JPWO2021176766A1 - - Google Patents
Info
- Publication number
- JPWO2021176766A1 JPWO2021176766A1 JP2021573148A JP2021573148A JPWO2021176766A1 JP WO2021176766 A1 JPWO2021176766 A1 JP WO2021176766A1 JP 2021573148 A JP2021573148 A JP 2021573148A JP 2021573148 A JP2021573148 A JP 2021573148A JP WO2021176766 A1 JPWO2021176766 A1 JP WO2021176766A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
-
- 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
- H04B10/40—Transceivers
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
- H04B10/0731—Testing or characterisation of optical devices, e.g. amplifiers
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0775—Performance monitoring and measurement of transmission parameters
-
- 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
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
-
- 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
- H04B10/40—Transceivers
- H04B10/43—Transceivers using a single component as both light source and receiver, e.g. using a photoemitter as a photoreceiver
-
- 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
- H04B10/50—Transmitters
-
- 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
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/008592 WO2021176492A1 (ja) | 2020-03-02 | 2020-03-02 | 光送受信器、送信信号決定方法及び光通信システム |
JPPCT/JP2020/008592 | 2020-03-02 | ||
PCT/JP2020/039632 WO2021176766A1 (ja) | 2020-03-02 | 2020-10-21 | 光送受信器、送信信号決定方法及び光通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021176766A1 true JPWO2021176766A1 (ja) | 2021-09-10 |
JP7138811B2 JP7138811B2 (ja) | 2022-09-16 |
Family
ID=77613185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021573148A Active JP7138811B2 (ja) | 2020-03-02 | 2020-10-21 | 光送受信器、送信信号決定方法及び光通信システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US11876554B2 (ja) |
EP (1) | EP4080790B1 (ja) |
JP (1) | JP7138811B2 (ja) |
CN (1) | CN115176425B (ja) |
WO (2) | WO2021176492A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100290779A1 (en) * | 2006-10-16 | 2010-11-18 | Eci Telecom Ltd. | Method for estimating bandwidth limiting effects in high frequency transmission communication systems |
WO2011030897A1 (ja) * | 2009-09-14 | 2011-03-17 | 日本電信電話株式会社 | 帯域可変通信方法、帯域可変通信装置、伝送帯域決定装置、伝送帯域決定方法、ノード装置、通信路設定システム、及び通信路設定方法 |
JP2013016978A (ja) * | 2011-07-01 | 2013-01-24 | Kddi Corp | 光通信システムおよび光通信方法 |
JP2013168746A (ja) * | 2012-02-14 | 2013-08-29 | Mitsubishi Electric Corp | 光伝送システム制御装置、光伝送システム、光伝送システム制御方法及びプログラム |
WO2018029752A1 (ja) * | 2016-08-08 | 2018-02-15 | 三菱電機株式会社 | 光中継装置、ネットワーク管理装置、光伝送システムおよび設定変更方法 |
JP2019161448A (ja) * | 2018-03-13 | 2019-09-19 | 富士通株式会社 | ネットワーク設計装置及びネットワーク設計方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5531832B2 (ja) * | 2010-07-06 | 2014-06-25 | セイコーエプソン株式会社 | 光フィルター、光フィルターモジュール、分光測定器および光機器 |
JP6578962B2 (ja) | 2016-01-25 | 2019-09-25 | 富士通株式会社 | 光伝送装置、光伝送システム、及び光信号の出力制御方法 |
EP3361655B1 (en) | 2016-03-01 | 2020-04-22 | Mitsubishi Electric Corporation | Communication device and subcarrier signal arrangement method |
JP2019114823A (ja) | 2016-03-23 | 2019-07-11 | 日本電気株式会社 | 光伝送システム、光伝送装置及び光伝送システムの制御方法 |
US10735103B2 (en) * | 2016-12-28 | 2020-08-04 | Nec Corporation | Reception device, transmission device, optical communication system and optical communication method |
WO2018134889A1 (ja) * | 2017-01-17 | 2018-07-26 | 三菱電機株式会社 | 通信装置、光伝送システムおよび通信方法 |
US10298321B2 (en) * | 2017-10-18 | 2019-05-21 | Subcom, Llc | In-service testing of optical signal-to-noise ratio |
US10574351B2 (en) * | 2017-10-23 | 2020-02-25 | Huawei Technologies Co., Ltd. | Monitoring performance of optical network equipment using pilot tones |
JP7037061B2 (ja) * | 2018-08-07 | 2022-03-16 | 日本電信電話株式会社 | 通信システム、光送信装置及び光受信装置 |
-
2020
- 2020-03-02 WO PCT/JP2020/008592 patent/WO2021176492A1/ja active Application Filing
- 2020-10-21 CN CN202080097308.6A patent/CN115176425B/zh active Active
- 2020-10-21 WO PCT/JP2020/039632 patent/WO2021176766A1/ja unknown
- 2020-10-21 EP EP20922580.4A patent/EP4080790B1/en active Active
- 2020-10-21 JP JP2021573148A patent/JP7138811B2/ja active Active
-
2022
- 2022-07-14 US US17/865,164 patent/US11876554B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100290779A1 (en) * | 2006-10-16 | 2010-11-18 | Eci Telecom Ltd. | Method for estimating bandwidth limiting effects in high frequency transmission communication systems |
WO2011030897A1 (ja) * | 2009-09-14 | 2011-03-17 | 日本電信電話株式会社 | 帯域可変通信方法、帯域可変通信装置、伝送帯域決定装置、伝送帯域決定方法、ノード装置、通信路設定システム、及び通信路設定方法 |
JP2013016978A (ja) * | 2011-07-01 | 2013-01-24 | Kddi Corp | 光通信システムおよび光通信方法 |
JP2013168746A (ja) * | 2012-02-14 | 2013-08-29 | Mitsubishi Electric Corp | 光伝送システム制御装置、光伝送システム、光伝送システム制御方法及びプログラム |
WO2018029752A1 (ja) * | 2016-08-08 | 2018-02-15 | 三菱電機株式会社 | 光中継装置、ネットワーク管理装置、光伝送システムおよび設定変更方法 |
JP2019161448A (ja) * | 2018-03-13 | 2019-09-19 | 富士通株式会社 | ネットワーク設計装置及びネットワーク設計方法 |
Non-Patent Citations (1)
Title |
---|
KODAMA T. ET AL.: "Simple frequency-domain hybrid-QAM superchannel with path-fitted pre-filtering and collaborative-sub", 2017 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC), JPN6022010122, March 2017 (2017-03-01), US, ISSN: 0004728216 * |
Also Published As
Publication number | Publication date |
---|---|
CN115176425A (zh) | 2022-10-11 |
EP4080790B1 (en) | 2024-07-10 |
CN115176425B (zh) | 2024-03-19 |
JP7138811B2 (ja) | 2022-09-16 |
EP4080790A1 (en) | 2022-10-26 |
WO2021176492A1 (ja) | 2021-09-10 |
US20220352979A1 (en) | 2022-11-03 |
EP4080790A4 (en) | 2023-06-21 |
WO2021176766A1 (ja) | 2021-09-10 |
US11876554B2 (en) | 2024-01-16 |
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