Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8794
Title: Covert Electromagnetic Nanoscale Communication System in the Terahertz Channel
Authors: Ahmed, Areeb
Savacı, Ferit Acar
Keywords: Random communication systems
alpha-stable noise
terahertz band
transparency window
Issue Date: 2020
Publisher: World Scientific Publishing Co. Pte Ltd
Abstract: In this paper, an electromagnetic nano random communication system (EM-nRCS) has been proposed which ensures covert communication in the terahertz (THz) band. In the proposed system, the skewed alpha-stable noise shift keying method has been used to transmit random noise signals (RNSs) from the nano-transmitter (NT) by utilizing single-walled/carbon nanotubes-based true random number generator (SWCNTs-TRNG) and a graphene-based nano-antenna. A line-of-sight THz transparency window between 0.1 THz and 0.5 THz in the THz channel with spreading loss, molecular absorption loss and molecular absorption noise has been considered. Due to the broadband nature of the RNSs, the proposed EM-nRCS provides efficient transmission by overcoming the high path loss and intense channel noise arising from random fluctuations in the THz band. Non-coherent nano-receiver (NR) consisting of the modified extreme value method (MEVM) estimator has been proposed to extract the hidden binary information in the received RNSs. The bit error rate performance shows that the proposed EM-nRCS ensures high performance and covertness for future EM nanoscale communication devices.
Description: WOS: 000542924900011
URI: https://doi.org/10.1142/S0218126620501261
https://hdl.handle.net/11147/8794
ISSN: 0218-1266
1793-6454
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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