528 search results - page 11 / 106 » Approximation algorithm for minimal convergecast time proble... |
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....
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
— Reliability and energy efficiency are critical issues in wireless sensor networks. In this work, we study Delay-bounded Energy-constrained Adaptive Routing (DEAR) problem with...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
Wireless sensor networks have been widely used in many surveillance applications. Due to the importance of sensor nodes in such applications, certain level of protection needs to b...
SECON
2007
IEEE
14 years 1 months ago
2007
IEEE
Base station location has significant impact on network lifetime performance for a sensor network. For a multihop sensor network, this problem is particular challenging as we need ...
JOIN
2007
13 years 7 months ago
2007
— One of the fundamental issues in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by sensors. In this paper, we formul...