JPWO2022029864A1 - - Google Patents
Info
- Publication number
- JPWO2022029864A1 JPWO2022029864A1 JP2022541357A JP2022541357A JPWO2022029864A1 JP WO2022029864 A1 JPWO2022029864 A1 JP WO2022029864A1 JP 2022541357 A JP2022541357 A JP 2022541357A JP 2022541357 A JP2022541357 A JP 2022541357A JP WO2022029864 A1 JPWO2022029864 A1 JP WO2022029864A1
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
- H04B10/672—Optical arrangements in the receiver for controlling the input optical signal for controlling the power of the input optical 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
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/616—Details of the electronic signal processing in coherent optical receivers
-
- 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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07953—Monitoring or measuring OSNR, BER or Q
-
- 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
- H04B10/29—Repeaters
-
- 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
- H04B10/50—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
- H04B10/60—Receivers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/029749 WO2022029864A1 (ja) | 2020-08-04 | 2020-08-04 | 信号処理装置、信号処理方法、受信器及び光通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2022029864A1 true JPWO2022029864A1 (ja) | 2022-02-10 |
JP7166502B2 JP7166502B2 (ja) | 2022-11-07 |
Family
ID=80117882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022541357A Active JP7166502B2 (ja) | 2020-08-04 | 2020-08-04 | 信号処理装置、信号処理方法、受信器及び光通信システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US11888532B2 (ja) |
JP (1) | JP7166502B2 (ja) |
CN (1) | CN116134756A (ja) |
WO (1) | WO2022029864A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014037131A2 (en) * | 2012-09-04 | 2014-03-13 | Alcatel Lucent | Optical communication method for transmitting an information signal |
US20160119059A1 (en) * | 2014-10-22 | 2016-04-28 | Indian Institute Of Technology Delhi | System and a method for free space optical communications |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6545799B1 (en) * | 1998-09-02 | 2003-04-08 | Corning Incorporated | Method and apparatus for optical system link control |
JP2001333005A (ja) | 2000-05-24 | 2001-11-30 | Ntt Docomo Inc | 光空間伝送システム、光空間伝送方法及び光空間伝送装置 |
JP2002246965A (ja) | 2001-02-15 | 2002-08-30 | Ntt Docomo Inc | 情報伝送方法及びシステム、並びに送信装置、及び受信装置 |
JP4686906B2 (ja) * | 2001-06-04 | 2011-05-25 | 株式会社日立製作所 | 波長多重用光伝送装置 |
JP4665344B2 (ja) * | 2001-06-04 | 2011-04-06 | 株式会社日立製作所 | 波長間レベル偏差や光sn偏差を補償する光伝送装置 |
US6721510B2 (en) * | 2001-06-26 | 2004-04-13 | Aoptix Technologies, Inc. | Atmospheric optical data transmission system |
US20030133713A1 (en) * | 2002-01-17 | 2003-07-17 | Ng Eddie Kai Ho | Method and system for multi-level power management in an optical network |
JP2005323145A (ja) | 2004-05-10 | 2005-11-17 | Nippon Telegr & Teleph Corp <Ntt> | 通信システム、その送信局、受信局及び通信方法 |
EP1783050B1 (en) | 2004-06-22 | 2009-05-06 | Japan Aerospace Exploration Agency | Ultrahigh altitude sun synchronous orbit satellite system |
US8401395B2 (en) * | 2009-11-16 | 2013-03-19 | Verizon Patent And Licensing Inc. | Free space optics broadband home network |
JP5499313B2 (ja) * | 2011-05-16 | 2014-05-21 | 株式会社日立製作所 | トランスポンダ、中継装置、及び端局装置 |
WO2015072515A1 (ja) * | 2013-11-15 | 2015-05-21 | 独立行政法人産業技術総合研究所 | 受信信号処理装置、通信システム及び受信信号処理方法 |
JP6316761B2 (ja) | 2015-01-28 | 2018-04-25 | 日本電信電話株式会社 | ダイバーシティ合成光伝送システム |
US9729234B2 (en) | 2015-06-22 | 2017-08-08 | The Boeing Company | Free space optical communications network with bent pipe channel and pilot channel |
US10411362B2 (en) * | 2016-03-29 | 2019-09-10 | Space Systems/Loral, Llc | Synchronization for satellite system |
-
2020
- 2020-08-04 WO PCT/JP2020/029749 patent/WO2022029864A1/ja active Application Filing
- 2020-08-04 CN CN202080104545.0A patent/CN116134756A/zh active Pending
- 2020-08-04 JP JP2022541357A patent/JP7166502B2/ja active Active
-
2022
- 2022-11-10 US US17/984,983 patent/US11888532B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014037131A2 (en) * | 2012-09-04 | 2014-03-13 | Alcatel Lucent | Optical communication method for transmitting an information signal |
US20160119059A1 (en) * | 2014-10-22 | 2016-04-28 | Indian Institute Of Technology Delhi | System and a method for free space optical communications |
Non-Patent Citations (1)
Title |
---|
ANICETO BELMONTE AND JOSEPH M. KAHN: "Capacity of coherent free-space optical links using diversity-combining techniques", OPTICS EXPRESS [ONLINE], vol. 17, no. 15, JPN6022040125, 2009, pages 12601 - 12611, ISSN: 0004882786 * |
Also Published As
Publication number | Publication date |
---|---|
WO2022029864A1 (ja) | 2022-02-10 |
JP7166502B2 (ja) | 2022-11-07 |
CN116134756A (zh) | 2023-05-16 |
US11888532B2 (en) | 2024-01-30 |
US20230072203A1 (en) | 2023-03-09 |
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