646 search results - page 20 / 130 » A Spatially Dependent Communication Model for Ubiquitous Sys... |
MOBICOM
1999
ACM
14 years 19 days ago
1999
ACM
Due to the lack of a generic platform for location- and spatial-aware systems, many basic services have to be reimplemented in each application that uses spatial-awareness. A coop...
GEOINFO
2003
13 years 9 months ago
2003
One of the main challenges for the development of spatial information theory is the formalization of the concepts of space and spatial relations. Currently, most spatial data struc...
SACMAT
2010
ACM
13 years 6 months ago
2010
ACM
Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
VTC
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Careful modeling of the radio channel characteristics is an important issue for system level simulations. While a number of detailed path loss, shadowing and fast fading...
VTC
2006
IEEE
14 years 2 months ago
2006
IEEE
— This paper focuses on the modelling of the reverse link of a WCDMA system in a non-homogeneous environment. Multiple traffic spatial and service non-uniformities are considered...