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MC-MAC: a multi-channel based MAC scheme for interference mitigation in WBANs
State Key Laboratory of Integrated Services Networks, Xidian University.
State Key Laboratory of Integrated Services Networks, Xidian University.
State Key Laboratory of Integrated Services Networks, Xidian University.
Department of Computer and Software Technology, University of Swat.
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Number of Authors: 5
2016 (English)In: Wireless networks, ISSN 1022-0038, E-ISSN 1572-8196Article in journal (Refereed) Epub ahead of print
Abstract [en]

Wireless body area networks (WBANs) support the inter-operability of biomedical sensors and medical institutions with convenience and high-efficiency, which makes it an appropriate solution for the pervasive healthcare. Typically, WBANs comprise in-body or around-body sensor nodes for collecting data of physiological feature. Therefore, the efficient medium access control (MAC) protocol is a crucial paramount to coordinate these devices and forward data to the medical center in an efficient and reliable way. However, the extensive use of wireless channel and coexistence of WBANs may result in inevitable interference which will cause performance degradation. Besides, contention-based access in single channel in WBANs is less efficient for dense medical traffic on account of large packet delay, energy consumption and low priority starvation. To address these issues above, we propose a multi-channel MAC (MC-MAC) scheme to obtain better network performance. Considering the characteristic and emergency degree of medical traffic, we introduce a novel channel mapping and selection mechanism, cooperating with conflict avoidance strategy, to organize nodes to access available channels without collisions. In addition, we have evaluated the performance of MC-MAC and the standard IEEE 802.15.6 via simulation and hardware test. The test is conducted by hardware platform based on prototype system of WBANs. Both of the analysis and simulation results show that MC-MAC outperforms the IEEE 802.15.6 in terms of packet delay, throughput, packet error rate and frame error rate

Place, publisher, year, edition, pages
2016.
National Category
Media and Communication Technology
Research subject
Mobile and Pervasive Computing
Identifiers
URN: urn:nbn:se:ltu:diva-59832DOI: 10.1007/s11276-016-1366-0ScopusID: 2-s2.0-84987642064OAI: oai:DiVA.org:ltu-59832DiVA: diva2:1038652
Available from: 2016-10-19 Created: 2016-10-19 Last updated: 2016-12-05

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Vasilakos, Athanasios
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