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We propose a new digital-to-analog converter (DAC) for realizing a synapse circuit of mixed-signal spiking neural networks. We named this circuit "time-domain DAC (TDAC)". This produces weights for converting a digital input code into…

信号处理 · 电气工程与系统科学 2020-01-22 Seiji Uenohara , Kazuyuki Aihara

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…

信号处理 · 电气工程与系统科学 2024-07-17 Gourab Barik , Gaurav Kumar K , Baibhab Chatterjee , Shovan Maity , Sumon Bose , Shreyas Sen

As the bridge between the analog world and digital computers, analog-to-digital converters are generally used in modern information systems such as radar, surveillance, and communications. For the configuration of analog-to-digital…

信号处理 · 电气工程与系统科学 2018-10-23 Shaofu Xu , Xiuting Zou , Bowen Ma , Jianping Chen , Lei Yu , Weiwen Zou

- This paper describes a pipeline analog-to-digital converter is implemented for high speed camera. In the pipeline ADC design, prime factor is designing operational amplifier with high gain so ADC have been high speed. The other advantage…

机器人学 · 计算机科学 2008-08-05 Eri Prasetyo , Hamzah Afandi , Nurul Huda Dominique Ginhac , Michel Paindavoine

Digital-to-analog converters (DAC) are indispensable functional units in signal processing instrumentation and wide-band telecommunication links for both civil and military applications. Since photonic systems are capable of high data…

信号处理 · 电气工程与系统科学 2020-12-07 Jiawei Meng , Mario Miscuglio , Jonathan K. George , Aydin Babakhani , Volker J. Sorger

In future high-capacity wireless systems based on mmWave or massive multiple input multiple output (MIMO), the power consumption of receiver Analog to Digital Converters (ADC) is a concern. Although hybrid or analog systems with fewer ADCs…

信息论 · 计算机科学 2019-01-29 Waqas bin Abbas , Felipe Gomez-Cuba , Michele Zorzi

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…

信息论 · 计算机科学 2020-05-12 Jinseok Choi , Gilwon Lee , Ahmed Alkhateeb , Alan Gatherer , Naofal Al-Dhahir , Brian L. Evans

This paper presents a fully integrated second-order level-crossing sampling data converter for real-time data compression and feature extraction. Compared with level-sampling ADCs which sample at fixed voltage levels, the proposed circuits…

信号处理 · 电气工程与系统科学 2022-12-20 Mario Renteria-Pinon , Xiaochen Tang , Jaime Ramirez-Angulo , Wei Tang

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…

仪器与探测器 · 物理学 2020-05-14 Marek Gasior

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…

最优化与控制 · 数学 2012-06-22 Mitra Osqui , Alexandre Megretski , Mardavij Roozbehani

In this paper, we propose a novel semantic digital analog converter (sDAC) for the compatibility of semantic communications and digital communications. Most of the current semantic communication systems are based on the analog modulations,…

信息论 · 计算机科学 2024-05-07 Zhicheng Bao , Chen Dong , Xiaodong Xu

Low resolution analog-to-digital converters (ADCs) can be employed to improve the energy efficiency (EE) of a wireless receiver since the power consumption of each ADC is exponentially related to its sampling resolution and the hardware…

信号处理 · 电气工程与系统科学 2020-03-11 Aryan Kaushik , Christos Tsinos , Evangelos Vlachos , John Thompson

Low-resolution analog-to-digital converters (ADCs) have emerged as a promising technology for reducing power consumption and complexity in massive multiple-input multiple-output (MIMO) systems while maintaining satisfactory spectral and…

信号处理 · 电气工程与系统科学 2025-05-06 Mengyuan Ma , Nhan Thanh Nguyen , Italo Atzeni , Markku Juntti

The fundamental limits of communication over multiple-input multiple-output (MIMO) networks are considered when a limited number of one-bit analog to digital converters (ADC) are used at the receiver terminals. Prior works have mainly…

信息论 · 计算机科学 2019-02-04 Abbas Khalili , Farhad Shirani , Elza Erkip , Yonina C. Eldar

Spiking Neural Networks (SNNs) are bio-plausible models that hold great potential for realizing energy-efficient implementations of sequential tasks on resource-constrained edge devices. However, commercial edge platforms based on standard…

神经与进化计算 · 计算机科学 2023-09-26 Marco Paul E. Apolinario , Adarsh Kumar Kosta , Utkarsh Saxena , Kaushik Roy

Data encoding is a fundamental step in emerging computing paradigms, particularly in stochastic computing (SC) and hyperdimensional computing (HDC), where it plays a crucial role in determining the overall system performance and hardware…

新兴技术 · 计算机科学 2025-01-07 Mehran Shoushtari Moghadam , Sercan Aygun , M. Hassan Najafi

Analog-to-digital converters (ADCs) are a major contributor to the power consumption of multiple-input multiple-output (MIMO) communication systems with large number of antennas. Use of low resolution ADCs has been proposed as a means to…

信息论 · 计算机科学 2019-01-29 Abbas Khalili , Farhad Shirani , Elza Erkip , Yonina C. Eldar

Low-resolution digital-to-analog converters (DACs) and analog-to-digital converters (ADCs) are considered to reduce cost and power consumption in multiuser massive multiple-input multiple-output (MIMO). Using the Bussgang theorem, we derive…

信息论 · 计算机科学 2017-06-22 Jindan Xu , Wei Xu , Fengkui Gong

Analog to Digital Converters (ADCs) are a major contributor to the energy consumption on the receiver side of millimeter-wave multiple-input multiple-output (MIMO) systems with large antenna arrays. Consequently, there has been significant…

信息论 · 计算机科学 2022-02-08 Farhad Shirani , Hamidreza Aghasi

Analog-to-digital conversion (ADC) is a key bottleneck in scaling DSP-centric receiver architectures to multiGigabit/s speeds. Recent information-theoretic results, obtained under ideal channel conditions (perfect synchronization, no…

信息论 · 计算机科学 2011-12-21 Jaspreet Singh , Upamanyu Madhow