Molecular Communication in Inhomogeneous Diffusion Channels

Dung Phuong Trinh; Youngmin Jeong; Chan Byoung Chae; Sang Hyo Kim

doi:10.1109/LWC.2022.3190325

Molecular Communication in Inhomogeneous Diffusion Channels

Dung Phuong Trinh, Youngmin Jeong, Chan Byoung Chae, Sang Hyo Kim

School of Integrated Technology

Research output: Contribution to journal › Article › peer-review

Abstract

We consider an inhomogeneous diffusion channel (IDC) for molecular communication, where the diffusivities vary in space. We first study the statistical properties of molecular noise. These properties can be fully characterized by two IDC parameters related to a space-dependent diffusion coefficient and a constant drift velocity. We then characterize a noise power for the IDC by introducing the concept of geometric noise power since the molecular noise can be a heavy-tailed distribution. Finally, we derive the bit error rate of molecular communication with timing modulation in terms of two IDC parameters.

Original language	English
Pages (from-to)	1975-1979
Number of pages	5
Journal	IEEE Wireless Communications Letters
Volume	11
Issue number	9
DOIs	https://doi.org/10.1109/LWC.2022.3190325
Publication status	Published - 2022 Sept 1

Bibliographical note

Funding Information:
This work was supported in part by the Basic Science Research Program through the NRF of Korea funded by the MSIT under Grant NRF-2021R1A2C1008913 and Grant NRF-2020R1A2C4001941.

Publisher Copyright:
© 2012 IEEE.

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Electrical and Electronic Engineering

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10.1109/LWC.2022.3190325

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abstract = "We consider an inhomogeneous diffusion channel (IDC) for molecular communication, where the diffusivities vary in space. We first study the statistical properties of molecular noise. These properties can be fully characterized by two IDC parameters related to a space-dependent diffusion coefficient and a constant drift velocity. We then characterize a noise power for the IDC by introducing the concept of geometric noise power since the molecular noise can be a heavy-tailed distribution. Finally, we derive the bit error rate of molecular communication with timing modulation in terms of two IDC parameters.",

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Molecular Communication in Inhomogeneous Diffusion Channels

Abstract

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