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Relay assisted nanoscale communication in the Terahertz Band

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Rong, Zichao, Leeson, Mark S. and Higgins, Matthew D. (2017) Relay assisted nanoscale communication in the Terahertz Band. Micro and Nano Letters , 12 (6). pp. 373-376. doi:10.1049/mnl.2017.0016

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Abstract

In this letter, we investigate the bit error rate (BER) performance of a cooperative relaying transmission scheme for wireless nanosensor networks in the Terahertz (THz) Band. We consider nanosensor networks comprising several graphene-based devices deployed at the nanoscale. Both amplify-and-forward (AF) and decode-and-forward (DF) relaying modes are studied. We consider a line-of-sight (LOS) channel model in the THz band which takes into account both spreading loss and molecular absorption loss. Given the high path loss and level of noise from significant random fluctuations through the THz channel, relay assisted schemes offer advantages in terms of significant performance improvements. To quantify the likely benefits, we derive the predicted bit error rate (BER) of the proposed scheme. We conduct a simulation of the proposed relay schemes based on the THz LOS channel model utilizing a Monte-Carlo method. The results obtained show that a performance improvement of 2.2 dB for AF and of 5 dB for DF is achievable at a target bit error rate (BER) of 10-5.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Engineering
Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Bit error rate, Terahertz technology, Wireless sensor networks, Nanotechnology
Journal or Publication Title: Micro and Nano Letters
Publisher: IET
ISSN: 1750-0443
Official Date: 1 June 2017
Dates:
DateEvent
1 June 2017Published
14 February 2017Accepted
Volume: 12
Number: 6
Page Range: pp. 373-376
DOI: 10.1049/mnl.2017.0016
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
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