CN1144395C - 降低越区切换过程中同步时间的方法 - Google Patents
降低越区切换过程中同步时间的方法 Download PDFInfo
- Publication number
- CN1144395C CN1144395C CNB998169080A CN99816908A CN1144395C CN 1144395 C CN1144395 C CN 1144395C CN B998169080 A CNB998169080 A CN B998169080A CN 99816908 A CN99816908 A CN 99816908A CN 1144395 C CN1144395 C CN 1144395C
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- China
- Prior art keywords
- propagation delay
- spv
- delay value
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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.)
- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1999/006951 WO2001022620A1 (en) | 1999-09-20 | 1999-09-20 | A method to decrease synchronization time in handover |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1367960A CN1367960A (zh) | 2002-09-04 |
CN1144395C true CN1144395C (zh) | 2004-03-31 |
Family
ID=8167442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998169080A Expired - Fee Related CN1144395C (zh) | 1999-09-20 | 1999-09-20 | 降低越区切换过程中同步时间的方法 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1214803B1 (zh) |
JP (1) | JP3692078B2 (zh) |
CN (1) | CN1144395C (zh) |
AU (1) | AU5979899A (zh) |
BR (1) | BR9917492A (zh) |
DE (1) | DE69922419T2 (zh) |
WO (1) | WO2001022620A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3657229B2 (ja) | 2002-02-19 | 2005-06-08 | 富士通株式会社 | 距離測定システムにおける位相差遅延制御システム |
CN112116919B (zh) * | 2019-06-19 | 2024-06-04 | 杭州海康威视数字技术股份有限公司 | 一种回声消除方法、装置及电子设备 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9016277D0 (en) * | 1990-07-25 | 1990-09-12 | British Telecomm | Location and handover in mobile radio systems |
SE506759C2 (sv) * | 1996-09-30 | 1998-02-09 | Ericsson Telefon Ab L M | Anordning och förfarande för att lokalisera en mobilstation i ett cellulärt mobiltelefonsystem |
-
1999
- 1999-09-20 BR BR9917492-8A patent/BR9917492A/pt not_active IP Right Cessation
- 1999-09-20 AU AU59798/99A patent/AU5979899A/en not_active Abandoned
- 1999-09-20 DE DE69922419T patent/DE69922419T2/de not_active Expired - Lifetime
- 1999-09-20 JP JP2001525871A patent/JP3692078B2/ja not_active Expired - Fee Related
- 1999-09-20 EP EP99974043A patent/EP1214803B1/en not_active Expired - Lifetime
- 1999-09-20 WO PCT/EP1999/006951 patent/WO2001022620A1/en active IP Right Grant
- 1999-09-20 CN CNB998169080A patent/CN1144395C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU5979899A (en) | 2001-04-24 |
EP1214803A1 (en) | 2002-06-19 |
DE69922419D1 (de) | 2005-01-05 |
EP1214803B1 (en) | 2004-12-01 |
JP2003510888A (ja) | 2003-03-18 |
CN1367960A (zh) | 2002-09-04 |
JP3692078B2 (ja) | 2005-09-07 |
DE69922419T2 (de) | 2005-11-24 |
BR9917492A (pt) | 2002-05-14 |
WO2001022620A1 (en) | 2001-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NOKIA AND SIEMENS NETWORKS CO., LTD. Free format text: FORMER OWNER: NOKIA NETWORKS OY Effective date: 20080718 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080718 Address after: Espoo, Finland Patentee after: Nokia Siemens Network Co., Ltd. Address before: Espoo, Finland Patentee before: Nokia Oyj |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040331 Termination date: 20091020 |