Influence of Tissue Anisotropy on Molecular Communication

Publication Type:
Conference Proceeding
IEEEXplore, 2019
Issue Date:
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EMBC19_Alzubi_Mohan_Ling_EMBC2019_final-submitted version.pdfAccepted Manuscript version690.31 kB
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Many biological tissues inside the human body exhibit highly anisotropic diffusion properties; for example, tissues of the nervous system and white matter in the brain. Here, we present an improved molecular communication model by introducing the tissue anisotropy to model diffusive molecular channel for nanomachine communications. We present a stochastic particle-based simulation model for molecular communication in three-dimensional (3D) anisotropic diffusive biological microenvironments and validate with analytical expressions. We also derive expressions for peak amplitude and peak time for the received molecular signal. The results demonstrate that the channel impulse response in anisotropic biological media depend significantly on the diffusion tensor as well as on the locations of the nanomachines.
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