CN104380630A - 网络节点传输方法及其装置、系统 - Google Patents

网络节点传输方法及其装置、系统 Download PDF

Info

Publication number
CN104380630A
CN104380630A CN201380000834.6A CN201380000834A CN104380630A CN 104380630 A CN104380630 A CN 104380630A CN 201380000834 A CN201380000834 A CN 201380000834A CN 104380630 A CN104380630 A CN 104380630A
Authority
CN
China
Prior art keywords
equipment
cpe
analog
signal
multiplexed
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
CN201380000834.6A
Other languages
English (en)
Other versions
CN104380630B (zh
Inventor
潘众
隋猛
陈仕才
石操
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 CN104380630A publication Critical patent/CN104380630A/zh
Application granted granted Critical
Publication of CN104380630B publication Critical patent/CN104380630B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04B10/27Arrangements for networking
    • H04B10/272Star-type networks or tree-type networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04B10/27Arrangements for networking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q11/0067Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)

Abstract

本发明实施例提供了一种网络节点传输方法及其装置、系统。该方法包括:接收OLT发送的下行光信号,其中,该下行光信号是OLT通过对第一下行复用数字信号进行数模转换和电光转换得到的,在所述第一下行复用数字信号中,多个用户驻地设备CPE对应各自的OFDM符号时隙和/或子载波;对该下行光信号进行光电转换和模数转换得到第二下行复用数字信号,对该第二下行复用数字信号进行解复用处理得到针对该多个CPE中各个CPE的下行OFDM符号,并对该各个CPE的下行OFDM符号进行数模转换得到该各个CPE的下行模拟信号。本发明实施例只需要一套OFDM调制和解调,可以降低运营和维护成本。

Description

PCT国内申请,说明书已公开。

Claims (1)

  1. PCT国内申请,权利要求书已公开。
CN201380000834.6A 2013-06-08 2013-06-08 网络节点传输方法及其装置、系统 Active CN104380630B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/077017 WO2014194532A1 (zh) 2013-06-08 2013-06-08 网络节点传输方法及其装置、系统

Publications (2)

Publication Number Publication Date
CN104380630A true CN104380630A (zh) 2015-02-25
CN104380630B CN104380630B (zh) 2016-11-16

Family

ID=52005438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380000834.6A Active CN104380630B (zh) 2013-06-08 2013-06-08 网络节点传输方法及其装置、系统

Country Status (4)

Country Link
US (1) US20140362869A1 (zh)
EP (1) EP2988437B1 (zh)
CN (1) CN104380630B (zh)
WO (1) WO2014194532A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107534561A (zh) * 2015-04-24 2018-01-02 汤姆逊许可公司 用于操作分布点单元的方法、相应的分布点单元和cpe设备
CN110166329A (zh) * 2018-02-13 2019-08-23 华为技术有限公司 一种通信方法、装置及系统

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9571308B1 (en) * 2013-12-27 2017-02-14 Clariphy Communications, Inc. High speed transceiver
US9960846B2 (en) * 2015-07-14 2018-05-01 LGS Innovations LLC Free-space optical communication system and method in scattering environments
US10873366B2 (en) * 2018-04-16 2020-12-22 Intel Corporation Virtual distribution point architecture
CN111294562B (zh) * 2020-02-24 2021-10-15 浙江大华技术股份有限公司 一种模拟视频处理方法、系统及装置
WO2024147684A1 (ko) * 2023-01-06 2024-07-11 엘지전자 주식회사 무선 통신 시스템에서 하향 변환을 이용하여 생성되는 신호를 송신 및 수신하기 위한 장치 및 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070242599A1 (en) * 2006-04-14 2007-10-18 Freescale Semiconductor Inc Mitigation of DC distortion in OFDM receivers
CN101640820A (zh) * 2009-09-04 2010-02-03 北京大学 一种正交频分复用无源光网络
CN101714971A (zh) * 2009-12-22 2010-05-26 北京邮电大学 无源光网络通信方法及系统、光网络单元和光线路终端
CN102075478A (zh) * 2009-11-24 2011-05-25 华为技术有限公司 无源光纤网络的信号处理方法、设备和系统
US20130108271A1 (en) * 2010-05-13 2013-05-02 Bangor University Synchronous clocking for optical orthogonal frequency division multiplexing transmission systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100837696B1 (ko) * 2006-08-08 2008-06-13 한국전자통신연구원 단말기 수신성능을 이용한 채널 운영 방법 및 그에 따른 무선통신 시스템
JP5277169B2 (ja) * 2006-09-22 2013-08-28 アルヴァリオン・リミテッド Ponを介した無線
CN102036134A (zh) * 2011-01-18 2011-04-27 北京邮电大学 基于正交频分复用的汇聚式光接入网系统和方法
CN102611668B (zh) * 2011-01-25 2015-01-28 中兴通讯股份有限公司 一种正交频分复用无源光网络数据传输方法及光线路终端
US8817903B2 (en) * 2012-02-17 2014-08-26 Alcatel Lucent Methods and systems for reducing crosstalk
WO2014031707A1 (en) * 2012-08-20 2014-02-27 Adtran, Inc. Systems and methods for power optimized framing
WO2014062574A1 (en) * 2012-10-16 2014-04-24 Huawei Technologies Co., Ltd. Data transmission coordination over digital subscriber lines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070242599A1 (en) * 2006-04-14 2007-10-18 Freescale Semiconductor Inc Mitigation of DC distortion in OFDM receivers
CN101640820A (zh) * 2009-09-04 2010-02-03 北京大学 一种正交频分复用无源光网络
CN102075478A (zh) * 2009-11-24 2011-05-25 华为技术有限公司 无源光纤网络的信号处理方法、设备和系统
CN101714971A (zh) * 2009-12-22 2010-05-26 北京邮电大学 无源光网络通信方法及系统、光网络单元和光线路终端
US20130108271A1 (en) * 2010-05-13 2013-05-02 Bangor University Synchronous clocking for optical orthogonal frequency division multiplexing transmission systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107534561A (zh) * 2015-04-24 2018-01-02 汤姆逊许可公司 用于操作分布点单元的方法、相应的分布点单元和cpe设备
CN110166329A (zh) * 2018-02-13 2019-08-23 华为技术有限公司 一种通信方法、装置及系统

Also Published As

Publication number Publication date
EP2988437B1 (en) 2017-11-01
EP2988437A4 (en) 2016-05-04
WO2014194532A1 (zh) 2014-12-11
EP2988437A1 (en) 2016-02-24
US20140362869A1 (en) 2014-12-11
CN104380630B (zh) 2016-11-16

Similar Documents

Publication Publication Date Title
CN104380630A (zh) 网络节点传输方法及其装置、系统
US9882649B2 (en) Transmitting, receiving and communication systems of optical network and method for modulating signal
US7978975B2 (en) Passive optical network system employing sub-carrier multiplexing and orthogonal frequency division multiple access modulation schemes
EP2670103B1 (en) Orthogonal frequency division multiplexing passive optical network data transmission method and optical line terminal
US20090097852A1 (en) 10 Gbps OFDMA-PON
EP2888889B1 (en) Channel bonding for ethernet passive optical network over coax (epoc) networks
CN105264853A (zh) 一种应用于无源光网络pon通信的方法、装置及系统
CN102833206B (zh) 一种基于偏振复用频带间插的ofdma-pon系统
JP3996910B2 (ja) 多重搬送波を利用したコード分割多重化方式の受動型光加入者網
Jin et al. Hybrid SSB OFDM-digital filter multiple access PONs
CN102546515A (zh) 光正交频分复用变速率传输系统和方法
CN103856836A (zh) 无源光网络中用户数据的发送和接收方法及系统、设备
SE515218C2 (sv) Anordning och förfarande vid kabelTVnät
US9900106B2 (en) Signal modulation method, signal demodulation method, signal modulation apparatus, signal demodulation apparatus and signal transmission system
CN106331908A (zh) 一种无源光网络系统及其装置
CN104737480A (zh) 多载波分复用系统的方法和装置
CN103036843B (zh) Pon局端的信号调制方法及用户端的信号解调方法
CN103873410B (zh) Ofdm-pon系统及时钟信号的发送和提取方法
Zhong et al. Experimental demonstrations of matching filter-free digital filter multiplexed SSB OFDM IMDD transmission systems
CN114374898A (zh) 无源光网络架构和基于该构架的onu间通信方法
CN103347222B (zh) Ofdm-pon中实现onu无色化的方法和系统
JP5692344B1 (ja) 局舎端末、光アクセスネットワーク及び通信方法
CN105323200A (zh) 一种光线路终端、光网络单元及无源光网络系统
CN103338138B (zh) 光纤电力宽带接入系统及该系统的信道分配方法
CN110266391B (zh) 光通信方法、光通信设备和计算机可读存储介质

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant