315 search results - page 57 / 63 » Shortest path optimization under limited information |
CORR
2007
Springer
13 years 7 months ago
2007
Springer
Abstract—We study a problem of broadcasting confidential messages to multiple receivers under an information-theoretic secrecy constraint. Two scenarios are considered: 1) all r...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
—The optimal decoder achieving the outage capacity under imperfect channel estimation is investigated. First, by searching into the family of nearest neighbor decoders, which can...
TON
2012
11 years 10 months ago
2012
—Society relies heavily on its networked physical infrastructure and information systems. Accurately assessing the vulnerability of these systems against disruptive events is vit...
SENSYS
2009
ACM
14 years 2 months ago
2009
ACM
Wireless sensor networks have been proposed for many location-dependent applications. In such applications, the requirement of low system cost prohibits many range-based methods f...
SODA
2007
ACM
13 years 9 months ago
2007
ACM
Random geometric graphs have been one of the fundamental models for reasoning about wireless networks: one places n points at random in a region of the plane (typically a square o...