EP4233210A4 - Mimo equalization with weighted coefficients update - Google Patents

Mimo equalization with weighted coefficients update Download PDF

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Publication number
EP4233210A4
EP4233210A4 EP21926085.8A EP21926085A EP4233210A4 EP 4233210 A4 EP4233210 A4 EP 4233210A4 EP 21926085 A EP21926085 A EP 21926085A EP 4233210 A4 EP4233210 A4 EP 4233210A4
Authority
EP
European Patent Office
Prior art keywords
weighted coefficients
mimo equalization
coefficients update
update
mimo
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.)
Pending
Application number
EP21926085.8A
Other languages
German (de)
French (fr)
Other versions
EP4233210A1 (en
Inventor
Fabio PITTALA
Changsong Xie
Xianhua Liu
Yongheng Huang
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP4233210A1 publication Critical patent/EP4233210A1/en
Publication of EP4233210A4 publication Critical patent/EP4233210A4/en
Pending legal-status Critical Current

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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2569—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to polarisation mode dispersion [PMD]
    • 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
    • H04B10/2572—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to forms of polarisation-dependent distortion other than PMD
    • 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
    • H04B10/6162—Compensation of polarization related effects, e.g., PMD, PDL

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
EP21926085.8A 2021-02-17 2021-02-17 Mimo equalization with weighted coefficients update Pending EP4233210A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/076668 WO2022174363A1 (en) 2021-02-17 2021-02-17 Mimo equalization with weighted coefficients update

Publications (2)

Publication Number Publication Date
EP4233210A1 EP4233210A1 (en) 2023-08-30
EP4233210A4 true EP4233210A4 (en) 2023-12-27

Family

ID=82932211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21926085.8A Pending EP4233210A4 (en) 2021-02-17 2021-02-17 Mimo equalization with weighted coefficients update

Country Status (2)

Country Link
EP (1) EP4233210A4 (en)
WO (1) WO2022174363A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013020272A1 (en) * 2011-08-09 2013-02-14 Huawei Technologies Co., Ltd. Apparatus and method for estimating an optical communication channel at discrete frequencies
WO2013185845A1 (en) * 2012-06-15 2013-12-19 Huawei Technologies Co., Ltd. Method for adapting an equalizer to equalize a composite characteristic of an optical communication channel
WO2020052740A1 (en) * 2018-09-11 2020-03-19 Huawei Technologies Co., Ltd. Equalizing device for compensating rapid state of polarization changes of an optical signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5209761B2 (en) 2011-06-29 2013-06-12 株式会社ユニバンス Solar tracking device
JP2015122632A (en) * 2013-12-24 2015-07-02 富士通株式会社 Optical communication receiver
WO2017122667A1 (en) * 2016-01-12 2017-07-20 日本電信電話株式会社 Light transmission system, light transmission device, and light reception device
CN107248965B (en) * 2017-05-26 2019-11-22 华中科技大学 A kind of data processing method and communication equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013020272A1 (en) * 2011-08-09 2013-02-14 Huawei Technologies Co., Ltd. Apparatus and method for estimating an optical communication channel at discrete frequencies
WO2013185845A1 (en) * 2012-06-15 2013-12-19 Huawei Technologies Co., Ltd. Method for adapting an equalizer to equalize a composite characteristic of an optical communication channel
WO2020052740A1 (en) * 2018-09-11 2020-03-19 Huawei Technologies Co., Ltd. Equalizing device for compensating rapid state of polarization changes of an optical signal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022174363A1 *

Also Published As

Publication number Publication date
WO2022174363A1 (en) 2022-08-25
EP4233210A1 (en) 2023-08-30

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