172 search results - page 16 / 35 » Improved Approximation Algorithms for Maximum Lifetime Probl... |
EUC
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. Energy and delay are critical issues for wireless sensor networks since most sensors are equipped with non-rechargeable batteries that have limited lifetime. Due to the u...
ICDCN
2009
Springer
14 years 2 days ago
2009
Springer
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...
PERCOM
2009
ACM
14 years 2 months ago
2009
ACM
—One of the major issues in a wireless sensor network (WSN) is how to cover an interested area. In this paper, we consider the area coverage problem for variable sensing radii WS...
MP
2007
13 years 7 months ago
2007
Given a graph with costs on the edges, the power of a node is the maximum cost of an edge leaving it, and the power of the graph is the sum of the powers of the nodes of this graph...
COMCOM
2006
13 years 7 months ago
2006
Scalability and extended lifetime are two critical design goals of any large scale wireless sensor network. A two-tiered network model has been proposed recently for this purpose....