Mobile middleware supporting context monitoring and context monitoring method using the same

摘要

Disclosed herein is mobile middleware, a context monitoring method, a context-aware system, and a context-aware service provision method, which support energy-efficient context monitoring. The mobile middleware receives a request for a CMQ from context-aware application programs, receives sensor data from sensors, monitors whether the CMQ is satisfied, and transmits an event to the context-aware application programs according to results of the monitoring. In this case, the mobile middleware controls the sensors so that only sensor data required to determine whether the CMQ is satisfied needs to be transmitted so as to reduce energy consumption during the performance of the monitoring. Therefore, the mobile middleware can perform energy-efficient context monitoring, required by the context-aware application programs.

主权项

1. Mobile middleware, comprising:
a Context Monitoring Query (CMQ) processor configured to store requested CMQs received from context-aware application programs, and configured to receive sensor data from at least one sensor, and configured to monitor whether the stored CMQs are satisfied with reference to the received sensor data, and configured to transmit an event to the context-aware application programs according to results of the monitoring; a Reduced Source Cover (RSC) manager configured to control activation of the at least one sensor so that only sensor data required to be used to determine whether the requested CMQ is satisfied is generated and transmitted to the Context Monitoring Query (CMQ) processor so as to reduce energy consumption during the performance of the monitoring a data processor configured to receive the sensor data from the sensors and to transmit the sensor data to the CMQ processor.