KR100921745B1 - 다재다능한 수동형 가입자망 - Google Patents
다재다능한 수동형 가입자망 Download PDFInfo
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- KR100921745B1 KR100921745B1 KR1020070131132A KR20070131132A KR100921745B1 KR 100921745 B1 KR100921745 B1 KR 100921745B1 KR 1020070131132 A KR1020070131132 A KR 1020070131132A KR 20070131132 A KR20070131132 A KR 20070131132A KR 100921745 B1 KR100921745 B1 KR 100921745B1
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- wavelength
- splitter
- pon
- subscriber network
- passive
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- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2581—Multimode transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
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- Signal Processing (AREA)
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- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (4)
- 전화국용 회선단말과, 원격분배기와, 댁내용 광망종단장치를 포함하는 수동형 가입자망에 있어서,상기 전화국용 회선단말의 광섬유는 상기 원격분배기 내에서 두 갈래로 분기되어 그 중 하나에는 파장분할기가 설치되고 나머지 하나에는 파워 스플리터가 설치되며, 상기 파장분할기를 통과한 광과 상기 파워 스플리터를 통과한 광이 합쳐지도록 상기 파장분할기 및 파워 스플리터의 뒤에 광대역 커플러를 설치하여 상기 광대역 커플러를 통하여 상기 댁내용 광망종단장치로 1600~1650nm의 망 진단용 파장대역을 포함하는 하향신호가 전송되도록 함으로써 파장에 무관한 수동형 가입자망과 파장분할형 수동형 가입자망을 동시에 또는 선택적으로 서비스하는 것을 특징으로 하는 수동형 가입자망.
- 제1항에 있어서, 상기 파장분할기는 1200~1700nm 파장 범위에서 1550nm 밴드만을 통과시키면서 파장분할시키고, 상기 파워 스플리터는 그 나머지 밴드를 통과시키는 것을 특징으로 하는 수동형 가입자망.
- 제1항에 있어서, 상기 전화국용 회선단말에서 댁내용 광망종단장치로의 하향신호는 1490nm, 상기 1600 ~ 1650nm, 및 1550nm 밴드를 포함하고, 상기 댁내용 광망종단장치에서 상기 전화국용 회선단말로의 상향신호는 1310nm 및 1550nm 밴드를 포함하며,상기 파장분할기는 그 중에서 1550nm 밴드만을 통과시키고, 상기 파워 스플리터는 1550nm 밴드를 제외한 나머지인 1310nm, 1490nm, 및 상기 1600 ~ 1650nm 밴드를 통과시키는 것을 특징으로 하는 수동형 가입자망.
- 제1항에 있어서, 상기 파장분할기는 AWG 또는 WGR 인 것을 특징으로 하는 수동형 가입자망.
Priority Applications (1)
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KR1020070131132A KR100921745B1 (ko) | 2007-12-14 | 2007-12-14 | 다재다능한 수동형 가입자망 |
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KR1020070131132A KR100921745B1 (ko) | 2007-12-14 | 2007-12-14 | 다재다능한 수동형 가입자망 |
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KR20090063681A KR20090063681A (ko) | 2009-06-18 |
KR100921745B1 true KR100921745B1 (ko) | 2009-10-15 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100813897B1 (ko) * | 2006-11-07 | 2008-03-18 | 한국과학기술원 | 기존의 수동형 광가입자 망에서 파장분할다중방식 수동형광가입자 망 기반의 차세대 광가입자 망으로 진화하는 방법및 네트워크 구조 |
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- 2007-12-14 KR KR1020070131132A patent/KR100921745B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100813897B1 (ko) * | 2006-11-07 | 2008-03-18 | 한국과학기술원 | 기존의 수동형 광가입자 망에서 파장분할다중방식 수동형광가입자 망 기반의 차세대 광가입자 망으로 진화하는 방법및 네트워크 구조 |
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