CN101615922B - 一种下行同步跟踪方法及装置 - Google Patents
一种下行同步跟踪方法及装置 Download PDFInfo
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- 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
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
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CN 200810126320 CN101615922B (zh) | 2008-06-24 | 2008-06-24 | 一种下行同步跟踪方法及装置 |
PCT/CN2009/072435 WO2009155864A1 (zh) | 2008-06-24 | 2009-06-24 | 一种下行同步跟踪方法及装置 |
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CN 200810126320 CN101615922B (zh) | 2008-06-24 | 2008-06-24 | 一种下行同步跟踪方法及装置 |
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CN101615922A CN101615922A (zh) | 2009-12-30 |
CN101615922B true CN101615922B (zh) | 2012-12-05 |
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Families Citing this family (4)
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CN102447506A (zh) * | 2010-10-11 | 2012-05-09 | 中兴通讯股份有限公司 | 提高下行同步可靠性的方法及装置 |
CN102970081B (zh) * | 2012-07-17 | 2014-09-24 | 珠海银邮光电技术发展股份有限公司 | Td-scdma直放站下行导频时隙判断方法及系统 |
CN104518786B (zh) * | 2013-09-30 | 2017-12-15 | 华为技术有限公司 | 一种自动频率控制方法、自动频率控制装置及用户设备 |
CN107403441B (zh) * | 2016-05-19 | 2020-11-27 | 视辰信息科技(上海)有限公司 | 增强现实系统的跟踪方法和终端设备 |
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CN1710833A (zh) * | 2005-06-17 | 2005-12-21 | 凯明信息科技股份有限公司 | 码分多址移动通信系统中用于初始同步的相关方法 |
CN101136697A (zh) * | 2007-09-30 | 2008-03-05 | 中兴通讯股份有限公司 | 一种时分同步码分多址接入系统下行同步跟踪方法 |
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US6760365B2 (en) * | 2001-10-11 | 2004-07-06 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
CN1885744A (zh) * | 2006-07-11 | 2006-12-27 | 京信通信技术(广州)有限公司 | 移动通信系统中适合fpga实现的同步方法 |
CN100525132C (zh) * | 2006-12-06 | 2009-08-05 | 重庆重邮信科通信技术有限公司 | 一种用户终端小区初始搜索中实现码片级精确同步的方法 |
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CN1710833A (zh) * | 2005-06-17 | 2005-12-21 | 凯明信息科技股份有限公司 | 码分多址移动通信系统中用于初始同步的相关方法 |
CN101136697A (zh) * | 2007-09-30 | 2008-03-05 | 中兴通讯股份有限公司 | 一种时分同步码分多址接入系统下行同步跟踪方法 |
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WO2009155864A1 (zh) | 2009-12-30 |
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Effective date of registration: 20151130 Address after: Dameisha Yantian District of Shenzhen City, Guangdong province 518085 Building No. 1 Patentee after: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee before: ZTE Corporation |
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Application publication date: 20091230 Assignee: Xi'an Chris Semiconductor Technology Co. Ltd. Assignor: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Contract record no.: 2019440020036 Denomination of invention: Downlink synchronous tracking method and downlink synchronous tracking device Granted publication date: 20121205 License type: Common License Record date: 20190619 |