Journal
IEEE TRANSACTIONS ON NANOBIOSCIENCE
Volume 18, Issue 3, Pages 396-403Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNB.2019.2905417
Keywords
3-D microfluidic channel with flow; non-uniform diffusion; Poiseuille flow; impulse response of the microfluidic channel; molecular communication
Funding
- Scientific and Technical Research Council of Turkey (TUBITAK) [116E916]
- TETAM: Telecommunications and Informatics Technologies Research Center, Bogazici University [DPT-2007K120610]
- Government of Canada through the Department of Innovation, Science and Economic Development Canada
- Province of Ontario through the Ministry of Research and Innovation
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In this paper, the impulse response for a 3-D microfluidic channel in the presence of Poiseuille flow is obtained by solving the diffusion equation in radial coordinates. Using the radial distribution, the axial distribution is then approximated accordingly. Since Poiseuille flow velocity changes with radial position, molecules have different axial properties for different radial distributions. We, therefore, present a piecewise function for the axial distribution of the molecules in the channel considering this radial distribution. We lay evidence for our theoretical derivations for impulse response of the microfluidic channel and radial distribution of molecules through comparing them using various Monte Carlo simulations. Finally, the communication performance of the channel is examined.
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