Analytical Characterisation of the Terahertz In-Vivo Nano-Network in the Presence of Interference Based on TS-OOK Communication Scheme

Rui Zhang, Ke Yang, Qammer H. Abbasi, Khalid Qaraqe, Akram Alomainy

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The envisioned dense nano-network inside the human body at terahertz (THz) frequency suffers a communication performance degradation among nano-devices. The reason for this performance limitation is not only the path loss and molecular absorption noise, but also the presence of multi-user interference and the interference caused by utilising any communication scheme, such as time spread ON-OFF keying (TS-OOK). In this paper, an interference model utilising TS-OOK as a communication scheme of the THz communication channel inside the human body has been developed and the probability distribution of signal-to-interference-plus-noise ratio (SINR) for THz communication within different human tissues, such as blood, skin, and fat, has been analyzed and presented. In addition, this paper evaluates the performance degradation by investigating the mean values of SINR under different node densities in the area and the probabilities of transmitting pulses. It results in the conclusion that the interference restrains the achievable communication distance to approximate 1 mm, and more specific range depends on the particular transmission circumstance. Results presented in this paper also show that by controlling the pulse transmission probability and node density, the system performance can be ameliorated. In particular, SINR of in vivo THz communication between the deterministic targeted transmitter and the receiver with random interfering nodes in the medium improves about 10 dB, when the node density decreases one order. The SINR increases approximate 5 and 2 dB, when the pulse transmitting probability drops from 0.5 to 0.1 and 0.9 to 0.5.

Original languageEnglish
Article number7945235
Pages (from-to)10172-10181
Number of pages10
JournalIEEE Access
Volume5
DOIs
Publication statusPublished - 1 Jan 2017

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Communication
Degradation
Oils and fats
Probability distributions
Transmitters
Skin
Blood
Fats
Tissue

Keywords

  • body-centric nano-networks
  • Interference
  • signal-to-interference-plus-noise ratio
  • time spread on-off keying

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Analytical Characterisation of the Terahertz In-Vivo Nano-Network in the Presence of Interference Based on TS-OOK Communication Scheme. / Zhang, Rui; Yang, Ke; Abbasi, Qammer H.; Qaraqe, Khalid; Alomainy, Akram.

In: IEEE Access, Vol. 5, 7945235, 01.01.2017, p. 10172-10181.

Research output: Contribution to journalArticle

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