CN101018087B - 移动通信系统的下行同步方法及装置 - Google Patents
移动通信系统的下行同步方法及装置 Download PDFInfo
- Publication number
- CN101018087B CN101018087B CN2006100073239A CN200610007323A CN101018087B CN 101018087 B CN101018087 B CN 101018087B CN 2006100073239 A CN2006100073239 A CN 2006100073239A CN 200610007323 A CN200610007323 A CN 200610007323A CN 101018087 B CN101018087 B CN 101018087B
- Authority
- CN
- China
- Prior art keywords
- sequence
- difference
- correlation
- correlation values
- receiving
- 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 35
- 238000010295 mobile communication Methods 0.000 title claims description 23
- 230000001360 synchronised effect Effects 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 17
- 230000002596 correlated effect Effects 0.000 claims description 13
- 238000012937 correction Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000010606 normalization Methods 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 abstract description 5
- 230000001174 ascending effect Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 230000001413 cellular effect Effects 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000021615 conjugation Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006100073239A CN101018087B (zh) | 2006-02-09 | 2006-02-09 | 移动通信系统的下行同步方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006100073239A CN101018087B (zh) | 2006-02-09 | 2006-02-09 | 移动通信系统的下行同步方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101018087A CN101018087A (zh) | 2007-08-15 |
CN101018087B true CN101018087B (zh) | 2010-09-08 |
Family
ID=38726871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006100073239A Active CN101018087B (zh) | 2006-02-09 | 2006-02-09 | 移动通信系统的下行同步方法及装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101018087B (zh) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101447823B (zh) * | 2007-11-27 | 2012-09-12 | 杰脉通信技术(上海)有限公司 | 一种td-scdma系统下行同步方法 |
CN101453261B (zh) * | 2007-12-03 | 2012-04-18 | 大唐移动通信设备有限公司 | 下行同步方法及装置 |
CN101453237B (zh) * | 2007-12-05 | 2012-09-05 | 大唐移动通信设备有限公司 | 搜索下行同步码的方法和装置 |
CN101453262B (zh) * | 2007-12-06 | 2012-04-18 | 大唐移动通信设备有限公司 | 下行同步方法及装置 |
CN101621488B (zh) * | 2009-08-07 | 2012-11-21 | 复旦大学 | Dvb-s2系统接收机全模式物理层帧同步方法 |
US8693305B2 (en) * | 2009-08-24 | 2014-04-08 | Qualcomm Incorporated | Method and apparatus for detecting OFDM signals in the presence of frequency orthogonal OFDM interferers |
CN102158943B (zh) * | 2010-02-11 | 2014-05-21 | 富士通株式会社 | 移动终端和移动终端中控制增益的方法 |
CN101860502B (zh) * | 2010-04-14 | 2016-01-27 | 中国科学院计算技术研究所 | 一种检测lte系统双工方式的方法和装置 |
CN101883412B (zh) * | 2010-07-02 | 2012-12-26 | 北京交通大学 | Lte在高速移动条件下初始小区搜索方法 |
CN102347925B (zh) * | 2010-07-30 | 2015-03-11 | 富士通株式会社 | 检测同步符号的方法和装置 |
CN101951356B (zh) * | 2010-09-26 | 2013-02-13 | 东南大学 | 一种基于峰值检测的ofdm-uwb系统同步方法 |
CN102468865A (zh) * | 2010-11-18 | 2012-05-23 | 中兴通讯股份有限公司 | 一种小区搜索粗同步的方法和装置 |
JP5591270B2 (ja) * | 2012-03-22 | 2014-09-17 | 株式会社Nttドコモ | 通信の可否を判定する判定装置及び判定方法 |
CN102665269B (zh) * | 2012-04-19 | 2014-09-03 | 大唐移动通信设备有限公司 | 符号定时同步方法及系统 |
CN104023386B (zh) * | 2013-03-01 | 2018-03-06 | 中兴通讯股份有限公司 | 发送端、接收端、及其帧同步方法、帧同步系统 |
CN104427526B (zh) * | 2013-08-21 | 2018-04-27 | 电信科学技术研究院 | 一种终端业务信道测试方法及综测仪 |
CN105530694A (zh) * | 2014-09-29 | 2016-04-27 | 国际商业机器公司 | 用户设备与基站同步的方法和装置 |
CN107509244B (zh) * | 2017-08-24 | 2020-12-22 | 深圳市高巨创新科技开发有限公司 | 一种无人机编队飞行的通信方法 |
CN110933007B (zh) * | 2019-08-20 | 2022-06-21 | 北京睿信丰科技有限公司 | 一种削除针对ofdm宽频信号干扰的装置及方法 |
CN112769529B (zh) * | 2019-11-01 | 2022-03-29 | 大唐移动通信设备有限公司 | 一种随机接入信道接收方法、发送方法及设备 |
CN115665847B (zh) * | 2022-12-26 | 2023-02-28 | 为准(北京)电子科技有限公司 | 一种窄带物联网单载波信号的上行同步方法和装置 |
CN117081715B (zh) * | 2023-10-16 | 2024-01-02 | 为准(北京)电子科技有限公司 | Lte上行共享信道时隙号检测方法、装置及非信令综测仪 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1396945A1 (en) * | 2001-05-23 | 2004-03-10 | Diseno de Sistemas en Silicio S.A. | Synchronisation method for the uplink channel in a point-to-multipoint communication with ofdm modulation |
CN1698390A (zh) * | 2003-03-08 | 2005-11-16 | 三星电子株式会社 | 宽带无线接入通信系统中使用初始测距方案的越区切换系统及其控制方法 |
-
2006
- 2006-02-09 CN CN2006100073239A patent/CN101018087B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1396945A1 (en) * | 2001-05-23 | 2004-03-10 | Diseno de Sistemas en Silicio S.A. | Synchronisation method for the uplink channel in a point-to-multipoint communication with ofdm modulation |
CN1698390A (zh) * | 2003-03-08 | 2005-11-16 | 三星电子株式会社 | 宽带无线接入通信系统中使用初始测距方案的越区切换系统及其控制方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101018087A (zh) | 2007-08-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101018087B (zh) | 移动通信系统的下行同步方法及装置 | |
CN102761957B (zh) | 一种实现td-lte数字中继技术初始同步的方法 | |
CN101183895B (zh) | 移动通信系统,发送设备和传输信号生成方法 | |
CN101326739B (zh) | 通信系统中的同步方法和系统 | |
CN101005307B (zh) | 宽带时分双工蜂窝系统的同步方法及小区初搜方法及终端 | |
CN101098218B (zh) | 一种随机接入前导信号的发射机和接收机 | |
CN102291351B (zh) | 一种ofdm无线通信系统中接收机的定时同步方法 | |
CN101090281A (zh) | 一种上行随机接入前导序列选择方法 | |
EP2876837B1 (en) | Method and device of frame synchronization of wireless system and wireless system | |
CN102790972B (zh) | 一种基于zc序列生成资源请求信道的空中信号的方法及装置 | |
CN102185685A (zh) | 移动终端发射随机接入信号方法及系统 | |
CN102098259B (zh) | 多子带正交频分复用系统中的信号发射方法 | |
CN1980207A (zh) | 通信系统中的时间同步方法和装置以及系统 | |
CN101336006B (zh) | 在传输时隙内多个随机接入信号的时分复用接入方法 | |
CN102026231B (zh) | 一种用于无线通信系统的随机接入检测方法 | |
CN102143574A (zh) | 一种适合于IEEE802.16m前导字结构的定时同步方法 | |
CN101222459B (zh) | 频域均衡系统的导频插入和信道估计方法 | |
CN101442520B (zh) | 无线通信系统上行链路中的定时同步方法 | |
CN101098161B (zh) | 发射序列检测方法、时域下行同步方法及小区搜索方法 | |
CN101945071A (zh) | 多点协作环境中同步序列的确定、以及同步方法与装置 | |
CN101060366B (zh) | 一种下行同步信号的定位方法及装置 | |
CN106160969A (zh) | 一种lte下行同步数据发射配置与接收方法 | |
CN1980208A (zh) | 通信系统中载波频率偏移估计方法和装置以及系统 | |
KR100567313B1 (ko) | 직교 주파수 분할 다중 접속 시스템에서의 셀 탐색 방법 | |
CN103346985B (zh) | 一种用于td-lte系统中时频参数快速估计的方法 |
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: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD. Effective date: 20110504 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 NO. 29, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100083 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110504 Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 Haidian District, Xueyuan Road, No. 29, Patentee before: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210611 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |