CN105141334B - 一种用于评估相干系统频率偏差容忍度的方法及装置 - Google Patents
一种用于评估相干系统频率偏差容忍度的方法及装置 Download PDFInfo
- Publication number
- CN105141334B CN105141334B CN201510448349.6A CN201510448349A CN105141334B CN 105141334 B CN105141334 B CN 105141334B CN 201510448349 A CN201510448349 A CN 201510448349A CN 105141334 B CN105141334 B CN 105141334B
- Authority
- CN
- China
- Prior art keywords
- coherent system
- narrow linewidth
- frequency departure
- linewidth laser
- frequency
- Prior art date
- 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.)
- Active
Links
Landscapes
- Optical Communication System (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510448349.6A CN105141334B (zh) | 2015-07-28 | 2015-07-28 | 一种用于评估相干系统频率偏差容忍度的方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510448349.6A CN105141334B (zh) | 2015-07-28 | 2015-07-28 | 一种用于评估相干系统频率偏差容忍度的方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105141334A CN105141334A (zh) | 2015-12-09 |
CN105141334B true CN105141334B (zh) | 2018-10-12 |
Family
ID=54726568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510448349.6A Active CN105141334B (zh) | 2015-07-28 | 2015-07-28 | 一种用于评估相干系统频率偏差容忍度的方法及装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105141334B (zh) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0563648A (ja) * | 1991-09-02 | 1993-03-12 | Hitachi Ltd | 光注入同期装置、光受信装置および光通信装置 |
CN101018083A (zh) * | 2007-02-14 | 2007-08-15 | 哈尔滨工业大学 | Mpsk移动通信系统中多普勒频移的补偿方法 |
CN101505290A (zh) * | 2009-03-17 | 2009-08-12 | 山东大学 | 改进的宽带mimo中频偏估计方法 |
CN101924722A (zh) * | 2009-06-15 | 2010-12-22 | 华为技术有限公司 | Oofdm信号的产生和接收方法、装置和波分复用系统 |
CN102170311A (zh) * | 2010-07-07 | 2011-08-31 | 曹祥东 | 一种基于远端全相干发射与接收的相干传输方法及装置 |
CN102264012A (zh) * | 2011-07-29 | 2011-11-30 | 中兴通讯股份有限公司 | 一种pon系统的本振同步方法及onu和olt |
CN103401832A (zh) * | 2013-08-12 | 2013-11-20 | 武汉邮电科学研究院 | 包含数据的光信号的发送设备和接收设备及方法 |
CN103620989A (zh) * | 2011-03-01 | 2014-03-05 | 奥普内斯特子系统公司 | 用于相干光信号的正交时间偏斜检测 |
WO2014114332A1 (en) * | 2013-01-23 | 2014-07-31 | Huawei Technologies Co., Ltd. | Coherent optical transmitter and coherent optical receiver |
CN104038465A (zh) * | 2014-06-27 | 2014-09-10 | 华南师范大学 | 一种适用于co-ofdm系统的多子块相位噪声估计补偿方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8718490B2 (en) * | 2007-10-03 | 2014-05-06 | Nec Laboratories America, Inc. | Coherent optical orthogonal frequency division multiplexing (OFDM) reception using self optical carrier extraction |
US8184731B2 (en) * | 2009-02-17 | 2012-05-22 | Nec Laboratories America, Inc. | Feedback adjustable constellation de-mapper |
US8218979B2 (en) * | 2009-06-30 | 2012-07-10 | Alcatel Lucent | System, method and apparatus for coherent optical OFDM |
US20130083872A1 (en) * | 2011-10-01 | 2013-04-04 | Anubala Varikat | Method for coherent and non coherent demodulation |
KR101466536B1 (ko) * | 2014-03-18 | 2014-11-27 | 연세대학교 산학협력단 | 광 코히어런트 시스템에서의 주파수 오프셋 보상 방법 및 그 장치 |
-
2015
- 2015-07-28 CN CN201510448349.6A patent/CN105141334B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0563648A (ja) * | 1991-09-02 | 1993-03-12 | Hitachi Ltd | 光注入同期装置、光受信装置および光通信装置 |
CN101018083A (zh) * | 2007-02-14 | 2007-08-15 | 哈尔滨工业大学 | Mpsk移动通信系统中多普勒频移的补偿方法 |
CN101505290A (zh) * | 2009-03-17 | 2009-08-12 | 山东大学 | 改进的宽带mimo中频偏估计方法 |
CN101924722A (zh) * | 2009-06-15 | 2010-12-22 | 华为技术有限公司 | Oofdm信号的产生和接收方法、装置和波分复用系统 |
CN102170311A (zh) * | 2010-07-07 | 2011-08-31 | 曹祥东 | 一种基于远端全相干发射与接收的相干传输方法及装置 |
CN103620989A (zh) * | 2011-03-01 | 2014-03-05 | 奥普内斯特子系统公司 | 用于相干光信号的正交时间偏斜检测 |
CN102264012A (zh) * | 2011-07-29 | 2011-11-30 | 中兴通讯股份有限公司 | 一种pon系统的本振同步方法及onu和olt |
WO2014114332A1 (en) * | 2013-01-23 | 2014-07-31 | Huawei Technologies Co., Ltd. | Coherent optical transmitter and coherent optical receiver |
CN103401832A (zh) * | 2013-08-12 | 2013-11-20 | 武汉邮电科学研究院 | 包含数据的光信号的发送设备和接收设备及方法 |
CN104038465A (zh) * | 2014-06-27 | 2014-09-10 | 华南师范大学 | 一种适用于co-ofdm系统的多子块相位噪声估计补偿方法 |
Non-Patent Citations (1)
Title |
---|
《EBPSK解调器的抗频偏特性研究》;吴金铃等;《通信电源技术》;20100725;第27卷(第4期);52-54 * |
Also Published As
Publication number | Publication date |
---|---|
CN105141334A (zh) | 2015-12-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9991954B2 (en) | Method for monitoring wavelength of tunable laser on user end by optical line terminal on local end | |
EP0580317A1 (en) | Optical sub-system utilizing an embedded micro-controller | |
US10044439B2 (en) | Optical receiver that receives polarization multiplexed optical signal | |
US20130051794A1 (en) | Method for acquiring optical fiber connection relation, node device, and optical network system | |
US10641823B2 (en) | Method and apparatus for built-in self-test of CDR and non-CDR components with an on substrate test signal generator | |
CN216565158U (zh) | 用于不等臂干涉仪的调谐装置和量子通信设备 | |
CN112118498B (zh) | 一种光模块的波长修正方法及光网络系统 | |
US10164763B2 (en) | Transmitter, receiving device, and frequency offset correction method | |
US7623790B2 (en) | Signal identification method | |
CN103986524A (zh) | 一种单纤双向光模块、通信设备及连接错误检测方法 | |
CN105141334B (zh) | 一种用于评估相干系统频率偏差容忍度的方法及装置 | |
US5475385A (en) | Analogue telemetry system and method for fault detection in optical transmission systems | |
JP2004289820A (ja) | 光学システムの性能を評価する方法及び装置 | |
US20070071451A1 (en) | Methods and systems for controlling optical power attenuation | |
CN112397996B (zh) | 波长调整方法、装置及光模块 | |
JP2018157330A (ja) | 障害判定装置及びその制御方法、プログラム、並びに光ファイバ通信システム | |
US20200408637A1 (en) | Measuring polarization extinction ratio (per) using a reference master test jumper (mtj) | |
CN111262632B (zh) | 降低输出信号的相位噪声的方法 | |
CN108234017B (zh) | 一种edfa全自动测试方法及系统 | |
JP2019208158A (ja) | 光トランシーバ | |
EP3860000A1 (en) | Free-space optical communication | |
CN111987580B (zh) | 生成单个耗散克尔孤子脉冲的方法及系统 | |
US6266179B1 (en) | Optical transmission apparatus, optical repetition apparatus and optical transmission method | |
CN115435897B (zh) | 一种光模块双闭环验证数据处理方法及相关设备 | |
US11296791B1 (en) | Auto-tuneable optical transceiver modules |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Huang Liyan Inventor after: Qiu Junxiang Inventor after: Song Xinming Inventor after: Yu Changsheng Inventor after: Sheng Yuanfeng Inventor after: Cao Li Inventor after: Xu Jian Inventor after: Li Bozhong Inventor after: Li Weihua Inventor after: Lei Xueyi Inventor after: Deng Li Inventor after: Yu Jiekui Inventor after: He Guoliang Inventor before: Yang Zhi |
|
COR | Change of bibliographic data | ||
GR01 | Patent grant | ||
GR01 | Patent grant |