CN110249554A - 信号传输方法及系统 - Google Patents

信号传输方法及系统 Download PDF

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Publication number
CN110249554A
CN110249554A CN201780085583.4A CN201780085583A CN110249554A CN 110249554 A CN110249554 A CN 110249554A CN 201780085583 A CN201780085583 A CN 201780085583A CN 110249554 A CN110249554 A CN 110249554A
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CN201780085583.4A
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CN110249554B (zh
Inventor
肖治宇
李沫
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891Spatial equalizers
    • H04L25/03898Spatial equalizers codebook-based design
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60Receivers
    • H04B10/61Coherent receivers
    • H04B10/616Details of the electronic signal processing in coherent optical receivers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/63Joint error correction and other techniques
    • H03M13/6331Error control coding in combination with equalisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/516Details of coding or modulation
    • H04B10/54Intensity modulation
    • H04B10/541Digital intensity or amplitude modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0057Block codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60Receivers
    • H04B10/61Coherent receivers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)

Abstract

本申请提供一种信号传输方法及系统,涉及通信技术领域,系统包括均衡模块、第一译码器和反馈模块,均衡模块包括至少两个多符号检测器,反馈模块分别与第一译码器和至少两个多符号检测器连接,均衡模块对卷积数据流进行均衡处理得到均衡数据流,在此过程中每个多符号检测器对输入各自的卷积数据流进行多符号检测处理;第一译码器对均衡数据流进行译码得到译码数据流;反馈模块将反馈数据流反馈至至少两个多符号检测器;均衡模块根据反馈数据流对卷积数据流进行均衡处理,在此过程中每个多符号检测器根据反馈数据流对输入各自的卷积数据流进行多符号检测处理。本申请通解决了传输信号的复杂度较高的问题,降低传输信号的复杂度。

Description

PCT国内申请,说明书已公开。

Claims (21)

  1. PCT国内申请,权利要求书已公开。
CN201780085583.4A 2017-08-11 2017-08-11 信号传输方法及系统 Active CN110249554B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/097185 WO2019028868A1 (zh) 2017-08-11 2017-08-11 信号传输方法及系统

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CN110249554A true CN110249554A (zh) 2019-09-17
CN110249554B CN110249554B (zh) 2020-08-07

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US (1) US10958488B2 (zh)
EP (1) EP3657697B1 (zh)
CN (1) CN110249554B (zh)
WO (1) WO2019028868A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113055332A (zh) * 2021-03-17 2021-06-29 上海雷骥电子科技有限公司 一种pcm/fm和gmsk复用接收机

Citations (4)

* Cited by examiner, † Cited by third party
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WO2004040789A2 (en) * 2002-10-29 2004-05-13 Axiocom Inc. Cascade filter receiver for ds-cdma communication systems
CN1771671A (zh) * 2003-04-11 2006-05-10 艾利森电话股份有限公司 Cdma通信系统中的联合多码检测器
CN102394843A (zh) * 2011-06-30 2012-03-28 华为技术有限公司 一种纠错及反馈均衡控制方法和装置
CN105610517A (zh) * 2014-11-14 2016-05-25 中兴通讯股份有限公司 相干光接收机的迭代后均衡

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EP1694017B1 (en) * 2005-02-18 2013-11-27 Nokia Solutions and Networks GmbH & Co. KG Method and apparatus for demodulating an optical differential phase-shift keying signal
US8006163B2 (en) * 2006-12-27 2011-08-23 Nec Laboratories America, Inc. Polarization mode dispersion compensation using BCJR equalizer and iterative LDPC decoding
US8611480B1 (en) * 2007-03-26 2013-12-17 Marvell International Ltd. Optimal decoding of transmit diversity code with varying channel characteristics
US8185796B2 (en) * 2008-08-20 2012-05-22 Nec Laboratories America, Inc. Mitigation of fiber nonlinearities in multilevel coded-modulation schemes
US8175466B2 (en) 2009-03-10 2012-05-08 Nec Laboratories America, Inc. Methods and systems for polarization multiplexed multilevel modulation for optical communication
WO2014107899A1 (zh) * 2013-01-14 2014-07-17 华为技术有限公司 译码方法和装置
KR20150097048A (ko) * 2014-02-17 2015-08-26 한국전자통신연구원 Ftn 기반 신호 수신 장치 및 그의 신호 복호화 방법
US10257105B2 (en) * 2016-12-02 2019-04-09 At&T Intellectual Property I, L.P. Facilitation of physical layer design for 5G networks or other next generation networks

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004040789A2 (en) * 2002-10-29 2004-05-13 Axiocom Inc. Cascade filter receiver for ds-cdma communication systems
CN1771671A (zh) * 2003-04-11 2006-05-10 艾利森电话股份有限公司 Cdma通信系统中的联合多码检测器
CN102394843A (zh) * 2011-06-30 2012-03-28 华为技术有限公司 一种纠错及反馈均衡控制方法和装置
CN105610517A (zh) * 2014-11-14 2016-05-25 中兴通讯股份有限公司 相干光接收机的迭代后均衡

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113055332A (zh) * 2021-03-17 2021-06-29 上海雷骥电子科技有限公司 一种pcm/fm和gmsk复用接收机

Also Published As

Publication number Publication date
EP3657697A4 (en) 2020-09-02
EP3657697A1 (en) 2020-05-27
CN110249554B (zh) 2020-08-07
WO2019028868A1 (zh) 2019-02-14
US10958488B2 (en) 2021-03-23
US20200186402A1 (en) 2020-06-11
EP3657697B1 (en) 2021-12-22

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