646 search results - page 23 / 130 » A Spatially Dependent Communication Model for Ubiquitous Sys... |
CORR
2008
Springer
13 years 8 months ago
2008
Springer
The underwater acoustic channel is characterized by a path loss that depends not only on the transmission distance, but also on the signal frequency. As a consequence, transmission...
PADS
1997
ACM
14 years 14 days ago
1997
ACM
Large-scale ecological simulations are natural candidates for distributed discrete event simulation. In optimistic simulation of spatially explicit models, a difficult problem ar...
AAI
2004
13 years 8 months ago
2004
Location awareness is a key ingredient to many applications of mobile devices. Devices with the ability to determine their own position in space can retrieve, filter or present in...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract—Cognitive radio is a key enabling technology of dynamic spectrum access for exploiting unused spectrum resources. This article focuses on modeling the opportunity for ce...
SAFECOMP
2001
Springer
14 years 22 days ago
2001
Springer
Abstract. To ensure the consistency of database subsystems involved in communication systems (e.g., telephone systems), appropriate scheduled maintenance policies are necessary. Au...