Adaptive analog echo/NEXT cancellation

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United States of America Patent

PATENT NO 8203975
SERIAL NO

12215967

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A transceiver includes an analog front end (AFE) device and first, second, third, and fourth transmitters. A digital signal processor (DSP) receives digital receive signal and digital transmit signals and generates a shared error control signal and first, second, third, and fourth individual error control signals. An echo canceller system generates an estimated echo signal. First, second, and third NEXT canceller systems generate first, second, and third estimated NEXT signals, respectively, each based on the second analog receive signal and respective ones of the analog transmit signals from the second, third, and fourth transmitters during the first mode and each based on the shared error control signal, respective ones of the second, third, and fourth individual error control signals, and the respective ones of the analog transmit signals from the second, third, and fourth transmitters during the second mode.

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Patent Owner(s)

Patent OwnerAddress
MARVELL ASIA PTE LTDSINGAPORE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Xiaopeng Sunnyvale, US 41 190
He, Runsheng Sunnyvale, US 129 1741

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