CN105162744B - 一种相干扩频通信系统 - Google Patents
一种相干扩频通信系统 Download PDFInfo
- Publication number
- CN105162744B CN105162744B CN201510407569.4A CN201510407569A CN105162744B CN 105162744 B CN105162744 B CN 105162744B CN 201510407569 A CN201510407569 A CN 201510407569A CN 105162744 B CN105162744 B CN 105162744B
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- CN
- China
- Prior art keywords
- output signal
- spread spectrum
- signal
- carrier
- code
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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
- H04L27/2659—Coarse or integer frequency offset determination and synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510407569.4A CN105162744B (zh) | 2015-07-13 | 2015-07-13 | 一种相干扩频通信系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510407569.4A CN105162744B (zh) | 2015-07-13 | 2015-07-13 | 一种相干扩频通信系统 |
Publications (2)
Publication Number | Publication Date |
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CN105162744A CN105162744A (zh) | 2015-12-16 |
CN105162744B true CN105162744B (zh) | 2018-11-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510407569.4A Active CN105162744B (zh) | 2015-07-13 | 2015-07-13 | 一种相干扩频通信系统 |
Country Status (1)
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CN (1) | CN105162744B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105978603B (zh) * | 2016-05-10 | 2019-03-01 | 深圳市龙腾飞通讯装备技术有限公司 | 一种基于变长复合正交码的扩频系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1301436A (zh) * | 1998-05-15 | 2001-06-27 | 艾利森电话股份有限公司 | 移动电信系统中的随机接入 |
CN1440134A (zh) * | 2003-02-24 | 2003-09-03 | 陶成 | 一种多级直接序列扩频通信方法 |
US7406066B2 (en) * | 2002-10-09 | 2008-07-29 | Yi Zheng | Asynchronous modulation and demodulation for spread spectrum and code-division multiple access communication |
CN101933242A (zh) * | 2008-08-08 | 2010-12-29 | 雅马哈株式会社 | 调制装置以及解调装置 |
-
2015
- 2015-07-13 CN CN201510407569.4A patent/CN105162744B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1301436A (zh) * | 1998-05-15 | 2001-06-27 | 艾利森电话股份有限公司 | 移动电信系统中的随机接入 |
US7406066B2 (en) * | 2002-10-09 | 2008-07-29 | Yi Zheng | Asynchronous modulation and demodulation for spread spectrum and code-division multiple access communication |
CN1440134A (zh) * | 2003-02-24 | 2003-09-03 | 陶成 | 一种多级直接序列扩频通信方法 |
CN101933242A (zh) * | 2008-08-08 | 2010-12-29 | 雅马哈株式会社 | 调制装置以及解调装置 |
Non-Patent Citations (3)
Title |
---|
CDMA组网中功率控制与扩频同步方法的研究与实现;李海彬;《中国优秀硕士学位论文全文数据库信息科技辑》;20130615;8-37页 * |
扩频通信技术原理及其应用;于江,王春岭,沈刘平,张磊;《中国无线电》;20100331(第三期);44-47页 * |
直接序列扩频通信系统的数字化接收技术研究;阎胜玉;《中国优秀硕士学位论文全文数据库信息科技辑》;20030615;4-36页 * |
Also Published As
Publication number | Publication date |
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CN105162744A (zh) | 2015-12-16 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20180928 Address after: 528000 A eight level 818 (room 818), 1 ancestral temple road, Chancheng District, Foshan, Guangdong. Applicant after: Foshan Seri Communication Co., Ltd. Address before: 400044 No. 174 Sha Jie street, Shapingba District, Chongqing Applicant before: Chongqing University |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Coherent spread spectrum communication system Effective date of registration: 20190311 Granted publication date: 20181109 Pledgee: Bank of China Limited by Share Ltd Foshan branch Pledgor: Foshan Seri Communication Co., Ltd. Registration number: 2019440000094 |