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Towards high data-rate diffusive molecular communications: A review on performance enhancement strategies

Gursoy, M. C ; Sharif University of Technology | 2022

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  1. Type of Document: Article
  2. DOI: 10.1016/j.dsp.2021.103161
  3. Publisher: Elsevier Inc , 2022
  4. Abstract:
  5. Diffusive molecular communications (DiMC) have recently gained attention as a candidate for nano- to micro- and macro-scale communications due to its simplicity and energy efficiency. As signal propagation is solely enabled by Brownian motion mechanics, DiMC faces severe inter-symbol interference (ISI), which limits reliable and high data-rate communications. Herein, recent literature on DiMC performance enhancement strategies is surveyed; key research directions are identified. Signaling design and associated design constraints are presented. Studies on fundamental information theoretic limits of DiMC channel are reviewed. Classical and novel transceiver designs are discussed with an emphasis on methods for ISI mitigation and performance-complexity tradeoffs. Key parameter estimation strategies such as synchronization and channel estimation are considered in conjunction with asynchronous and timing error robust receiver methods. Finally, source and channel coding in the context of DiMC is presented. © 2021 Elsevier Inc
  6. Keywords:
  7. Coding ; Detection and equalization ; Diffusive molecular communications ; Modulation ; Synchronization ; Transceiver design ; Energy efficiency ; Information theory ; Intersymbol interference ; Design constraints ; Estimation strategies ; High data rate communications ; Information-theoretic limits ; Molecular communication ; Performance enhancements ; Performance-complexity tradeoffs ; Source and channel coding ; Channel estimation
  8. Source: Digital Signal Processing: A Review Journal ; Volume 124 , 2022 ; 10512004 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/abs/pii/S1051200421002001