FI980134A - Synkronisering i ett cellulärt radiosystem - Google Patents
Synkronisering i ett cellulärt radiosystem Download PDFInfo
- Publication number
- FI980134A FI980134A FI980134A FI980134A FI980134A FI 980134 A FI980134 A FI 980134A FI 980134 A FI980134 A FI 980134A FI 980134 A FI980134 A FI 980134A FI 980134 A FI980134 A FI 980134A
- Authority
- FI
- Finland
- Prior art keywords
- synchronization
- radio system
- cellular radio
- cellular
- radio
- Prior art date
Links
Classifications
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980134A FI106283B (sv) | 1998-01-21 | 1998-01-21 | Synkronisering i ett cellulärt radiosystem |
EP98660146A EP0936758A3 (en) | 1998-01-21 | 1998-12-18 | Time difference determination method in a cellular radio system |
US09/231,067 US6667963B1 (en) | 1998-01-21 | 1999-01-14 | Cellular radio synchronization |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980134A FI106283B (sv) | 1998-01-21 | 1998-01-21 | Synkronisering i ett cellulärt radiosystem |
FI980134 | 1998-01-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI980134A0 FI980134A0 (fi) | 1998-01-21 |
FI980134A true FI980134A (sv) | 1999-07-22 |
FI106283B FI106283B (sv) | 2000-12-29 |
Family
ID=8550491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI980134A FI106283B (sv) | 1998-01-21 | 1998-01-21 | Synkronisering i ett cellulärt radiosystem |
Country Status (3)
Country | Link |
---|---|
US (1) | US6667963B1 (sv) |
EP (1) | EP0936758A3 (sv) |
FI (1) | FI106283B (sv) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1091611B1 (en) * | 1999-10-06 | 2007-08-29 | Matsushita Electric Industrial Co., Ltd. | Location system for a cellular telecommunications network |
EP1159845A1 (en) * | 1999-12-30 | 2001-12-05 | Telefonaktiebolaget LM Ericsson (publ) | Method for detecting and compensating for radio link timing errors |
US8489669B2 (en) | 2000-06-07 | 2013-07-16 | Apple Inc. | Mobile data processing system moving interest radius |
US8060389B2 (en) | 2000-06-07 | 2011-11-15 | Apple Inc. | System and method for anonymous location based services |
US6456234B1 (en) | 2000-06-07 | 2002-09-24 | William J. Johnson | System and method for proactive content delivery by situation location |
US20020016173A1 (en) * | 2000-06-21 | 2002-02-07 | Hunzinger Jason F. | Communication of location information in a wireless communication system |
US20020034384A1 (en) * | 2000-09-18 | 2002-03-21 | Mikhail Peter G. | Location sensing camera |
US6665540B2 (en) | 2001-02-02 | 2003-12-16 | Nokia Mobile Phones, Ltd. | Method and system for locating a mobile terminal in a cellular radio network |
FR2832897B1 (fr) * | 2001-11-23 | 2004-02-27 | Evolium Sas | Procede pour le changement de cellule dans un systeme cellulaire de radiocommunications mobiles en mode paquet |
US7474994B2 (en) * | 2001-12-14 | 2009-01-06 | Qualcomm Incorporated | System and method for wireless signal time of arrival |
US7277420B2 (en) * | 2002-02-12 | 2007-10-02 | Broadcom Corporation | Temporal alignment of codec data with wireless local area network RF slots |
US6993318B2 (en) * | 2002-08-05 | 2006-01-31 | Technocom Corporation | System and method for network assisted calibration in a wireless network |
US20040038688A1 (en) * | 2002-08-26 | 2004-02-26 | Zabawshyj Bohdan Konstantyn | Method and system for presence determination of mobile devices |
US7515919B2 (en) * | 2002-09-10 | 2009-04-07 | Redknee Inc. | Method and system for presence determination of mobile devices |
GB2398963B (en) * | 2003-02-27 | 2007-02-28 | Roke Manor Research | Improved handset location accuracy |
US20050169389A1 (en) * | 2004-02-04 | 2005-08-04 | Fischer Gerald R. | Increased user capacity ultra wideband (UWB) signal formatting scheme |
KR100827105B1 (ko) * | 2004-02-13 | 2008-05-02 | 삼성전자주식회사 | 광대역 무선 통신 시스템에서 고속 레인징을 통한 빠른핸드오버 수행 방법 및 장치 |
CN101390309A (zh) * | 2004-09-07 | 2009-03-18 | 探索无线公司 | 无线移动单元定位*** |
US8359044B2 (en) | 2005-03-18 | 2013-01-22 | Wavemarket, Inc. | Enhanced mobile location method and system |
WO2006096923A1 (en) | 2005-03-18 | 2006-09-21 | Seeker Wireless Pty Limited | Enhanced mobile location |
US7353034B2 (en) | 2005-04-04 | 2008-04-01 | X One, Inc. | Location sharing and tracking using mobile phones or other wireless devices |
WO2006105618A1 (en) | 2005-04-08 | 2006-10-12 | Seeker Wireless Pty Limited | Enhanced terrestrial mobile location |
CA2626806A1 (en) | 2005-10-24 | 2007-05-03 | Seeker Wireless Pty Limited | Mobile service maintenance management |
US7701923B2 (en) * | 2006-07-10 | 2010-04-20 | Motorola, Inc. | Method and apparatus for frame synchronization in a communication network |
JP5309133B2 (ja) * | 2007-04-30 | 2013-10-09 | 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) | Ofdmシステムにおける同期時間差測定 |
US8332402B2 (en) | 2007-06-28 | 2012-12-11 | Apple Inc. | Location based media items |
US8311526B2 (en) | 2007-06-28 | 2012-11-13 | Apple Inc. | Location-based categorical information services |
US8385946B2 (en) | 2007-06-28 | 2013-02-26 | Apple Inc. | Disfavored route progressions or locations |
US8108144B2 (en) | 2007-06-28 | 2012-01-31 | Apple Inc. | Location based tracking |
US8175802B2 (en) | 2007-06-28 | 2012-05-08 | Apple Inc. | Adaptive route guidance based on preferences |
US8762056B2 (en) | 2007-06-28 | 2014-06-24 | Apple Inc. | Route reference |
US9066199B2 (en) | 2007-06-28 | 2015-06-23 | Apple Inc. | Location-aware mobile device |
US8180379B2 (en) | 2007-06-28 | 2012-05-15 | Apple Inc. | Synchronizing mobile and vehicle devices |
US8290513B2 (en) | 2007-06-28 | 2012-10-16 | Apple Inc. | Location-based services |
US8275352B2 (en) | 2007-06-28 | 2012-09-25 | Apple Inc. | Location-based emergency information |
US8204684B2 (en) | 2007-06-28 | 2012-06-19 | Apple Inc. | Adaptive mobile device navigation |
US8774825B2 (en) | 2007-06-28 | 2014-07-08 | Apple Inc. | Integration of map services with user applications in a mobile device |
US9109904B2 (en) | 2007-06-28 | 2015-08-18 | Apple Inc. | Integration of map services and user applications in a mobile device |
WO2009036497A1 (en) | 2007-09-17 | 2009-03-26 | Seeker Wireless Pty Limited | Systems and methods for triggering location based voice and/or data communications to or from mobile radio terminals |
EP2215869B1 (en) | 2007-11-26 | 2012-06-06 | WaveMarket, Inc. (d/b/a Location Labs) | Method and system for updating a zone profile |
US8355862B2 (en) | 2008-01-06 | 2013-01-15 | Apple Inc. | Graphical user interface for presenting location information |
US20090219916A1 (en) * | 2008-02-29 | 2009-09-03 | Motorola, Inc. | Method to scan for critical transmissions while transmitting on a conventional time division multiple access channel |
EP2266329A4 (en) | 2008-04-07 | 2012-03-28 | Wavemarket Inc D B A Location Labs | EFFICIENT CHARACTERIZATION WIRELESS TRANSMITTER |
US9250092B2 (en) | 2008-05-12 | 2016-02-02 | Apple Inc. | Map service with network-based query for search |
US8644843B2 (en) | 2008-05-16 | 2014-02-04 | Apple Inc. | Location determination |
US8369867B2 (en) | 2008-06-30 | 2013-02-05 | Apple Inc. | Location sharing |
US8359643B2 (en) | 2008-09-18 | 2013-01-22 | Apple Inc. | Group formation using anonymous broadcast information |
US8260320B2 (en) | 2008-11-13 | 2012-09-04 | Apple Inc. | Location specific content |
US8666367B2 (en) | 2009-05-01 | 2014-03-04 | Apple Inc. | Remotely locating and commanding a mobile device |
US8660530B2 (en) | 2009-05-01 | 2014-02-25 | Apple Inc. | Remotely receiving and communicating commands to a mobile device for execution by the mobile device |
US8670748B2 (en) | 2009-05-01 | 2014-03-11 | Apple Inc. | Remotely locating and commanding a mobile device |
JP5195655B2 (ja) * | 2009-06-11 | 2013-05-08 | 富士通株式会社 | 移動端末、通信システムおよび通信方法 |
US8244236B2 (en) | 2010-04-29 | 2012-08-14 | Wavemarket, Inc. | System and method for aggregating and disseminating mobile device tag data |
US8504077B2 (en) | 2010-12-04 | 2013-08-06 | Wavemarket, Inc. | System and method for monitoring and disseminating mobile device location information |
GB2486880B (en) * | 2010-12-22 | 2015-01-07 | Toumaz Uk Ltd | A TDMA-based communication method and system |
US9572123B2 (en) * | 2012-03-14 | 2017-02-14 | Fujitsu Limited | Multiple time advance for radio access networks |
US10897686B2 (en) * | 2016-03-24 | 2021-01-19 | Qualcomm Incorporated | Determining a time calibration value for a user equipment |
US11156705B2 (en) | 2020-03-10 | 2021-10-26 | Raytheon Company | System and method for mitigating platform motion in a communications system |
US11196497B2 (en) | 2020-03-11 | 2021-12-07 | Raytheon Company | System and method for mitigating platform motion in a communications system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5355515A (en) * | 1991-06-12 | 1994-10-11 | Telefonaktiebolaget L M Ericsson | Method and apparatus for estimating initial time alignment in a cellular communications network |
US5600706A (en) | 1992-04-08 | 1997-02-04 | U S West, Inc. | Method and system for determining the position of a mobile receiver |
SE9300681D0 (sv) * | 1993-03-01 | 1993-03-01 | Ericsson Telefon Ab L M | A method and an apparatusfor handing off a mobile station from a first to a second channel in a mobile communication system |
FI101445B (sv) * | 1995-10-03 | 1998-06-15 | Nokia Mobile Phones Ltd | Lokaliseringssystem av en mobil station |
FI101668B (sv) | 1995-11-13 | 1998-07-31 | Nokia Mobile Phones Ltd | Förfarande för styrning av en tilläggsanordning för en abonnenttermina l i ett cellulärt nät samt en tilläggsanorning för en abonnentterminal |
JP2845228B2 (ja) | 1996-12-10 | 1999-01-13 | 日本電気株式会社 | 隣接セル同期検出方式 |
US6167275A (en) * | 1997-12-17 | 2000-12-26 | Motorola, Inc. | Method and apparatus for determining a location of a communication unit in a wireless communication system |
-
1998
- 1998-01-21 FI FI980134A patent/FI106283B/sv active
- 1998-12-18 EP EP98660146A patent/EP0936758A3/en not_active Withdrawn
-
1999
- 1999-01-14 US US09/231,067 patent/US6667963B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6667963B1 (en) | 2003-12-23 |
EP0936758A3 (en) | 1999-12-15 |
EP0936758A2 (en) | 1999-08-18 |
FI980134A0 (fi) | 1998-01-21 |
FI106283B (sv) | 2000-12-29 |
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