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摘要:
Number Systems are media for representing numbers;the popular ones being the Weighted Number Systems (WNS), which sometimes propagate carries during arithmetic computations. The other category, Un-Weighted Number Systems, of which the Residue Number System (RNS) belongs, do not carry weights but have not yet found widespread usage in general purpose computing as a result of some challenges;one of the main challenges of RNS is overflow detection and correction. The presence of errors in calculated values due to such factors as overflow means that systems built on this number system will continue to fail until serious steps are taken to resolve the issue. In this paper, a scheme for detecting and correcting overflow during RNS addition is presented. The proposed scheme used mixed radix digits to evaluate the magnitude of the addends in order to detect the occurrence of overflow in their sum. The scheme also demonstrated a simplified technique of correcting the overflow in the event that it occurs. An analysis of the hardware requirements and speed limitations of the scheme showed that it performs considerably better in relation to similar state of art schemes.
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篇名 An Efficient Overflow Detection and Correction Scheme in RNS Addition through Magnitude Evaluation
来源期刊 电脑和通信(英文) 学科 医学
关键词 NUMBER SYSTEMS Weighted NUMBER SYSTEMS (WNS) Residue NUMBER System (RNS) OVERFLOW Detection OVERFLOW CORRECTION Faults Mixed Radix DIGITS (MRDs)
年,卷(期) 2018,(10) 所属期刊栏目
研究方向 页码范围 15-29
页数 15页 分类号 R73
字数 语种
DOI
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研究主题发展历程
节点文献
NUMBER
SYSTEMS
Weighted
NUMBER
SYSTEMS
(WNS)
Residue
NUMBER
System
(RNS)
OVERFLOW
Detection
OVERFLOW
CORRECTION
Faults
Mixed
Radix
DIGITS
(MRDs)
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
电脑和通信(英文)
月刊
2327-5219
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
783
总下载数(次)
0
总被引数(次)
0
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