A cable modem receiver supporting 4 upstream channels

A cable modem receiver supporting 4 upstream channels

An upstream cable modem receiver is proposed, which is implemented in FPGAs, consists of a DDC, a pre-FEC and an FEC. It is found that when the BER of 64QAM is 10 -5 , the required E b /N 0 is 19.5 dB. Measured results show the maximum transmitted EVM of 1.54 % and maximum received EVM of 2.67%. The...

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Bibliographische Detailangaben
Hauptverfasser: Jae-Ho Lee, Dong-Joon Choi, Soo-In Lee, Whan-Woo Kim
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bit error rate
Communication cables
Modems
Phase shift keying
Radio transmitters
Receivers
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Beschreibung
Zusammenfassung:An upstream cable modem receiver is proposed, which is implemented in FPGAs, consists of a DDC, a pre-FEC and an FEC. It is found that when the BER of 64QAM is 10 -5 , the required E b /N 0 is 19.5 dB. Measured results show the maximum transmitted EVM of 1.54 % and maximum received EVM of 2.67%. The implemented receiver can receive 4 channels simultaneously supporting high data rate.
ISSN:2158-3994
2158-4001
DOI:10.1109/ICCE.2011.5722760