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Target parameter estimation in active sensing, and particularly radar signal processing, is a long-standing problem that has been studied extensively. In this paper, we propose a novel approach for target parameter estimation in cases where…

信号处理 · 电气工程与系统科学 2022-08-10 Aria Ameri , Arindam Bose , Jian Li , Mojtaba Soltanalian

The paper considers the calibration of control-bounded analog-to-digital converters. It is demonstrated that variations of the analog frontend can be addressed by calibrating the digital estimation filter. In simulations (both behavioral…

系统与控制 · 电气工程与系统科学 2023-11-15 Hampus Malmberg , Till Mettler , Thomas Burger , Fredrik Feyling , Hans-Andrea Loeliger

The power consumption of digital-to-analog converters (DACs) constitutes a significant proportion of the total power consumption in a massive multiuser multiple-input multiple-output (MU-MIMO) base station (BS). Using 1-bit DACs can…

信号处理 · 电气工程与系统科学 2019-06-11 Lei Chu , Fei Wen , Lily Li , Robert Qiu

In this paper, we propose a two-stage analog combining architecture for millimeter wave (mmWave) communications with hybrid analog/digital beamforming and low-resolution analog-to-digital converters (ADCs). We first derive a two-stage…

信息论 · 计算机科学 2018-12-04 Jinseok Choi , Gilwon Lee , Brian L. Evans

Motivated by the practical constraints arising in emerging sensor network and Internet-of-Things (IoT) applications, the zero-delay transmission of a Gaussian measurement over a real single-input multiple-output (SIMO) additive white…

信息论 · 计算机科学 2017-06-01 Morteza Varasteh , Borzoo Rassouli , Osvaldo Simeone , Deniz Gunduz

Operations typically used in machine learning al-gorithms (e.g. adds and soft max) can be implemented bycompact analog circuits. Analog Application-Specific Integrated Circuit (ASIC) designs that implement these algorithms using techniques…

神经与进化计算 · 计算机科学 2021-06-24 Shih-Chii Liu , John Paul Strachan , Arindam Basu

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…

硬件体系结构 · 计算机科学 2017-02-16 Yilei F. Li , Li Du

We propose a novel digital-to-analog converter (DAC) weighting architecture that statistically minimizes the distortion caused by random current mismatches. Unlike binary, thermometer-coded, and segmented DACs, the current weights of the…

信号处理 · 电气工程与系统科学 2025-05-27 Ramin Babaee , Shahab Oveis Gharan , Martin Bouchard

This paper proposes a two-phase orthogonal time frequency space (OTFS)-based integrated positioning and communication (IPAC) framework under realistic low-resolution analog-to-digital converters (ADCs). In the uplink phase, the positioning…

信号处理 · 电气工程与系统科学 2026-02-10 Yueyi Yang , Zeping Sui , Zilong Liu , Leila Musavian

Digital and analog semantic communications (SemCom) face inherent limitations such as data security concerns in analog SemCom, as well as leveling-off and cliff-edge effects in digital SemCom. In order to overcome these challenges, we…

信号处理 · 电气工程与系统科学 2024-05-29 Huiqiang Xie , Zhijin Qin , Zhu Han , Khaled B. Letaief

Modulation classification is an essential step of signal processing and has been regularly applied in the field of tele-communication. Since variations of frequency with respect to time remains a vital distinction among radio signals having…

信号处理 · 电气工程与系统科学 2023-06-09 Muhammad Waqas , Muhammad Ashraf , Muhammad Zakwan

Analog Lagrange Coded Computing (ALCC) is a recently proposed coded computing paradigm wherein certain computations over analog datasets can be efficiently performed using distributed worker nodes through floating point implementation.…

信息论 · 计算机科学 2024-05-14 Rimpi Borah , J. Harshan

Communication systems with low-resolution analog-to-digital-converters (ADCs) can exploit channel state information at the transmitter and receiver. This paper presents codebook designs and performance analyses for limited feedback MIMO…

信息论 · 计算机科学 2017-04-17 Jianhua Mo , Robert W. Heath

Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance in many different 2D medical image analysis tasks. In clinical practice, however, a large part of the medical imaging data available is in 3D. This has…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Guodong Zeng , Guoyan Zheng

Targeting error-tolerant applications, approximate computing relaxes rigid functional equivalence to significantly improve power, performance, and area. Traditional approximate logic synthesis (ALS) relies on incremental rewriting, limiting…

硬件体系结构 · 计算机科学 2026-04-28 Jingxin Wang , Shitong Guo , Wenhui Liang , Ruicheng Dai , Ruogu Ding , Xin Ning , Weikang Qian

In this paper, we propose an analog network coding scheme with differential modulation (ANC-DM) using amplify-and-forward protocol for bidirectional relay networks when neither the source nodes nor the relay knows the channel state…

信息论 · 计算机科学 2011-12-01 Lingyang Song , Yonghui Li , Anpeng Huang , Bingli Jiao , Athanasios V. Vasilakos

The demand for computation resources and energy efficiency of Convolutional Neural Networks (CNN) applications requires a new paradigm to overcome the "Memory Wall". Analog In-Memory Computing (AIMC) is a promising paradigm since it…

分布式、并行与集群计算 · 计算机科学 2022-11-24 Nazareno Bruschi , Giuseppe Tagliavini , Angelo Garofalo , Francesco Conti , Irem Boybat , Luca Benini , Davide Rossi

Silicon-based analog neural networks physically embody the ideal neural network model in an approximate way. We show that by retraining the neural network using a physics-informed hardware-aware model one can fully recover the inference…

Analog photonic solutions offer unique opportunities to address complex computational tasks with unprecedented performance in terms of energy dissipation and speeds, overcoming current limitations of modern computing architectures based on…

This paper proposes a novel communication-efficient Split Learning (SL) framework, named Attention-based Double Compression (ADC), which reduces the communication overhead required for transmitting intermediate Vision Transformers…

机器学习 · 计算机科学 2025-09-19 Federico Alvetreti , Jary Pomponi , Paolo Di Lorenzo , Simone Scardapane