CN101499844B - Frequency synchronization method for WCDMA system downlink receiver - Google Patents
Frequency synchronization method for WCDMA system downlink receiver Download PDFInfo
- Publication number
- CN101499844B CN101499844B CN2008100261434A CN200810026143A CN101499844B CN 101499844 B CN101499844 B CN 101499844B CN 2008100261434 A CN2008100261434 A CN 2008100261434A CN 200810026143 A CN200810026143 A CN 200810026143A CN 101499844 B CN101499844 B CN 101499844B
- Authority
- CN
- China
- Prior art keywords
- frequency
- synchronization method
- module
- wcdma system
- downlink receiver
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 102100024630 Asc-type amino acid transporter 1 Human genes 0.000 claims description 6
- 101100110003 Danio rerio pycard gene Proteins 0.000 claims description 6
- 101100223811 Caenorhabditis elegans dsc-1 gene Proteins 0.000 claims description 3
- 101100503387 Schizosaccharomyces pombe (strain 972 / ATCC 24843) fsc1 gene Proteins 0.000 claims description 3
- 101100334377 Xenopus laevis fscn gene Proteins 0.000 claims description 3
- -1 fsc2 ... Proteins 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 108010003272 Hyaluronate lyase Proteins 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 description 14
- 238000001914 filtration Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- ODKSFYDXXFIFQN-UHFFFAOYSA-M argininate Chemical compound [O-]C(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-M 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100261434A CN101499844B (en) | 2008-01-30 | 2008-01-30 | Frequency synchronization method for WCDMA system downlink receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100261434A CN101499844B (en) | 2008-01-30 | 2008-01-30 | Frequency synchronization method for WCDMA system downlink receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101499844A CN101499844A (en) | 2009-08-05 |
CN101499844B true CN101499844B (en) | 2012-08-08 |
Family
ID=40946741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100261434A Expired - Fee Related CN101499844B (en) | 2008-01-30 | 2008-01-30 | Frequency synchronization method for WCDMA system downlink receiver |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101499844B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101631100B (en) * | 2009-08-13 | 2012-05-30 | 电信科学技术第一研究所 | Method for reducing synchronous time of spread spectrum sequence of CDMA receiver |
CN111490955B (en) * | 2020-03-10 | 2023-05-05 | 西安宇飞电子技术有限公司 | Method and device for realizing synchronous head search under large frequency offset |
CN111431553B (en) * | 2020-03-12 | 2021-06-04 | 展讯通信(上海)有限公司 | Signal transmission method, system, electronic device and storage medium |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1710833A (en) * | 2005-06-17 | 2005-12-21 | 凯明信息科技股份有限公司 | Relative method for primary synchronizing in CDMA mobile communication system |
CN1988427A (en) * | 2005-12-23 | 2007-06-27 | 上海华龙信息技术开发中心 | Method for accurately catching frequency in wide band CDMA communication system |
-
2008
- 2008-01-30 CN CN2008100261434A patent/CN101499844B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1710833A (en) * | 2005-06-17 | 2005-12-21 | 凯明信息科技股份有限公司 | Relative method for primary synchronizing in CDMA mobile communication system |
CN1988427A (en) * | 2005-12-23 | 2007-06-27 | 上海华龙信息技术开发中心 | Method for accurately catching frequency in wide band CDMA communication system |
Also Published As
Publication number | Publication date |
---|---|
CN101499844A (en) | 2009-08-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6888880B2 (en) | Apparatus for searching for a cell and method of acquiring code unique to each cell in an asynchronous wideband DS/CDMA receiver | |
CN101473620B (en) | Method and apparatus for using the synchronization channel to obtain measurements of neighboring cells in an OFDM communications system | |
US8411552B2 (en) | Cell search method in OFDM cellular system, frame transmission method thereof, and forward link frame structure thereof | |
US8345714B2 (en) | Cell search method and apparatus for asynchronous mobile communication system | |
CN102065048B (en) | Time domain joint estimation method for OFDM frame synchronization, frequency synchronization and symbol fine synchronization | |
CN101174853B (en) | Initial cell search algorithm | |
CN102223322B (en) | Estimation method and apparatus for frequency offset | |
CN102025671B (en) | Time domain joint estimation method for time coarse synchronization and frequency fine synchronization | |
AU2001234091B2 (en) | Method for frequency offset estimation in a direct sequence spread spectrum communications receiver | |
GB2367211A (en) | Slot timing acquisition and local oscillator frequency offset correction in a direct sequence spread spectrum receiver | |
CN1886957A (en) | Apparatus and method for frequency estimation of TD-SCDMA system downlink | |
AU2001234091A1 (en) | Method for frequency offset estimation in a direct sequence spread spectrum communications receiver | |
CN102098259A (en) | Signal emission method in multi-subband orthogonal frequency division multiplexing (OFDM) system | |
CN101499844B (en) | Frequency synchronization method for WCDMA system downlink receiver | |
CN101047422B (en) | Method for implementing synchronous under code stage of time-division-synchronous CDMA system | |
US8107564B2 (en) | Device for detecting a frequency offset | |
CN101667846A (en) | Method and device for automatically controlling frequency in TD-SCDMA system | |
CN103188067A (en) | Method for estimating and correcting deviation and error of chip clock frequency of spread spectrum system | |
JP2004528777A (en) | Apparatus for synchronizing a transmitter and a receiver in a communication system | |
CN102036362B (en) | Method and device for acquiring multi-frame synchronization | |
GB2368751A (en) | Iterative adjustment of the reference oscillator frequency offset in a receiver | |
KR100353840B1 (en) | Apparatus and method for serearching cell in wireless communication system | |
CN104753833A (en) | Timing estimation method | |
CN100596128C (en) | A detection method and device for position of primary common control physical channel | |
CN102665269B (en) | Symbol timing synchronization method and symbol timing synchronization system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JINGXIN COMMUNICATION SYSTEM CO LTD (GUANGZHOU) Free format text: FORMER OWNER: COMBA TELECOM SYSTEMS (CHINA) CO., LTD. Effective date: 20150825 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150825 Address after: 510663 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: Comba Telecom Systems (Guangzhou) Co., Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee before: Comba Telecom System (China) Co., Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160407 Address after: Nansha District Fengze road Guangzhou city Guangdong province 510000 No. 106 (self building No. 1) X1301-F322 (only for office use) (JM) Patentee after: Guangzhou Zhongding Forest Network Technology Co. Ltd. Address before: 510663 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee before: Comba Telecom Systems (Guangzhou) Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20210130 |
|
CF01 | Termination of patent right due to non-payment of annual fee |