| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile radio communication device capable of accurately calculating a present position. SOLUTION: Positional information on each from plural base stations is obtained. A receiving electric field intensity detecting means 16 for detecting the receiving electric field intensity of radio waves from each of the plural base stations is provided. A present position calculating means 20 calculates the present position from the positional information obtained from the plural base stations and the receiving electric field intensity from each of the plural base stations detected by the means 16. |
