422 search results - page 46 / 85 » On the Wake-Up Problem in Radio Networks |
PODC
2009
ACM
15 years 7 months ago
2009
ACM
In this paper, we study the wireless synchronization problem which requires devices activated at different times on a congested single-hop radio network to synchronize their roun...
WADS
2005
Springer
15 years 3 months ago
2005
Springer
Motivated by optimization problems in sensor coverage, we formulate and study the Minimum-Area Spanning Tree (mast) problem: Given a set P of n points in the plane, find a spannin...
MOBIHOC
2005
ACM
15 years 9 months ago
2005
ACM
Wireless networks are built upon a shared medium that makes it easy for adversaries to launch jamming-style attacks. These attacks can be easily accomplished by an adversary emitt...
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Successful spectrum sharing in a cognitive radio network depends on the correct and quick detection of primary activity. Cooperative spectrum sensing is therefore suggested to enh...
SENSYS
2004
ACM
15 years 3 months ago
2004
ACM
Network congestion occurs when offered traffic load exceeds available capacity at any point in a network. In wireless sensor networks, congestion causes overall channel quality t...