Abstract
Indoor positioning system in wireless local area network (WLAN) has been receiving increasing interest in pervasive computing applications. To keep balance between energy consumption on client device and positioning accuracy, AP selection strategy is always proposed to select the most discriminant APs for positioning. In this paper, we propose an intelligent AP selection method based on joint location information gain. In contrast to traditional AP selection methods which measure the discriminant ability of APs independently, we consider it jointly. By considering the correlation of the discriminant ability between different APs, more accurate measure of the discriminant ability can be taken. Besides, support vector regression (SVR) positioning algorithm is combined to estimate the location. Experiments are carried in a realistic WLAN indoor environment. Experimental results show that, by using the intelligent AP selection method, the proposed positioning algorithm maintains a high-level accuracy while reducing the energy consumption on client device significantly.
| Original language | English |
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| Title of host publication | Proceedings of the 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011 |
| Pages | 257-261 |
| Number of pages | 5 |
| DOIs | |
| State | Published - 2011 |
| Event | 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011 - Harbin, China Duration: 17 Aug 2011 → 19 Aug 2011 |
Publication series
| Name | Proceedings of the 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011 |
|---|
Conference
| Conference | 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011 |
|---|---|
| Country/Territory | China |
| City | Harbin |
| Period | 17/08/11 → 19/08/11 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- AP selection
- indoor positioning
- support vector regression
- wireless local area network (WLAN)
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