172 search results - page 26 / 35 » Improved Approximation Algorithms for Maximum Lifetime Probl... |
SENSYS
2006
ACM
14 years 1 months ago
2006
ACM
Introducing mobile data sinks into wireless sensor networks (WSNs) improves the energy efficiency and the network lifetime, and is demanded for many application scenarios, such a...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Multiple-input and multiple-output (MIMO) technique is considered as one of the most promising emerging wireless technologies that can significantly improve transmissio...
MDM
2009
Springer
14 years 2 months ago
2009
Springer
— 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...
HICSS
2003
IEEE
14 years 25 days ago
2003
IEEE
—Unlike in a wired network, a packet transmitted by a node in an ad hoc wireless network can reach all neighbors. Therefore, the total number of transmissions (forward nodes) is ...
ALGOSENSORS
2007
Springer
14 years 1 months ago
2007
Springer
We introduce Semi-Matching with Demands (SMD), which models a certain problem in sensor networks of assigning individual sensors to sensing tasks. If there are multiple sensing tas...