544 search results - page 109 / 109 » A study of the use of mobile phones by older persons |
DIALM
2003
ACM
13 years 10 months ago
2003
ACM
We consider the problem of maximizing the lifetime of a given multicast connection in a wireless network of energyconstrained (e.g. battery-operated) nodes, by choosing ideal tran...
SASN
2003
ACM
13 years 10 months ago
2003
ACM
Peer-to-Peer (P2P) applications and services are very common in today’s computing. The popularity of the P2P paradigm prompts the need for specialized security services which ma...
Publication
Global Positioning System (GPS) Technology allows precise determination of location, velocity, direction, and time. The price of GPS receivers is falling rapidly and the applicatio...
PODC
2009
ACM
14 years 2 months ago
2009
ACM
In this paper, we study the wireless synchronization problem which requires devices activated at different times on a congested single-hop radio network to synchronize their roun...