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Proceedings Paper

Research and implement on separation of subchip multipath components for RSSI-based location application
Author(s): Jufeng Luo; Leilei Zhou; Yongsheng Xie; Yaoxian Fu
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Paper Abstract

The RSSI-based location is easy to be affected by multipath interference in wireless sensor networks. The traditional RSSI-based location methods usually increase the number of samples to resist multipath interference while few works done on physical layer. In this paper, we study to separate subchip multipath components for RSSI-based location application, the direct path can be separated among multipath by despreaded using the first sample of each chip, after calculating the direct path’s power we can get the anti-multipath interference’s RSSI value. The theoretical analysis of the performance of separating subchip multipath, signal-to-noise(SNR) losses are presented. Finally, the simulation and experiment show the variance of RSSI value calculated by the traditional method and the proposal in this paper, the proposed method achieves better performance than the traditional method under multipath channel environment.

Paper Details

Date Published: 14 March 2013
PDF: 8 pages
Proc. SPIE 8768, International Conference on Graphic and Image Processing (ICGIP 2012), 87685X (14 March 2013); doi: 10.1117/12.2012481
Show Author Affiliations
Jufeng Luo, Shanghai Institute of Microsystem and Information Technology (China)
Leilei Zhou, Shanghai Institute of Microsystem and Information Technology (China)
Yongsheng Xie, Shanghai Institute of Microsystem and Information Technology (China)
Yaoxian Fu, Shanghai Institute of Microsystem and Information Technology (China)


Published in SPIE Proceedings Vol. 8768:
International Conference on Graphic and Image Processing (ICGIP 2012)
Zeng Zhu, Editor(s)

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