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Journal of Medical Systems

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01.10.2011 | ORIGINAL PAPER

RACOON: A Multiuser QoS Design for Mobile Wireless Body Area Networks

verfasst von: ShihHeng Cheng, ChingYao Huang, Chun Chen Tu

Erschienen in: Journal of Medical Systems | Ausgabe 5/2011

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Abstract

In this study, Random Contention-based Resource Allocation (RACOON) medium access control (MAC) protocol is proposed to support the quality of service (QoS) for multi-user mobile wireless body area networks (WBANs). Different from existing QoS designs that focus on a single WBAN, a multiuser WBAN QoS should further consider both inter-WBAN interference and inter-WBAN priorities. Similar problems have been studied in both overlapped wireless local area networks (WLANs) and Bluetooth piconets that need QoS supports. However, these solutions are designed for non-medical transmissions that do not consider any priority scheme for medical applications. Most importantly, these studies focus on only static or low mobility networks. Network mobility of WBANs will introduce unnecessary inter-network collisions and energy waste, which are not considered by these solutions. The proposed multiuser-QoS protocol, RACOON, simultaneously satisfies the inter WBAN QoS requirements and overcomes the performance degradation caused by WBAN mobility. Simulation results verify that RACOON provides better latency and energy control, as compared with WBAN QoS protocols without considering the inter-WBAN requirements.

The original interference-avoidance scheme of BodyQoS is a Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol. A random scheduling is used to simulate the random backoff skill of CSMA/CA.

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Titel: RACOON: A Multiuser QoS Design for Mobile Wireless Body Area Networks
verfasst von: ShihHeng Cheng
ChingYao Huang
Chun Chen Tu
Publikationsdatum: 01.10.2011
Verlag: Springer US
Erschienen in: Journal of Medical Systems / Ausgabe 5/2011
Print ISSN: 0148-5598
Elektronische ISSN: 1573-689X
DOI: https://doi.org/10.1007/s10916-011-9676-3

Springer Medizin

Abstract

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