receiving circuitry for receiving serially transmitted encoded information
04/21/1998US5742643 Quantizing and decoding of phase-amplitude modulated signals in hexagonal code
04/21/1998US5742641 Apparatus, method and article of manufacture for the dynamic compensation of FM deviation in a FM radio receiver
04/21/1998US5742637 Fast phase estimation in digital communication systems
04/21/1998US5742527 Flexible asymmetrical digital subscriber line (ADSL) receiver, central office using same, and method therefor
04/21/1998US5741314 Embedded data link and protocol
04/21/1998CA2130157C Adaptive equalizer and adaptive diversity equalizer
04/16/1998WO1998016061A1 Receiver for adjusting sync levels in vsb systems
04/16/1998WO1998016043A1 Method for transmitting data packets on carrier frequency with linear variation and transmitter implementing this method
04/16/1998WO1998016042A1 Cosine segment communications system
04/16/1998WO1998016041A1 Data comparison agc system for vsb receiver
04/16/1998WO1998016026A1 Modem, method and device for indicating received signal strength and presence for intensity modulated binary-coded wireless data packets with reduced recovery time
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