| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 07/02/1996 | US5532641 ASK demodulator implemented with digital bandpass filter |
| 07/01/1996 | CA2166376A1 Output control circuit for transmission power amplifying circuit |
| 06/27/1996 | WO1996019889A1 Fek modem for high frequency communications |
| 06/27/1996 | WO1996019888A1 Frequency stabilized fsk transmitter |
| 06/27/1996 | WO1996019879A1 Method and apparatus for using walsh shift keying in a spread spectrum communication system |
| 06/27/1996 | WO1996019877A1 Radio based collision detection for wireless communication system |
| 06/27/1996 | WO1996019875A1 Frequency synchronized bidirectional radio system |
| 06/27/1996 | DE4446640A1 Carrier tracking circuit for IQ demodulator |
| 06/27/1996 | DE4446637A1 Carrier tracking circuit for IQ demodulator |
| 06/26/1996 | EP0719015A2 Frequency detector for carrier synchronisation |
| 06/26/1996 | EP0719014A2 Modulation circuit used in an IC-card reading/writing apparatus |
| 06/26/1996 | EP0719013A2 DC offset correction circuit |
| 06/26/1996 | EP0719005A2 Receiver structure for OFDM |
| 06/26/1996 | EP0719004A2 OFDM system with additional protection against multipath effects |
| 06/26/1996 | EP0719003A2 Frequency hopped cellular mobile radio system combining OFDM and frequency hopping |
| 06/26/1996 | EP0719002A1 Carrier recovery processor |
| 06/26/1996 | EP0719001A1 DMT modulator |
| 06/26/1996 | EP0718821A2 Linear prediction filter coefficient quantizer and filter set |
| 06/26/1996 | EP0612454B1 Digital fsk demodulator |
| 06/26/1996 | CN1125500A Digital radio communication equipment |
| 06/25/1996 | US5530723 Automatic frequency control arrangement |
| 06/25/1996 | US5530722 Quadrature modulator with integrated distributed RC filters |
| 06/25/1996 | US5530721 Equalizer and terminal device for mobile communications |
| 06/25/1996 | US5530708 Error detection method using convolutional code and viterbi decoding |
| 06/25/1996 | US5530382 Phase comparator |
| 06/23/1996 | CA2162327A1 Signal processor module |
| 06/23/1996 | CA2162326A1 Signal processor |
| 06/22/1996 | CA2161988A1 Linear prediction filter coefficient quantizer & filter set |
| 06/21/1996 | CA2161167A1 Dc offset correction circuit |
| 06/20/1996 | WO1996019063A1 Method of balancing the channels of a linc amplifier |
| 06/20/1996 | WO1996019056A1 Method at ofdm-reception for correction of frequency, time window, sampling clock and slow phase variations |
| 06/20/1996 | WO1996019055A1 Ofdm with variable subcarrier allocation |
| 06/19/1996 | EP0717538A2 Frequency burst detector apparatus and method for a wireline communication system |
| 06/19/1996 | EP0717531A1 Data transmission circuit on power lines with low reception threshold |
| 06/19/1996 | EP0717529A1 Method and circuit arrangement for the phase synchronisation on reception of RDS-signals |
| 06/19/1996 | EP0717517A2 Method and system for evaluating a RDS signal |
| 06/19/1996 | EP0717512A2 Coarse frequency burst detector for a wireless communications systems, such as for use with GSM |
| 06/19/1996 | EP0717509A1 Method and apparatus for combining signals |
| 06/19/1996 | EP0717504A2 Radio transmitters and methods of operation |
| 06/19/1996 | EP0717494A2 Method and device for digital filtering |
| 06/19/1996 | EP0716790A1 Information transmission system and method of operation |
| 06/19/1996 | EP0716789A1 Communication system for communicating with a plurality of selective call receivers and method therefor |
| 06/19/1996 | EP0716785A1 An improved rom filter |
| 06/19/1996 | EP0521995B1 Transmission and reception in a hostile interference environment |
| 06/19/1996 | CN1125027A Phase detector |
| 06/19/1996 | CN1125023A Signaling packet for communication system with modulated reference according to a time-base law |
| 06/19/1996 | CN1032104C Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
| 06/19/1996 | CN1032103C Modem including an equalizer for amplitude jitter |
| 06/19/1996 | CN1032099C System of communication |
| 06/18/1996 | US5528686 Transformerless hybrid circuit having direct powered line-side amplifiers |
| 06/18/1996 | US5528685 Transformerless hybrid circuit |
| 06/18/1996 | US5528634 Trajectory directed timing recovery |
| 06/18/1996 | US5528633 Tuner with quadrature downconverter for pulse amplitude modulated data applications |
| 06/18/1996 | US5528632 For determining phase reversal in a received signal |
| 06/18/1996 | US5528631 π/4 shifted DQPSK modulator |
| 06/18/1996 | US5528627 Signal reception system comprising an adaptive filter |
| 06/18/1996 | US5528626 Method and system for modem command processing during data transfer |
| 06/18/1996 | US5528581 Diversity transmission system for sub-band diversity reception |
| 06/18/1996 | US5528195 Selective type quadrature demodulator |
| 06/13/1996 | WO1996018261A2 High speed communications system for analog subscriber connections |
| 06/13/1996 | WO1996018255A1 Ocdma code tracking system having phantom carrier signal |
| 06/13/1996 | WO1996018250A1 Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission |
| 06/13/1996 | DE19541441A1 Diminishing electromagnetic radiation in data transmission leads |
| 06/12/1996 | EP0716529A2 Rotationally invariant trellis code |
| 06/12/1996 | EP0716528A2 Acquisition of carrier phase and symbol timing through joint estimation of phase and timing adjustments |
| 06/12/1996 | EP0716527A1 Maximum likelihood decoding and synchronous detecting method |
| 06/12/1996 | EP0716526A2 Method of producing modulating waveforms with constant envelope |
| 06/12/1996 | EP0567650B1 Phase-modulation transmitter and receiver |
| 06/12/1996 | CN1124557A Multiple carrier digital television signal decoder |
| 06/12/1996 | CN1124554A I/Q quadraphase modulator circuit |
| 06/12/1996 | CN1124547A A method and apparatus for determining signal usability |
| 06/11/1996 | US5526381 Robust non-coherent detector for π/4-DQPSK signals |
| 06/07/1996 | CA2164465A1 Converter for converting a modulating signal with variable envelope to two modulating signals without variable envelope, transmitter using the converter and method for transmitting a modulated wave with variable envelope |
| 06/06/1996 | WO1996018249A1 Device and method for multiplexing signal |
| 06/06/1996 | WO1996017465A1 Dynamic selection of voice compression rate in a voice data modem |
| 06/06/1996 | WO1996017459A1 Efficient qam equalizer/demodulator with non-integer sampling |
| 06/06/1996 | WO1996017455A1 Method for synchronization of transmitter and receiver at mobile radio system |
| 06/06/1996 | WO1996017454A1 Method and apparatus for testing a digital communication channel at variable or fixed data rates |
| 06/06/1996 | WO1996017439A1 Cyclic trellis coded modulation |
| 06/06/1996 | WO1996017431A1 Universal radio architecture for low-tier personal communication system |
| 06/06/1996 | CA2203899A1 Cyclic trellis coded modulation |
| 06/05/1996 | EP0715438A2 Automatic generation of a decision threshold in an FSK receiver |
| 06/05/1996 | EP0715421A2 A spread spectrum code pulse position modulated receiver having delay spread compensation |
| 06/05/1996 | EP0715420A2 Transmitting-receiving apparatus |
| 06/05/1996 | EP0714575A1 Method and apparatus for creating a composite waveform |
| 06/05/1996 | EP0714571A1 Method and system for performing transmission of digital data by coding bit information into the shape of a pulse and decoding the bit information from the shape of the pulse |
| 06/05/1996 | DE4441634A1 Data transfer unit for connections over telephone networks, public and private data networks, radio telephones, etc. |
| 06/05/1996 | CN1123985A HDTV signal receiver withimaginary-sample-presencedetector for QAM/VSB mode selection on |
| 06/04/1996 | US5524171 Device for the processing and pre-correction of an audio signal before it is amplified in an amplification system of a transmitter with amplitude modulation |
| 06/04/1996 | US5524127 Used in a digital communication system |
| 06/04/1996 | US5524027 Data receiver, method of calculating metrics, and signal processing device |
| 06/04/1996 | US5524026 Method and apparatus for judging timing phase of modem which is used in data communication |
| 06/04/1996 | US5524025 Coding for digital transmission |
| 06/04/1996 | US5524023 Interference cancellation using power-inversion adaptive array and LMS adaptive equalizer |
| 06/04/1996 | US5523726 Method of modulating binary data sequences |
| 06/04/1996 | CA2062776C Digital automatic gain control |
| 05/31/1996 | CA2163728A1 Transmitting-receiving apparatus |
| 05/30/1996 | WO1996016496A2 Trellis coded 16 star qam with reed-solomon coding |
| 05/30/1996 | WO1996016495A1 Distortion corrector for two data flows |
| 05/30/1996 | WO1996016493A1 Process for digital frequency correction in multi-carrier transmission processes |