CN113452402B - 相干多载波二维捕获方法、装置、电子设备及存储介质 - Google Patents
相干多载波二维捕获方法、装置、电子设备及存储介质 Download PDFInfo
- Publication number
- CN113452402B CN113452402B CN202111008833.9A CN202111008833A CN113452402B CN 113452402 B CN113452402 B CN 113452402B CN 202111008833 A CN202111008833 A CN 202111008833A CN 113452402 B CN113452402 B CN 113452402B
- Authority
- CN
- China
- Prior art keywords
- search
- doppler frequency
- dimensional
- code phase
- frequency offset
- 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
- 230000001427 coherent effect Effects 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000009825 accumulation Methods 0.000 claims abstract description 53
- 238000001228 spectrum Methods 0.000 claims abstract description 35
- 239000000969 carrier Substances 0.000 claims abstract description 19
- 230000007480 spreading Effects 0.000 claims description 21
- 230000010363 phase shift Effects 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004422 calculation algorithm Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H04B1/70758—Multimode search, i.e. using multiple search strategies
-
- 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
- H04B1/7087—Carrier synchronisation aspects
-
- 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
- H04B1/709—Correlator structure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111008833.9A CN113452402B (zh) | 2021-08-31 | 2021-08-31 | 相干多载波二维捕获方法、装置、电子设备及存储介质 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111008833.9A CN113452402B (zh) | 2021-08-31 | 2021-08-31 | 相干多载波二维捕获方法、装置、电子设备及存储介质 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113452402A CN113452402A (zh) | 2021-09-28 |
CN113452402B true CN113452402B (zh) | 2022-01-25 |
Family
ID=77819092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111008833.9A Active CN113452402B (zh) | 2021-08-31 | 2021-08-31 | 相干多载波二维捕获方法、装置、电子设备及存储介质 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113452402B (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7636383B1 (en) * | 2006-05-03 | 2009-12-22 | Rockwell Collins, Inc. | Signal acquisition with efficient doppler search |
CN103499823A (zh) * | 2013-09-29 | 2014-01-08 | 北京星地恒通信息科技有限公司 | 扩频通信中二维并行捕获系统 |
CN103592664A (zh) * | 2013-10-17 | 2014-02-19 | 中国科学院光电研究院 | 一种粗捕加细捕的扩频信号同步方法 |
CN105162493A (zh) * | 2015-08-04 | 2015-12-16 | 北京理工大学 | 多普勒域和延迟域二维捕获方法及装置 |
CN110166080A (zh) * | 2019-05-22 | 2019-08-23 | 北京理工大学 | 相干多载波捕获方法及装置 |
CN110191079A (zh) * | 2019-05-22 | 2019-08-30 | 北京理工大学 | 非相干联合捕获方法及装置 |
-
2021
- 2021-08-31 CN CN202111008833.9A patent/CN113452402B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7636383B1 (en) * | 2006-05-03 | 2009-12-22 | Rockwell Collins, Inc. | Signal acquisition with efficient doppler search |
CN103499823A (zh) * | 2013-09-29 | 2014-01-08 | 北京星地恒通信息科技有限公司 | 扩频通信中二维并行捕获系统 |
CN103592664A (zh) * | 2013-10-17 | 2014-02-19 | 中国科学院光电研究院 | 一种粗捕加细捕的扩频信号同步方法 |
CN105162493A (zh) * | 2015-08-04 | 2015-12-16 | 北京理工大学 | 多普勒域和延迟域二维捕获方法及装置 |
CN110166080A (zh) * | 2019-05-22 | 2019-08-23 | 北京理工大学 | 相干多载波捕获方法及装置 |
CN110191079A (zh) * | 2019-05-22 | 2019-08-30 | 北京理工大学 | 非相干联合捕获方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN113452402A (zh) | 2021-09-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11456829B2 (en) | Transmitter and method of transmitting, receiver and method of receiving | |
US20190132176A1 (en) | Transmitter and method of transmitting | |
US5920598A (en) | Receiving apparatus and receiving method | |
CN109088840B (zh) | 一种信息传输方法和装置 | |
US8498354B2 (en) | Digital communications receiver and method of estimating residual carrier frequency offset in a received signal | |
JP2009538579A (ja) | Ofdmおよびmimo送信のための位相補正 | |
EP2592801B1 (en) | Wireless communication receiver with phase noise estimation and phase noise compensation performed after channel estimation and related wireless communication receiving method | |
US20090034407A1 (en) | Receiver-site restoration of clipped signal peaks | |
CN112054983B (zh) | 一种ofdm接收机的信号幅度处理方法、装置及终端设备 | |
CN114039713B (zh) | 一种5g上行物理层信道的处理方法、装置、设备及产品 | |
CN115412408A (zh) | 信道噪声功率的确定方法及其装置、电子设备及存储介质 | |
WO2014155065A1 (en) | Transmitter and method of transmitting payload data, receiver and method of receiving payload data in an ofdm system | |
CN113904904A (zh) | 基于ofdm的整数频偏估计方法、系统、介质及设备 | |
CN113452402B (zh) | 相干多载波二维捕获方法、装置、电子设备及存储介质 | |
CN114257253A (zh) | 宽带iq不平衡的补偿方法及装置 | |
CN112929317B (zh) | 相位噪声估计方法和装置、通信装置、及通信设备 | |
CN108736919B (zh) | 一种噪声功率估计方法及装置 | |
US20170244589A1 (en) | Receiving circuit for estimating frequency offset and associated method | |
CN102957637B (zh) | 一种单载波频域均衡高速业务的信道估计方法和装置 | |
CN109039985A (zh) | 一种基于重采样的ofdm信号盲解调方法 | |
US8665973B2 (en) | Removal of a band-limited distributed pilot from an OFDM signal | |
KR101073817B1 (ko) | 대역폭 검출기 및 대역폭 검출방법, 및 그 검출기를 포함한ofdm 수신장치 | |
JP4745072B2 (ja) | 受信装置 | |
CN110365617B (zh) | 基于时空基准下的多用户正交频分多址接收方法和装置 | |
CN115001922B (zh) | 一种低导频开销的多载波符号快速恢复方法、装置及系统 |
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 | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zeng Liang Inventor after: Shao Yizhe Inventor after: tiger's roar Inventor after: Luo Shixun Inventor after: Wang Shuai Inventor after: An Jianping Inventor after: Yan Weihao Inventor before: Shao Yizhe Inventor before: tiger's roar Inventor before: Luo Shixun Inventor before: Wang Shuai Inventor before: An Jianping Inventor before: Yan Weihao |
|
GR01 | Patent grant | ||
GR01 | Patent grant |