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ICDCN
2009
Springer
15 years 8 months ago
Optimizing Multi-hop Queries in ZigBee Based Multi-sink Sensor Networks
Wireless sensor networks with multiple users collecting data directly from the sensors have many potential applications. An important problem is to allocate for each user a query r...
Bing Han, Gwendal Simon
WCNC
2008
IEEE
15 years 10 months ago
Distributed Energy Efficient Spectrum Access in Wireless Cognitive Radio Sensor Networks
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
Song Gao, Lijun Qian, Dhadesugoor R. Vaman
ICWN
2004
15 years 5 months ago
QoS Support in Wireless Sensor Networks: A Survey
In this paper, we assess the state of the art of Quality of Services (QoS) support in wireless sensor networks (WSNs). Unlike traditional end-to-end multimedia applications, many n...
Dazhi Chen, Pramod K. Varshney
COMCOM
2004
102views more  COMCOM 2004»
15 years 3 months ago
The distinctive design characteristic of a wireless sensor network: the energy map
The key challenge in the design of a wireless sensor network is maximizing its lifetime. This is a fundamental problem and new protocol engineering principles need to be establish...
Raquel A. F. Mini, Antonio Alfredo Ferreira Lourei...
MDM
2009
Springer
123views Communications» more  MDM 2009»
15 years 10 months ago
Operator Placement for Snapshot Multi-predicate Queries in Wireless Sensor Networks
— This work aims at minimize the cost of answering snapshot multi-predicate queries in high-communication-cost networks. High-communication-cost (HCC) networks is a family of net...
Georgios Chatzimilioudis, Huseyin Hakkoymaz, Nikos...