Browse > Article

Design and Implementation of Network Synchronization for NG-SDH System  

Yang Choong-reol (한국전자통신연구원 BcN전달망연구그룹)
Lee Jong-hyun (한국전자통신연구원 BcN전달망연구그룹)
Kim Whan-woo (충남대학교 전자공학과)
Abstract
In this paper, We have design and implement the network synchronization module for NG-SDH system having 120 Gbps capacity. and also evaluate the performance of it. We also propose analyzing algorithm clock characterisrics on NG-SDH node clock based on the evaluation results.
Keywords
NG-SDH; Network Synchronization; EoS; DP-PLL; Wander;
Citations & Related Records
연도 인용수 순위
  • Reference
1 ITU-T Draft Recommandation G.7041, 'Generic framing procedure(GFP)', Dec. 2001
2 ITU-T Recommandation G.811, 'Timing requirements of premary reference clock,' Sep., 1997
3 ITU-T Recommandation G.810, Definition and terminology for synchronization networks,' Sept., 1997
4 ITU-T Recommandation G.813, 'Timing characteristics of SDH equipment slave clocks(SEC),' August 1996
5 김진권, '동기식 전송망의 동기 클럭원 공급방안에 관한 고찰', 정보통신연구지, 제11권 1호, 1997.4
6 ITU-T Rec. G.825, 'The Control of Jitter and wander within digital networks which are based un the Synchronous digital hierarchy.' Nov., 1999
7 ITU-T Recommandation 0.172, 'Jitter and wander measuring equipment for digital systems which are based on the synchronous digital hierarchy (SDH), 1999
8 ITU-T Recommandation G.812, 'Timing requirements of slave clocks suitable for use as node clocks in synchronization networks,' June, 1998
9 Venceslav F. Kroupa, 'Noise Properties of PLL Systems,' IEEE Transactions on communications, vol. com-30, no. 10, pp 2244-2252, Oct. 1982
10 KTS-ITU-G812-03, 디지틀 네트워크 동기기준, 한국통신 1996.10
11 Guowei Shi, 'The Research on SDH Network Synchronization,' Circuits and systems, IEEE APCCAS 2000, pp. 841-844,' The 2000 IEEE Asia-Pacific Conference, 4-6 Dec. 2000
12 ITU-T Recommandation G.8251, 'The control of jitter and wander whin the optical transport networks (OTN),' 2001
13 이동훈, '디지털 통신망 동기기능 조사분석', ETRI 조사분석지, pp. 72-80, 1997
14 ITU-T G.781, 'Synchronization layer functions,' 1999
15 이창기, '동기식 선형망에서의 망동기 클럭 특성분석에 관한연구', 한국통신학화논문지, 97-9, vol. 22, No.9, pp. 2062-2072