Residue-to-Binary Converter for the New RNS Moduli Set $\{2^{2n}-2, \ 2^{n}-1, \ 2^{n}+1\}$
2019 Panhellenic Conference on Electronics & Telecommunications (PACET)(2019)
摘要
Even moduli of the 2
n
-2 form have been recently proposed in the design of various digital systems that utilize the Residue Number System (RNS), as an alternative to the dominating modulo channel of 2
n
. Although efficient arithmetic units and residue generators have been proposed for the 2
n
-2 channel, the residue-to-binary conversion for moduli sets that incorporate this channel still remains a challenging task. In this work, we propose a reverse converter for the novel 3-moduli set {2
2n
-2,2
n
-1,2
n
+1} that can be easily derived based on the well-known New Chinese Remainder Theorem-I (New CRT-I). Performance evaluation based on experimental CMOS VLSI results for various bit-lengths reveals a significant reduction in conversion delay and integration area of up to 49% and 27% respectively, when compared with reverse converters of similar moduli sets.
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关键词
Residue Number System,reverse converter,residue-to-binary converter,moduli set,new CRT-I
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