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Redundant-residue-number-system-based irradiation-resisting reinforcing method and device

A technology of anti-radiation hardening and residual system, which is applied in the fields of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of anti-SETs performance degradation of filtering technology, etc. Effect

Inactive Publication Date: 2012-07-18
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Even so, due to the advancement of technology, the increase of SETs pulse width and the increase of system clock frequency, the performance of filtering technology against SETs is seriously degraded.

Method used

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  • Redundant-residue-number-system-based irradiation-resisting reinforcing method and device
  • Redundant-residue-number-system-based irradiation-resisting reinforcing method and device
  • Redundant-residue-number-system-based irradiation-resisting reinforcing method and device

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Embodiment

[0048] Below image 3 The design of the FIR filter shown to specifically illustrate the implementation process of the entire invention patent is as follows:

[0049] image 3 Is a 108-order FIR filter, where c 0 -c 107 Is the coefficient of the FIR filter, x(n) is the input 16-bit data, and y(n) is the output result.

[0050] The coefficient and data width of the FIR filter is 16 bits, then according to the data width requirement, the remainder base set is selected. In this embodiment, the remainder base of RRNS is selected as m 1 = 15, m 2 = 16, m 3 = 17, m 4 =19, m 5 =23, m 6 = 29, where m 5 = 23 and m 6 =29 is the redundant remainder base.

[0051] Among them, in the B2R module, the calculation of the remainder of x(n) for the remainder base of the selected RRNS is completed, namely (1≤i ≤6). The specific process is: 15 , 16 , 17 , 19 , 23 with 29 . The remainder operation is a well-known technique in this field, and will not be specifically described here.

[0052] Among...

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Abstract

The invention relates to a redundant-residue-number-system (RRNS)-based irradiation-resisting reinforcing method, which is characterized in that: the method is based on the reinforcing framework of an RRNS, and the redundant numbers of the RRNS can participate in operation. The method mainly comprises the following steps of: converting binary operands into the operands of the RRNS, performing a calculation and correcting errors. Due to the data route of a new RRNS-based design framework, the irradiation-resisting performance of the system is ensured, and the overhead of the system can be lowered compared with those of the conventional system.

Description

Technical field [0001] The invention belongs to the field of microelectronics integrated circuit design, such as anti-radiation reinforcement technology in avionics, and particularly relates to aerospace-specific integrated circuit design methods. Background technique [0002] In the previous process, due to the large node capacitance of the integrated circuit, the higher operating voltage and the lower operating frequency, single event transient pulse effects (Single Event Transients, SETs) lead to single event upsets (SEUs) The ratio of is small, basically not considered, mainly considering the SEUs effect generated by the sequential logic device itself. However, with the advancement of technology, the increase of integration, the decrease of operating voltage, the decrease of node capacitance and the increase of operating frequency, the proportion of SEUs caused by SETs increases, which can no longer be ignored. Many scholars at home and abroad have conducted researches on th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 胡剑浩李磊马上
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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