The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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A System Development, Performance Assessment, and Service Implementation of ATM-based High-rate Digital Subscriber Line (HDSL)

ATM 기반 HDSL 개발, 동 선로 상의 성능 평가 및 서비스 구현

  • Published : 1998.06.01
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Abstract

We, in this paper, have implemented T1, E1 and fractional E1 HDSL(High-bit-rate digital subscriber line) function over an ATM switching system. The maxi$\mu$ loop lengths for subscriber service and cell loss rates to meet the bit error rate of 10$^{-7}$ at transmission of 2B1Q HDSL data E1 rate over existing telephone copper wires in the presence of the significant impairments such as NEXT(Nearned crosstalk), impulse noise, power line noise and longitudinal over the CSAs environment consisting of 26 gauge and 25 gauge unloaded copper telephone lines has assessed. HDSL will intially be used to serve private-DS1, ISDN-BRA, and DLC feeders, later DS1 extension from optic fiber cable. We also present market provision for the HDSL.

본 논문에서는 ATM(Asynchronous Transfer Mode) 교환기 시스템에 T1, E1 및 부분적으로 E1급 속도의 중 저속 HDSL(High-rate digital subscriber line) 정합 기능을 개발하고, 근단누화(NEXT), 임펄스. 선로 잡음(power line noise) 및 접지 임피던스(longitudinal) 잡음 같은 주요 전송 손실이 존재하는 0.4 mm 및 0.5 mm의 기존 전화가입자 선로(UTP, Unshielded twisted pair)를 사용하는 CSA(Carrier serving areas) 선로 모델을 이용하여 $10^{-7}$의 BER(Bit error rates)의 전송 성능을 만족하기 위한 가입자 서비스 전송 거리 성능을 평가하였다. HDSL은 DSI, ISDN 기본 속도 접속 및 DLC 피더에 사용될 것이며 광 케이블과 인터페이스될 것이다. 또한, HDSL 시잔 전망을 제시한다.

Keywords

References

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