한국통신학회논문지 B : 네트워크 및 융합 서비스, v.28, no.1A, pp.17-24
ISSN
1226-4717
Publisher
한국통신학회 (KICS)
Language
Korean
Type
Journal Article
Abstract
Access Network은 대부분의 정보통신망에서 가장 중요한 요소라 할 수 있다. 또한 최종 이용자에서 직접 연결되는 부문으로 가장 많은 투자 재원이 요구되며, 최근에는 광대역의 매우 다양한 접속 기술이 개발 보급되고 있는 상황이다. 가입자의 이동성에 따른, 그리고 무선 전파 자원과 유선 교환 및 전송망을 이용한다는 복합적 특성으로 인하여 기존 유선의 가입자 망과는 다르게 이동망의 Access Network 내지는 가입자 접속부문에 대한 명확한 정의나 상세한 기능 및 범위가 정립되지 못하고 있는 상황이다 이에 본 논문은 ITU-T의 일반적인 Access Network의 기능적 모델을 참조하여 IS 95 A/B 및 cdma2000-1X 이동통신기술 표준의 음성 서비스를 위한 CDMA 기지국 시스템, 기지국 제어 시스템, 이동교환시스템 등의 하위시스템의 특성과 기능을 고찰하여 보다 체계적이고, 기능적 관점에서의 가입자 접속부문에 대한 대안적 정의를 제시한다.
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