Performance Improvement of AOA Positioning using A Two-Step Plan Based on Factor Graphs and the Gauss-Newton Method
سال انتشار: 1388
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,940
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شناسه ملی سند علمی:
CSICC14_100
تاریخ نمایه سازی: 24 خرداد 1388
چکیده مقاله:
In this paper a two step method based on Gauss- Newton and factor graphs algorithm is proposed for localization to enhance accuracy of localization. The Gauss-Newton algorithm is accurate method for positioning. The most important challenge of this method is senility to initial point; this problem is solved in positioning based on factor graphs. So, in this paper, first positioning equations using angle of arrival is considered based on factor graphs algorithm. Second, final location estimation is performed using Gauss Newton algorithm with error near to Cramer-Rao bound. Simulation results shows that positioning error using two step method has maximum 6% gap to Cramer-Rao Bound.
نویسندگان
Behzad Omidali
Iran University of Science and technology, Department of Electrical Engineering
S Ali-Asghar Beheshti Shirazi
Iran University of Science and technology, Department of Electrical Engineering