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논문 기본 정보

자료유형
학술저널
저자정보
Pramod Kumar Meher (Nanyang Technological University) Sang Yoon Park (Myongji University)
저널정보
대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.16 No.3
발행연도
2016.6
수록면
261 - 273 (13page)

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초록· 키워드

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Reconfigurable finite impulse response (FIR) filters whose filter coefficients and filter order change dynamically during run-time play an important role in the software defined radio (SDR) systems, multi-channel filters, and digital up/down converters. However, there are not many reports on such reconfigurable designs which can support dynamic variation of filter order and filter coefficients. The purpose of this paper is to provide an architectural solution for the FIR filters to support run-time variation of the filter order and filter coefficients. First, two straightforward designs, namely, (i) single-MAC based design and (ii) full-parallel design are presented. For large variation of the filter order, two designs based on (iii) folded structure and (iv) fast FIR algorithm are presented. Finally, we propose (v) high throughput design which provides significant advantage in terms of hardware and/or time complexities over the other designs. We compare complexities of all the five structures, and provide the synthesis results for verification.

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Abstract
I. INTRODUCTION
II. BASIC DESIGNS OF VARIABLE-LENGTH FIR FILTERS
III. DESIGNS FOR LARGE VARIATION OF FILTER ORDER
IV. RECONFIGURATION OF ARBITRARY LENGTH
V. HARDWARE AND TIME COMPLEXITY
VI. CONCLUSIONS
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