The ACM/SIGDA International Symposium on Field-Programmable Gate Arrays , 2015-02-22

Title : ( Exploring Efficiency of Ring Oscillator- Based Temperature Sensor Networks on FPGAs )

Authors: Navid Rahmanikia , Amirali Amiri , Hamid Noori , Farhad Mehdipour ,

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Due to technology advances and complexity of designs, thermal issue is a bottleneck in electronics designs. Various dynamic thermal management techniques have been proposed to address this issue. To effectively apply thermal management techniques, providing an accurate thermal map of chips is highly required. For this goal, a network of temperature sensors ought to be provided. There are various implementations for temperature sensors and network of sensors on Field Programmable Gate Arrays (FPGAs). This work defines and formulates four metrics and criteria, in terms of area, thermal, and power overheads and thermal map accuracy for exploring and evaluating efficiency of different implementations of Ring Oscillator-based Temperature Sensor (ROTS) networks on FPGAs and reports the comparison results for 12 networks with various sensor configurations. According to our metrics and experiments, the sensor that it is composed of NOT gates with open latches and RNS ring counter has lower thermal and power overheads compared to other configurations. Moreover, in this work, a new ROTS is presented that occupies 25% less resources than the most compact temperature sensor. Also, it provides 1.72 times higher sensitivity than the best sensitive ROTS design.

Keywords

, FPGA; Temperature; Soft, Sensor; Ring Oscillator; Network of Temperature Sensor; Exploration; Efficiency; Area Overhead; Thermal Overhead; Power Overhead; Thermal Map
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@inproceedings{paperid:1046730,
author = {Rahmanikia, Navid and Amirali Amiri and Noori, Hamid and Farhad Mehdipour},
title = {Exploring Efficiency of Ring Oscillator- Based Temperature Sensor Networks on FPGAs},
booktitle = {The ACM/SIGDA International Symposium on Field-Programmable Gate Arrays},
year = {2015},
location = {Monterey, USA},
keywords = {FPGA; Temperature; Soft-Sensor; Ring Oscillator; Network of Temperature Sensor; Exploration; Efficiency; Area Overhead; Thermal Overhead; Power Overhead; Thermal Map Accuracy},
}

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%0 Conference Proceedings
%T Exploring Efficiency of Ring Oscillator- Based Temperature Sensor Networks on FPGAs
%A Rahmanikia, Navid
%A Amirali Amiri
%A Noori, Hamid
%A Farhad Mehdipour
%J The ACM/SIGDA International Symposium on Field-Programmable Gate Arrays
%D 2015

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