CN110249554A - 信号传输方法及*** - Google Patents

信号传输方法及*** Download PDF

Info

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
Authority
CN
China
Prior art keywords
stream
data block
convolved
block
unit time
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.)
Granted
Application number
CN201780085583.4A
Other languages
English (en)
Other versions
CN110249554B (zh
Inventor
肖治宇
李沫
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 CN110249554A publication Critical patent/CN110249554A/zh
Application granted granted Critical
Publication of CN110249554B publication Critical patent/CN110249554B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6331—Error control coding in combination with equalisation
    • 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
    • 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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/54—Intensity modulation
    • H04B10/541—Digital intensity or amplitude modulation
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • 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

Landscapes

  • 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***，涉及通信技术领域，***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*** 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***

Publications (2)

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

Family

ID=65272889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780085583.4A Active CN110249554B (zh) 2017-08-11 2017-08-11 信号传输方法及***

Country Status (4)

Country Link
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
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***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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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***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
EP3657697A1 (en) 2020-05-27
EP3657697B1 (en) 2021-12-22
US10958488B2 (en) 2021-03-23
CN110249554B (zh) 2020-08-07
EP3657697A4 (en) 2020-09-02
WO2019028868A1 (zh) 2019-02-14
US20200186402A1 (en) 2020-06-11

Similar Documents

Publication Publication Date Title
US10903937B2 (en) Apparatus and method for communicating data over an optical channel
CN108781195B (zh) 用于提供高速均衡的方法和装置
US9774400B2 (en) Method and apparatus for low-complexity quasi-reduced state soft-output equalizer
KR100785410B1 (ko) 하이브리드 서바이버 메모리 구조체
CN104065599B (zh) 数字通信中的统计自适应软判决前向纠错
CA2092240C (en) Fractionally spaced maximum likelihood sequence estimation receiver
US20030108113A1 (en) Implementing reduced-state viterbi detectors
CN104065451B (zh) 数字通信中的软最大似然序列估计
EP1645112A2 (en) Method and apparatus for delayed recursion decoder
CN100563139C (zh) 在多天线信道上进行高速通信的迭代解码和均衡方法
CN102204132A (zh) 对光纤中光信号的色度色散进行相干均衡的方法和***
CN112332863B (zh) 低轨卫星低信噪比场景下的极化码译码算法、接收端和***
CN110249554A (zh) 信号传输方法及***
CN113055319A (zh) 一种信号均衡方法和装置
US10177876B2 (en) Sequence detector
CN105229982B (zh) 信号接收方法及接收机
Bandemer et al. On the sum capacity of a class of cyclically symmetric deterministic interference channels
CN107659523B (zh) 一种无线移动通信中bpsk调制的均衡***和方法
US20030063681A1 (en) Apparatus, and an associated method, for detecting digital data using MLSE detection with a dynamically-sized trellis
CN114793145B (zh) 一种解码方法、接收设备以及存储介质
US20230403183A1 (en) Receiver using pseudo partial response maximum likelihood sequence detection
Xu et al. A Low BER Adaptive Sequence Detection Method for High-Speed NRZ Data Transmission
CN110417509B (zh) 一种全并行scma译码器及其使用方法
EP1845641B1 (en) Viterbi equalizer for signals with bit alternating modulation, optical receiver and transmission system comprising the same, as well as Viterbi equalization method
Li Utilizing channel coding information in CIVA-based blind sequence detectors

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant