42 search results - page 9 / 9 » Enforcing spatial constraints for mobile RBAC systems |
GI
2005
Springer
13 years 10 months ago
2005
Springer
: A distributed service to model and control contextual information in mobile and ubiquitous computing environments is presented in this paper. We introduce the general user model ...
TSP
2008
13 years 4 months ago
2008
In this paper, we consider an uplink multiple-antenna Code-Division Multiple-Access (CDMA) system linking several multiple-antenna mobile users to one multiple-antenna base-statio...