Sciweavers

172 search results - page 2 / 35
» Improved Approximation Algorithms for Maximum Lifetime Probl...
Sort
View
INFOCOM
2012
IEEE
11 years 8 months ago
Constant-approximation for target coverage problem in wireless sensor networks
—When a large amount of sensors are randomly deployed into a field, how can we make a sleep/activate schedule for sensors to maximize the lifetime of target coverage in the fie...
Ling Ding, Weili Wu, James Willson, Lidong Wu, Zai...
AICCSA
2005
IEEE
134views Hardware» more  AICCSA 2005»
13 years 11 months ago
Maximum lifetime broadcasting in wireless networks
We consider the problem of broadcasting messages in a wireless energy-limited network so as to maximize network lifetime. An O(e log e) algorithm to construct a broadcast tree tha...
J. Park, Salim Sahni
CDC
2009
IEEE
210views Control Systems» more  CDC 2009»
13 years 3 months ago
On maximum lifetime routing in Wireless Sensor Networks
Abstract-- Lifetime maximization is an important optimization problem specific to Wireless Sensor Networks (WSNs) since they operate with limited energy resources which are therefo...
Xu Ning, Christos G. Cassandras
INFOCOM
2010
IEEE
13 years 4 months ago
VBS: Maximum Lifetime Sleep Scheduling for Wireless Sensor Networks Using Virtual Backbones
—Wireless sensor network (WSN) applications require redundant sensors to guarantee fault tolerance. However, the same degree of redundancy is not necessary for multi-hop communic...
Yaxiong Zhao, Jie Wu, Feng Li, Sanglu Lu
IPPS
2005
IEEE
13 years 11 months ago
Maximizing the Lifetime of Dominating Sets
We investigate the problem of maximizing the lifetime of wireless ad hoc and sensor networks. Being battery powered, nodes in such networks have to perform their intended task und...
Thomas Moscibroda, Roger Wattenhofer