• Laser & Optoelectronics Progress
  • Vol. 57, Issue 15, 151701 (2020)
Shufang Zhang* and Kang Peng
Author Affiliations
  • School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
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    DOI: 10.3788/LOP57.151701 Cite this Article Set citation alerts
    Shufang Zhang, Kang Peng. DNA Information Storage Technology Based on Raptor Code[J]. Laser & Optoelectronics Progress, 2020, 57(15): 151701 Copy Citation Text show less
    Flow chart of DNA-Raptor code technology
    Fig. 1. Flow chart of DNA-Raptor code technology
    Flowchart of quaternary error correction coding process
    Fig. 2. Flowchart of quaternary error correction coding process
    Screening plan process
    Fig. 3. Screening plan process
    Coding process of DNA-Raptor code
    Fig. 4. Coding process of DNA-Raptor code
    Encoding and decoding performance of LT code and Raptor code. (a) Change curves of degree value and frequency; (b) change curves of redundancy and decoding success rate
    Fig. 5. Encoding and decoding performance of LT code and Raptor code. (a) Change curves of degree value and frequency; (b) change curves of redundancy and decoding success rate
    Information symbol frequency of two plans. (a) DNA-Raptor code; (b) DNA fountain code
    Fig. 6. Information symbol frequency of two plans. (a) DNA-Raptor code; (b) DNA fountain code
    Frequency of information symbols in DNA fountain code
    Fig. 7. Frequency of information symbols in DNA fountain code
    Redundancy /%Errorprobability /%Error rateafter decoding /%
    13.330.020
    0.040
    0.100.003
    0.200.011
    Table 1. Results of quaternary RS error correction code
    PlanAB
    Coding efficiency per basic /bit1.461.46
    Time /s0.560.61
    Table 2. Comparison of screening plan performance
    FileInputdata /KBCoding efficiencyper basic /bitTime /s
    Text91.4630.556
    Video5231.501127.729
    Picture531.4932.113
    Average-1.486-
    Table 3. Performance parameters of DNA-Raptor storage framework
    PlanRef. [6]Ref. [5]Ref. [15]Ref. [4]Ref. [16]Ref. [7]Proposed
    Coding efficiency per basic /bit0.830.331.140.880.921.571.49
    Redundancy /%17.0079.1135.9644.3042.5020.7123.52
    Error correctionNoRepetitionRSNoRepetitionRSQuaternary RS
    Full recoveryNoNoYesNoYesYesYes
    Table 4. Performance of different DNA information storage plans
    PlanCoding efficiencyper basic /bitTime /s
    DNA-Raptor1.460.55
    DNA-LT1.540.84
    Table 5. Performance comparison between DNA-Raptor code and DNA fountain code
    Shufang Zhang, Kang Peng. DNA Information Storage Technology Based on Raptor Code[J]. Laser & Optoelectronics Progress, 2020, 57(15): 151701
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