Investigating the Energy Consumption of a Wireless Network Interface in an Ad Hoc Networking Environment-英文文献.pdfVIP

Investigating the Energy Consumption of a Wireless Network Interface in an Ad Hoc Networking Environment Laura Marie Feeney, Martin Nilsson Abstract—Energy-aware design and evaluation of network protocols re- ceiving and discarding broadcast and point-to-point data pack- quires knowledge of the energy consumption behavior of actual wireless ets of various sizes. While not intended to account for all IEEE interfaces. But little practical information is available about the energy consumption behavior of well-known wireless network interfaces and de- 802.11-based products or for all possible factors affecting en- vice specifications do not provide information in a form that is helpful to ergy consumption at the wireless interface, the results provide protocol developers. This paper describes a series of experiments which ob- a solid experimental basis for energy-aware design and evalu- tained detailed measurements of the energy consumption of an IEEE 802.11 ation of network-layer protocols operating in the IEEE 802. 11 wireless network interface operating in an ad hoc networking environment. environment. The data is presented as a collection of linear equations for calculating the energy consumed in sending, receiving and discarding broadcast and point- The results suggest new perspectives on design of ad hoc net- to-point data packets of various sizes. Some implications for protocol design working protocols: and evaluation in ad hoc networks are discussed. First, it is clear that energy consumption and bandwidth uti- Keywords—energy consumption, IEEE 802.11, ad hoc networks