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Deep learning has proved successful in many applications but suffers from high computational demands and requires custom accelerators for deployment. Crossbar-based analog in-memory architectures are attractive for acceleration of deep…

Emerging Technologies · Computer Science 2024-03-21 Timur Ibrayev , Isha Garg , Indranil Chakraborty , Kaushik Roy

This paper deals with the task of finding certified lower bounds for the performance of Analog to Digital Converters (ADCs). A general ADC is modeled as a causal, discrete-time dynamical system with outputs taking values in a finite set. We…

Optimization and Control · Mathematics 2012-06-22 Mitra Osqui , Alexandre Megretski , Mardavij Roozbehani

Extremely low-resolution (e.g. one-bit) analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) can substantially reduce hardware cost and power consumption for MIMO radar especially with large scale antennas. In this…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Minglong Deng , Ziyang Cheng , Linlong Wu , Bhavani Shankar , Zishu He

Stochastic computing (SC) offers hardware simplicity but suffers from low throughput, while high-throughput Digital Computing-in-Memory (DCIM) is bottlenecked by costly adder logic for matrix-vector multiplication (MVM). To address this…

Hardware Architecture · Computer Science 2026-01-13 Kunming Shao , Liang Zhao , Jiangnan Yu , Zhipeng Liao , Xiaomeng Wang , Yi Zou , Tim Kwang-Ting Cheng , Chi-Ying Tsui

In-Memory Computing (IMC) introduces a new paradigm of computation that offers high efficiency in terms of latency and power consumption for AI accelerators. However, the non-idealities and defects of emerging technologies used in advanced…

This paper analyzes the performance of multicell massive multiple-input and multiple-output (MIMO) systems with variable-resolution analog-to-digital converters (ADCs). In such an architecture, each ADC uses arbitrary quantization…

Information Theory · Computer Science 2021-09-21 Youzhi Xiong , Sanshan Sun , Ning Wei , Li Liu , Zhongpei Zhang

Compute-in-memory (CIM) accelerators for spiking neural networks (SNNs) are promising solutions to enable $\mu$s-level inference latency and ultra-low energy in edge vision applications. Yet, their current lack of flexibility at both the…

Hardware Architecture · Computer Science 2024-10-31 Nicolas Chauvaux , Adrian Kneip , Christoph Posch , Kofi Makinwa , Charlotte Frenkel

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

Aiming to accelerate the training of large deep neural networks (DNN) in an energy-efficient way, analog in-memory computing (AIMC) emerges as a solution with immense potential. AIMC accelerator keeps model weights in memory without moving…

Machine Learning · Computer Science 2026-04-28 Zhaoxian Wu , Quan Xiao , Tayfun Gokmen , Hsinyu Tsai , Kaoutar El Maghraoui , Tianyi Chen

In-Memory Computing (IMC) platforms such as analog crossbars are gaining focus as they facilitate the acceleration of low-precision Deep Neural Networks (DNNs) with high area- & compute-efficiencies. However, the intrinsic non-idealities in…

Machine Learning · Computer Science 2023-05-31 Abhiroop Bhattacharjee , Abhishek Moitra , Youngeun Kim , Yeshwanth Venkatesha , Priyadarshini Panda

Digital Computing-in-Memory (DCIM) is an innovative technology that integrates multiply-accumulation (MAC) logic directly into memory arrays to enhance the performance of modern AI computing. However, the need for customized memory cells…

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

High resolution analog to digital converters (ADCs) are conventionally used at the receiver terminals to store an accurate digital representation of the received signal, thereby allowing for reliable decoding of transmitted messages.…

Information Theory · Computer Science 2021-12-07 Abbas Khalili , Farhad Shirani , Elza Erkip , Yonina C. Eldar

Analog to digital conversion is a very important part of almost all beam instrumentation systems. Ideally, in a properly designed system, the used analog to digital converter (ADC) should not limit the system performance. However, despite…

Instrumentation and Detectors · Physics 2020-05-14 Marek Gasior

The ubiquitous use of sensing and signal processing is increasing exponentially with the advance of the Internet of Everything (IoE). In this context, the design of every time more power efficient sensor nodes is a must. Within these nodes,…

Signal Processing · Electrical Eng. & Systems 2021-08-18 Lucas Moura Santana , Duarte Lopes de Oliveira , Lester de Abreu Faria

Analog in-memory computing (AIMC) -- a promising approach for energy-efficient acceleration of deep learning workloads -- computes matrix-vector multiplications (MVMs) but only approximately, due to nonidealities that often are…

This paper presents a low cost PMOS-based 8T (P-8T) SRAM Compute-In-Memory (CIM) architecture that efficiently per-forms the multiply-accumulate (MAC) operations between 4-bit input activations and 8-bit weights. First, bit-line (BL)…

Hardware Architecture · Computer Science 2022-11-30 Joonhyung Kim , Kyeongho Lee , Jongsun Park

The resurgence of near-memory processing (NMP) with the advent of big data has shifted the computation paradigm from processor-centric to memory-centric computing. To meet the bandwidth and capacity demands of memory-centric computing, 3D…

Hardware Architecture · Computer Science 2021-04-29 Pritam Majumder , Jiayi Huang , Sungkeun Kim , Abdullah Muzahid , Dylan Siegers , Chia-Che Tsai , Eun Jung Kim

A key challenge for Deep Neural Network (DNN) algorithms is their vulnerability to adversarial attacks. Inherently non-deterministic compute substrates, such as those based on Analog In-Memory Computing (AIMC), have been speculated to…

Emerging Technologies · Computer Science 2025-03-07 Corey Lammie , Julian Büchel , Athanasios Vasilopoulos , Manuel Le Gallo , Abu Sebastian

This paper presents a tutorial and review of SRAM-based Compute-in-Memory (CIM) circuits, with a focus on both Digital CIM (DCIM) and Analog CIM (ACIM) implementations. We explore the fundamental concepts, architectures, and operational…

Hardware Architecture · Computer Science 2024-11-25 Kentaro Yoshioka , Shimpei Ando , Satomi Miyagi , Yung-Chin Chen , Wenlun Zhang
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