CN1992556B - 上行链路的同步方法及系统 - Google Patents
上行链路的同步方法及系统 Download PDFInfo
- Publication number
- CN1992556B CN1992556B CN2005101120707A CN200510112070A CN1992556B CN 1992556 B CN1992556 B CN 1992556B CN 2005101120707 A CN2005101120707 A CN 2005101120707A CN 200510112070 A CN200510112070 A CN 200510112070A CN 1992556 B CN1992556 B CN 1992556B
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- CN
- China
- Prior art keywords
- pilot frequency
- ascending pilot
- node
- uplink synchronous
- subscriber equipment
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- 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.)
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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
- H04B1/7075—Synchronisation aspects with code phase acquisition
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (12)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005101120707A CN1992556B (zh) | 2005-12-27 | 2005-12-27 | 上行链路的同步方法及系统 |
US11/647,536 US7738429B2 (en) | 2005-12-27 | 2006-12-27 | Method and system for uplink synchronization |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005101120707A CN1992556B (zh) | 2005-12-27 | 2005-12-27 | 上行链路的同步方法及系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1992556A CN1992556A (zh) | 2007-07-04 |
CN1992556B true CN1992556B (zh) | 2010-12-29 |
Family
ID=38214534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005101120707A Active CN1992556B (zh) | 2005-12-27 | 2005-12-27 | 上行链路的同步方法及系统 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7738429B2 (zh) |
CN (1) | CN1992556B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8711765B2 (en) * | 2006-09-27 | 2014-04-29 | Texas Instruments Incorporated | Uplink synchronization management in wireless networks |
CN101087173B (zh) * | 2007-07-09 | 2010-10-13 | 北京天碁科技有限公司 | 一种td-scdma终端同步监控的方法及装置 |
CN101388752B (zh) | 2007-09-11 | 2011-08-17 | 电信科学技术研究院 | 基于时分双工系统的上行空间传输方法、终端和基站 |
WO2009041881A2 (en) * | 2007-09-28 | 2009-04-02 | Telefonaktiebolaget L M Ericsson (Publ) | Transmission of reference signal between uplink and downlink timeslots |
US8169978B2 (en) * | 2007-10-31 | 2012-05-01 | Freescale Semiconductor, Inc. | Techniques for frequency-domain joint detection in wireless communication systems |
CN101448313B (zh) * | 2007-11-27 | 2011-04-13 | 大唐移动通信设备有限公司 | 一种通信系统的同步方法及装置 |
JP5015327B2 (ja) * | 2007-12-20 | 2012-08-29 | リサーチ イン モーション リミテッド | アップリンクタイミング同期のための装置および方法 |
CN101990291B (zh) * | 2009-07-30 | 2013-07-03 | 中兴通讯股份有限公司 | 一种频偏预补偿的方法及装置 |
CN102075477B (zh) * | 2009-11-20 | 2013-12-04 | 中兴通讯股份有限公司 | 一种频偏补偿的方法和装置 |
US20110194630A1 (en) * | 2010-02-10 | 2011-08-11 | Yang Hua-Lung | Systems and methods for reporting radio link failure |
US9271203B2 (en) * | 2010-05-25 | 2016-02-23 | Qualcomm Incorporated | Alternate transmission scheme for high speed packet access (HSPA) |
CN102427382B (zh) * | 2011-08-12 | 2014-03-19 | 北京裕源大通科技有限公司 | 一种检波同步的方法 |
CN105530593B (zh) * | 2014-09-30 | 2019-04-30 | 中国移动通信集团公司 | 一种用户设备间的状态同步方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1549612A (zh) * | 2003-05-19 | 2004-11-24 | 皇家飞利浦电子股份有限公司 | 无线通信网络中点到点对等通信的上行链路同步保持的方法和装置 |
CN101133582A (zh) * | 2005-07-06 | 2008-02-27 | 中兴通讯股份有限公司 | 基于联合发送技术的上行同步建立方法及其传输矩阵 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7020180B2 (en) * | 2001-10-04 | 2006-03-28 | Qualcomm Inc. | Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system |
KR100557102B1 (ko) * | 2002-09-07 | 2006-03-03 | 삼성전자주식회사 | 이동통신 시스템에서 직교부호의 길이에 상관없는 공동검출 수신 장치 및 방법 |
CN1674455A (zh) * | 2004-03-25 | 2005-09-28 | 皇家飞利浦电子股份有限公司 | 在tdd cdma通信体系中用于实现下行链路联合检测的方法和装置 |
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2005
- 2005-12-27 CN CN2005101120707A patent/CN1992556B/zh active Active
-
2006
- 2006-12-27 US US11/647,536 patent/US7738429B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1549612A (zh) * | 2003-05-19 | 2004-11-24 | 皇家飞利浦电子股份有限公司 | 无线通信网络中点到点对等通信的上行链路同步保持的方法和装置 |
CN101133582A (zh) * | 2005-07-06 | 2008-02-27 | 中兴通讯股份有限公司 | 基于联合发送技术的上行同步建立方法及其传输矩阵 |
Also Published As
Publication number | Publication date |
---|---|
US7738429B2 (en) | 2010-06-15 |
CN1992556A (zh) | 2007-07-04 |
US20070160029A1 (en) | 2007-07-12 |
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TR01 | Transfer of patent right |
Effective date of registration: 20190313 Address after: 101399 Building 8-07, Ronghui Garden 6, Shunyi Airport Economic Core Area, Beijing Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd. Address before: 201203 3-4 Floor, 696 Songtao Road, Pudong, Shanghai Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
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Application publication date: 20070704 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Beijing) Co.,Ltd. Contract record no.: X2021110000008 Denomination of invention: Uplink synchronization method and system Granted publication date: 20101229 License type: Exclusive License Record date: 20210317 |
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Effective date of registration: 20221026 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 101399 Building 8-07, Ronghui Garden 6, Shunyi Airport Economic Core Area, Beijing Patentee before: Xin Xin finance leasing (Beijing) Co.,Ltd. |
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