A Novel Weighting Factor Method in NLOS Environment
2
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Non-line-of-sight (NLOS) error is the most common and also a major source of errors in wireless location system. A novel weighting factor (NWF) method is presented in this paper, based on the RSS(Received Signal Strength) measurements, path loss model and Circular Disk of Scatterers Model (CDSM). The proposed positioning method effectively weighted the TOA distance measurements for each Base Station (BS). Simulation results show that the proposed method efficiently weighted the distance measurements and achieve higher localization accuracy than that of Linear Line of Position (LLOP) and Believable Factor Algorithm (BFA).
Abstract
Non-line-of-sight (NLOS) error is the most common and also a major source of errors in wireless location system. A novel weighting factor (NWF) method is presented in this paper, based on the RSS(Received Signal Strength) measurements, path loss model and Circular Disk of Scatterers Model (CDSM). The proposed positioning method effectively weighted the TOA distance measurements for each Base Station (BS). Simulation results show that the proposed method efficiently weighted the distance measurements and achieve higher localization accuracy than that of Linear Line of Position (LLOP) and Believable Factor Algorithm (BFA).
참고문헌 (11)
- T. S. Rappaort, "Position using wireless communication on highways of the future", IEEE Communication Magazine, 34, pp.33~41 (1996)
- Kegen Yu, "Statistical NLOS identification based on AOA, TOA and signal strength", IEEE transactions on vehicular technology, 58 (2009)
- S. Gezici, "Nonparametric nonline-of-sight identification", Proceedings of the 58th IEEE Vehicular Technology Conference, 4, pp.2544~2548 (2004)
- S. Al-Jazzar, "Scattering-model-based methods for TOA location in NLOS environments", IEEE Trans. On Veh. Techn, 56(2), pp.583~593 (2007)
- R.Janaswamy, "Angle and time of arrival statistics for the Gaussian scatter density model", IEEE Trans. Wireless Commun, 1(3), pp.488~497 (2002)
- Richard B. Ertel, "Angle an time of arrival statistics for circular and elliptical scattering models", IEEE Journal on selected areas in communications, 17(11), pp.1829~1839 (1999)
- S. Venkatraman, "Location using LOS range estimation in NLOS environments", IEEE VTC 2002 Spring, 2, pp.856~860 (2002)
- H. Yan, "A TOA based believable factor mobile location algorithm", IEEE WCNC, pp.260~263 (2004)
- N. Patwari, "Locating the nodes:cooperative localization in wireless sensor network", IEEE Transactions Signal Processing Magazine, pp.54~69 (2004)
- L. Gordon, "Principles of mobile communication" (1996), Kluwer Academic Publishers
- J.Caffery, "A New approach to the geometry of TOA location", pp.1943~1949 (2000), IEEE VTS Fall VTC 2000