Design and Development of a GPS Based Mobile Phone Content for Anti-Kidnapping System

In this paper, a mobile phone contents that make use of the mobile phone’s device features in an event of a kidnapping are presented. The algorithms of the two applications software - Location Tracker and Location Mapper - developed using J2ME are discussed, followed by the explanation of their features and operations. The comparison of total system time delay of standard GPS and Assisted GPS at different location is also included. The system relies on the SMS text messaging capability of the two mobiles phones as the communication medium without the need to add any extra hardware.