89 search results - page 2 / 18 » Lifetime maximization via cooperative nodes and relay deploy... |
MOBICOM
2003
ACM
13 years 9 months ago
2003
ACM
We consider a two-tiered Wireless Sensor Network (WSN) consisting of sensor clusters deployed around strategic locations and base-stations (BSs) whose locations are relatively fl...
VTC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract— Discrete power allocation strategies for amplifyand-forward cooperative networks are proposed based on selective relaying methods. The goal of power allocation is to ma...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—Sleep-wake scheduling is an effective mechanism to prolong the lifetime of energy-constrained wireless sensor networks. However, it incurs an additional delay for packet deliver...
COMCOM
2006
13 years 4 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....
CORR
2007
Springer
13 years 4 months ago
2007
Springer
: Collaborative beamforming (CB) and cooperative transmission (CT) have recently emerged as communication techniques that can make effective use of collaborative/cooperative nodes ...