ReAdapt-II: Energy-Quality Optimizations for VLSI Adaptive Filters Through Automatic Reconfiguration and Built-In Iterative Dividers

IF 2.8 2区 工程技术 Q2 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
Pedro T. L. Pereira;Patrícia Ucker L. Costa;Eduardo da Costa;Paulo Flores;Sergio Bampi
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引用次数: 0

Abstract

Adaptive filters using least mean square (LMS) algorithms offer high precision, low complexity, and fast convergence, but choosing the correct algorithm can be difficult and time-consuming. In this brief, we present ReAdapt-II, a VLSI circuit that enhances energy efficiency in adaptive filters through automatic reconfiguration and built-in iterative dividers, optimizing the energy-quality (EQ) tradeoff. This design features a self-selecting, reconfigurable hardware system with four adaptive algorithms, integrating iterative-based dividers and reusing arithmetic operators. Our results show a minimum energy consumption reduction of 39.75%, a 66.61% reduction in the circuit area, and a maximum accuracy increase of 17.07% compared with the previous ReAdapt architecture.
ReAdapt-II:通过自动重新配置和内置迭代除法器优化 VLSI 自适应滤波器的能耗质量
使用最小均方(LMS)算法的自适应滤波器具有高精度、低复杂度和快速收敛性,但选择正确的算法可能很困难且耗时。在本文中,我们介绍了ReAdapt-II,这是一种VLSI电路,通过自动重新配置和内置迭代分频器来提高自适应滤波器的能效,优化了能量质量(EQ)权衡。本设计具有自选择、可重构的硬件系统,具有四种自适应算法,集成了基于迭代的除法和可重用的算术运算符。结果表明,与之前的ReAdapt架构相比,该架构最小能耗降低了39.75%,电路面积减少了66.61%,最大精度提高了17.07%。
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来源期刊
CiteScore
6.40
自引率
7.10%
发文量
187
审稿时长
3.6 months
期刊介绍: The IEEE Transactions on VLSI Systems is published as a monthly journal under the co-sponsorship of the IEEE Circuits and Systems Society, the IEEE Computer Society, and the IEEE Solid-State Circuits Society. Design and realization of microelectronic systems using VLSI/ULSI technologies require close collaboration among scientists and engineers in the fields of systems architecture, logic and circuit design, chips and wafer fabrication, packaging, testing and systems applications. Generation of specifications, design and verification must be performed at all abstraction levels, including the system, register-transfer, logic, circuit, transistor and process levels. To address this critical area through a common forum, the IEEE Transactions on VLSI Systems have been founded. The editorial board, consisting of international experts, invites original papers which emphasize and merit the novel systems integration aspects of microelectronic systems including interactions among systems design and partitioning, logic and memory design, digital and analog circuit design, layout synthesis, CAD tools, chips and wafer fabrication, testing and packaging, and systems level qualification. Thus, the coverage of these Transactions will focus on VLSI/ULSI microelectronic systems integration.
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