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Multiple-Valued Data Transmission Based on Time-Domain Pre-Emphasis Techniques
Yasushi YUMINAKA Yasunori TAKAHASHI Kenichi HENMI
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/08/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Multiple-Valued VLSI Technology
pre-emphasis, high-speed interface, multiple-valued logic, equalization, data-dependent jitter,
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This paper presents a Pulse-Width Modulation (PWM) pre-emphasis technique which utilizes time-domain information processing to increase the data rate for a given bandwidth of interconnection. The PWM pre-emphasis method does not change the pulse amplitude as for conventional FIR pre-emphasis, but instead exploits timing resolution. This fits well with recent CMOS technology trends toward higher switching speeds and lower supply voltage. We discuss multiple-valued data transmission based on time-domain pre-emphasis techniques in consideration of higher-order channel effects. Also, a new data-dependent adaptive time-domain pre-emphasis technique is proposed to compensate for the data-dependent jitter.