19 search results - page 4 / 4 » Sharper Upper and Lower Bounds for an Approximation Scheme f... |
IWCMC
2009
ACM
13 years 11 months ago
2009
ACM
This paper addresses the problem of optimal cooperative spectrum sensing in a cognitive-enabled sensor network where cognitive sensors can cooperate in the sensing of the spectrum...
ICALP
2004
Springer
13 years 10 months ago
2004
Springer
We define a natural notion of efficiency for approximate nearest-neighbor (ANN) search in general n-point metric spaces, namely the existence of a randomized algorithm which answ...
TSP
2008
13 years 4 months ago
2008
The problem of optimal node density maximizing the Neyman-Pearson detection error exponent subject to a constraint on average (per node) energy consumption is analyzed. The spatial...
MOBIHOC
2006
ACM
14 years 4 months ago
2006
ACM
Localization is an important and extensively studied problem in ad-hoc wireless sensor networks. Given the connectivity graph of the sensor nodes, along with additional local info...