Title:
MAIN POWER AREA ESTIMATION DEVICE AND MAIN POWER AREA ESTIMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2013/118681
Kind Code:
A1
Abstract:
A GPS position information acquisition unit (601) and a delay position information acquisition unit (602) acquire delay information, PRACH-PD position information and GPS position information. A main power area estimation unit (613) calculates the distribution of mobile devices (100) on the basis of the delay information, PRACH-PD position information, or GPS position information. Furthermore, the main power area estimation unit (613) estimates, on the basis of the calculated distribution of mobile devices (100) and the positions of antennas (201), the radius of a main power area wherein sectors to be estimated constitute the main power.
Inventors:
OYABU YUKI (JP)
TERADA MASAYUKI (JP)
OKAJIMA ICHIRO (JP)
TERADA MASAYUKI (JP)
OKAJIMA ICHIRO (JP)
Application Number:
PCT/JP2013/052480
Publication Date:
August 15, 2013
Filing Date:
February 04, 2013
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04W16/18; H04W24/08
Domestic Patent References:
| WO2010113379A1 | 2010-10-07 |
Foreign References:
| JP2004201012A | 2004-07-15 | |||
| JP2007089018A | 2007-04-05 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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Claims: