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R&D: Upper and Lower Bounds on Capacity of DNA-Based Storage Channel

Results reveal potential of DNA storage density and can be used to guide design of ECCs.

IEEE Communications Letters has published an article written by Zihui Yan, Cong Liang, and Huaming Wu, Center for Applied Mathematics, Tianjin University, Tianjin, China.

Abstract: The application of DNA as a powerful tool for storing digital information in chemically synthesized molecules has undergone continuous development. To explore its potential and limitations, we model the DNA storage channel as a cascade of a series of parallel and independent DNA noisy synchronization error channels and a shuffling-sampling channel, and derive novel lower and upper capacity bounds through a purely information-theoretic approach. Our results reveal the potential of DNA storage density and can be used to guide the design of error correction codes.

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