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Just a little about the wireless body area network. So much is now well researched and you can find valuable info at

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Wireless Engineering and Technology > Vol.9 No.2, April 2018
Hybrid IEEE 802.15.6 Wireless Body Area Networks
Interference Mitigation Model for High Mobility Interference Scenarios
Anthony Mile, George Okeyo, Ann Kibe
School of Computing and Information Technology, Jomo Kenyatta University of Agriculture and
Technology, Nairobi, Kenya.
DOI: 10.4236/wet.2018.92004 PDF HTML XML 1,347 Downloads 3,030 Views Citations
The field of Wireless Sensor Networks (WSNs) has revolutionized tremendously in the recent past
with its major application in Wireless Body Area Networks (WBANs). This has in the same dimension
attracted immense interests from the researchers and technology providers. The operational modality
of the WBANs is that a few sensor nodes are placed in or around the body and that they are meant to
operate within a limited condition while providing high performance in terms of WBAN life time, high
throughput, high data reliability, minimum or no delay and low power consumption. As most of the
WBAN operates within the universal Industrial, Scientific and Medical (ISM) Narrow Band (NB)
wireless band (2.4 Ghz) frequency band, this has posed a challenge in respect to inter, intra and cochannel interference especially in dense areas and high mobility scenarios. As well the body posture
changes dynamically due to these mobility effects. In this paper, we propose a hybrid WBAN
interference mitigation model based on Carrier Sense Multiple Access with Collision Avoidance
(CSMA/CA) Contention Window (CW) approach and User Priority (UP) queues. Using Omnet++
simulation, a comparison to the IEEE 802.15.6 based WBAN protocol is presented under the
standing, walking sitting and Lying postural mobility scenarios. The results show that the proposed
hybrid model outperforms IEEE 802.15.6 based CSMA/CA protocol in areas of network throughput,
bandwidth efficiency and network delay in these mobility postures.
IEEE 802.15.6, Interference Mitigation, WBAN Mobility, Priority Queues, CSMA/CA

A comment I love:

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