Title :
A wakeup scheme for sensor networks: achieving balance between energy saving and end-to-end delay
Author :
Yang, Xue ; Vaidya, Nitin H.
Author_Institution :
Dept. of Electr. & Comput. Eng., Illinois Univ., Champaign, IL, USA
Abstract :
Energy saving is a critical task for sensor networks with limited energy supply. Wakeup schemes that turn off sensors´ radio when communication is not necessary have great potential in energy saving. However, existing wakeup schemes encounter critical tradeoffs between energy saving and wakeup latency, and little attention has been paid to reducing the packet end-to-end delay while preserving the energy saving capability. We argue that a long delay can be detrimental for large sensor networks. We propose a wakeup scheme that helps to achieve the balance between energy saving and end-to-end delay. The conditions under which the proposed scheme can show improvement are identified.
Keywords :
energy conservation; wireless LAN; wireless sensor networks; energy saving; packet end-to-end delay; wakeup scheme; wireless sensor networks; Communications technology; Delay; Large-scale systems; Microelectronics; Potential energy; Sensor phenomena and characterization; Target tracking; Turning; Wireless communication; Wireless sensor networks;
Conference_Titel :
Real-Time and Embedded Technology and Applications Symposium, 2004. Proceedings. RTAS 2004. 10th IEEE
Print_ISBN :
0-7695-2148-7
DOI :
10.1109/RTTAS.2004.1317245