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Performance Enhancement in IEEE 802.15.4 Wireless Sensor Networks by Link-Quality Based Node Grouping
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- Authors
- Taejoon Kim, Young-il Kim, Won Ryu, Jong-Tae Lim
- Issue Date
- 2013-01
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2013, pp.645-648
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- IEEE 802.15.4 is the most successful low-rate wireless personal area network (LR-WPAN) standard enabling the deployment of wireless sensor networks (WSNs). However, in WSNs, each node has a limited communication range and battery lifetime. Moreover, sensor nodes may be scattered over a wide area. Hence, a hidden node collision is a crucial factor affecting the overall performance of WSNs. In this letter, we propose an advanced mechanism of mitigating the hidden node collision by grouping sensor nodes according to the link-quality indicator (LQI) information. © 2013 GIRI.
- KSP Keywords
- Hidden nodes, IEEE 802.15.4, LR-WPAN, Limited communication range, Link Quality, Low-rate, Overall performance, Quality indicator, Sensor node, Wide area, Wireless Personal Area Network(WPAN)