CN107294890B - 载波同步方法和装置 - Google Patents
载波同步方法和装置 Download PDFInfo
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- CN107294890B CN107294890B CN201610216455.6A CN201610216455A CN107294890B CN 107294890 B CN107294890 B CN 107294890B CN 201610216455 A CN201610216455 A CN 201610216455A CN 107294890 B CN107294890 B CN 107294890B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
-
- 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
- H04L27/2659—Coarse or integer frequency offset determination and 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
- H04L27/2657—Carrier synchronisation
- H04L27/266—Fine or fractional frequency offset determination and synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
- H04J13/0025—M-sequences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0055—ZCZ [zero correlation zone]
- H04J13/007—LAS, i.e. LA, LS and LAS codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
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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 (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610216455.6A CN107294890B (zh) | 2016-04-08 | 2016-04-08 | 载波同步方法和装置 |
PCT/CN2017/079581 WO2017174004A1 (zh) | 2016-04-08 | 2017-04-06 | 载波同步方法和装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610216455.6A CN107294890B (zh) | 2016-04-08 | 2016-04-08 | 载波同步方法和装置 |
Publications (2)
Publication Number | Publication Date |
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CN107294890A CN107294890A (zh) | 2017-10-24 |
CN107294890B true CN107294890B (zh) | 2021-06-15 |
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CN201610216455.6A Active CN107294890B (zh) | 2016-04-08 | 2016-04-08 | 载波同步方法和装置 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7139340B2 (en) * | 2002-06-28 | 2006-11-21 | Hitachi, Ltd. | Robust OFDM carrier recovery methods and apparatus |
CN1992540A (zh) * | 2005-12-31 | 2007-07-04 | 方正通信技术有限公司 | 一种利用las码构造具有低干扰窗扩频码的方法 |
CN102271110A (zh) * | 2011-05-12 | 2011-12-07 | 徐永键 | Ofdm接收同步装置 |
CN103259756A (zh) * | 2013-04-19 | 2013-08-21 | 东南大学 | 一种应用于ofdm系统的符号定时同步和载波同步方法 |
-
2016
- 2016-04-08 CN CN201610216455.6A patent/CN107294890B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7139340B2 (en) * | 2002-06-28 | 2006-11-21 | Hitachi, Ltd. | Robust OFDM carrier recovery methods and apparatus |
CN1992540A (zh) * | 2005-12-31 | 2007-07-04 | 方正通信技术有限公司 | 一种利用las码构造具有低干扰窗扩频码的方法 |
CN102271110A (zh) * | 2011-05-12 | 2011-12-07 | 徐永键 | Ofdm接收同步装置 |
CN103259756A (zh) * | 2013-04-19 | 2013-08-21 | 东南大学 | 一种应用于ofdm系统的符号定时同步和载波同步方法 |
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CN107294890A (zh) | 2017-10-24 |
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Effective date of registration: 20190823 Address after: 518057 2nd Floor, No. 9 Software Building, Zhongxin Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. Address before: Bantian street Longgang District of Shenzhen City, Guangdong province 518000 Jihua Road, the new world Huasai Industrial Area No. 2, building 101 (two floor) 201 Applicant before: SHENZHEN SUPER DATA LINK TECHNOLOGY Ltd. |
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Effective date of registration: 20210527 Address after: 201611 block B, building 1, No. 189, Kangdian Road, Songjiang District, Shanghai Applicant after: SHANGHAI WINS OPTO-ELECTRONICS TEC Co.,Ltd. Address before: 518057 2nd floor, software building, No.9, Gaoxin middle 1st Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. |
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Effective date of registration: 20211008 Address after: 201611 Room 102, block a, first floor, building 1, No. 189, Kangdian Road, Chedun Town, Songjiang District, Shanghai Patentee after: Shanghai Wenshi Technology Co.,Ltd. Address before: 201611 block B, building 1, No. 189, Kangdian Road, Songjiang District, Shanghai Patentee before: SHANGHAI WINS OPTO-ELECTRONICS TEC Co.,Ltd. |
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Effective date of registration: 20220831 Address after: 201611 block B, building 1, No. 189, Kangdian Road, Songjiang District, Shanghai Patentee after: SHANGHAI WINS OPTO-ELECTRONICS TEC Co.,Ltd. Address before: 201611 Room 102, block a, first floor, building 1, No. 189, Kangdian Road, Chedun Town, Songjiang District, Shanghai Patentee before: Shanghai Wenshi Technology Co.,Ltd. |
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