CN107276948B - 载波同步方法和装置 - Google Patents
载波同步方法和装置 Download PDFInfo
- Publication number
- CN107276948B CN107276948B CN201610216716.4A CN201610216716A CN107276948B CN 107276948 B CN107276948 B CN 107276948B CN 201610216716 A CN201610216716 A CN 201610216716A CN 107276948 B CN107276948 B CN 107276948B
- Authority
- CN
- China
- Prior art keywords
- las
- frequency offset
- received signal
- codes
- carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000012549 training Methods 0.000 claims abstract description 125
- 238000012937 correction Methods 0.000 claims abstract description 63
- 230000003595 spectral effect Effects 0.000 claims abstract description 22
- 238000004364 calculation method Methods 0.000 claims description 22
- 238000000605 extraction Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 description 36
- 238000010586 diagram Methods 0.000 description 29
- 238000004891 communication Methods 0.000 description 24
- 230000005540 biological transmission Effects 0.000 description 21
- 230000008569 process Effects 0.000 description 21
- 230000000875 corresponding effect Effects 0.000 description 18
- 230000000295 complement effect Effects 0.000 description 17
- 238000001514 detection method Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 13
- 238000013461 design Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- 238000007781 pre-processing Methods 0.000 description 10
- 238000005314 correlation function Methods 0.000 description 7
- 238000005311 autocorrelation function Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004422 calculation algorithm Methods 0.000 description 5
- 230000002596 correlated effect Effects 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 108010076504 Protein Sorting Signals Proteins 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001285 laser absorption spectroscopy Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610216716.4A CN107276948B (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 |
---|---|---|---|
CN201610216716.4A CN107276948B (zh) | 2016-04-08 | 2016-04-08 | 载波同步方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107276948A CN107276948A (zh) | 2017-10-20 |
CN107276948B true CN107276948B (zh) | 2020-12-08 |
Family
ID=60052893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610216716.4A Active CN107276948B (zh) | 2016-04-08 | 2016-04-08 | 载波同步方法和装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107276948B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101039295A (zh) * | 2006-03-15 | 2007-09-19 | 方正通信技术有限公司 | 利用低相关码字改进正交频分复用系统同步性能的方法 |
CN101039294A (zh) * | 2006-03-15 | 2007-09-19 | 方正通信技术有限公司 | 一种改善广义多载波系统信道估计特性和同步特性的方法 |
CN101656700A (zh) * | 2008-08-19 | 2010-02-24 | 中兴通讯股份有限公司 | 长期演进系统小区初始搜索循环前缀类型检测方法及装置 |
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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN102347926B (zh) * | 2011-09-26 | 2013-12-18 | 豪威科技(上海)有限公司 | 载波频率捕获方法及装置 |
-
2016
- 2016-04-08 CN CN201610216716.4A patent/CN107276948B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101039295A (zh) * | 2006-03-15 | 2007-09-19 | 方正通信技术有限公司 | 利用低相关码字改进正交频分复用系统同步性能的方法 |
CN101039294A (zh) * | 2006-03-15 | 2007-09-19 | 方正通信技术有限公司 | 一种改善广义多载波系统信道估计特性和同步特性的方法 |
CN101656700A (zh) * | 2008-08-19 | 2010-02-24 | 中兴通讯股份有限公司 | 长期演进系统小区初始搜索循环前缀类型检测方法及装置 |
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 |
Also Published As
Publication number | Publication date |
---|---|
CN107276948A (zh) | 2017-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2017174004A1 (zh) | 载波同步方法和装置 | |
WO2017174003A1 (zh) | 定时同步方法和装置 | |
CN107276953B (zh) | 定时同步方法、装置和系统 | |
CN107276654B (zh) | 信号处理方法和系统 | |
CN107276926B (zh) | 信道估计方法和装置 | |
CN107276708B (zh) | 定时同步方法、装置和系统 | |
CN107276955B (zh) | 信号处理方法和系统 | |
CN107276943B (zh) | 定时同步方法、装置和系统 | |
CN107276740B (zh) | 定时同步方法、装置和系统 | |
CN107294882B (zh) | 信道估计方法和装置 | |
CN107294881B (zh) | 信道估计方法和装置 | |
CN107276927B (zh) | 信道估计方法和装置 | |
CN107294889B (zh) | 载波同步方法和装置 | |
CN107276627B (zh) | 信号处理方法和系统 | |
CN107277913B (zh) | 定时同步方法、装置和系统 | |
CN107276925B (zh) | 信道估计方法和装置 | |
CN107294883B (zh) | 信道估计方法和装置 | |
CN107276940B (zh) | 定时同步方法、装置和系统 | |
CN107276948B (zh) | 载波同步方法和装置 | |
CN107276946B (zh) | 载波同步方法和装置 | |
CN107276956B (zh) | 载波同步方法和装置 | |
CN107276952B (zh) | 载波同步方法和装置 | |
CN107276944B (zh) | 定时同步方法、装置和系统 | |
CN107276951B (zh) | 载波同步方法和装置 | |
CN107276949B (zh) | 信号处理方法和系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190808 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. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211214 Address after: 102208 floor 3, building 1, North erpozi village, Huilongguan town, Changping District, Beijing Patentee after: Beijing Yimeisifang Software Technique Co.,Ltd. Address before: 518057 2nd floor, software building, No.9, Gaoxin middle 1st Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230728 Address after: 102200 Floor 2, Building 1 North, Erbozi Village, Huilongguan Town, Changping District, Beijing Patentee after: BEIJING BANNER ELECTRIC MANUFACTURING Corp. Address before: 102208 floor 3, building 1, North erpozi village, Huilongguan town, Changping District, Beijing Patentee before: Beijing Yimeisifang Software Technique Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231117 Address after: Room 405, 4th Floor, Building 1, North Erpozi Village, Huilongguan Town, Changping District, Beijing 102200, China Patentee after: Beijing Zhengxiangrui Technology Co.,Ltd. Address before: 102200 Floor 2, Building 1 North, Erbozi Village, Huilongguan Town, Changping District, Beijing Patentee before: BEIJING BANNER ELECTRIC MANUFACTURING Corp. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: 102201 2nd Floor, Building 1, North Erpuzi Village, Huilongguan Town, Changping District, Beijing Patentee after: BEIJING BANNER ELECTRIC MANUFACTURING Corp. Country or region after: China Address before: Room 405, 4th Floor, Building 1, North Erpozi Village, Huilongguan Town, Changping District, Beijing 102200, China Patentee before: Beijing Zhengxiangrui Technology Co.,Ltd. Country or region before: China |
|
TR01 | Transfer of patent right |