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相关论文: FPGA Implementation of Low-Power Multiplierless Pr…

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Multipliers are widely-used arithmetic operators in digital signal processing and machine learning circuits. Due to their relatively high complexity, they can have high latency and be a significant source of power consumption. One strategy…

硬件体系结构 · 计算机科学 2023-10-17 Shervin Vakili , Mobin Vaziri , Amirhossein Zarei , J. M. Pierre Langlois

Cell-free massive multiple-input multiple-output (CF mMIMO) systems serve the user equipments (UEs) by geographically distributed access points (APs) by means of joint transmission and reception. To limit the power consumption due to…

信号处理 · 电气工程与系统科学 2023-04-25 Shuaifei Chen , Jiayi Zhang , Emil Björnson , Özlem Tuğfe Demir , Bo Ai

This paper proposes a "quasi-synchronous" design approach for signal processing circuits, in which timing violations are permitted, but without the need for a hardware compensation mechanism. The case of a low-density parity-check (LDPC)…

信息论 · 计算机科学 2017-11-21 François Leduc-Primeau , Frank R. Kschischang , Warren J. Gross

Efficient and real time segmentation of color images has a variety of importance in many fields of computer vision such as image compression, medical imaging, mapping and autonomous navigation. Being one of the most computationally…

计算机视觉与模式识别 · 计算机科学 2017-10-09 Roopal Nahar , Akanksha Baranwal , K. Madhava Krishna

To satisfy the growing throughput demand of data-intensive applications, the performance of optical communication systems increased dramatically in recent years. With higher throughput, more advanced equalizers are crucial, to compensate…

硬件体系结构 · 计算机科学 2024-05-07 Jonas Ney , Christoph Füllner , Vincent Lauinger , Laurent Schmalen , Sebastian Randel , Norbert Wehn

In this paper we present a comparative study in order to specify the influence of equalization enhanced phase noise (EEPN) for pre- and post-compensation of chromatic dispersion in high capacity and high constellation systems. This is - to…

信息论 · 计算机科学 2016-07-21 Gunnar Jacobsen , Marisol Lidón , Tianhua Xu , Sergei Popov , Ari T. Friberg , Yimo Zhang

Wavelength division multiplexers are fundamental to the functioning and performance of integrated photonic circuits, with applications ranging from optical interconnects to sensing and quantum technologies. Current solutions are limited by…

光学 · 物理学 2026-03-11 Sydney Mason , Geun Ho Ahn , Jakob Grzesik , Sungjun Eun , Jelena Vučković

A long-haul transmission of 100 Gb/s without optical chromatic-dispersion (CD) compensation provides a range of benefits regarding cost effectiveness, power budget, and nonlinearity tolerance. The channel memory is largely dominated by CD…

信息论 · 计算机科学 2016-11-29 Jawad Munir , Amine Mezghani , Haris Khawar , Josef A. Nossek

High-throughput imaging workflows, such as Parallel Rapid Imaging with Spectroscopic Mapping (PRISM), generate data at rates that exceed conventional real-time processing capabilities. We present a scalable FPGA-based preprocessing pipeline…

硬件体系结构 · 计算机科学 2025-11-26 Weichien Liao

Fully Field Programmable Gate Array (FPGA)based digitizer for high-resolution time and energy measurement is an attractive low cost solution for the readout electronics in positron emission computed tomography (PET)detector. In recent…

仪器与探测器 · 物理学 2022-01-07 Cong Ma , Wubin Wang , Xiaokun Zhao , Li Yu , Guocheng Wu

Cutting edge FPGAs are not energy efficient as conventionally presumed to be, and therefore, aggressive power-saving techniques have become imperative. The clock rate of an FPGA-mapped design is set based on worst-case conditions to ensure…

硬件体系结构 · 计算机科学 2019-11-19 Behnam Khaleghi , Sahand Salamat , Mohsen Imani , Tajana Rosing

In this work, we present a high-throughput field programmable gate array (FPGA) demonstrator of an artificial neural network (ANN)-based equalizer. The equalization is performed and illustrated in real-time for a 30 GBd, two-level pulse…

信号处理 · 电气工程与系统科学 2024-02-26 Jonas Ney , Patrick Matalla , Vincent Lauinger , Laurent Schmalen , Sebastian Randel , Norbert Wehn

3D FPGAs have recently been produced as the next generation of the FPGA family to continue the integration of more transistors on a single chip seamlessly. In this paper, we propose a complete CAD flow to implement an arbitrary logic…

硬件体系结构 · 计算机科学 2023-04-18 Hemin Rahimi , Hadi jahanirad

The ever-increasing data rates of modern communication systems lead to severe distortions of the communication signal, imposing great challenges to state-of-the-art signal processing algorithms. In this context, neural network (NN)-based…

信号处理 · 电气工程与系统科学 2024-07-04 Jonas Ney , Norbert Wehn

High peak-to-average power ratio (PAPR) has long posed a challenge for multi-carrier systems, impacting amplifier efficiency and overall system performance. This paper introduces dynamic angle fractional Fourier division multiplexing…

信息论 · 计算机科学 2024-11-14 Yewen Cao , Yulin Shao , Rose Qingyang Hu

We present a fully parallel digital memcomputing solver implemented on a field-programmable gate array (FPGA) board. For this purpose, we have designed an FPGA code that solves the ordinary differential equations associated with digital…

新兴技术 · 计算机科学 2025-05-06 Dyk Chung Nguyen , Yuriy V. Pershin

Recent generations of Field Programmable Gate Arrays (FPGAs) have become indispensible tools for complex state machine control and signal processing, and now routinely incorporate CPU cores to allow execution of user software code. At the…

仪器与探测器 · 物理学 2015-06-26 Gary S. Varner

A method to reduce the transit time of majority of carriers in photomixers and photo detectors to $< 1$ ps is proposed. Enhanced optical fields associated with surface plasmon polaritons, coupled with velocity overshoot phenomenon results…

光学 · 物理学 2015-06-26 Subrahmanyam Pilla

A high speed quasi-distributed demodulation method based on the microwave photonics and the chromatic dispersion effect is designed and implemented for weak fiber Bragg gratings (FBGs). Due to the effect of dispersion compensation fiber…

仪器与探测器 · 物理学 2018-07-04 Lei Zhou , ZhengYing Li , Na Xiang

Time-division multiplexing of cryogenic signals is a promising approach to reduce space requirements, shorten cooldown times, and increase the number of quantum devices measured per cooldown. We demonstrate time-division multiplexing of…