DSP based cancellation of the afe nonlinear echo for 10GBASE-T transceivers

DSP based cancellation of the afe nonlinear echo for 10GBASE-T transceivers

An effective method for mitigating transmitter nonlinear echo in 10GBASE-T transceivers is discussed. This method is based on approximating the nonlinear characteristics of the combined transmitter and the echo channel by smooth multidimensional functions. Results based on a chip fabricated in 0.13...

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Bibliographische Detailangaben
Hauptverfasser: Dabiri, D., Tellado, J., Begur, S., Kasturia, S.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
CMOS technology
Digital signal processing
Echo cancellers
Frequency
Multidimensional systems
Nonlinear distortion
Signal processing
Transceivers
Transmitters
Voltage
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Beschreibung
Zusammenfassung:An effective method for mitigating transmitter nonlinear echo in 10GBASE-T transceivers is discussed. This method is based on approximating the nonlinear characteristics of the combined transmitter and the echo channel by smooth multidimensional functions. Results based on a chip fabricated in 0.13 mum CMOS technology show that approximately 6 dB of average cancellation of nonlinear echo can be achieved by this method.
ISSN:0271-4302
2158-1525
DOI:10.1109/ISCAS.2009.5118386