CN1553586A - Descending synchronous calibrating method and apparatus for TD-SCDMA system - Google Patents
Descending synchronous calibrating method and apparatus for TD-SCDMA system Download PDFInfo
- Publication number
- CN1553586A CN1553586A CNA2003101217296A CN200310121729A CN1553586A CN 1553586 A CN1553586 A CN 1553586A CN A2003101217296 A CNA2003101217296 A CN A2003101217296A CN 200310121729 A CN200310121729 A CN 200310121729A CN 1553586 A CN1553586 A CN 1553586A
- Authority
- CN
- China
- Prior art keywords
- channel
- impulse response
- footpath
- channel impulse
- predetermined number
- 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.)
- Granted
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000004044 response Effects 0.000 claims abstract description 69
- 238000004364 calculation method Methods 0.000 claims abstract description 15
- 238000012549 training Methods 0.000 claims description 15
- 230000001186 cumulative effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 230000008569 process Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101217296A CN100508414C (en) | 2003-12-19 | 2003-12-19 | Descending synchronous calibrating method and apparatus for TD-SCDMA system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101217296A CN100508414C (en) | 2003-12-19 | 2003-12-19 | Descending synchronous calibrating method and apparatus for TD-SCDMA system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1553586A true CN1553586A (en) | 2004-12-08 |
CN100508414C CN100508414C (en) | 2009-07-01 |
Family
ID=34338529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101217296A Expired - Lifetime CN100508414C (en) | 2003-12-19 | 2003-12-19 | Descending synchronous calibrating method and apparatus for TD-SCDMA system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100508414C (en) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006119688A1 (en) * | 2005-05-13 | 2006-11-16 | Shanghai Ultimate Power Communications Technology Co., Ltd. | A distribution method of multi basic midamble and joint detection method |
WO2006125365A1 (en) * | 2005-05-24 | 2006-11-30 | Shanghai Ultimate Power Communications Technology Co., Ltd. | A method for determining user channel impulse response in td-scdma system |
CN1330099C (en) * | 2004-12-15 | 2007-08-01 | 展讯通信(上海)有限公司 | A method for implementing sending and receiving control of TD-SCDMA system under different conditions |
WO2008052406A1 (en) * | 2006-10-31 | 2008-05-08 | Zte Corporation | Method for sending sch in tdd system |
CN100399847C (en) * | 2005-02-24 | 2008-07-02 | 大唐移动通信设备有限公司 | Method for measuring adjacent cell |
CN1855768B (en) * | 2005-04-20 | 2010-04-21 | 大唐移动通信设备有限公司 | Coarse synchronizing method and device for cell searching |
CN101026607B (en) * | 2007-01-23 | 2010-07-07 | 北京天碁科技有限公司 | Common frequency community downlink synchronous code detecting method and device |
CN101110631B (en) * | 2006-07-19 | 2010-09-29 | 大唐移动通信设备有限公司 | Method for transmitting data between communication units in communication system and device thereof |
CN1798002B (en) * | 2004-12-27 | 2010-10-06 | 上海宣普实业有限公司 | Code detection method and device in TDS-CDMA mobile communication system |
CN101114877B (en) * | 2007-03-12 | 2010-12-08 | 中兴通讯股份有限公司 | Enhanced synchronous channel transmitting method |
CN1972156B (en) * | 2006-12-06 | 2011-03-23 | 重庆重邮信科通信技术有限公司 | Precise determining method for downlink synchronization slot under low signal-to-noise ratio |
CN101136697B (en) * | 2007-09-30 | 2011-05-11 | 中兴通讯股份有限公司 | Downlink synchronization tracking method of time-division synchronization CDMA access system |
CN102111868A (en) * | 2009-12-29 | 2011-06-29 | 电信科学技术研究院 | Null interface synchronization method and base station |
CN102158273A (en) * | 2010-11-24 | 2011-08-17 | 意法·爱立信半导体(北京)有限公司 | Method and device for realizing terminal calibration, and terminal |
CN102196553A (en) * | 2011-03-31 | 2011-09-21 | 重庆重邮信科通信技术有限公司 | Timing synchronization correcting method of mobile terminal |
CN101707800B (en) * | 2009-06-30 | 2011-11-16 | 重庆重邮信科通信技术有限公司 | Method and device for obtaining synchronization timing of GSM neighboring cell |
US8111641B2 (en) | 2005-05-26 | 2012-02-07 | Shanghai Ultimate Power Communications Technology Co., Ltd. | Joint detection (jd) method for adjacent cells in TDD/CDMA system |
CN104468011A (en) * | 2013-09-22 | 2015-03-25 | 中国移动通信集团设计院有限公司 | Simulation test terminal and signal processing method |
CN105704835A (en) * | 2007-06-22 | 2016-06-22 | 汤姆逊许可公司 | Method for media access in competition-based network and equipment thereof |
WO2018130092A1 (en) * | 2017-01-10 | 2018-07-19 | 华为技术有限公司 | Information receiving and sending method and device |
-
2003
- 2003-12-19 CN CNB2003101217296A patent/CN100508414C/en not_active Expired - Lifetime
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1330099C (en) * | 2004-12-15 | 2007-08-01 | 展讯通信(上海)有限公司 | A method for implementing sending and receiving control of TD-SCDMA system under different conditions |
CN1798002B (en) * | 2004-12-27 | 2010-10-06 | 上海宣普实业有限公司 | Code detection method and device in TDS-CDMA mobile communication system |
CN100399847C (en) * | 2005-02-24 | 2008-07-02 | 大唐移动通信设备有限公司 | Method for measuring adjacent cell |
CN1855768B (en) * | 2005-04-20 | 2010-04-21 | 大唐移动通信设备有限公司 | Coarse synchronizing method and device for cell searching |
WO2006119688A1 (en) * | 2005-05-13 | 2006-11-16 | Shanghai Ultimate Power Communications Technology Co., Ltd. | A distribution method of multi basic midamble and joint detection method |
WO2006125365A1 (en) * | 2005-05-24 | 2006-11-30 | Shanghai Ultimate Power Communications Technology Co., Ltd. | A method for determining user channel impulse response in td-scdma system |
US7899014B2 (en) | 2005-05-24 | 2011-03-01 | Shanghai Ultimate Power Communications Technology Co., Ltd. | Method for determining user channel impulse response in TD-SCDMA system |
US8111641B2 (en) | 2005-05-26 | 2012-02-07 | Shanghai Ultimate Power Communications Technology Co., Ltd. | Joint detection (jd) method for adjacent cells in TDD/CDMA system |
CN101110631B (en) * | 2006-07-19 | 2010-09-29 | 大唐移动通信设备有限公司 | Method for transmitting data between communication units in communication system and device thereof |
CN101175058B (en) * | 2006-10-31 | 2010-05-19 | 中兴通讯股份有限公司 | Synchronous channel transmission method of TDD system |
WO2008052406A1 (en) * | 2006-10-31 | 2008-05-08 | Zte Corporation | Method for sending sch in tdd system |
CN1972156B (en) * | 2006-12-06 | 2011-03-23 | 重庆重邮信科通信技术有限公司 | Precise determining method for downlink synchronization slot under low signal-to-noise ratio |
CN101026607B (en) * | 2007-01-23 | 2010-07-07 | 北京天碁科技有限公司 | Common frequency community downlink synchronous code detecting method and device |
CN101114877B (en) * | 2007-03-12 | 2010-12-08 | 中兴通讯股份有限公司 | Enhanced synchronous channel transmitting method |
CN105704835A (en) * | 2007-06-22 | 2016-06-22 | 汤姆逊许可公司 | Method for media access in competition-based network and equipment thereof |
CN101136697B (en) * | 2007-09-30 | 2011-05-11 | 中兴通讯股份有限公司 | Downlink synchronization tracking method of time-division synchronization CDMA access system |
CN101707800B (en) * | 2009-06-30 | 2011-11-16 | 重庆重邮信科通信技术有限公司 | Method and device for obtaining synchronization timing of GSM neighboring cell |
CN102111868A (en) * | 2009-12-29 | 2011-06-29 | 电信科学技术研究院 | Null interface synchronization method and base station |
CN102158273A (en) * | 2010-11-24 | 2011-08-17 | 意法·爱立信半导体(北京)有限公司 | Method and device for realizing terminal calibration, and terminal |
WO2012068982A1 (en) * | 2010-11-24 | 2012-05-31 | 意法·爱立信半导体(北京)有限公司 | Method and apparatus for terminal calibration and terminal |
CN102158273B (en) * | 2010-11-24 | 2013-10-16 | 意法·爱立信半导体(北京)有限公司 | Method and device for realizing terminal calibration, and terminal |
CN102196553A (en) * | 2011-03-31 | 2011-09-21 | 重庆重邮信科通信技术有限公司 | Timing synchronization correcting method of mobile terminal |
CN104468011A (en) * | 2013-09-22 | 2015-03-25 | 中国移动通信集团设计院有限公司 | Simulation test terminal and signal processing method |
CN104468011B (en) * | 2013-09-22 | 2018-03-23 | 中国移动通信集团设计院有限公司 | A kind of simulation test terminal and signal processing method |
WO2018130092A1 (en) * | 2017-01-10 | 2018-07-19 | 华为技术有限公司 | Information receiving and sending method and device |
US11071080B2 (en) | 2017-01-10 | 2021-07-20 | Huawei Technologies Co., Ltd. | Information receiving method, information sending method, and device |
Also Published As
Publication number | Publication date |
---|---|
CN100508414C (en) | 2009-07-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1553586A (en) | Descending synchronous calibrating method and apparatus for TD-SCDMA system | |
CN1131653C (en) | Small-region initial search method for CDMA digital mobile communication system | |
CN1146121C (en) | Rake receiver and finger management, method for spread spectrum communication | |
CN1137551C (en) | Method and apparatus for multipath delay estimation in direct sequence spread spectrum communication systems | |
CN1259785C (en) | Method for obtaining carrier frequency departure of time division synchronous CDMA (TD-SCDMA) user terminal and equipment | |
CN1275485C (en) | Method for detecting user's terminal random cut-in | |
CN1496613A (en) | Method and apparatus for searching gated pilot | |
CN1218525C (en) | Method and system for elimination interference in multiple subzones CDMA system | |
CN1254993C (en) | Minor region search method and equipment for mobile station in mobile communication system | |
CN1216180A (en) | Synchronization of transmissions from subscriber unit to base unit in radio CDMA communications system | |
CN1349324A (en) | Method and equipment for district searching used for mobile station of mobile communication system | |
CN1321018A (en) | Route finding circuit for dividing receiving signal into multiple FFT window to reduce mutual correlation number arithmetic operation | |
CN1415158A (en) | System and method for joint time tracking of multiple paths | |
CN1120591C (en) | Direct bandspread/comprehensive CDMA bandspread coherent receiver | |
CN1402911A (en) | CDMA receiver, and reception method | |
CN1486106A (en) | Apparatus and method for selfadaptive beam forming of intelligent antenna | |
CN1270464C (en) | Apparatus and method for identifying mobile signal in mobile communication system | |
CN1226839C (en) | Method for improving handover performance in synchonism CDMA mobile communication system | |
CN1588834A (en) | Frequency deviation evaluation device and method | |
CN1211966C (en) | Method and system for fast synchronization of uplink and receiver for base station's access channel | |
CN1688120A (en) | Timing tracking apparatus, receiver, timing tracking and regulating method | |
CN1254034C (en) | CDMA system multi-path searth interpolation method | |
US9456367B2 (en) | Multi-path search apparatus and method in a wireless communication system | |
CN1540896A (en) | Method for searching sub zone, implementation equipment and mobile communication terminal | |
CN101753204A (en) | Spread spectrum acquisition method in multi-path dense environment |
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 |
Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD., SHANGHAI Owner name: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD. Effective date: 20110408 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100191 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110408 Address after: 100191 Haidian District, Xueyuan Road, No. 40, Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Co-patentee before: SHANGHAI DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Patentee before: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210602 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: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20090701 |