Title
A novel angle of arrival (AOA) positioning algorithm aided by location reliability prior information
Abstract
Recently, the indoor positioning system based on the angle of arrival (AOA) has been widely concerned. The positioning system often contains two steps. The first step is the AOA estimation algorithm and the second step is the positioning algorithm using the estimated AOAs. However, due to the indoor signal multipath propagation, the AOA estimation errors can lower the positioning performance. To solve this problem, this paper proposes a novel angle of arrival (AOA) positioning algorithm which selects multiple candidate AOAs and selects the most reliable one from them. When multiple candidate AOAs are selected and passed into the positioning algorithm, multiple estimated locations can be obtained. To select the most reliable AOA, the location reliability prior information related to these estimated locations is introduced. The AOA with the maximum location reliability prior information is the final AOA estimation result and its corresponding estimated location is the final positioning result. The simulation results show that compared with the positioning algorithm which directly uses one AOA for positioning, the proposed positioning algorithm provides better positioning performance.
Year
DOI
Venue
2021
10.1109/WCNC49053.2021.9417489
2021 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC)
Keywords
DocType
ISSN
multiple candidate AOAs, location reliability prior information, positioning
Conference
1525-3511
Citations 
PageRank 
References 
0
0.34
0
Authors
4
Name
Order
Citations
PageRank
Qing Zhu100.34
Kai Niu256186.80
Chao Dong32415.66
Yi Wang4185.70