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一种基于完整性检查的DSP软错误恢复方法

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Computer Science and Application 
A Method of Recovering DSP Soft Error  
Based on Integrity Check  
Guochang Zhou1, Xiangtao Wang2, Xiaoling Lai1, Xiang Gao1, Hao Wu2, Dengyun Yu3  
1Xi’an Institute of Space Radio Technology (CAST Xi’an), China Aerospace Science and Technology Corporation,  
Xi’an Shaanxi  
2School of Computer Science and Technology, Northwestern Polytechnical University, Xi’an Shaanxi  
3The ee, China Aerospace Science and Technology Corporation, Beijing  
Email:
Received: May 8th, 2015; accepted: May 23rd, 2015; published: May 28th, 2015  
Copyright © 2015 by authors and Hans Publishers Inc.  
ons Attribution International License (CC BY).  
Abstract  
In aerospace, the single particle soft errors are more and more frequently reported in DSP and the  
other memory devices, which seriously impact on the system running safely and reliably. Aiming  
at the soft error occurred in DSP program storage areas, this paper presents an integrality-check-  
ing-based control-flow error recovery method, which can rapidly recovery a control-flow error  
after checking it by a little improvement of setting a recovery pointer and a recovery memory on  
the integrality-checking-based control-flow check method. The proposed method has an impor-  
tant guiding significance to the design and development of DSP.  
Keywords  
DSP, Soft Error, Control-Flow Error, Integrality Checking, Error Recovery  
一种基于完整性检查的DSP软错误恢复方法  
周国昌1,王向涛2,赖晓玲1,高 翔1,吴 昊2,于登云3  
1中国空间技术研究院西安分院,陕西 西安  
2西北工业大学计算机学院,陕西 西安  
京  
Email:
收稿日期:201558日;录用日期:2015523日;发布日期:2015528日  
179  

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