Channel Modeling for Diffusive Molecular Communication - A Tutorial\n Review

2018/12/13 by Vahid Jamali, Jamali, Vahid, Arman Ahmadzadeh +7 · 14 citations
Engineering · Biochemistry, Genetics and Molecular Biology · #Molecular Communication and Nanonetworks #Advanced biosensing and bioanalysis techniques #Wireless Body Area Networks

paper · pdf · doi:10.48550/arxiv.1812.05492

Abstract

Molecular communication (MC) is a new communication engineering paradigm\nwhere molecules are employed as information carriers. MC systems are expected\nto enable new revolutionary applications such as sensing of target substances\nin biotechnology, smart drug delivery in medicine, and monitoring of oil\npipelines or chemical reactors in industrial settings. As for any other kind of\ncommunication, simple yet sufficiently accurate channel models are needed for\nthe design, analysis, and efficient operation of MC systems. In this paper, we\nprovide a tutorial review on mathematical channel modeling for diffusive MC\nsystems. The considered end-to-end MC channel models incorporate the effects of\nthe release mechanism, the MC environment, and the reception mechanism on the\nobserved information molecules. Thereby, the various existing models for the\ndifferent components of an MC system are presented under a common framework and\nthe underlying biological, chemical, and physical phenomena are discussed.\nDeterministic models characterizing the expected number of molecules observed\nat the receiver and statistical models characterizing the actual number of\nobserved molecules are developed. In addition, we provide channel models for\ntime-varying MC systems with moving transmitters and receivers, which are\nrelevant for advanced applications such as smart drug delivery with mobile\nnanomachines. For complex scenarios, where simple MC channel models cannot be\nobtained from first principles, we investigate simulation-driven and\nexperimentally-driven channel models. Finally, we provide a detailed discussion\nof potential challenges, open research problems, and future directions in\nchannel modeling for diffusive MC systems.\n

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