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

网络节点传输方法及其装置、*** Download PDF

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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
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China
Prior art keywords
equipment
cpe
analog
signal
multiplexed
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CN201380000834.6A
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CN104380630B (zh
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潘众
隋猛
陈仕才
石操
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04B10/27—Arrangements for networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems

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  • 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、***。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、*** 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、***

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

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

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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***

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US9337993B1 (en) 2013-12-27 2016-05-10 Clariphy Communications, Inc. Timing recovery in a high speed link
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、***及装置

Citations (5)

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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
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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***
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KR100837696B1 (ko) * 2006-08-08 2008-06-13 한국전자통신연구원 단말기 수신성능을 이용한 채널 운영 방법 및 그에 따른 무선통신 시스템
EP2067289B1 (en) * 2006-09-22 2016-09-07 Alvarion Ltd. Wireless over pon
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***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
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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***
CN101714971A (zh) * 2009-12-22 2010-05-26 北京邮电大学 无源光网络通信方法及***、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***

Also Published As

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

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