HybridLQI: Hybrid MultihopLQI for Improving Asymmetric Links in Wireless Sensor Networks
作者： Ashish Gupta , Mohit Sharma , Michel Marot , Monique Becker
DOI: 10.1109/AICT.2010.58
关键词:
摘要: The article proposes HybridLQI to improve the performance of MultihopLQI in asymmetrical wireless links sensor networks. Every node can maintain number messages it sends each its neighbours and how many them are acknowledged, packet loss percentage over be calculated. Link Quality Indicator (LQI) is used estimate downlink channel. Therefore, without adding any extra cost network, bi-directional channel quality Asymmetrical created by setting Base Station transmitting at higher power than other nodes. This approach a dense network improves message received up 20% for whole network. For sparse networks with nodes straight line having direct sight, this reception 350% which 3 hops away from Station. All results based on experiments performed real platform.
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