Locating apparatus, locating method and computer program storage product thereof for a mobile device

A locating apparatus for a mobile device with an initial speed, the locating apparatus comprising:

• a storage unit being configured to store the initial speed as initial speed information;
• a sensing unit being configured to sense acceleration information and height displacement information, the height displacement information is sensed by an altimeter of the sensing unit, and the height displacement information is adjusted by an LPF of the sensing unit to reduce abrupt variations in atmospheric pressure within a short time;
• a calculation unit being configured to calculate temporary displacement information according to the initial speed information, the acceleration information and a predetermined time interval, to calculate angle information according to the temporary displacement information and the modified height displacement information, to calculate modified acceleration information according to the acceleration information and the angle information, and to calculate composite displacement information according to the initial speed information, the modified acceleration information and the predetermined time interval;
• and
• a processing unit being configured to generate location information according to the composite displacement information and the modified height displacement information.

A computer program storage product, comprising a non-transitory tangible machine-readable medium having executable codes stored therein to cause an apparatus to perform a locating method for a mobile device with an initial speed, the executable codes comprising:

• a code A for enabling a storage unit to store the initial speed as initial speed information;
• a code B for enabling a sensing unit to sense acceleration information and height displacement information, wherein the height displacement information is sensed by an altimeter of the sensing unit;
• a code B1 for enabling an LPF to adjust the height displacement information to reduce abrupt variations in atmospheric pressure within a short time;
• a code C0 for enabling a calculation unit to calculate temporary displacement information according to the initial speed information, the acceleration information and a predetermined time interval, to calculate;
• a code C for enabling the calculation unit to calculate angle information according to the temporary displacement information and the modified height displacement information;
• a code D for enabling the calculation unit to calculate modified acceleration information according to the acceleration information and the angle information;
• a code E for enabling the calculation unit to calculate composite displacement information according to the initial speed information, the modified acceleration information and the predetermined time interval;
• and
• a code F for enabling a processing unit to generate location information according to the composite displacement information and the modified height displacement information.