한국통신학회논문지 B : 네트워크 및 융합 서비스, v.27, no.10C, pp.1008-1014
ISSN
1226-4717
Publisher
한국통신학회 (KICS)
Language
Korean
Type
Journal Article
Abstract
본 논문은 승산기를 사용하지 않은 인터폴레이션 FIR 필터에 관한 것이다 . 승산기를 사용하지 않기 위하여 2 의 보수 형태인 멸티 비트 필터 입력을 단일 비트로 변환하는 필터 입력의 단일 비트화 기법과 필터 계수의 대칭성 및 룩업 테이블 내의 대칭성을 효과적으로 사용한 룩업 테이블 최소화 기법을 사용함으로써 승산기를 사용하지 않고 B 비트 입력의 T탭 I:N 인터폴레이션 FIR 필터 연산을 처리하는 새로운 필터의 설계 기법을 제안하였다 .본 논문에서 제안한 2 가지 FIR 필터의 성능을 측정하기 위해 IMT-2000 에서 규격으로 채택한 2 가지 설계 파라미터를 적용하여 구현하였고 설계 결과의 상대적인 비교를 위하여 일반적으로 널리 알려진 구조인 transversal 필터의 설계 결과와 비교한 결과 두가지 필터 구조 모두 동작 주파수의 큰 증가 없이 게이트 수를 약 70 % 출일 수 있는 장점을 가졌다.
KSP Keywords
IMT-2000
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