235 search results - page 47 / 47 » Using Mobile Phones for Monitoring Physical Conditions |
TMC
2008
13 years 4 months ago
2008
Mutual network synchronization is a distributed method in which geographically separated clocks align their times to one another without the need of reference or master clocks. Mut...
MOBISYS
2007
ACM
14 years 4 months ago
2007
ACM
When the range of single-hop wireless communication is limited by distance or harsh radio propagation conditions, relays can be used to extend the communication range through mult...
RTSS
2005
IEEE
13 years 10 months ago
2005
IEEE
Deploying Wireless LAN for Industrial Control (ICWLAN) has many benefits, such as mobility, low deployment cost and ease of reconfiguration. However, the top concern is robustne...
MOBICOM
2006
ACM
13 years 11 months ago
2006
ACM
Rate adaptation is a mechanism unspecified by the 802.11 standards, yet critical to the system performance by exploiting the multi-rate capability at the physical layer. In this ...
CONEXT
2009
ACM
13 years 6 months ago
2009
ACM
Dense, unmanaged 802.11 deployments tempt saboteurs into launching jamming attacks by injecting malicious interference. Nowadays, jammers can be portable devices that transmit int...