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Anti-ISI Demodulation Scheme and Its Experiment-based Evaluation for Diffusion-based Molecular Communication
School of Communication Information Engineering, University of Electronic Science and Technology of China.
School of Communication Information Engineering, University of Electronic Science and Technology of China..
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0003-1902-9877
2018 (English)In: IEEE Transactions on Nanobioscience, ISSN 1536-1241, E-ISSN 1558-2639Article in journal (Refereed) Epub ahead of print
Abstract [en]

In diffusion-based molecular communication (MC), the most common modulation technique is based on the concentration of information molecules. However, the random delay of molecules due to the channel with memory causes severe inter-symbol interference (ISI) among consecutive signals. In this paper, we propose a detection technique for demodulating signals, the increase detection algorithm (IDA), to improve the reliability of concentration-encoded diffusion-based molecular communication. The proposed IDA detects an increase (i.e., a relative concentration value) in molecule concentration to extract the information instead of detecting an absolute concentration value. To validate the availability of IDA, we establish a real physical tabletop testbed. And we evaluate the proposed demodulation technique using bit error rate (BER) and demonstrate by the tabletop molecular communication platform that the proposed IDA successfully minimizes and even isolates ISI so that a lower BER is achieved than the common demodulation technique.

Place, publisher, year, edition, pages
IEEE, 2018.
National Category
Media and Communication Technology
Research subject
Mobile and Pervasive Computing
Identifiers
URN: urn:nbn:se:ltu:diva-68276DOI: 10.1109/TNB.2018.2797689OAI: oai:DiVA.org:ltu-68276DiVA, id: diva2:1196614
Available from: 2018-04-10 Created: 2018-04-10 Last updated: 2018-04-10

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Vasilakos, Athanasios V.
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