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MM
2006
ACM
197views Multimedia» more  MM 2006»
16 years 7 days ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
MOBICOM
2004
ACM
15 years 11 months ago
Choosing beacon periods to improve response times for wireless HTTP clients
The IEEE 802.11 wireless LAN standard power-saving mode (PSM) allows the network interface card (NIC) to periodically sleep between receiving data. In this paper, we show that 802...
Suman Nath, Zachary R. Anderson, Srinivasan Seshan
SENSYS
2003
ACM
15 years 11 months ago
Model-based compression in wireless ad hoc networks
We present a technique for compression of shortest paths routing tables for wireless ad hoc networks. The main characteristic of such networks is that geographic location of nodes...
Milenko Drinic, Darko Kirovski, Miodrag Potkonjak
SENSYS
2003
ACM
15 years 11 months ago
CODA: congestion detection and avoidance in sensor networks
Event-driven sensor networks operate under an idle or light load and then suddenly become active in response to a detected or monitored event. The transport of event impulses is l...
Chieh-Yih Wan, Shane B. Eisenman, Andrew T. Campbe...
MOBICOM
2010
ACM
15 years 6 months ago
CSMA/CN: carrier sense multiple access with collision notification
A wireless transmitter learns of a packet loss, infers collision, only after completing the entire transmission. If the transmitter could detect the collision early (such as with ...
Souvik Sen, Romit Roy Choudhury, Srihari Nelakudit...