| Patent Number |
Title Of Patent |
Date Issued |
| 7555076 |
Modular device for multiple reception of a modulated signal |
June 30, 2009 |
| A reception device includes a number of reception paths and a decoder. The reception paths are sequenced and each reception path includes a calculation module embodied to deliver a combined confidence index and a combined data stream, from the confidence index and the equalized data |
| 7054604 |
Wireless signal amplification system and a television signal decoder comprising one such system |
May 30, 2006 |
| A wireless signal amplification system including amplification apparatus (6) consisting of numerous different amplifiers (6.sub.1 to 6.sub.n) which are distributed in an analogue processing chain (4). Also, a converter (12) for converting analogue signals into digital signals which, |
| 6545532 |
Timing recovery circuit in a QAM demodulator |
April 8, 2003 |
| A timing recovery circuit in a QAM demodulator which uses a symbol rate continuously adaptive interpolation filter. The method of interpolation used in the present invention is defined as a function of time per interpolation interval, rather than as a function of time per sampling in |
| 6268767 |
Dual bit error rate estimation in a QAM demodulator |
July 31, 2001 |
| A quadrature amplitude modulation type demodulator having a dual bit error rate estimator unit that allows for high bit error rate measurements. The dual bit error rate estimator circuit uses information pertaining to the number of corrected bytes from a forward error correction decoder |
| 6249180 |
Phase noise and additive noise estimation in a QAM demodulator |
June 19, 2001 |
| A QAM demodulator having a carrier recovery circuit that includes a phase estimation circuit and an additive noise estimation circuit which produces an estimation of the residual phase noise and additive noise viewed by the QAM demodulator. The phase noise estimation is based on the leas |
| 6249179 |
Direct digital synthesis in a QAM demodulator |
June 19, 2001 |
| A quadrature amplitude modulation (QAM) type demodulator having a pair of direct digital synthesizer (DDS) circuits. The first DDS circuit is located in a baseband conversion circuit before a receive filter and digitally tunes the signal within the receive filter bandwidth. The second |
| 6160443 |
Dual automatic gain control in a QAM demodulator |
December 12, 2000 |
| A QAM demodulator having a first automatic gain control circuit which outputs a first signal that is a function of the received signal, the first signal being used to control the gain of an amplifier which supplies the input of an A/D converter, and a second automatic gain controller |
