TY - GEN
T1 - Event-based location dependent data services in mobile WSNs
AU - Hong, Liang
AU - Wu, Yafeng
AU - Son, Sang H.
AU - Lu, Yansheng
PY - 2009
Y1 - 2009
N2 - Mobile sensors are widely deployed in Wireless Sensor Networks (WSNs) to satisfy emerging application requirements. Specifically, processing location dependent queries in mobile WSNs is still a challenging problem due to sensor mobility. We present an Event-based Location Dependent Query (ELDQ) model that continuously aggregate data in specific areas around mobile sensors of interests to provide event-based location dependent data services to the users. ELDQs generalize several typical query types and are important in many applications. However, existing approaches are incapable of efficiently answering ELDQs. In this paper, we propose a set of techniques to process ELDQs while optimizing system performance. Cost analysis and simulation results indicate that our techniques greatly reduce the cost of processing ELDQs while achieving relatively high accuracy and short response time.
AB - Mobile sensors are widely deployed in Wireless Sensor Networks (WSNs) to satisfy emerging application requirements. Specifically, processing location dependent queries in mobile WSNs is still a challenging problem due to sensor mobility. We present an Event-based Location Dependent Query (ELDQ) model that continuously aggregate data in specific areas around mobile sensors of interests to provide event-based location dependent data services to the users. ELDQs generalize several typical query types and are important in many applications. However, existing approaches are incapable of efficiently answering ELDQs. In this paper, we propose a set of techniques to process ELDQs while optimizing system performance. Cost analysis and simulation results indicate that our techniques greatly reduce the cost of processing ELDQs while achieving relatively high accuracy and short response time.
UR - https://www.scopus.com/pages/publications/72349094882
U2 - 10.1109/RTCSA.2009.42
DO - 10.1109/RTCSA.2009.42
M3 - Conference contribution
AN - SCOPUS:72349094882
SN - 9780769537870
T3 - Proceedings - 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, RTCSA 2009
SP - 331
EP - 340
BT - Proceedings - 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, RTCSA 2009
T2 - 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, RTCSA 2009
Y2 - 24 August 2009 through 26 August 2009
ER -