Title:
発信源推定方法およびそれを利用した発信源推定装置
Document Type and Number:
Japanese Patent JP6399512
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a technique of interpolating a database of positional fingerprints in at least one area of the bandwidth, frequency, and space.SOLUTION: A data set 40 collects channel impulse responses in a case where it receives transmission signals sent from various different position candidates, and more than one data set are stored so that the data sets correspond to different center frequencies, respectively. A plurality of bandwidth interpolation units 42 interpolate the bandwidth of each dataset based on a bandwidth estimated by a bandwidth estimation unit 30. A frequency interpolation part 44 interpolates the frequencies of the data sets interpolated by the bandwidth interpolation units 42 based on a center frequency estimated by a center frequency estimation unit 32.SELECTED DRAWING: Figure 2
Inventors:
Azril Haniz Bin Abdul Aziz
Tanzacan
Ryosuke Iwata
Kei Sakaguchi
Junichi Takada
Daisuke Hayashi
Toshihiro Yamaguchi
Shintaro Arata
Tanzacan
Ryosuke Iwata
Kei Sakaguchi
Junichi Takada
Daisuke Hayashi
Toshihiro Yamaguchi
Shintaro Arata
Application Number:
JP2014213902A
Publication Date:
October 03, 2018
Filing Date:
October 20, 2014
Export Citation:
Assignee:
National University Corporation Tokyo Institute of Technology
Photoelectric Manufacturing Co., Ltd.
Photoelectric Manufacturing Co., Ltd.
International Classes:
G01S5/02
Domestic Patent References:
| JP2009545934A | ||||
| JP2014502339A | ||||
| JP2007135228A | ||||
| JP2002186012A | ||||
| JP2001268622A |
Foreign References:
| US20130017007 |
Attorney, Agent or Firm:
Sakaki Morishita