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Optimal Haptic Communications Over Nanonetworks for E-Health Systems

Authors
Feng, LiAli, AmjadIqbal, MuddesarBashir, Ali KashifHussain, Syed AsadPack, Sangheon
Issue Date
5월-2019
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
5G; e-health; energy harvesting; haptic communication; nanonetwork; stochastic optimization; tactile Internet
Citation
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS, v.15, no.5, pp.3016 - 3027
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
Volume
15
Number
5
Start Page
3016
End Page
3027
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/65868
DOI
10.1109/TII.2019.2902604
ISSN
1551-3203
Abstract
A Tactile Internet-based nanonetwork is an emerging field that promises a new range of e-health applications, in which human operators can efficiently operate and control devices at the nanoscale for remote-patient treatment. A haptic feedback is inevitable for establishing a link between the operator and unknown in-body environment. However, haptic communications over the terahertz band may incur significant path loss due to molecular absorption. In this paper, we propose an optimization framework for haptic communications over nanonetworks, in which in-body nanodevices transmit haptic information to an operator via the terahertz band. By considering the properties of the terahertz band, we employ Brownian motion to describe the mobility of the nanodevices and develop a time-variant terahertz channel model. Furthermore, based on the developed channel model, we construct a stochastic optimization problem for improving haptic communications under the constraints of system stability, energy consumption, and latency. To solve the formulated nonconvex stochastic problem, an improved time-varying particle swarm optimization algorithm is presented, which can deal with the constraints of the problem efficiently by reducing the convergence time significantly. The simulation results validate the theoretical analysis of the proposed system.
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Pack, Sang heon
공과대학 (전기전자공학부)
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