1152 search results - page 140 / 231 » mobility 2009 |
79
Voted
GIS
2009
ACM
15 years 7 months ago
2009
ACM
Time geography uses space-time volumes to represent the possible locations of a mobile agent over time in a x-y-t space. Space-time volumes are qualitative statements, enabling qu...
103
Voted
ICDCN
2009
Springer
15 years 7 months ago
2009
Springer
Chandy et al. proposed the methodology of “self-similar algorithms” for distributed computation in dynamic environments. We further characterize the class of functions computab...
101
Voted
COMPSAC
2009
IEEE
15 years 7 months ago
2009
IEEE
The evolving concepts of mobile computing, context-awareness, and ambient intelligence are increasingly influencing user's experience of services. Therefore, the goal of this...
82
Voted
GLOBECOM
2009
IEEE
15 years 7 months ago
2009
IEEE
—In this paper, we study the impact of antenna correlation at mobile units (MUs) on the capacity of multi-user multiple-input multiple-output (MIMO) systems with rate constraints...
102
Voted
ICAS
2009
IEEE
15 years 7 months ago
2009
IEEE
— This paper evaluates the performance of VoIP services over mobile accesses, with special focus on currently deployed Best Effort UMTS networks. There are different configuratio...