172 search results - page 21 / 35 » Improved Approximation Algorithms for Maximum Lifetime Probl... |
WINET
2010
13 years 5 months ago
2010
Abstract In this work we study the combination of multicost routing and adjustable transmission power in wireless ad hoc networks, so as to obtain dynamic energy- and interference-...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
We study the problem of computing approximate quantiles in large-scale sensor networks communication-efficiently, a problem previously studied by Greenwald and Khana [12] and Shri...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—We consider a wireless network of n nodes that communicate over a common wireless medium under some interference constraints. Our work is motivated by the need for an efficient...
SECON
2010
IEEE
13 years 5 months ago
2010
IEEE
Anypath routing has been proposed to improve the performance of unreliable wireless networks by exploiting the spatial diversity and broadcast nature of the wireless medium. In thi...
WOWMOM
2006
ACM
14 years 1 months ago
2006
ACM
In recent years, mobile elements (MEs) have been proposed as mechanical carriers of data to prolong the lifetime of sensor networks and to overcome network partitioning problem. A...