CN1684456B - 同步检测装置和同步检测方法 - Google Patents
同步检测装置和同步检测方法 Download PDFInfo
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- CN1684456B CN1684456B CN2005100516976A CN200510051697A CN1684456B CN 1684456 B CN1684456 B CN 1684456B CN 2005100516976 A CN2005100516976 A CN 2005100516976A CN 200510051697 A CN200510051697 A CN 200510051697A CN 1684456 B CN1684456 B CN 1684456B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 title claims description 55
- 238000001514 detection method Methods 0.000 claims abstract description 96
- 230000006870 function Effects 0.000 description 25
- 238000012360 testing method Methods 0.000 description 23
- 238000012937 correction Methods 0.000 description 8
- 230000009897 systematic effect Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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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
- H04L27/2662—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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP117463/04 | 2004-04-13 | ||
JP2004117463A JP2005303691A (ja) | 2004-04-13 | 2004-04-13 | 同期検出装置および同期検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1684456A CN1684456A (zh) | 2005-10-19 |
CN1684456B true CN1684456B (zh) | 2010-11-03 |
Family
ID=35060522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100516976A Expired - Fee Related CN1684456B (zh) | 2004-04-13 | 2005-02-25 | 同步检测装置和同步检测方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7436906B2 (zh) |
JP (1) | JP2005303691A (zh) |
CN (1) | CN1684456B (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100800891B1 (ko) * | 2005-06-29 | 2008-02-04 | 삼성전자주식회사 | 통신 시스템에서 사용자 검출 장치 및 방법 |
US20070004352A1 (en) * | 2005-06-30 | 2007-01-04 | Shai Waxman | Device, system and method of wireless signal detection |
EP1802010A2 (en) * | 2005-12-08 | 2007-06-27 | Electronics and Telecommunications Research Institute | TII decoder and method for detecting TII |
EP2017993A4 (en) * | 2006-04-26 | 2011-12-28 | Panasonic Corp | DEVICE AND METHOD FOR SIGNAL DETECTION |
US8121229B2 (en) * | 2006-07-24 | 2012-02-21 | Industrial Technology Research Institute | Guard section length detection method and system |
US7876863B2 (en) * | 2006-08-10 | 2011-01-25 | Cisco Technology, Inc. | Method and system for improving timing position estimation in wireless communications networks |
KR100770426B1 (ko) * | 2006-10-27 | 2007-10-26 | 삼성전기주식회사 | 무선통신 패킷 동기장치 및 그 방법 |
JP4867768B2 (ja) * | 2007-04-06 | 2012-02-01 | パナソニック電工株式会社 | 同期確立方法並びに直交周波数分割多重変調方法、通信装置 |
US8144819B2 (en) * | 2007-04-30 | 2012-03-27 | Telefonaktiebolaget L M Ericsson (Publ) | Synchronization for chirp sequences |
JP5237665B2 (ja) * | 2008-03-26 | 2013-07-17 | パナソニック株式会社 | 同期確立方法、直交周波数分割多重変調方法、通信装置 |
CN102067544B (zh) * | 2008-05-15 | 2014-04-16 | 马维尔国际贸易有限公司 | 用于无线通信***的物理层前导码格式 |
JP5056583B2 (ja) * | 2008-05-23 | 2012-10-24 | 富士通株式会社 | 信号検出装置、信号受信装置および信号検出方法 |
CN101854316A (zh) * | 2009-03-30 | 2010-10-06 | 华为技术有限公司 | 一种电均衡及电解偏的方法、接收端设备和通信*** |
US20110060955A1 (en) * | 2009-09-04 | 2011-03-10 | Jakob Ludvigsen | Method and apparatus for providing frequency error estimation |
CN101925172B (zh) * | 2010-07-20 | 2016-05-18 | 北京新岸线移动通信技术有限公司 | 一种时间同步方法及装置 |
CN101938347B (zh) * | 2010-08-23 | 2013-01-16 | 华亚微电子(上海)有限公司 | 定时误差提取装置及方法 |
US9014305B2 (en) | 2011-06-23 | 2015-04-21 | Texas Instruments Incorporated | Bi-phase communication demodulation techniques |
CN102223345B (zh) * | 2011-07-27 | 2013-09-25 | 四川虹微技术有限公司 | 时隙同步与符号同步的方法 |
JP5752575B2 (ja) * | 2011-11-29 | 2015-07-22 | 株式会社東芝 | クロック周波数誤差検出装置 |
CN103152071B (zh) * | 2011-12-06 | 2014-12-10 | 福建联拓科技有限公司 | 一种搜索同步序列的方法和设备 |
CN102761349B (zh) * | 2012-07-10 | 2014-09-10 | 四川九洲空管科技有限责任公司 | 一种有效相关峰脉冲序列的判定方法及*** |
TWI449313B (zh) * | 2012-10-25 | 2014-08-11 | Richtek Technology Corp | 訊號峰值偵測器及方法及pfc轉換器的控制ic及控制方法 |
GB2560041B (en) * | 2017-02-28 | 2020-03-18 | Imagination Tech Ltd | OFDM signal parameter estimation |
WO2019158181A1 (en) | 2018-02-13 | 2019-08-22 | Abb Schweiz Ag | Packet detection in a wireless communication network for power grid control |
CN109286381B (zh) * | 2018-09-12 | 2022-03-08 | 西安微电子技术研究所 | 一种基于温度计编码的自动增益控制电路及控制方法 |
CN109818644B (zh) * | 2019-02-02 | 2020-08-11 | 深圳市华智芯联科技有限公司 | 信号同步方法、装置、计算机设备和存储介质 |
CN112511242A (zh) * | 2020-11-13 | 2021-03-16 | 广西电网有限责任公司南宁供电局 | 一种基于无源隔离的载波检测方法及*** |
CN117279087B (zh) * | 2023-11-21 | 2024-02-23 | 杰创智能科技股份有限公司 | 同步位置确定方法、装置、电子设备及存储介质 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1147171A (zh) * | 1995-08-30 | 1997-04-09 | 三星电子株式会社 | 数据段同步检测电路和方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60016074T2 (de) * | 1999-03-30 | 2005-11-24 | Nec Corp. | OFDM-Demodulator |
AU740804B2 (en) * | 1999-07-19 | 2001-11-15 | Nippon Telegraph & Telephone Corporation | OFDM packet communication receiver system |
US6754170B1 (en) * | 2000-09-29 | 2004-06-22 | Symbol Technologies, Inc. | Timing synchronization in OFDM communications receivers |
JP3636145B2 (ja) * | 2001-06-15 | 2005-04-06 | ソニー株式会社 | 復調タイミング生成回路および復調装置 |
JP3880358B2 (ja) * | 2001-10-04 | 2007-02-14 | シャープ株式会社 | Ofdm復調回路及びこれを用いたofdm受信装置 |
US7039000B2 (en) * | 2001-11-16 | 2006-05-02 | Mitsubishi Electric Research Laboratories, Inc. | Timing synchronization for OFDM-based wireless networks |
EP1530858B1 (en) * | 2002-07-16 | 2010-12-15 | IHP GmbH-Innovations for High Performance Microelectronics / Leibniz-Institut für innovative Mikroelektronik | Method and device for frame detection and synchronizer |
AU2003269739A1 (en) * | 2003-03-28 | 2004-10-18 | Intel Corporation | Method and apparatus for ofdm symbol timing synchronization |
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2004
- 2004-04-13 JP JP2004117463A patent/JP2005303691A/ja active Pending
-
2005
- 2005-02-25 CN CN2005100516976A patent/CN1684456B/zh not_active Expired - Fee Related
- 2005-03-31 US US11/094,159 patent/US7436906B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1147171A (zh) * | 1995-08-30 | 1997-04-09 | 三星电子株式会社 | 数据段同步检测电路和方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2005303691A (ja) | 2005-10-27 |
US7436906B2 (en) | 2008-10-14 |
CN1684456A (zh) | 2005-10-19 |
US20050226350A1 (en) | 2005-10-13 |
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Owner name: OKI SEMICONDUCTOR CO., LTD. Free format text: FORMER OWNER: OKI ELECTRIC INDUSTRY CO., LTD. Effective date: 20131122 |
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Effective date of registration: 20131122 Address after: Tokyo, Japan, Japan Patentee after: Lapis Semiconductor Co., Ltd. Address before: Tokyo port area, Japan Patentee before: Oki Electric Industry Co., Ltd. |
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CP02 | Change in the address of a patent holder |
Address after: Yokohama City, Kanagawa Prefecture, Japan Patentee after: Lapis Semiconductor Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Lapis Semiconductor Co., Ltd. |
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