KR100407132B1 - 중계 시스템의 링크추출클럭 선택장치 - Google Patents
중계 시스템의 링크추출클럭 선택장치 Download PDFInfo
- Publication number
- KR100407132B1 KR100407132B1 KR10-1999-0053594A KR19990053594A KR100407132B1 KR 100407132 B1 KR100407132 B1 KR 100407132B1 KR 19990053594 A KR19990053594 A KR 19990053594A KR 100407132 B1 KR100407132 B1 KR 100407132B1
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- South Korea
- Prior art keywords
- clock
- link
- extraction
- unit
- link extraction
- Prior art date
Links
- 238000000605 extraction Methods 0.000 claims abstract description 110
- 239000000284 extract Substances 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 14
- 230000000630 rising effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
- H04L7/0012—Synchronisation information channels, e.g. clock distribution lines by comparing receiver clock with transmitter clock
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (1)
- 중계 시스템의 링크추출클럭 선택장치 내의 각 블록에서의 링크추출클럭 선택동작을 제어하도록 제어신호와 클럭선택신호를 출력하는 제어부와;기본클럭을 공급받아 필요한 클럭을 출력하는 클럭공급부와;링크별로 추출클럭을 입력받는 링크추출클럭 입력부와;상기 클럭공급부에서 받은 클럭을 이용하여 상기 링크추출클럭 입력부의 링크추출클럭과 위상동기를 맞추는 위상동기 검출부와;상기 위상동기 검출부에서 동기신호를 입력받아 상기 링크추출클럭 입력부의 링크추출클럭과 상기 클럭공급부의 클럭의 위상차이를 비교하는 클럭위상 비교부와;상기 클럭위상 비교부에서 비교된 위상차이를 이용하여 최적의 안정성을 가진 링크 정보를 추출하여 클럭선택신호를 출력하는 클럭추출부와;상기 클럭추출부의 클럭선택신호에 따라 상기 링크추출클럭 입력부의 링크추출클럭을 선택하여 망동기 블록으로 선택된 기준클럭을 출력하는 추출클럭 선택부로 구성된 것을 특징으로 하는 중계 시스템의 링크추출클럭 선택장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0053594A KR100407132B1 (ko) | 1999-11-29 | 1999-11-29 | 중계 시스템의 링크추출클럭 선택장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0053594A KR100407132B1 (ko) | 1999-11-29 | 1999-11-29 | 중계 시스템의 링크추출클럭 선택장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010048789A KR20010048789A (ko) | 2001-06-15 |
KR100407132B1 true KR100407132B1 (ko) | 2003-11-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-1999-0053594A KR100407132B1 (ko) | 1999-11-29 | 1999-11-29 | 중계 시스템의 링크추출클럭 선택장치 |
Country Status (1)
Country | Link |
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KR (1) | KR100407132B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100454830B1 (ko) * | 2001-11-14 | 2004-11-05 | 유티스타콤코리아 유한회사 | 무선가입자망 시스템에서 프레임 펄스 제공장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01307397A (ja) * | 1988-06-06 | 1989-12-12 | Toshiba Corp | 電子交換機 |
KR19990005630A (ko) * | 1997-06-30 | 1999-01-25 | 윤종용 | 다양한 망동기 클럭 발생장치 |
KR19990042556A (ko) * | 1997-11-27 | 1999-06-15 | 이계철 | 동기 클럭 발생 장치 |
KR19990061861A (ko) * | 1997-12-31 | 1999-07-26 | 서평원 | 사설교환기의 시스템 클럭 동기 장치 |
KR19990031219U (ko) * | 1997-12-30 | 1999-07-26 | 서평원 | 디지탈 중계선 보드의 클럭 위상동기장치 |
-
1999
- 1999-11-29 KR KR10-1999-0053594A patent/KR100407132B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01307397A (ja) * | 1988-06-06 | 1989-12-12 | Toshiba Corp | 電子交換機 |
KR19990005630A (ko) * | 1997-06-30 | 1999-01-25 | 윤종용 | 다양한 망동기 클럭 발생장치 |
KR19990042556A (ko) * | 1997-11-27 | 1999-06-15 | 이계철 | 동기 클럭 발생 장치 |
KR19990031219U (ko) * | 1997-12-30 | 1999-07-26 | 서평원 | 디지탈 중계선 보드의 클럭 위상동기장치 |
KR19990061861A (ko) * | 1997-12-31 | 1999-07-26 | 서평원 | 사설교환기의 시스템 클럭 동기 장치 |
Also Published As
Publication number | Publication date |
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KR20010048789A (ko) | 2001-06-15 |
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