CN103532901B - 一种用于电力线载波通信的定时同步方法及系统 - Google Patents
一种用于电力线载波通信的定时同步方法及系统 Download PDFInfo
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- CN103532901B CN103532901B CN201310478479.5A CN201310478479A CN103532901B CN 103532901 B CN103532901 B CN 103532901B CN 201310478479 A CN201310478479 A CN 201310478479A CN 103532901 B CN103532901 B CN 103532901B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 title claims abstract description 32
- 238000010606 normalization Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000004364 calculation method Methods 0.000 claims abstract description 17
- 230000003044 adaptive effect Effects 0.000 claims description 34
- 238000005070 sampling Methods 0.000 claims description 15
- 239000000969 carrier Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 4
- 238000005562 fading Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005316 response function Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
0.05 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | |
带宽 | 0.044 | 0.09 | 0.13 | 0.18 | 0.22 | 0.27 |
衰减能量(dB) | 63 | 52 | 45 | 40 | 36 | 33 |
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201310478479.5A CN103532901B (zh) | 2013-10-14 | 2013-10-14 | 一种用于电力线载波通信的定时同步方法及系统 |
PCT/CN2013/088565 WO2015054950A1 (zh) | 2013-10-14 | 2013-12-05 | 一种用于电力线载波通信的定时同步方法及系统 |
Applications Claiming Priority (1)
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CN201310478479.5A CN103532901B (zh) | 2013-10-14 | 2013-10-14 | 一种用于电力线载波通信的定时同步方法及系统 |
Publications (2)
Publication Number | Publication Date |
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CN103532901A CN103532901A (zh) | 2014-01-22 |
CN103532901B true CN103532901B (zh) | 2017-06-23 |
Family
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CN201310478479.5A Active CN103532901B (zh) | 2013-10-14 | 2013-10-14 | 一种用于电力线载波通信的定时同步方法及系统 |
Country Status (2)
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CN (1) | CN103532901B (zh) |
WO (1) | WO2015054950A1 (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105227214A (zh) * | 2014-06-27 | 2016-01-06 | 无锡汉兴电子有限公司 | 一种电力线通讯接收装置以及接收方法 |
CN104243130B (zh) * | 2014-09-26 | 2019-03-19 | 武汉晟联智融微电子科技有限公司 | 一种plc物理层时钟同步方法 |
CN105791194B (zh) * | 2014-12-24 | 2019-10-22 | 国家电网公司 | 一种可抗窄带干扰的同步方法及其系统 |
FR3034274B1 (fr) * | 2015-03-27 | 2017-03-24 | Stmicroelectronics Rousset | Procede de traitement d'un signal analogique issu d'un canal de transmission, en particulier un signal vehicule par courant porteur en ligne |
US10512048B2 (en) | 2017-07-24 | 2019-12-17 | Ceva D.S.P Ltd. | System and method for radio cell synchronization |
CN108243140A (zh) * | 2017-08-14 | 2018-07-03 | 张涛 | 一种前导信号检测方法和装置 |
KR102456934B1 (ko) | 2018-02-28 | 2022-10-21 | 삼성전자주식회사 | 무선 통신 시스템에서의 데이터 송수신 방법 및 장치 |
CN108649999B (zh) * | 2018-07-06 | 2024-01-30 | 北京智芯微电子科技有限公司 | Ofdm电力线通信系统窄带干扰的检测装置和检测方法 |
CN111262754B (zh) * | 2020-01-16 | 2021-11-02 | 磐基技术有限公司 | 一种基于畸变功率去除的窄带干扰检测方法及其通信装置 |
CN111817840B (zh) * | 2020-05-13 | 2023-05-02 | 国家广播电视总局广播电视规划院 | 单频网信号同步状态监测方法、装置、设备及存储介质 |
CN111711470B (zh) * | 2020-06-12 | 2021-06-29 | 南京市嘉隆电气科技股份有限公司 | 一种宽带电力线载波通信实现方法及装置 |
CN113472392B (zh) * | 2021-06-23 | 2022-11-11 | 北京溢美四方软件技术有限公司 | 一种针对宽带电力线载波通信的频段检测方法 |
CN114172776A (zh) * | 2021-11-06 | 2022-03-11 | 青岛鼎信通讯股份有限公司 | 一种基于中压载波系统的定时同步方法 |
CN114124633B (zh) * | 2021-11-06 | 2024-03-12 | 青岛鼎信通讯股份有限公司 | 一种适用于电力线相关噪声环境下的定时同步方法 |
CN115347914A (zh) * | 2022-07-26 | 2022-11-15 | 西安烽火电子科技有限责任公司 | 一种强干扰下的短波同步捕获方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100510434B1 (ko) * | 2001-04-09 | 2005-08-26 | 니폰덴신뎅와 가부시키가이샤 | Ofdm신호전달 시스템, ofdm신호 송신장치 및ofdm신호 수신장치 |
CN102739345B (zh) * | 2011-04-13 | 2014-11-05 | 上海明波通信技术股份有限公司 | 探测帧的窄带干扰检测与bch解码结合应用的装置及方法 |
CN103188195B (zh) * | 2011-12-30 | 2017-05-17 | 国民技术股份有限公司 | 粗同步方法及装置 |
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2013
- 2013-10-14 CN CN201310478479.5A patent/CN103532901B/zh active Active
- 2013-12-05 WO PCT/CN2013/088565 patent/WO2015054950A1/zh active Application Filing
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Publication number | Publication date |
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WO2015054950A1 (zh) | 2015-04-23 |
CN103532901A (zh) | 2014-01-22 |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: China Electric Power Research Institute Applicant after: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: China Electric Power Research Institute Applicant before: State Grid Smart Grid Institute |
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