570 search results - page 48 / 114 » Approximating Some Network Design Problems with Node Costs |
GLOBECOM
2007
IEEE
14 years 24 days 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...
MOBIHOC
2008
ACM
14 years 8 months ago
2008
ACM
Mobile opportunistic networks are characterized by unpredictable mobility, heterogeneity of contact rates and lack of global information. Successful delivery of messages at low co...
MDM
2009
Springer
14 years 3 months ago
2009
Springer
— This work aims at minimize the cost of answering snapshot multi-predicate queries in high-communication-cost networks. High-communication-cost (HCC) networks is a family of net...
INFOCOM
2008
IEEE
14 years 3 months ago
2008
IEEE
—Rate allocation is a fundamental problem in the operation of a wireless network because of the necessity to schedule the operation of mutually interfering links between the node...
MOBIHOC
2008
ACM
14 years 8 months ago
2008
ACM
Local monitoring is an effective mechanism for the security of wireless sensor networks (WSNs). Existing schemes assume the existence of sufficient number of active nodes to carry...