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Symbol-by-symbol maximum likelihood detection for cooperative molecular communication
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Fang, Yuting, Noel, Adam, Yang, Nan, Eckford, Andrew W. and Kennedy, Rodney A. (2019) Symbol-by-symbol maximum likelihood detection for cooperative molecular communication. IEEE Transactions on Communications, 67 (7). pp. 4885-4899. doi:10.1109/TCOMM.2019.2910265 ISSN 0090-6778.
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Official URL: https://doi.org/10.1109/TCOMM.2019.2910265
Abstract
In this paper, symbol-by-symbol maximum likelihood (ML) detection is proposed for a cooperative diffusion-based molecular communication (MC) system. In this system, the transmitter (TX) sends a common information symbol to multiple receivers (RXs) and a fusion center (FC) chooses the TX symbol that is more likely, given the likelihood of its observations from all RXs. The transmission of a sequence of binary symbols and the resultant intersymbol interference are considered in the cooperative MC system. Three ML detection variants are proposed according to different RX behaviors and different knowledge at the FC. The system error probabilities for two ML detector variants are derived, one of which is in closed form. The optimal molecule allocation among RXs to minimize the system error probability of one variant is determined by solving a joint optimization problem. Also for this variant, the equal distribution of molecules among two symmetric RXs is analytically shown to achieve the local minimal error probability. Numerical and simulation results show that the ML detection variants provide lower bounds on the error performance of simpler, non-ML cooperative variants and demonstrate that these simpler cooperative variants have error performance comparable to ML detectors.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Library of Congress Subject Headings (LCSH): | Molecular communication (Telecommunication) | ||||||||
Journal or Publication Title: | IEEE Transactions on Communications | ||||||||
Publisher: | IEEE | ||||||||
ISSN: | 0090-6778 | ||||||||
Official Date: | July 2019 | ||||||||
Dates: |
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Volume: | 67 | ||||||||
Number: | 7 | ||||||||
Page Range: | pp. 4885-4899 | ||||||||
DOI: | 10.1109/TCOMM.2019.2910265 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 21 May 2019 | ||||||||
Date of first compliant Open Access: | 22 May 2019 | ||||||||
Related URLs: | |||||||||
Open Access Version: |
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