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Patent Searching and Data


Title:
RECEPTION APPARATUS AND RECEPTION METHOD, AND PROGRAM AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/179259
Kind Code:
A1
Abstract:
According to the present invention, radio waves are received from a transmitter using an array antenna, and an incoming direction of a direct wave is estimated by: estimating a delay time of an incoming wave through super-resolution processing from a transmission-path estimation result (13); eliminating an incoming-wave component corresponding to a delay time determined to be longer than or equal to a threshold from the transmission-path estimation result (15); extracting direct wave components by separating incoming-wave components obtained after the elimination (17) from each other; and estimating an arrival angle (19). The incoming direction of the direct wave can be correctly estimated in an environment in which a delay wave having a short delay time is present. In addition, the amount of calculation can be reduced even when super-decomposition processing is performed.

Inventors:
ITO NAOSUKE (JP)
SHIMBO DAISUKE (JP)
Application Number:
PCT/JP2017/002101
Publication Date:
October 19, 2017
Filing Date:
January 23, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04B7/10; H04B17/364; H04J99/00
Domestic Patent References:
WO2011086609A12011-07-21
WO2016132591A12016-08-25
Foreign References:
JP2001308760A2001-11-02
Other References:
FUYUKI FUKUSHIMA ET AL.: "Super-Resolution Estimation Method of Arrival Time of Multiple Coherent Signals with Sliding Time Gate", IPSJ SIG NOTES, vol. 2007, no. 90, 18 September 2007 (2007-09-18)
Attorney, Agent or Firm:
MAEDA Minoru et al. (JP)
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