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research article

A Time-Division Multiplexing Signaling Scheme for Inter-Symbol/Channel Interference Reduction in Low-Power Multi-Drop Memory Links

Kim, Gain  
•
Cao, Chen
•
Gharibdoust, Kiarash  
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2017
IEEE Transactions of Circuits and Systems II: Express Briefs (TCAS-II)

A time-division multiplexing (TDM) digital channel coding scheme with inter-symbol interference (ICI) reduction property for multi-drop memory interfaces has been proposed. Shaping the TX spectrum to avoid channel frequency notches, the proposed digital TDM singling reduces inter-symbol interference (ISI) and far-end crosstalk (FEXT) in multi-drop bus (MDB) interfaces. Thanks to a proper guard interval insertion, the transmitted signal exhibits reduced ICI among time-domain sub-channels, as compared to the previously proposed digital spectrum shaping signaling. Applying the proposed coding scheme, the data rate (DR) can be 4 times as high as the first channel notch frequency, without employing decision-feedback equalizer (DFE), feed-forward equalizer (FFE) and continuous-time linear equalizer (CTLE). On the other hand, non-return-to-zero (NRZ) signaling necessitates DFE with at least 12 taps on the receiver (RX) side for receiving data at the same rate for the same MDB interface.

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Type
research article
DOI
10.1109/TCSII.2017.2763199
Web of Science ID

WOS:000416518600007

Author(s)
Kim, Gain  
•
Cao, Chen
•
Gharibdoust, Kiarash  
•
Tajalli, Seyed Armin  
•
Leblebici, Yusuf  
Date Issued

2017

Publisher

Ieee-Inst Electrical Electronics Engineers Inc

Published in
IEEE Transactions of Circuits and Systems II: Express Briefs (TCAS-II)
Volume

64

Issue

12

Start page

1387

End page

1391

Subjects

Serial-data transceiver (TRX)

•

spectrum shaping

•

time-division multiplexing (TDM)

•

inter-symbol interference (ISI)

•

multi-drop bus (MDB)

•

non-return-to-zero (NRZ) signaling

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSM  
Available on Infoscience
October 7, 2017
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/141050
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