CN105991183B - 不等功率校正装置以及接收机 - Google Patents

不等功率校正装置以及接收机 Download PDF

Info

Publication number
CN105991183B
CN105991183B CN201510048271.9A CN201510048271A CN105991183B CN 105991183 B CN105991183 B CN 105991183B CN 201510048271 A CN201510048271 A CN 201510048271A CN 105991183 B CN105991183 B CN 105991183B
Authority
CN
China
Prior art keywords
channel
receiver
power
spectrum
signal
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.)
Expired - Fee Related
Application number
CN201510048271.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN105991183A (zh
Inventor
赵颖
窦亮
陶振宁
齐藤卓
星田刚司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to CN201510048271.9A priority Critical patent/CN105991183B/zh
Priority to JP2016012725A priority patent/JP6586899B2/ja
Priority to US15/008,610 priority patent/US9825699B2/en
Publication of CN105991183A publication Critical patent/CN105991183A/zh
Application granted granted Critical
Publication of CN105991183B publication Critical patent/CN105991183B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B10/079—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
CN201510048271.9A 2015-01-30 2015-01-30 不等功率校正装置以及接收机 Expired - Fee Related CN105991183B (zh)

Priority Applications (3)

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
JP2016012725A 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
US15/008,610 US9825699B2 (en) 2015-01-30 2016-01-28 Method and apparatus for correcting inter-channel power imbalance and receiver

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
CN105991183A CN105991183A (zh) 2016-10-05
CN105991183B true CN105991183B (zh) 2018-06-19

Family

ID=56554880

Family Applications (1)

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

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

Citations (3)

* 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
CN101911549A (zh) * 2007-10-22 2010-12-08 爱立信电话股份有限公司 频谱倾斜补偿
CN103392318A (zh) * 2011-02-24 2013-11-13 高通股份有限公司 使用单时隙自适应多用户信道承载语音业务（vamos）模式防止挂断呼叫

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

* 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
CN101911549A (zh) * 2007-10-22 2010-12-08 爱立信电话股份有限公司 频谱倾斜补偿
CN103392318A (zh) * 2011-02-24 2013-11-13 高通股份有限公司 使用单时隙自适应多用户信道承载语音业务（vamos）模式防止挂断呼叫

Also Published As

Publication number Publication date
JP2016144208A (ja) 2016-08-08
JP6586899B2 (ja) 2019-10-09
CN105991183A (zh) 2016-10-05
US9825699B2 (en) 2017-11-21
US20160226583A1 (en) 2016-08-04

Similar Documents

Publication Publication Date Title
CN105991183B (zh) 不等功率校正装置以及接收机
US9859977B2 (en) Method for estimating channel power, method for monitoring frequency spectrum characteristic, apparatus and system
JP6866725B2 (ja) アンチエイリアスチャネル推定装置、方法及び受信機
CN105991485B (zh) 信道间隔估计装置、波长监测装置以及接收机
US20110151800A1 (en) Delay, Gain and Phase Estimation for Measurement Receivers
US9883303B2 (en) Sound field measuring device, method and program
JP6844184B2 (ja) チャネル間隔の検出装置、方法及びシステム
CN105991186B (zh) 光信噪比的监测装置、方法以及接收机
JP2010252249A (ja) 受信装置及びノイズ除去方法
JP2014121070A5 (enExample)
WO2024196474A1 (en) Calculation of the metric for selecting the type of modulation in subcarriers for an ofdm signal
TWI593238B (zh) 脈衝雜訊偵測電路與方法
US20180075833A1 (en) Audio signal processing apparatus, audio signal processing method, and audio signal processing program
US10320489B2 (en) Channel estimation using intra-symbol frequency domain averaging
US10224971B1 (en) Symbol rate estimating device and method and adjacent channel interference detecting device
TWI650981B (zh) 符號率估計裝置與符號率估計方法
CN107251496A (zh) 盲信道均衡器
KR102113875B1 (ko) 심볼 에너지 변화율에 기초한 채널 상태 정보 보정 방법
WO2019219266A1 (en) Receiver and method for reducing the influence of narrowband spurs during an ofdm signal reception
JP5637558B2 (ja) 回線等化装置及び回線等化方法
US10700895B2 (en) Roll-off period detecting method, symbol starting point detecting method, fractional frequency offset estimating method, and OFDM downstream system thereof
CN106878209A (zh) 测量滤波特性的装置、预均衡器、通信设备
JP6567456B2 (ja) レベル差補正装置、レベル差補正プログラム、および記録媒体
CN101312444A (zh) 用以获取多路径信号的频率的方法及装置
CN103620992A (zh) 均衡装置以及均衡方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180619

CF01 Termination of patent right due to non-payment of annual fee