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Journal of Low Power Electronics and Applications, Volume 15, Issue 1

2025 March - 15 articles

Cover Story: The REGALE Library is the result of a collaborative effort in the EU EuroHPC JU REGALE project, which aims to effectively materialize the HPC PowerStack initiative, providing a single layer of communication among different power management tools, libraries, and software. The proposed framework is based on the data distribution service (DDS) and real-time publish–subscribe (RTPS) protocols, with FastDDS constituting their implementation. This enables the various actors in the ecosystem to communicate and exchange messages without any further modification to their implementation. In this paper, we present the blueprint, functionality tests, and performance and scalability evaluation of the DDS implementation currently used in the REGALE Library in the HPC context. View this paper
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Articles (15)

  • Article
  • Open Access
1 Citations
4,858 Views
26 Pages

Hardware/Software Co-Design Optimization for Training Recurrent Neural Networks at the Edge

  • Yicheng Zhang,
  • Bojian Yin,
  • Manil Dev Gomony,
  • Henk Corporaal,
  • Carsten Trinitis and
  • Federico Corradi

Edge devices execute pre-trained Artificial Intelligence (AI) models optimized on large Graphical Processing Units (GPUs); however, they frequently require fine-tuning when deployed in the real world. This fine-tuning, referred to as edge learning, i...

  • Article
  • Open Access
4 Citations
1,520 Views
20 Pages

In this paper, a NOR2 standard-cell-based dynamic comparator providing rail-to-rail input common mode range (ICMR) is presented, together with a novel standard-cell oriented design methodology. The proposed topology provides better speed performance...

  • Article
  • Open Access
1,351 Views
11 Pages

Current-Mode Quadrature Oscillator Simple Designs

  • Julia Nako,
  • Costas Psychalinos and
  • Shahram Minaei

Simple designs of current-mode quadrature oscillators are presented in this work. The main achievement, with regards to the literature, is the minimization of the required transistor count accomplished by the utilization of a suitable lossless integr...

  • Article
  • Open Access
1 Citations
1,278 Views
21 Pages

Investigation of Short Channel Effects in Al0.30Ga0.60As Channel-Based Junctionless Cylindrical Gate-All-Around FET for Low Power Applications

  • Pooja Srivastava,
  • Aditi Upadhyaya,
  • Shekhar Yadav,
  • Chandra Mohan Singh Negi and
  • Arvind Kumar Singh

In this work, a cylindrical gate-all-around junctionless field effect transistor (JLFET) was investigated. Junctions and doping concentration gradients are unavailable in JLFET. According to the results, the suggested device has a novel architecture...

  • Article
  • Open Access
2 Citations
2,625 Views
11 Pages

Low-Level Kinetic-Energy-Powered Temperature Sensing System

  • Ashaduzzaman,
  • James M. Mangum,
  • Syed M. Rahman,
  • Tamzeed B. Amin,
  • Md R. Kabir,
  • Hung Do,
  • Gordy Carichner,
  • David Blaauw and
  • Paul M. Thibado

Powering modern nanowatt sensors from omnipresent low-level kinetic energy: This study investigates the power levels produced by a varying-capacitance kinetic energy harvesting system. A model system consisting of a uniformly driven rotating capacito...

  • Article
  • Open Access
1,383 Views
17 Pages

The REGALE Library: A DDS Interoperability Layer for the HPC PowerStack

  • Giacomo Madella,
  • Federico Tesser,
  • Lluis Alonso,
  • Julita Corbalan,
  • Daniele Cesarini and
  • Andrea Bartolini

Large-scale computing clusters have been the basis of scientific progress for several decades and have now become a commodity fuelling the AI revolution. Dark Silicon, energy efficiency, power consumption, and hot spots are no longer looming threats...

  • Article
  • Open Access
1 Citations
2,554 Views
12 Pages

Design and Analysis of a Novel 12-Bit Current-Steering–Capacitive Digital-to-Analog Converter

  • Xian Yang Lim,
  • Boon Chiat Terence Teo,
  • Venkadasamy Navaneethan,
  • Wu Cong Lim and
  • Liter Siek

This article introduces a novel digital-to-analog converter (DAC), which addresses a few weaknesses that a traditional capacitive DAC (CDAC) has, such as matching and parasitic capacitance-induced code dependency and a challenging bridge capacitor de...

  • Article
  • Open Access
3 Citations
4,564 Views
26 Pages

Optimizing BFloat16 Deployment of Tiny Transformers on Ultra-Low Power Extreme Edge SoCs

  • Alberto Dequino,
  • Luca Bompani,
  • Luca Benini and
  • Francesco Conti

Transformers have emerged as the central backbone architecture for modern generative AI. However, most ML applications targeting low-power, low-cost SoCs (TinyML apps) do not employ Transformers as these models are thought to be challenging to quanti...

  • Article
  • Open Access
4 Citations
1,647 Views
18 Pages

A Novel Low-Power Differential Input Current Summing Second-Generation Voltage Conveyor

  • Riccardo Olivieri,
  • Davide Colaiuda,
  • Gianluca Barile,
  • Vincenzo Stornelli and
  • Giuseppe Ferri

This paper presents a novel transistor-level design of a modified second-generation voltage conveyor (VCII), which incorporates two differential current inputs (Y+ and Y−) and gives a voltage output at terminal X that mirrors the sum of these c...

  • Article
  • Open Access
19 Citations
3,170 Views
25 Pages

Incorrect sensor readings can cause serious problems in Wireless Sensor Networks (WSNs), potentially disrupting the operation of the entire system. As shown in the literature, they can arise from various reasons; therefore, addressing this issue has...

  • Article
  • Open Access
7 Citations
2,662 Views
27 Pages

The Cart-Pole Application as a Benchmark for Neuromorphic Computing

  • James S. Plank,
  • Charles P. Rizzo,
  • Chris A. White and
  • Catherine D. Schuman

The cart-pole application is a well-known control application that is often used to illustrate reinforcement learning algorithms with conventional neural networks. An implementation of the application from OpenAI Gym is ubiquitous and popular. Spikin...

  • Article
  • Open Access
1 Citations
3,270 Views
21 Pages

Optimizing Reservoir Separability in Liquid State Machines for Spatio-Temporal Classification in Neuromorphic Hardware

  • Oscar I. Alvarez-Canchila,
  • Andres Espinal,
  • Alberto Patiño-Saucedo and
  • Horacio Rostro-Gonzalez

In this paper, we propose an optimization approach using Particle Swarm Optimization (PSO) to enhance reservoir separability in Liquid State Machines (LSMs) for spatio-temporal classification in neuromorphic systems. By leveraging PSO, our method fin...

  • Article
  • Open Access
2 Citations
2,352 Views
17 Pages

A CMOS Switched Capacitor Filter Based Potentiometric Readout Circuit for pH Sensing System

  • Shanthala Lakshminarayana,
  • Revathy Perumalsamy,
  • Chenyun Pan,
  • Sungyong Jung,
  • Hoon-Ju Chung and
  • Hyusim Park

This work presents a potentiometric readout circuit for a pH-sensing system in an oral healthcare device. For in vivo applications, noise, area, and power consumption of the readout electronics play critical roles. While CMOS amplifiers are commonly...

  • Article
  • Open Access
1,753 Views
20 Pages

Computationally Efficient Light Field Video Compression Using 5-D Approximate DCT

  • Braveenan Sritharan,
  • Chamira U. S. Edussooriya,
  • Chamith Wijenayake,
  • R. J. Cintra and
  • Arjuna Madanayake

Five-dimensional (5-D) light field videos (LFVs) capture spatial, angular, and temporal variations in light rays emanating from scenes. This leads to a significantly large amount of data compared to conventional three-dimensional videos, which captur...

  • Article
  • Open Access
1 Citations
3,071 Views
17 Pages

This work presents a nano-watt digital output temperature sensor featuring a supply-insensitive, self-biased current source. Second-order temperature dependencies of the MOS diode are canceled to produce a stable reference and a linear temperature-se...

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J. Low Power Electron. Appl. - ISSN 2079-9268