Results 31 to 40 of about 1,123,571 (303)

Dual-polarized antenna design integrated with metasurface and partially reflective surface for 5G communication

open access: yesEPJ Applied Metamaterials, 2020
A design of electrical down-tilt dual-polarized base station antenna array (BSAA) for 5G communication applications is presented in this paper, which is realized by integrating with reconfigurable reflective metasurface and partially reflective surface ...
Li Zhilong   +4 more
doaj   +1 more source

Scaling Logic Area With Multitier Standard Cells

open access: yesIEEE Journal on Exploratory Solid-State Computational Devices and Circuits
While the footprint of digital complementary metal-oxide–semiconductor (CMOS) circuits has continued to decrease over the years, physical limitations for further intralayer geometric scaling become apparent.
Florian Freye   +4 more
doaj   +1 more source

Indoor Non‐Line‐of‐Sight Millimeter‐Wave Coverage Enhancements by Field‐Reorganizable Passive Digital Coding Metasurfaces

open access: yesAdvanced Photonics Research, 2023
Digital metasurfaces define a novel methodology for metasurface designs by adopting discrete coding meta‐atoms to engineer electromagnetic waves in programmable ways.
Jia Qi Han   +6 more
doaj   +1 more source

Efficiency Versus Accuracy: A Review of Design Techniques for DNN Hardware Accelerators

open access: yesIEEE Access, 2021
Deep neural networks (DNNs) have surpassed other algorithms in analyzing today's abundant data. Due to the security and delay requirements of the given applications, analytical data extraction should happen on edge devices.
Cecilia Latotzke, Tobias Gemmeke
doaj   +1 more source

Analog IC Design at the University of Twente [PDF]

open access: yes, 2007
This article describes some recent research results from the IC Design group of the University of Twente, located in Enschede, The Netherlands.\ud \ud Our research focuses on analog CMOS circuit design with emphasis on high frequency and broadband ...
Nauta, Bram
core   +2 more sources

An Improved Model for the Full Well Capacity in Pinned Photodiode CMOS Image Sensors

open access: yesIEEE Journal of the Electron Devices Society, 2015
An improved analytical model for quantifying the full well capacity in pinned photodiode (PPD) CMOS image sensors is proposed. The model captures the characteristics of the realistic technology-induced vertical doping nonuniformity in photon sensing N ...
Chen Cao   +4 more
doaj   +1 more source

Passive On-Chip Components for Fully Integrated Silicon RF VCOs

open access: yesActive and Passive Electronic Components, 2002
In this work integrated passive devices used in RF VCOs are presented. The operation of on-chip inductors and variable capacitors is outlined along with simple electrical equivalent circuits suitable for hand calculations.
Aristides Kyranas, Yannis Papananos
doaj   +1 more source

High-performance Microwave Computational Imaging System Based on Information Metamaterials

open access: yesLeida xuebao, 2021
In this paper, we propose a detailed architectural design, principle of operation, and modeling analysis of a high-performance microwave computational imaging system based on information metamaterials.
Jiaqi HAN   +5 more
doaj   +1 more source

CMOS design of adaptive fuzzy ASICs using mixed-signal circuits [PDF]

open access: yes, 1996
Analog circuits are natural candidates to design fuzzy chips with optimum speed/power figures for precision up to about 1%. This paper presents a methodology and circuit blocks to realize fuzzy controllers in the form of analog CMOS chips.
Navas González, Rafael   +2 more
core   +1 more source

Critical Design Considerations on Continuous Frequency Modulation Localization Systems

open access: yesIET Signal Processing
Real-time locating systems (RTLSs) suffer from clock synchronization inaccuracy among their distributed reference nodes. Conventional systems require periodic time synchronization and typically necessitate a two-way ranging (TWR) clock synchronization ...
Belal Al-Qudsi   +4 more
doaj   +1 more source

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