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CIKM
2010
Springer
15 years 1 months ago
On the selectivity of multidimensional routing indices
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
Christos Doulkeridis, Akrivi Vlachou, Kjetil N&osl...
143
Voted
MOBICOM
2012
ACM
13 years 5 months ago
Temporal reachability graphs
While a natural fit for modeling and understanding mobile networks, time-varying graphs remain poorly understood. Indeed, many of the usual concepts of static graphs have no obvi...
John Whitbeck, Marcelo Dias de Amorim, Vania Conan...
MOBISYS
2008
ACM
16 years 2 months ago
Efficient channel-aware rate adaptation in dynamic environments
Increasingly, 802.11 devices are being used by mobile users. This results in very dynamic wireless channels that are difficult to use efficiently. Current rate selection algorithm...
Glenn Judd, Xiaohui Wang, Peter Steenkiste
MSWIM
2004
ACM
15 years 8 months ago
IEEE 802.11 rate adaptation: a practical approach
Today, three different physical (PHY) layers for the IEEE 802.11 WLAN are available (802.11a/b/g); they all provide multi-rate capabilities. To achieve a high performance under v...
Mathieu Lacage, Mohammad Hossein Manshaei, Thierry...
SENSYS
2004
ACM
15 years 8 months ago
The flooding time synchronization protocol
Wireless sensor network applications, similarly to other distributed systems, often require a scalable time synchronization service enabling data consistency and coordination. Thi...
Miklós Maróti, Branislav Kusy, Gyula...