Delay Analysis of GTS Bridging between IEEE 802.15.4 and IEEE 802.11 Networks for Healthcare Applications
We consider interconnection of IEEE 802.15.4 beacon-enabled network cluster with IEEE 802.11b network. This scenario is important in healthcare applications where IEEE 802.15.4 nodes comprise patient's body area network (BAN) and are involved in sensing some health-related data. BAN nodes have...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2009-01-01
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| Series: | International Journal of Telemedicine and Applications |
| Online Access: | http://dx.doi.org/10.1155/2009/987046 |
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| Summary: | We consider interconnection of IEEE 802.15.4 beacon-enabled network cluster with IEEE 802.11b
network. This scenario is important in healthcare applications where IEEE 802.15.4 nodes comprise
patient's body area network (BAN) and are involved in sensing some health-related data. BAN nodes
have very short communication range in order to avoid harming patient's health and save energy.
Sensed data needs to be transmitted to an access point in the ward room using wireless technology
with higher transmission range and rate such as IEEE 802.11b. We model the interconnected network
where IEEE 802.15.4-based BAN operates in guaranteed time slot (GTS) mode, and IEEE 802.11b
part of the bridge conveys GTS superframe to the 802.11b access point. We then analyze the
network delays. Performance analysis is performed using EKG traffic from continuous telemetry, and
we discuss the delays of communication due the increasing number of patients. |
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| ISSN: | 1687-6415 1687-6423 |