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- posterFebruary 2019
PVT-Aware Sensing and Voltage Scaling for Energy Efficient FPGAs
FPGA '19: Proceedings of the 2019 ACM/SIGDA International Symposium on Field-Programmable Gate ArraysPage 190https://doi.org/10.1145/3289602.3293981In this work we introduce a method to improve the energy efficiency of the FPGA devices by reducing the pessimistic operation guardbands posed by the commercial EDA tools. The proposed method bases on a voltage scaling scheme that reliably decreases the ...
- research-articleDecember 2017
Infant Body Temperature Monitoring System using Temperature Change Detection Algorithm
CSAI '17: Proceedings of the 2017 International Conference on Computer Science and Artificial IntelligencePages 270–274https://doi.org/10.1145/3168390.3168430Body temperature is one of the most basic vital signs for determining the health status of infants and children. This paper introduces a system that can detect the change in body temperature of infants and children. The caregiver can check that the ...
- research-articleJanuary 2017
Reliable low-overhead arbiter-based physical unclonable functions for resource-constrained IoT devices
CS2 '17: Proceedings of the Fourth Workshop on Cryptography and Security in Computing SystemsPages 1–6https://doi.org/10.1145/3031836.3031837Physical unclonable functions (PUFs) are promising hardware security primitives suitable for resource-constrained devices requiring lightweight cryptographic methods. However, PUF responses frequently suffer from instability due to varying environmental ...
- research-articleJune 2016
MTJ variation monitor-assisted adaptive MRAM write
DAC '16: Proceedings of the 53rd Annual Design Automation ConferenceArticle No.: 169, Pages 1–6https://doi.org/10.1145/2897937.2897979Spin-transfer torque random access memory (STT-RAM) and magnetoelectric random access memory (MeRAM) are promising non-volatile memory technologies. But STT-RAM and Me RAM both suffer from high write error rate due to thermal fluctuation of ...
- articleJanuary 2016
Thermal infrared geostationary satellite sensor data application for prediction and monitoring earthquake in Algeria
International Journal of Information Technology and Management (IJITM), Volume 15, Issue 4Pages 293–312https://doi.org/10.1504/IJITM.2016.079600The modern operational space-borne optical sensors in the thermal infrared spectrum allow monitoring of the Earth's thermal field for detection of pre-earthquake thermal infrared TIR anomaly in land surface temperature in and around epicentral areas. ...
- research-articleOctober 2015
Design of n-Tier Multilevel Interconnect Architectures by Using Carbon Nanotube Interconnects
IEEE Transactions on Very Large Scale Integration (VLSI) Systems (ITVL), Volume 23, Issue 10Pages 2128–2134https://doi.org/10.1109/TVLSI.2014.2360713In this paper, n-tier methodology is developed to design multilevel interconnect architecture of macrocells using single-wall carbon nanotube (SWCNT) bundles. Upper limit of low-bias voltage of SWCNT bundle interconnects is derived and its dependence on ...
- research-articleAugust 2015
An Energy-Efficient All-Digital Time-Domain-Based CMOS Temperature Sensor for SoC Thermal Management
IEEE Transactions on Very Large Scale Integration (VLSI) Systems (ITVL), Volume 23, Issue 8Pages 1508–1517https://doi.org/10.1109/TVLSI.2014.2344112We propose an all-digital on-chip time-domain temperature sensor for system-on-a-chip (SoC) thermal management. For on-chip purposes, the proposed temperature sensor achieves energy- and area-efficient and fast thermal monitoring by adopting a digitally ...
- research-articleJune 2015
Design of Ultra-Low Power Scalable-Throughput Many-Core DSP Applications
ACM Transactions on Design Automation of Electronic Systems (TODAES), Volume 20, Issue 3Article No.: 34, Pages 1–21https://doi.org/10.1145/2720018We propose a system-level solution in designing process variation aware (PVA) scalable-throughput many-core systems for energy constrained applications. In our proposed methodology, we leverage the benefits of voltage scaling for obtaining energy ...
- ArticleNovember 2014
On-Chip Delay Sensor for Environments with Large Temperature Fluctuations
ATS '14: Proceedings of the 2014 IEEE 23rd Asian Test SymposiumPages 275–280https://doi.org/10.1109/ATS.2014.65The precision of on-chip delay sensors is degraded by temperature fluctuations, which hinders these sensors from applying to on-line fault predicting and DVFS. We present a novel path delay measuring technique which is immune to large temperature ...
- ArticleSeptember 2014
A Novel Technique for Ring Oscillator Based PUFs to Enroll Stable Challenge Response Pairs
CIT '14: Proceedings of the 2014 IEEE International Conference on Computer and Information TechnologyPages 270–275https://doi.org/10.1109/CIT.2014.145Silicon physical unclonable function (PUF) exploits random variations in the manufacturing process to extract unique information for each chip. As one of the most popular techniques to implement a PUF, ring oscillator based PUF (RO-PUF) is easy to ...
- research-articleJune 2010
Worst-case performance prediction under supply voltage and temperature variation
SLIP '10: Proceedings of the 12th ACM/IEEE international workshop on System level interconnect predictionPages 91–96https://doi.org/10.1145/1811100.1811121The power delivery network (PDN) is a major consumer of interconnect resources in deep-submicron designs (i.e., more than 30% of the entire routing area) [18]. Hence, efficient early-stage PDN optimization enables the designers to ensure a desired power-...
- ArticleOctober 2009
A Sensor to Detect Normal or Reverse Temperature Dependence in Nanoscale CMOS Circuits
DFT '09: Proceedings of the 2009 24th IEEE International Symposium on Defect and Fault Tolerance in VLSI SystemsPages 193–201https://doi.org/10.1109/DFT.2009.47The temperature dependence of MOSFET drain current varies with supply voltage. Two distinct voltage regions exist—a normal dependence (ND) region where an increase in temperature decreases drain current, and a reverse dependence (RD) region where an ...
- ArticleMay 2009
Robust Multiple-Valued Current-Mode Circuit Components Based on Adaptive Reference-Voltage Control
ISMVL '09: Proceedings of the 2009 39th International Symposium on Multiple-Valued LogicPages 36–41https://doi.org/10.1109/ISMVL.2009.44Power-supply/temperature-variation-aware circuit components, such as a current source and a comparator, based on adaptive reference-voltage control are proposedfor robust multiple-valued current-mode (MVCM) circuits.Since the reference-voltage level ...
- ArticleJuly 2008
Exploiting Parametric Power Supply and/or Temperature Variations to Improve Fault Tolerance in Digital Circuits
- Jorge Semião,
- Judit Freijedo,
- Juan Jose Rodríguez-Andina,
- Fabian Vargas,
- Marcelino Santos,
- Isabel Teixeira,
- João Paulo Teixeira
IOLTS '08: Proceedings of the 2008 14th IEEE International On-Line Testing SymposiumPages 227–232https://doi.org/10.1109/IOLTS.2008.51The implementation of complex functionality in low-power nano-CMOS technologies leads to enhance susceptibility to parametric disturbances (environmental, and operation-dependent). The purpose of this paper is to present recent improvements on a ...
- research-articleMay 2008
An analytical model for the upper bound on temperature differences on a chip
GLSVLSI '08: Proceedings of the 18th ACM Great Lakes symposium on VLSIPages 417–422https://doi.org/10.1145/1366110.1366210The main contribution of this work is an analytical model for finding the upper bound on the temperature difference among various locations on the die. The proposed model can be used in many applications, such as estimation of maximum temperature ...
- ArticleMarch 2008
Modeling of NBTI-Induced PMOS Degradation under Arbitrary Dynamic Temperature Variation
Negative bias temperature instability (NBTI) is one of the primary limiters of reliability lifetime in nano-scale integrated circuits. NBTI manifests itself in a gradual increase in the magnitude of PMOS threshold voltage, resulting in the degradation ...
- ArticleJuly 2006
Time dependent temperature distribution in pulsed RF waveguide CO2laser
The Temperature variation for RF-excited waveguide CO2 laser in the pulse regime is studied theoretically by considering one-dimensional model for heat conduction. The temperature increases exponentially with time whereas it increases, reaches maximum ...
- ArticleJune 1996
Telepresence for in-situ microscopy
ICMCS '96: Proceedings of the 1996 International Conference on Multimedia Computing and SystemsPage 0481Abstract: We present an approach for remote operation of instruments in the Internet environment. We have applied this approach to in-situ electron microscopy experiments that require dynamic interaction with the specimen under observation, as it is ...
- ArticleJune 1996
Telepresence for in-situ microscopy
ICMCS '96: Proceedings of the 1996 International Conference on Multimedia Computing and SystemsPage 481https://doi.org/10.1109/MMCS.1996.535896Abstract: We present an approach for remote operation of instruments in the Internet environment. We have applied this approach to in-situ electron microscopy experiments that require dynamic interaction with the specimen under observation, as it is ...