394 search results - page 61 / 79 » Fault-Tolerant Relay Node Placement in Wireless Sensor Netwo... |
ICNP
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper, we describe oCast, an energy-optimal multicast routing protocol for wireless sensor networks. The general minimum-energy multicast problem is NP-hard. Intermitten...
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...
ICNP
2006
IEEE
14 years 1 months ago
2006
IEEE
—Data caching can significantly improve the efficiency of information access in a wireless ad hoc network by reducing the access latency and bandwidth usage. However, designing e...
IPSN
2007
Springer
14 years 1 months ago
2007
Springer
We study the problem of aggregating data from a sparse set of nodes in a wireless sensor network. This is a common situation when a sensor network is deployed to detect relatively...
TMC
2008
13 years 7 months ago
2008
We consider a scenario in which a wireless sensor network is formed by randomly deploying n sensors to measure some spatial function over a field, with the objective of computing a...