A method and device for the distributed execution of tasks by means of a personal digital mobile device in a low power radio network. The invention utilizes a personal digital mobile device (PDMD), to store tasks until conditions are detected in which the task can be executed. In a first step a task...http://www.google.com.hk/patents/US20030054765?utm_source=gb-gplus-share專利 US20030054765 - Method and device for the distributed execution of tasks by means of a personal digital mobile device in a low power radio network