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Delay and energy consumption analysis of priority guaranteed MAC protocol for wireless body area networks
COMSATS Institute of Information Technology, Islamabad.
COMSATS Institute of Information Technology, Islamabad.
College of Computer and Information Sciences, Almuzahmiyah, King Saud University.
Faculty of Engineering, Dalhousie University, Halifax, NS.
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2017 (Engelska)Ingår i: Wireless networks, ISSN 1022-0038, E-ISSN 1572-8196, Vol. 23, nr 4, s. 1249-1266Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Wireless body area networks are captivating growing interest because of their suitability for wide range of applications. However, network lifetime is one of the most prominent barriers in deploying these networks for most applications. Moreover, most of these applications have stringent QoS requirements such as delay and throughput. In this paper, the modified superframe structure of IEEE 802.15.4 based MAC protocol is proposed which addresses the aforementioned problems and improves the energy consumption efficiency. Moreover, priority guaranteed CSMA/CA mechanism is used where different priorities are assigned to body nodes by adjusting the data type and size. In order to save energy, a wake-up radio based mechanism to control sleep and active modes of body sensors are used. Furthermore, a discrete time finite state Markov model to find the node states is used. Analytical expressions are derived to model and analyze the behavior of average energy consumption, throughput, packet drop probability, and average delay during normal and emergency data. Extensive simulations are conducted for analysis and validation of the proposed mechanism. Results show that the average energy consumption and delay are relatively higher during emergency data transmission with acknowledgment mode due to data collision and retransmission.

Ort, förlag, år, upplaga, sidor
Springer, 2017. Vol. 23, nr 4, s. 1249-1266
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URN: urn:nbn:se:ltu:diva-11060DOI: 10.1007/s11276-016-1199-xISI: 000399341500019Scopus ID: 2-s2.0-85017456198Lokalt ID: 9f783275-7e15-4305-a39f-a8316e429515OAI: oai:DiVA.org:ltu-11060DiVA, id: diva2:984009
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Validerad; 2017; Nivå 2; 2017-04-12 (rokbeg)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-09-14Bibliografiskt granskad

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