IL147524A0 - Method and apparatus for sequentially synchronized network - Google Patents
Method and apparatus for sequentially synchronized networkInfo
- Publication number
- IL147524A0 IL147524A0 IL14752400A IL14752400A IL147524A0 IL 147524 A0 IL147524 A0 IL 147524A0 IL 14752400 A IL14752400 A IL 14752400A IL 14752400 A IL14752400 A IL 14752400A IL 147524 A0 IL147524 A0 IL 147524A0
- Authority
- IL
- Israel
- Prior art keywords
- frequency
- time
- system time
- frequency values
- station
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
-
- 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
- H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/360,491 US6671291B1 (en) | 1999-07-21 | 1999-07-21 | Method and apparatus for sequentially synchronized network |
PCT/US2000/019673 WO2001008344A2 (fr) | 1999-07-21 | 2000-07-19 | Procede et appareil destine a un reseau synchronise sequentiellement |
Publications (1)
Publication Number | Publication Date |
---|---|
IL147524A0 true IL147524A0 (en) | 2002-08-14 |
Family
ID=23418188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL14752400A IL147524A0 (en) | 1999-07-21 | 2000-07-19 | Method and apparatus for sequentially synchronized network |
Country Status (15)
Country | Link |
---|---|
US (1) | US6671291B1 (fr) |
EP (1) | EP1201050B1 (fr) |
JP (3) | JP2003505977A (fr) |
KR (1) | KR20020020792A (fr) |
CN (1) | CN1375139A (fr) |
AT (1) | ATE557482T1 (fr) |
AU (1) | AU6223100A (fr) |
BR (1) | BR0012561A (fr) |
CA (1) | CA2378626A1 (fr) |
HK (1) | HK1047829A1 (fr) |
IL (1) | IL147524A0 (fr) |
MX (1) | MXPA02000741A (fr) |
NO (1) | NO20020292L (fr) |
TW (1) | TW498668B (fr) |
WO (1) | WO2001008344A2 (fr) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9921008D0 (en) * | 1999-09-06 | 1999-11-10 | Nokia Telecommunications Oy | Network frequency setting |
GB9930132D0 (en) * | 1999-12-22 | 2000-02-09 | Ericsson Telefon Ab L M | Telecommunication network synchronisation |
US6963588B1 (en) * | 2000-11-21 | 2005-11-08 | Cellco Partnership | System and methodology for automatically setting a clock |
GB0101200D0 (en) * | 2001-01-17 | 2001-02-28 | Roke Manor Research | Nodeb frequency acquisition |
GB2373400B (en) * | 2001-01-17 | 2003-04-09 | Marconi Comm Ltd | Real time clocks in communications networks |
WO2002065669A2 (fr) * | 2001-02-14 | 2002-08-22 | Siemens Aktiengesellschaft | Procede et dispositif de communication pour la synchronisation de stations dans un systeme de communication radio |
US7050420B2 (en) * | 2001-03-21 | 2006-05-23 | Broadcom Corporation | System for maintaining synchronization between multiple asynchronous communication links |
GB2388264A (en) * | 2002-01-10 | 2003-11-05 | Roke Manor Research | GPS based networked time synchronised unit |
KR20030096873A (ko) * | 2002-06-18 | 2003-12-31 | 현광전자통신 주식회사 | 원격 중계장치에 기준 주파수 발생기가 필요 없는 주파수변환 중계기 시스템 및 그 방법 |
US7231555B2 (en) * | 2002-08-22 | 2007-06-12 | Agilent Technologies, Inc. | Method and apparatus to coordinate groups of heterogeneous measurements |
KR100475435B1 (ko) * | 2002-09-27 | 2005-03-10 | 삼성전자주식회사 | 교환기 프로세서의 클럭 보정 방법 |
US20040081117A1 (en) * | 2002-10-29 | 2004-04-29 | Malek Charles John | Method for a synchronized hand off from a cellular network to a wireless network and apparatus thereof |
KR20040092259A (ko) * | 2003-04-25 | 2004-11-03 | 삼성전자주식회사 | 기지국 장치를 위한 위성 클럭 동기 시스템 및 이를이용한 기지국 시스템의 위성 클럭 동기화 방법 |
US7447238B2 (en) * | 2005-04-26 | 2008-11-04 | Westerngeco L.L.C. | Method for compensating for internal delays within each node and transmission delays between the nodes |
US7620403B2 (en) * | 2005-07-29 | 2009-11-17 | Motorola, Inc. | Method and apparatus for providing reference frequency aiding among peers operating in a direct communication mode |
US7756548B2 (en) * | 2005-09-19 | 2010-07-13 | Qualcomm Incorporated | Methods and apparatus for use in a wireless communications system that uses a multi-mode base station |
US20070207836A1 (en) * | 2006-03-06 | 2007-09-06 | Gormley Eamonn F | Wireless base station |
FR2903848B1 (fr) * | 2006-07-12 | 2008-12-26 | Sagem Comm | Systeme de telephonie mobile directe. |
JP2008170232A (ja) * | 2007-01-10 | 2008-07-24 | Seiko Epson Corp | 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法 |
JP2008170231A (ja) * | 2007-01-10 | 2008-07-24 | Seiko Epson Corp | 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法 |
JP2008170230A (ja) * | 2007-01-10 | 2008-07-24 | Seiko Epson Corp | 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法 |
JP2008170228A (ja) * | 2007-01-10 | 2008-07-24 | Seiko Epson Corp | 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法 |
JP2008170229A (ja) * | 2007-01-10 | 2008-07-24 | Seiko Epson Corp | 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法 |
US20090097452A1 (en) * | 2007-10-12 | 2009-04-16 | Qualcomm Incorporated | Femto cell synchronization and pilot search methodology |
US8018950B2 (en) | 2008-03-17 | 2011-09-13 | Wi-Lan, Inc. | Systems and methods for distributing GPS clock to communications devices |
EP2299761A1 (fr) | 2008-07-07 | 2011-03-23 | Sumitomo Electric Industries, Ltd. | Dispositif de station de base |
US20100029295A1 (en) * | 2008-07-31 | 2010-02-04 | Assaf Touboul | Gps synchronization method for wireless cellular networks |
US8774084B2 (en) | 2008-08-22 | 2014-07-08 | Qualcomm Incorporated | Base station synchronization |
US8565096B2 (en) | 2009-10-18 | 2013-10-22 | Locus Location Systems, Llc | Method and system for analyzing radio performance during over-the-air operation |
US8600371B2 (en) | 2009-10-18 | 2013-12-03 | Locus Location Systems Llc | Method and system for diagnosing radio performance during functional over-the-air operation |
US8446992B2 (en) * | 2010-01-22 | 2013-05-21 | Harris Corporation | Digital exciter having pilot signal compensation |
EP2434674B1 (fr) * | 2010-09-24 | 2013-10-30 | Siemens Aktiengesellschaft | Procédé de synchronisation temporelle dans un réseau de communication |
CN103168435B (zh) * | 2010-10-12 | 2015-08-19 | 松下电器产业株式会社 | 无线通信系统 |
EP2482596B1 (fr) * | 2011-01-26 | 2013-09-04 | Nxp B.V. | Synchronisation de dispositifs sans fil |
US9293924B2 (en) | 2011-02-15 | 2016-03-22 | Raytheon Company | Electrical phase synchronization |
US20120250664A1 (en) * | 2011-03-28 | 2012-10-04 | Xiaoyun Li | Method to avoid collision in a synchronised wireless network |
JP5926371B2 (ja) * | 2011-04-26 | 2016-05-25 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 基地局同期 |
US8825042B2 (en) | 2011-05-12 | 2014-09-02 | Lows Location Systems, LLC | Network diagnostic system for analyzing the performance of a radio network during functional over-the-air operation |
US10182411B2 (en) | 2014-01-06 | 2019-01-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and access point for implementing timing synchronization in a radio communication network |
GB2525929B (en) | 2014-05-09 | 2016-08-10 | Imagination Tech Ltd | Time stamp replication within a wireless network |
CN104079401B (zh) * | 2014-06-19 | 2017-10-31 | 南京航空航天大学 | 一种基于链状工业以太网络的高精度短周期的实时通信系统 |
CN105897330A (zh) * | 2016-04-01 | 2016-08-24 | 严炜 | 一种用于uwb高精度定位系统的信号同步方法 |
JP2018137619A (ja) * | 2017-02-22 | 2018-08-30 | 大井電気株式会社 | 同期用無線装置 |
JP7109213B2 (ja) * | 2018-03-08 | 2022-07-29 | ソフトバンク株式会社 | 基地局のフレーム同期システム |
JP7109214B2 (ja) * | 2018-03-08 | 2022-07-29 | ソフトバンク株式会社 | 基地局のフレーム同期システム |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4317220A (en) | 1979-02-05 | 1982-02-23 | Andre Martin | Simulcast transmission system |
US4912773A (en) * | 1982-09-21 | 1990-03-27 | General Electric Company | Communications system utilizing a pilot signal and a modulated signal |
US4718109A (en) * | 1986-03-06 | 1988-01-05 | Motorola, Inc. | Automatic synchronization system |
JPH07283772A (ja) * | 1992-10-07 | 1995-10-27 | Nippon Steel Corp | 無線基地局間の同期確立方法及びこれを用いた移動体通信システム |
US5428645A (en) * | 1992-11-03 | 1995-06-27 | International Business Machines Corporation | Anonymous time synchronization method |
AU4072193A (en) | 1993-05-27 | 1994-12-20 | Nokia Telecommunications Oy | Base station for a tdma cellular radio network |
JPH08126051A (ja) * | 1994-10-21 | 1996-05-17 | N T T Ido Tsushinmo Kk | 無線基地局間同期方式 |
FR2744864B1 (fr) | 1996-02-12 | 1998-03-27 | Telecommunications Sa | Dispositif de synchronisation de bornes radio |
US6134234A (en) * | 1996-07-19 | 2000-10-17 | Nokia Telecommunications Oy | Master-slave synchronization |
US6014376A (en) * | 1996-09-18 | 2000-01-11 | Motorola, Inc. | Method for over-the-air synchronization adjustment in a communication system |
JPH10145848A (ja) * | 1996-11-13 | 1998-05-29 | Sanyo Electric Co Ltd | Tdma移動体通信の基地局間フレーム同期方法 |
JP3339786B2 (ja) * | 1996-12-02 | 2002-10-28 | オークマ株式会社 | 環状通信路におけるタイマー同期化装置および初期化方法 |
JPH10190562A (ja) * | 1996-12-26 | 1998-07-21 | Toshiba Corp | 移動通信システムの基地局間フレーム同期方式およびこの方式を適用した基地局装置 |
US5910944A (en) * | 1997-02-28 | 1999-06-08 | Motorola, Inc. | Radio telephone and method for operating a radiotelephone in slotted paging mode |
US6016322A (en) * | 1997-09-22 | 2000-01-18 | Kor Electronics, Inc. | Apparatus and method for self synchronization in a digital data wireless communication system |
US6052363A (en) * | 1997-09-30 | 2000-04-18 | Northern Telecom Limited | Method for causal ordering in a distributed network |
US6373834B1 (en) * | 1997-12-19 | 2002-04-16 | Telefonaktiebolaget Lm Ericsson | Synchronization for cellular telecommunications network |
-
1999
- 1999-07-21 US US09/360,491 patent/US6671291B1/en not_active Expired - Lifetime
-
2000
- 2000-07-19 CA CA002378626A patent/CA2378626A1/fr not_active Abandoned
- 2000-07-19 BR BR0012561-0A patent/BR0012561A/pt not_active IP Right Cessation
- 2000-07-19 EP EP00948783A patent/EP1201050B1/fr not_active Expired - Lifetime
- 2000-07-19 KR KR1020027000874A patent/KR20020020792A/ko not_active Application Discontinuation
- 2000-07-19 AT AT00948783T patent/ATE557482T1/de active
- 2000-07-19 JP JP2001512736A patent/JP2003505977A/ja not_active Withdrawn
- 2000-07-19 MX MXPA02000741A patent/MXPA02000741A/es unknown
- 2000-07-19 AU AU62231/00A patent/AU6223100A/en not_active Abandoned
- 2000-07-19 IL IL14752400A patent/IL147524A0/xx unknown
- 2000-07-19 CN CN00813087A patent/CN1375139A/zh active Pending
- 2000-07-19 WO PCT/US2000/019673 patent/WO2001008344A2/fr active Application Filing
- 2000-09-30 TW TW089114616A patent/TW498668B/zh active
-
2002
- 2002-01-18 NO NO20020292A patent/NO20020292L/no not_active Application Discontinuation
- 2002-12-30 HK HK02109399.6A patent/HK1047829A1/zh unknown
-
2008
- 2008-07-02 JP JP2008173517A patent/JP2009010955A/ja active Pending
-
2011
- 2011-04-05 JP JP2011083938A patent/JP2011188501A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2001008344A3 (fr) | 2001-08-09 |
BR0012561A (pt) | 2002-10-15 |
ATE557482T1 (de) | 2012-05-15 |
US6671291B1 (en) | 2003-12-30 |
JP2009010955A (ja) | 2009-01-15 |
EP1201050A2 (fr) | 2002-05-02 |
CN1375139A (zh) | 2002-10-16 |
WO2001008344A2 (fr) | 2001-02-01 |
EP1201050B1 (fr) | 2012-05-09 |
JP2003505977A (ja) | 2003-02-12 |
JP2011188501A (ja) | 2011-09-22 |
NO20020292D0 (no) | 2002-01-18 |
CA2378626A1 (fr) | 2001-02-01 |
MXPA02000741A (es) | 2002-08-20 |
HK1047829A1 (zh) | 2003-03-07 |
KR20020020792A (ko) | 2002-03-15 |
NO20020292L (no) | 2002-02-18 |
AU6223100A (en) | 2001-02-13 |
TW498668B (en) | 2002-08-11 |
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