کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
457866 696070 2012 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Hardware-assisted energy monitoring architecture for micro sensor nodes
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
پیش نمایش صفحه اول مقاله
Hardware-assisted energy monitoring architecture for micro sensor nodes
چکیده انگلیسی

In this paper, we present a hardware-assisted energy monitoring architecture, HEMA, which provides power information for individual system components in micro sensor nodes. HEMA gives information on how the system components of sensor nodes spend energy while applications are running. To develop a practical runtime monitoring system we used a power monitoring technique based on a battery monitor IC (Integrated Circuit) which is typically used in embedded systems. HEMA uses a software technique to monitor device usage patterns, and combines it with hardware-assisted power information in runtime. However, the battery monitor IC has problems in monitoring individual devices. In this paper, we developed a software technique to supplement its drawbacks. To evaluate the proposed system, we built a micro sensor node with battery monitor IC. We operated real applications on the sensor node and conducted a comparative analysis with a dedicated power monitor. Our experiment results show that HEMA indeed provides a suitable architecture for runtime power analysis with low overhead.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Systems Architecture - Volume 58, Issue 2, February 2012, Pages 73–85
نویسندگان
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