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Optimal Network QoS over the Internet of Vehicles for E-Health Applications
School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu.
School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu.
Department of Electrical and Computer Engineering, McGill University, Montreal.
School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu.
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2016 (English)In: International Journal of Mobile Information Systems, ISSN 1574-017X, E-ISSN 1875-905X, Vol. 2016, article id 5140486Article in journal (Refereed) Published
Abstract [en]

Wireless technologies are pervasive to support ubiquitous healthcare applications. However, a critical issue of using wireless communications under a healthcare scenario is the electromagnetic interference (EMI) caused by RF transmission, and a high level of EMI may lead to a critical malfunction of medical sensors. In consideration of EMI on medical sensors, we study the optimization of quality of service (QoS) within the whole Internet of vehicles for E-health and propose a novel model to optimize the QoS by allocating the transmit power of each user. Our results show that the optimal power control policy depends on the objective of optimization problems: a greedy policy is optimal to maximize the summation of QoS of each user, whereas a fair policy is optimal to maximize the product of QoS of each user. Algorithms are taken to derive the optimal policies, and numerical results of optimizing QoS are presented for both objectives and QoS constraints.

Place, publisher, year, edition, pages
2016. Vol. 2016, article id 5140486
National Category
Media and Communication Technology
Research subject
Mobile and Pervasive Computing
Identifiers
URN: urn:nbn:se:ltu:diva-11288DOI: 10.1155/2016/5140486ISI: 000371499000001Scopus ID: 2-s2.0-84960982166Local ID: a3893637-6ef6-4722-9a24-583e50ca8c30OAI: oai:DiVA.org:ltu-11288DiVA, id: diva2:984238
Note
Validerad; 2016; Nivå 2; 20160329 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Vasilakos, Athanasios

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