CN1505419A - 蜂窝式通信系统、其中同步基站的方法、及其程序产品 - Google Patents
蜂窝式通信系统、其中同步基站的方法、及其程序产品 Download PDFInfo
- Publication number
- CN1505419A CN1505419A CNA200310102453A CN200310102453A CN1505419A CN 1505419 A CN1505419 A CN 1505419A CN A200310102453 A CNA200310102453 A CN A200310102453A CN 200310102453 A CN200310102453 A CN 200310102453A CN 1505419 A CN1505419 A CN 1505419A
- Authority
- CN
- China
- Prior art keywords
- base stations
- difference
- slave base
- frame
- sync
- 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
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000010267 cellular communication Effects 0.000 title claims abstract description 10
- 230000008569 process Effects 0.000 title description 2
- 230000001360 synchronised effect Effects 0.000 claims description 42
- 239000011159 matrix material Substances 0.000 claims description 5
- 230000001427 coherent effect Effects 0.000 claims description 3
- 238000004590 computer program Methods 0.000 claims description 3
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000011800 void material Substances 0.000 claims 1
- 238000013459 approach Methods 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
- H04W56/007—Open loop measurement
- H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
- H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2687—Inter base stations synchronisation
- H04B7/269—Master/slave synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
C/I(dB) | 差值方法 | SYNC方法 |
-7.94 | 99.2 | 57.8 |
-3.97 | 99.2 | 69.8 |
0.015 | 99.2 | 79.5 |
4.01 | 99.3 | 89.3 |
8.01 | 99.4 | 94.6 |
12.01 | 99.5 | 97.6 |
C/I(dB) | 差值方法 | SYNC方法 |
-7.94 | 99.6 | 57.8 |
-3.97 | 99.6 | 69.8 |
0.015 | 99.6 | 79.5 |
4.01 | 99.7 | 89.3 |
8.01 | 99.7 | 94.6 |
12.01 | 99.8 | 97.6 |
C/I(dB) | |te|max(码片)“差值方法” | |te|max(码片)“SYNC方法” |
-7.94 | 1 | 5425 |
-3.97 | 1 | 5342 |
0.015 | 1 | 4994 |
4.01 | 1 | 4994 |
8.01 | 1 | 4994 |
12.01 | 1 | 4994 |
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02425740.4 | 2002-11-29 | ||
EP02425740A EP1424790B1 (en) | 2002-11-29 | 2002-11-29 | Synchronising base stations in cellular communication systems |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1505419A true CN1505419A (zh) | 2004-06-16 |
CN100531008C CN100531008C (zh) | 2009-08-19 |
Family
ID=32241392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101024537A Expired - Lifetime CN100531008C (zh) | 2002-11-29 | 2003-10-21 | 蜂窝式通信系统和其中同步基站的方法 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1424790B1 (zh) |
CN (1) | CN100531008C (zh) |
AT (1) | ATE371308T1 (zh) |
DE (1) | DE60221992T2 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100548416B1 (ko) | 2003-10-28 | 2006-02-02 | 엘지전자 주식회사 | 무선 프레임 동기화 방법 |
WO2006001074A1 (ja) * | 2004-06-25 | 2006-01-05 | Mitsubishi Denki Kabushiki Kaisha | 基地局間時刻同期方法、タイミングマスタ装置、および基地局 |
GB2441372A (en) * | 2006-08-29 | 2008-03-05 | Ubiquisys Ltd | Syncronising basestations |
US7916710B2 (en) | 2006-11-02 | 2011-03-29 | Nokia Corporation | Method, device, system and software product for alternative time division duplex frame structure optimization |
CN102111868A (zh) * | 2009-12-29 | 2011-06-29 | 电信科学技术研究院 | 一种空口同步的方法和基站 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2207129T3 (es) * | 1999-03-29 | 2004-05-16 | Cit Alcatel | Procedimiento para sincronizar estaciones de base en una red de comunicaciones inalambricas. |
KR100572904B1 (ko) * | 2000-05-23 | 2006-04-24 | 지멘스 악티엔게젤샤프트 | 송신기와 수신기를 동기시키기 위한 방법 |
-
2002
- 2002-11-29 AT AT02425740T patent/ATE371308T1/de not_active IP Right Cessation
- 2002-11-29 DE DE60221992T patent/DE60221992T2/de not_active Expired - Lifetime
- 2002-11-29 EP EP02425740A patent/EP1424790B1/en not_active Expired - Lifetime
-
2003
- 2003-10-21 CN CNB2003101024537A patent/CN100531008C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60221992T2 (de) | 2008-05-15 |
EP1424790A1 (en) | 2004-06-02 |
DE60221992D1 (de) | 2007-10-04 |
CN100531008C (zh) | 2009-08-19 |
ATE371308T1 (de) | 2007-09-15 |
EP1424790B1 (en) | 2007-08-22 |
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C06 | Publication | ||
PB01 | Publication | ||
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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: SIEMENS AKTIENGESELLSCHAFT Free format text: FORMER OWNER: SIEMENS INF ORMATION AND COMMUNICATION NETWORKS S.P.A. Effective date: 20131205 Owner name: NOKIA SIEMENS NETWORKS ITALIA S.P.A. Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT Effective date: 20131205 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131205 Address after: Milan Italy Patentee after: NOKIA, SIEMENS communications, Italian Co. Address before: Milan Italy Patentee before: Siemens AG Effective date of registration: 20131205 Address after: Milan Italy Patentee after: SIEMENS AG Address before: Milan Italy Patentee before: SIEMENS MOBILE COMMUNICATIONS S.P.A. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Milan Italy Patentee after: NOKIA communications Italian Co. Address before: Milan Italy Patentee before: NOKIA, SIEMENS communications, Italian Co. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170911 Address after: Beijing City, Haidian District Qinghe Street No. 68 Huarun colorful city shopping center two 9 floor room 01 Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: Milan Italy Patentee before: NOKIA communications Italian Co. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20090819 |