Title:
基準位置情報補正方法、サーバシステム及び基凖位置情報補正システム
Document Type and Number:
Japanese Patent JP4262748
Kind Code:
B2
Abstract:
A method for correcting reference position information to improve a convenience for a user, is provided. In a terminal unit 80, when location information request is made, the cellular phone 20 requests for assistance information, to assistance server 50. The assistance server 50 transmits the assistance information to it and acquires the location information of it. A reference position information correction judging section 62 of the assistance server 50, commands for saving the location information in a location information storage and saving section 65, and judges to perform a correction. Next, a reference position information correcting section 63 calculates a corrected reference position 92 based on the location information of that cell stored in the location information storage and saving section 65. The corrected reference position 92 is notified to a database section 64, and is set as the reference position information of the cell.
Inventors:
Seiichi Kawakami
Atsushi Sakamoto
Atsushi Sakamoto
Application Number:
JP2006527203A
Publication Date:
May 13, 2009
Filing Date:
August 25, 2005
Export Citation:
Assignee:
Softbank Mobile Co., Ltd.
International Classes:
H04W64/00; G01S19/05; G01S19/12; G01S19/25; G01S19/48; H04M3/42; H04W8/08; H04W60/00; H04W8/10
Domestic Patent References:
| JP2003319438A | ||||
| JP200432376A |
Foreign References:
| WO2003040747A2 |
Attorney, Agent or Firm:
Shibata Goo