DNA information storage method based on Raptor codes and quaternary RS codes

An information storage and quaternary technology, applied in the field of DNA information storage, can solve the problems of low encoding and decoding efficiency, high complexity, and many technical difficulties, and achieve high encoding and decoding efficiency, low complexity, and good scalability Effect

Pending Publication Date: 2020-03-27
TIANJIN UNIV
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Problems solved by technology

Although DNA storage technology is still in the academic research stage due to factors such as high cost, time-consuming, and many technical difficulties, it has not yet been put into commercial application, but from the perspective of long-term investment, many manufacturers believe that it is very valuable, which is very important. May become a breakthrough in the future s

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  • DNA information storage method based on Raptor codes and quaternary RS codes
  • DNA information storage method based on Raptor codes and quaternary RS codes
  • DNA information storage method based on Raptor codes and quaternary RS codes

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0037] Such as figure 1 Shown is the current common DNA data storage architecture. It mainly includes three parts: information encoding and decoding similar to the storage controller, biological data reading and writing and storage (DNA data storage). Among them, the information encoding and decoding part is the key to the entire DNA storage technology, mainly including information encoding and decoding. Information coding is equivalent to the writing process of the hard disk. The main purpose is to convert the binary sequence obtained by compressing text and multimedia data into a DNA base sequence (that is, a sequence containing A, T, C, and G) according to a certain corresponding relationship, which is convenient for later processing. The synthesis of DNA realizes data writing. This process consists of four parts: DNA compression, DNA error correct...

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Abstract

The invention discloses a DNA information storage method based on Raptor codes and quaternion RS codes. The method comprises a DNA information storage process based on Raptor codes. The DNA information storage process comprises the following steps: 1, converting an information file needing to be stored into a binary code stream; 2, encoding the binary code stream into a base sequence containing A,T, C and G by using Raptor codes; and 3, adding a quaternary RS error correction mechanism to the base sequences to ensure the correctness of information storage, then adding primer segments requiredfor synthesizing DNA to the two ends of the base sequences, and synthesizing the base sequences into DNA chains by using a biotechnology to complete information storage; compared with the prior art,the DNA storage technology realized by the invention has the beneficial effects of good ductility, high encoding and decoding efficiency, low complexity and the like.

Description

technical field [0001] The invention relates to the technical field of DNA information storage. Background technique [0002] In today's era of information explosion, the world has produced more information in the past two years than in the past five years. Digital information is growing and accumulating at an astonishing rate. It is estimated that by 2020, as many as 4.4×10 13 GB of information data. At this stage, the storage devices used by people, such as magnetic disks and semiconductors, are gradually exposed to inherent deficiencies, and it is urgent to find a new generation of alternative storage technologies. [0003] As early as the 1970s, foreign scholars proposed the idea of ​​using various states of DNA to represent information. But domestic research in this field is still in its infancy. [0004] Deoxyribose nucleic acid (Deoxyribonucleic Acid, DNA) is a kind of natural information carrier, which has inherent advantages such as large capacity, intensive stor...

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Application Information

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IPC IPC(8): H03M13/15H03M13/29G06N3/12
CPCG06N3/123H03M13/1515H03M13/2903H03M13/2906
Inventor 张淑芳彭康
Owner TIANJIN UNIV
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