JP6586899B2 - チャンネル間パワーインバランス補正方法及び装置並びに受信機 - Google Patents

チャンネル間パワーインバランス補正方法及び装置並びに受信機 Download PDF

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Publication number
JP6586899B2
JP6586899B2 JP2016012725A JP2016012725A JP6586899B2 JP 6586899 B2 JP6586899 B2 JP 6586899B2 JP 2016012725 A JP2016012725 A JP 2016012725A JP 2016012725 A JP2016012725 A JP 2016012725A JP 6586899 B2 JP6586899 B2 JP 6586899B2
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Japan
Prior art keywords
channel
receiver
frequency spectrum
power
signal
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Expired - Fee Related
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JP2016012725A
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English (en)
Japanese (ja)
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JP2016144208A (ja
JP2016144208A5 (enExample
Inventor
ジャオ・イン
ドウ・リアン
タオ・ジェヌニン
斉藤　卓
卓 斉藤
剛司 星田
剛司 星田
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Fujitsu Ltd
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Fujitsu Ltd
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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
    • H04B10/07—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
    • H04B10/07955—Monitoring or measuring power
    • 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
    • H04B10/07957—Monitoring or measuring wavelength
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/0048—Decoding adapted to other signal detection operation in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
JP2016012725A 2015-01-30 2016-01-26 チャンネル間パワーインバランス補正方法及び装置並びに受信機 Expired - Fee Related JP6586899B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510048271.9A CN105991183B (zh) 2015-01-30 2015-01-30 不等功率校正装置以及接收机
CN201510048271.9 2015-01-30

Publications (3)

Publication Number Publication Date
JP2016144208A JP2016144208A (ja) 2016-08-08
JP2016144208A5 JP2016144208A5 (enExample) 2016-09-15
JP6586899B2 true JP6586899B2 (ja) 2019-10-09

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JP2016012725A Expired - Fee Related JP6586899B2 (ja) 2015-01-30 2016-01-26 チャンネル間パワーインバランス補正方法及び装置並びに受信機

Country Status (3)

Country Link
US (1) US9825699B2 (enExample)
JP (1) JP6586899B2 (enExample)
CN (1) CN105991183B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106160849B (zh) * 2015-04-15 2018-12-28 富士通株式会社 功率估计装置、频谱特征监测装置和光接收机
US9979472B1 (en) * 2016-12-29 2018-05-22 Juniper Networks, Inc. Methods and apparatus for detecting and compensating power imbalance and modulation imperfection for a coherent optical transmitter
CN109600179B (zh) * 2017-09-30 2021-04-27 富士通株式会社 信道间线性串扰的估计方法、装置和接收机
CN111817779A (zh) * 2020-06-16 2020-10-23 武汉光迅科技股份有限公司 一种光纤质量确定方法、设备、服务器及存储介质
KR102485277B1 (ko) * 2021-11-17 2023-01-04 연세대학교 산학협력단 무선 광통신에서 릴레이 노드를 위한 양방향 적응적 파워 조절 장치와 방법 및 이를 구비하는 릴레이 노드
KR102583746B1 (ko) * 2022-04-08 2023-09-26 연세대학교 산학협력단 릴레이 기반 무선 광통신의 다중 파장 기반 다중 방향 적응형 전력 조절 장치와 방법 및 이를 구비하는 릴레이 노드

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030055665A (ko) * 2001-12-27 2003-07-04 엘지전자 주식회사 광통신 시스템 송신기의 출력파장 안정화 장치
US20110020010A1 (en) * 2007-10-22 2011-01-27 Gianmarco Bruno Spectral tilt compensation
US20120220292A1 (en) * 2011-02-24 2012-08-30 Qualcomm Incorporated Preventing Dropped Calls Using Voice Services Over Adaptive Multi-User Channels on One Slot (Vamos) Mode
US9281689B2 (en) * 2011-06-08 2016-03-08 General Electric Technology Gmbh Load phase balancing at multiple tiers of a multi-tier hierarchical intelligent power distribution grid
US8934589B2 (en) * 2013-05-29 2015-01-13 Telefonaktiebolaget L M Ericsson (Publ) Demodulation in VAMOS receivers
US20150117856A1 (en) * 2013-10-30 2015-04-30 Fujitsu Limited System and method for monitoring power imbalance induced by polarization-dependent loss
US9398546B2 (en) * 2014-12-19 2016-07-19 Qualcomm Incorporated Call sustainability during power imbalance in multicarrier uplink

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Publication number Publication date
JP2016144208A (ja) 2016-08-08
CN105991183B (zh) 2018-06-19
CN105991183A (zh) 2016-10-05
US9825699B2 (en) 2017-11-21
US20160226583A1 (en) 2016-08-04

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