Pulse or digital communications – Transmitters – Antinoise or distortion
Reexamination Certificate
2007-12-25
2007-12-25
Tran, Khanh C. (Department: 2611)
Pulse or digital communications
Transmitters
Antinoise or distortion
Reexamination Certificate
active
10855258
ABSTRACT:
Provided are a data transceiver and method for performing equalization and pre-emphasis adaptive to the transmission characteristic of a transmitting part. The transceiver measures the signal attenuation characteristic of a transmission line of a receiving part using an input data signal input via the transmission line of the receiving part, decodes the distorted waveform of the input data signal, distorts the waveform of an output data signal beforehand using the measured signal attenuation characteristic of the transmission line of the receiving part, and transmits the output data signal via a transmission line of a transmitting part. Thus, when the output data signal is transmitted via the transmission line of the transmitting part, the waveform of the signal remains optimized.
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Yoshiharu Kodoh et al., “A 0.13-um CMOS 5-Gb/s 10-m 28 AWG Cable Transceiver With No-Feedback . . . Post-Equalizer”; IEEE Journal of Solid-Sttate Circuits, vol. 38, No. 5, May 2003 (pp. 741-746).
Cheung Tae Sik
Choi Woo Young
Kim Bong Tae
Lee Bhum Cheol
Lee Jae Wook
Blakely & Sokoloff, Taylor & Zafman
Electronics and Telecommunications Research Institute
Tran Khanh C.
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