Title :
A low-power wireless camera system
Author :
Chandrakasan, Anantha ; Dancy, Abram ; Goodman, James ; Simon, Thomas
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA
Abstract :
This paper describes the system design of a low-power wireless camera. A system level approach is used to reduce energy dissipation and maximize battery lifetime. System properties such as the network configuration and data statistics are exploited to minimize computational switching. Embedded power supplies systems are also used to minimize energy dissipation under varying temperature, process parameters and computational workload. Since the camera operates in a burst mode with long idle periods, emphasis must be placed on reducing system standby power dissipation
Keywords :
data compression; image sensors; low-power electronics; video cameras; battery lifetime; burst mode; computational switching; computational workload; data statistics; energy dissipation; idle periods; low-power electronics; network configuration; process parameters; standby power dissipation; system level approach; wireless camera system; Arithmetic; Batteries; Cameras; Energy dissipation; Image coding; Image sensors; Power dissipation; Power supplies; Video compression; Wireless sensor networks;
Conference_Titel :
VLSI Design, 1999. Proceedings. Twelfth International Conference On
Conference_Location :
Goa
Print_ISBN :
0-7695-0013-7
DOI :
10.1109/ICVD.1999.745120