Noel, Adam, Cheung, Karen C. and Schober, Robert (2014) Optimal receiver design for diffusive molecular communication with flow and additive noise. IEEE Transactions on NanoBioscience, 13 (3). pp. 350-362. doi:10.1109/TNB.2014.2337239 ISSN 1536-1241.

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Abstract

In this paper, we perform receiver design for a diffusive molecular communication environment. Our model includes flow in any direction, sources of information molecules in addition to the transmitter, and enzymes in the propagation environment to mitigate intersymbol interference. We characterize the mutual information between receiver observations to show how often independent observations can be made. We derive the maximum likelihood sequence detector to provide a lower bound on the bit error probability. We propose the family of weighted sum detectors for more practical implementation and derive their expected bit error probability. Under certain conditions, the performance of the optimal weighted sum detector is shown to be equivalent to a matched filter. Receiver simulation results show the tradeoff in detector complexity versus achievable bit error probability, and that a slow flow in any direction can improve the performance of a weighted sum detector.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Journal or Publication Title:	IEEE Transactions on NanoBioscience
Publisher:	IEEE
ISSN:	1536-1241
Official Date:	2014
Dates:	Date Event 2014 Published
Volume:	13
Number:	3
Page Range:	pp. 350-362
DOI:	10.1109/TNB.2014.2337239
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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