DK168930B1 - Fremgangsmåde og apparat til synkronisering og overføring af information i et radiokommunikationsnet - Google Patents
Fremgangsmåde og apparat til synkronisering og overføring af information i et radiokommunikationsnet Download PDFInfo
- Publication number
- DK168930B1 DK168930B1 DK180988A DK180988A DK168930B1 DK 168930 B1 DK168930 B1 DK 168930B1 DK 180988 A DK180988 A DK 180988A DK 180988 A DK180988 A DK 180988A DK 168930 B1 DK168930 B1 DK 168930B1
- Authority
- DK
- Denmark
- Prior art keywords
- time
- channels
- base station
- base stations
- distributed
- 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
- H04B7/2696—Over the air autonomous synchronisation, e.g. by monitoring network activity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8701414 | 1987-04-03 | ||
SE8701414A SE457184B (sv) | 1987-04-03 | 1987-04-03 | Foerfarande och utrustning foer synkronisering och oeverfoering av information i ett radiokommunikationsnaet |
Publications (3)
Publication Number | Publication Date |
---|---|
DK180988D0 DK180988D0 (da) | 1988-03-30 |
DK180988A DK180988A (da) | 1988-10-04 |
DK168930B1 true DK168930B1 (da) | 1994-07-11 |
Family
ID=20368101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK180988A DK168930B1 (da) | 1987-04-03 | 1988-03-30 | Fremgangsmåde og apparat til synkronisering og overføring af information i et radiokommunikationsnet |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0286614B1 (sv) |
DE (1) | DE3866923D1 (sv) |
DK (1) | DK168930B1 (sv) |
FI (1) | FI82576C (sv) |
SE (1) | SE457184B (sv) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3582174D1 (de) * | 1984-12-05 | 1991-04-18 | Ate Corp | Personenrufsystem und kommunikationsprotokoll. |
FR2646302B1 (fr) * | 1989-04-25 | 1993-01-15 | Matra Communication | Procede de pseudo-synchronisation d'un reseau de communication a multiplexage dans le temps et applications |
GB2235352A (en) * | 1989-08-18 | 1991-02-27 | Byps Communications Ltd | Synchronising primary stations in cordless telephone system |
US5040175A (en) * | 1990-04-11 | 1991-08-13 | Ncr Corporation | Wireless information transmission system |
US5199031A (en) * | 1990-08-31 | 1993-03-30 | Telefonaktiebolaget L M Ericsson | Method and system for uniquely identifying control channel time slots |
FI920976A0 (fi) * | 1992-03-05 | 1992-03-05 | Tecnomen Oy | Radiosynkroniseringsfoerfarande foer stoedstationer i ett simulcastingnaet. |
US5285443A (en) * | 1992-08-25 | 1994-02-08 | Motorola, Inc. | Method and apparatus for synchronizing a time division duplexing communication system |
AU4072193A (en) * | 1993-05-27 | 1994-12-20 | Nokia Telecommunications Oy | Base station for a tdma cellular radio network |
US5553074A (en) * | 1994-03-04 | 1996-09-03 | Trustees Of Columbia University In The City Of New York | Transmission format in packet based communications |
FI941289A (sv) * | 1994-03-18 | 1995-09-19 | Nokia Telecommunications Oy | Förfarande för att förverkliga frekvenshoppning och en basstationsanordning |
JPH07284141A (ja) * | 1994-04-08 | 1995-10-27 | Oki Electric Ind Co Ltd | ハンドオーバ方法 |
SE507245C2 (sv) * | 1995-06-03 | 1998-04-27 | Ericsson Telefon Ab L M | Förfarande och anordning i ett telekommunikationssystem |
GB2320651B (en) * | 1996-12-23 | 2001-09-26 | Ericsson Telefon Ab L M | Telecommunications systems |
EP0851608A1 (en) | 1996-12-31 | 1998-07-01 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Transmission time delay measurement at transmission paths in a radio telecommunication system |
US6560461B1 (en) | 1997-08-04 | 2003-05-06 | Mundi Fomukong | Authorized location reporting paging system |
IT1302268B1 (it) * | 1998-09-25 | 2000-09-05 | Italtel Spa | Metodo e sistema per diagnosticare lo stato di funzionamento dellestazioni radio base in un sistema di telecomunicazione digitale. |
US6590881B1 (en) * | 1998-12-04 | 2003-07-08 | Qualcomm, Incorporated | Method and apparatus for providing wireless communication system synchronization |
ITMI990796A1 (it) * | 1999-04-16 | 2000-10-16 | Italtel Spa | Metodo e sistema per sincronizzare le stazioni radio base nelle reti di telecomunicazione digitale |
GB9919973D0 (en) * | 1999-08-24 | 1999-10-27 | Roke Manor Research | Improvements in or relating to mobile telecommunications systems |
GB2386801B (en) | 1999-08-24 | 2004-03-24 | Roke Manor Research | A method of locating a mobile station within a telecommunications cell forming part of a telecommunications system |
GB2402022B (en) * | 2000-07-14 | 2005-03-30 | Ip Access Ltd | Cellular radio telecommunication systems |
US6847630B2 (en) * | 2001-11-09 | 2005-01-25 | Qualcomm, Incorporated | Communications in an asynchronous cellular wireless network |
JP4158703B2 (ja) | 2002-03-04 | 2008-10-01 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
FI20085423A0 (sv) * | 2008-05-08 | 2008-05-08 | Nokia Siemens Networks Oy | Synkronisering i ett mobilkommunikationssystem |
US20100278198A1 (en) * | 2009-04-30 | 2010-11-04 | Nokia Corporation | Method and apparatus for providing quantization of synchronization signals |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2659635B2 (de) * | 1976-12-30 | 1979-06-13 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur digitalen Informationsübertragung fiber Funk |
DE3011935C2 (de) * | 1980-03-27 | 1982-06-16 | Siemens AG, 1000 Berlin und 8000 München | Mobiles Funknetz mit netzweiter Synchronisation |
-
1987
- 1987-04-03 SE SE8701414A patent/SE457184B/sv not_active IP Right Cessation
-
1988
- 1988-03-23 FI FI881393A patent/FI82576C/sv not_active IP Right Cessation
- 1988-03-30 DK DK180988A patent/DK168930B1/da not_active IP Right Cessation
- 1988-03-30 EP EP19880850108 patent/EP0286614B1/en not_active Expired
- 1988-03-30 DE DE8888850108T patent/DE3866923D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE8701414D0 (sv) | 1987-04-03 |
FI82576C (sv) | 1991-03-11 |
DK180988A (da) | 1988-10-04 |
FI881393A0 (fi) | 1988-03-23 |
FI881393A (fi) | 1988-10-04 |
DE3866923D1 (de) | 1992-01-30 |
SE457184B (sv) | 1988-12-05 |
EP0286614A1 (en) | 1988-10-12 |
FI82576B (fi) | 1990-11-30 |
SE8701414L (sv) | 1988-10-04 |
EP0286614B1 (en) | 1991-12-18 |
DK180988D0 (da) | 1988-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |