CN102790737B - 一种系统的同步方法及装置 - Google Patents
一种系统的同步方法及装置 Download PDFInfo
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- CN102790737B CN102790737B CN201110127753.5A CN201110127753A CN102790737B CN 102790737 B CN102790737 B CN 102790737B CN 201110127753 A CN201110127753 A CN 201110127753A CN 102790737 B CN102790737 B CN 102790737B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 10
- 230000004044 response Effects 0.000 claims abstract description 28
- 125000004122 cyclic group Chemical group 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000001186 cumulative effect Effects 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- 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
- H04L27/2662—Symbol synchronisation
-
- 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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L27/2668—Details of algorithms
- H04L27/2681—Details of algorithms characterised by constraints
- H04L27/2684—Complexity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110127753.5A CN102790737B (zh) | 2011-05-17 | 2011-05-17 | 一种系统的同步方法及装置 |
PCT/CN2011/081757 WO2012155463A1 (zh) | 2011-05-17 | 2011-11-03 | 一种系统的同步方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110127753.5A CN102790737B (zh) | 2011-05-17 | 2011-05-17 | 一种系统的同步方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102790737A CN102790737A (zh) | 2012-11-21 |
CN102790737B true CN102790737B (zh) | 2017-11-28 |
Family
ID=47156041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110127753.5A Active CN102790737B (zh) | 2011-05-17 | 2011-05-17 | 一种系统的同步方法及装置 |
Country Status (2)
Country | Link |
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CN (1) | CN102790737B (zh) |
WO (1) | WO2012155463A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110336584A (zh) * | 2019-06-13 | 2019-10-15 | 大连理工大学 | 基于多周期联合分析的多峰值ccsk信号自同步方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104660540B (zh) * | 2013-11-21 | 2018-11-16 | 展讯通信(上海)有限公司 | 一种lte系统的同步跟踪方法 |
CN105282081A (zh) * | 2014-06-27 | 2016-01-27 | 中兴通讯股份有限公司 | 一种载波频偏估计的方法及装置 |
CN110636024B (zh) * | 2019-10-15 | 2022-10-11 | 长安大学 | 一种基于索引调制的5g波形系统同步方法 |
CN110855595B (zh) * | 2019-11-29 | 2022-04-01 | 紫光展讯通信(惠州)有限公司 | 时偏估计方法、装置、接收机及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101340416A (zh) * | 2008-08-28 | 2009-01-07 | 北京交通大学 | 适用于ofdm系统的同步与信道响应估计方法 |
CN101510869A (zh) * | 2009-04-03 | 2009-08-19 | 华为技术有限公司 | 一种整数频偏估计方法和装置 |
CN101741415A (zh) * | 2008-11-06 | 2010-06-16 | 华为技术有限公司 | 一种全球移动通讯系统中削波的方法和装置 |
CN101753505A (zh) * | 2008-12-22 | 2010-06-23 | 北京信威通信技术股份有限公司 | 一种ofdm系统的下行时间和频率同步方法 |
CN101997804A (zh) * | 2009-08-21 | 2011-03-30 | 大唐移动通信设备有限公司 | 一种同步定时偏差估计方法和装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100719112B1 (ko) * | 2005-07-19 | 2007-05-17 | 삼성전자주식회사 | Ofdm 시스템에 적용되는 샘플링 주파수 오차 추정장치및 그 방법 |
CN1964337B (zh) * | 2005-11-11 | 2010-05-05 | 华为技术有限公司 | 一种频偏估计方法 |
CN101039288B (zh) * | 2006-03-16 | 2010-05-12 | 中国科学院上海微系统与信息技术研究所 | Ofdm系统中能对抗定时偏差的信道估计方法和装置 |
KR100808463B1 (ko) * | 2006-08-30 | 2008-03-03 | 포스데이타 주식회사 | 직교 주파수 분할 다중 또는 직교 주파수 분할 다중접속방식을 지원하는 다중입출력 통신 시스템에서 시간오프셋 추정 장치 및 그 방법 |
CN101299737B (zh) * | 2007-04-30 | 2011-12-07 | 华为技术有限公司 | 正交频分复用技术的同步估计方法和系统 |
US7944999B2 (en) * | 2008-04-04 | 2011-05-17 | Newport Media, Inc. | Robust fine frequency and time estimation in mobile multimedia multicast system receivers |
CN101577692B (zh) * | 2009-06-15 | 2012-06-13 | 北京邮电大学 | 一种正交频分复用系统的信道估计方法和装置 |
CN101938435B (zh) * | 2009-06-30 | 2013-03-20 | 中兴通讯股份有限公司 | 一种正交频分复用系统的时偏估计装置及方法 |
CN101945073B (zh) * | 2009-07-03 | 2013-02-27 | 中兴通讯股份有限公司 | 基于导频的时偏估计装置和方法 |
-
2011
- 2011-05-17 CN CN201110127753.5A patent/CN102790737B/zh active Active
- 2011-11-03 WO PCT/CN2011/081757 patent/WO2012155463A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101340416A (zh) * | 2008-08-28 | 2009-01-07 | 北京交通大学 | 适用于ofdm系统的同步与信道响应估计方法 |
CN101741415A (zh) * | 2008-11-06 | 2010-06-16 | 华为技术有限公司 | 一种全球移动通讯系统中削波的方法和装置 |
CN101753505A (zh) * | 2008-12-22 | 2010-06-23 | 北京信威通信技术股份有限公司 | 一种ofdm系统的下行时间和频率同步方法 |
CN101510869A (zh) * | 2009-04-03 | 2009-08-19 | 华为技术有限公司 | 一种整数频偏估计方法和装置 |
CN101997804A (zh) * | 2009-08-21 | 2011-03-30 | 大唐移动通信设备有限公司 | 一种同步定时偏差估计方法和装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110336584A (zh) * | 2019-06-13 | 2019-10-15 | 大连理工大学 | 基于多周期联合分析的多峰值ccsk信号自同步方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2012155463A1 (zh) | 2012-11-22 |
CN102790737A (zh) | 2012-11-21 |
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Effective date of registration: 20201223 Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee before: ZTE Corp. Effective date of registration: 20201223 Address after: No. 288, North 2nd Ring Road, west side of Shipai Road, Taixing City, Taizhou City, Jiangsu Province Patentee after: Jiangsu Shengwei Industrial Technology Co.,Ltd. Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. |
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Effective date of registration: 20240909 Address after: 225400 No. 18, Xiang Rong Road, industrial park, Taixing City, Taizhou, Jiangsu Patentee after: Jiangsu Taizhou military civilian integration Industry Research Institute Co.,Ltd. Country or region after: China Address before: No. 288, North 2nd Ring Road, west side of Shipai Road, Taixing City, Taizhou City, Jiangsu Province Patentee before: Jiangsu Shengwei Industrial Technology Co.,Ltd. Country or region before: China |
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