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Analog computing has reemerged as a promising avenue for accelerating deep neural networks (DNNs) due to its potential to overcome the energy efficiency and scalability challenges posed by traditional digital architectures. However,…

Emerging Technologies · Computer Science 2024-06-17 Cansu Demirkiran , Lakshmi Nair , Darius Bunandar , Ajay Joshi

In this letter, we investigate the robust beamforming design for an integrated sensing and communication (ISAC) system featuring low-resolution digital-to-analog converters (DACs) and analog-to-digital converters (ADCs). Taking into account…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Tiantian Xu , Zhenyao He , Jindan Xu , Wei Xu , Jianfeng Wang , Derrick Wing Kwan Ng

Low-resolution analog-to-digital converters (ADCs) have emerged as an efficient solution for massive multiple-input multiple-output (MIMO) systems to reap high data rates with reasonable power consumption and hardware complexity. In this…

Signal Processing · Electrical Eng. & Systems 2025-02-12 Mengyuan Ma , Nhan Thanh Nguyen , Italo Atzeni , A. Lee Swindlehurst , Markku Juntti

In this contribution, it is proposes to limit the quantization search space of a successive approximation analog-to-digital converter through an analytic derivation of maximum possible sample-to-sample variation. The presented example…

Signal Processing · Electrical Eng. & Systems 2019-05-30 Mehdi Safarpour , Reza Inanlou , Olli Silven , Timo Rahkonen , Omid Shoaei

The design and measurement results of ultra-low power, fast 10-bit Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) prototypes in 65 nm CMOS technology are presented. Eight prototype ADCs were designed using two…

Instrumentation and Detectors · Physics 2023-12-25 Mirosław Firlej , Tomasz Fiutowski , Marek Idzik , Jakub Moroń , Krzysztof Świentek

This work presents a supervised machine-learning (ML) approach for blind digital calibration of SAR ADCs without requiring prior knowledge of errors. A low-speed reference ADC is used to train a shallow neural network (NN) to estimate…

Signal Processing · Electrical Eng. & Systems 2024-12-19 Sumukh Bhanushali , Debnath Maiti , Phaneendra Bikkina , Esko Mikkola , Arindam Sanyal

This work describes an approach towards pixel quantization using variable resolution which is made feasible using image transformation in the analog domain. The main aim is to reduce the average bits-per-pixel (BPP) necessary for…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Senorita Deb , Sai Sanjeet , Prabir Kumar Biswas , Bibhu Datta Sahoo

Employing low-resolution analog-to-digital converters (ADCs) for millimeter wave receivers with large antenna arrays provides opportunity to efficiently reduce power consumption of the receiver. Reducing ADC resolution, however, results in…

Information Theory · Computer Science 2020-05-12 Jinseok Choi , Gilwon Lee , Ahmed Alkhateeb , Alan Gatherer , Naofal Al-Dhahir , Brian L. Evans

This paper develops a new deep neural network optimized equalization framework for massive multiple input multiple output orthogonal frequency division multiplexing (MIMOOFDM) systems that employ low-resolution analog-to-digital converters…

Signal Processing · Electrical Eng. & Systems 2020-05-26 Lei Chu , Ling Pei , Husheng Li , Robert Caiming Qiu

We aim at investigating the impact of low resolution digital-to-analog converters (DACs) at the transmitter and low resolution analog-to-digital converters (ADCs) at the receiver on the required bandwidth and the required signalto- noise…

Information Theory · Computer Science 2017-06-28 Hela Jedda , Amine Mezghani , Josef A. Nossek

Achieving high accuracy, while maintaining good energy efficiency, in analog DNN accelerators is challenging as high-precision data converters are expensive. In this paper, we overcome this challenge by using the residue number system (RNS)…

Hardware Architecture · Computer Science 2023-06-19 Cansu Demirkiran , Rashmi Agrawal , Vijay Janapa Reddi , Darius Bunandar , Ajay Joshi

The last decade has witnessed the breakthrough of deep neural networks (DNNs) in many fields. With the increasing depth of DNNs, hundreds of millions of multiply-and-accumulate (MAC) operations need to be executed. To accelerate such…

Hardware Architecture · Computer Science 2022-11-29 Amro Eldebiky , Grace Li Zhang , Georg Boecherer , Bing Li , Ulf Schlichtmann

In a growing number of applications, there is a need to digitize signals whose spectral characteristics are challenging for traditional Analog-to-Digital Converters (ADCs). Examples, among others, include systems where the ADC must acquire…

Signal Processing · Electrical Eng. & Systems 2022-10-12 Amir Weiss , Everest Huang , Or Ordentlich , Gregory W. Wornell

The increasing amount of data processed on edge and the demand for reducing the energy consumption for large neural network architectures have initiated the transition from traditional von Neumann architectures towards in-memory computing…

Emerging Technologies · Computer Science 2022-09-27 O. Krestinskaya , L. Zhang , K. N. Salama

Neuromorphic vision processor is an electronic implementation of vision algorithm processor on semiconductor. To image the world, a low-power CMOS image sensor array is required in the vision processor. The image sensor array is typically…

Hardware Architecture · Computer Science 2017-02-16 Yilei F. Li , Li Du

SRAM-based Analog Compute-in-Memory (ACiM) demonstrates promising energy efficiency for deep neural network (DNN) processing. Nevertheless, efforts to optimize efficiency frequently compromise accuracy, and this trade-off remains…

Hardware Architecture · Computer Science 2025-09-03 Wenlun Zhang , Shimpei Ando , Yung-Chin Chen , Kentaro Yoshioka

Scaling quantum computers requires tight integration of cryogenic control electronics with quantum processors, where Digital-to-Analog Converters (DACs) face severe power and area constraints. We investigate quantum neural network (QNN)…

Resistive random-access memory (RRAM) provides an excellent platform for analog matrix computing (AMC), enabling both matrix-vector multiplication (MVM) and the solution of matrix equations through open-loop and closed-loop circuit…

Signal Processing · Electrical Eng. & Systems 2025-12-05 Pushen Zuo , Zhong Sun

With the advancement in the field of the Internet of Things(IoT) and Internet of Bodies(IoB), video camera applications using Video Sensor Nodes(VSNs) have gained importance in the field of autonomous driving, health monitoring, robot…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Gourab Barik , Gaurav Kumar K , Baibhab Chatterjee , Shovan Maity , Sumon Bose , Shreyas Sen

In neuromorphic photonic systems, device operations are typically governed by analog signals, necessitating digital-to-analog converters (DAC) and analog-to-digital converters (ADC). However, data movement between memory and these…

Emerging Technologies · Computer Science 2026-01-13 Sean Lam , Ahmed Khaled , Simon Bilodeau , Bicky A. Marquez , Paul R. Prucnal , Lukas Chrostowski , Bhavin J. Shastri , Sudip Shekhar