SE470037C - Anordning vid mobila telekommunikationssystem för att möjliggöra synkronisering av basstationernas sändare - Google Patents
Anordning vid mobila telekommunikationssystem för att möjliggöra synkronisering av basstationernas sändareInfo
- Publication number
- SE470037C SE470037C SE9203137A SE9203137A SE470037C SE 470037 C SE470037 C SE 470037C SE 9203137 A SE9203137 A SE 9203137A SE 9203137 A SE9203137 A SE 9203137A SE 470037 C SE470037 C SE 470037C
- Authority
- SE
- Sweden
- Prior art keywords
- time
- time information
- base stations
- real
- clock
- Prior art date
Links
- 230000001934 delay Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 230000002123 temporal effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
-
- 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
- H04B7/2693—Centralised synchronisation, i.e. using external universal time reference, e.g. by using a global positioning system [GPS] or by distributing time reference over the wireline network
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Electric Clocks (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Information Transfer Systems (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9203137A SE470037C (sv) | 1992-10-27 | 1992-10-27 | Anordning vid mobila telekommunikationssystem för att möjliggöra synkronisering av basstationernas sändare |
TW082107979A TW279295B (de) | 1992-10-27 | 1993-09-25 | |
DE69331701T DE69331701T2 (de) | 1992-10-27 | 1993-10-18 | Anordnung in einem mobilen telekommunikationssystem zur synchronisation der sender der basisstationen |
CA002145998A CA2145998A1 (en) | 1992-10-27 | 1993-10-18 | Arrangement in mobile telecommunications systems for providing for synchronization of the transmitters of the base stations |
JP51094894A JP3471016B2 (ja) | 1992-10-27 | 1993-10-18 | 複数の基地局の送信機を同期させる移動通信システムにおける配列 |
EP93924247A EP0667069B1 (de) | 1992-10-27 | 1993-10-18 | Anordnung in einem mobilen telekommunikationssystem zur synchronisation der sender der basisstationen |
US08/411,630 US5809426A (en) | 1992-10-27 | 1993-10-18 | Arrangement in mobile telecommunications systems for providing synchronization of transmitters of base stations |
AT93924247T ATE214526T1 (de) | 1992-10-27 | 1993-10-18 | Anordnung in einem mobilen telekommunikationssystem zur synchronisation der sender der basisstationen |
AU53797/94A AU676226B2 (en) | 1992-10-27 | 1993-10-18 | Arrangement in mobile telecommunications systems for providing for synchronization of the transmitters of the base station |
PCT/SE1993/000849 WO1994010768A1 (en) | 1992-10-27 | 1993-10-18 | Arrangement in mobile telecommunications systems for providing for synchronization of the transmitters of the base stations |
KR1019930022281A KR100297010B1 (ko) | 1992-10-27 | 1993-10-26 | 이동통신시스템내기지국송신기의동기화를제공하기위한장치 |
CN93119415A CN1051890C (zh) | 1992-10-27 | 1993-10-26 | 移动电信***中用于提供基地台发射机同步的装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9203137A SE470037C (sv) | 1992-10-27 | 1992-10-27 | Anordning vid mobila telekommunikationssystem för att möjliggöra synkronisering av basstationernas sändare |
Publications (4)
Publication Number | Publication Date |
---|---|
SE9203137D0 SE9203137D0 (sv) | 1992-10-27 |
SE9203137L SE9203137L (sv) | 1993-10-25 |
SE470037B SE470037B (sv) | 1993-10-25 |
SE470037C true SE470037C (sv) | 1995-04-10 |
Family
ID=20387570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9203137A SE470037C (sv) | 1992-10-27 | 1992-10-27 | Anordning vid mobila telekommunikationssystem för att möjliggöra synkronisering av basstationernas sändare |
Country Status (12)
Country | Link |
---|---|
US (1) | US5809426A (de) |
EP (1) | EP0667069B1 (de) |
JP (1) | JP3471016B2 (de) |
KR (1) | KR100297010B1 (de) |
CN (1) | CN1051890C (de) |
AT (1) | ATE214526T1 (de) |
AU (1) | AU676226B2 (de) |
CA (1) | CA2145998A1 (de) |
DE (1) | DE69331701T2 (de) |
SE (1) | SE470037C (de) |
TW (1) | TW279295B (de) |
WO (1) | WO1994010768A1 (de) |
Families Citing this family (52)
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DE4434552A1 (de) * | 1994-09-28 | 1996-04-04 | Philips Patentverwaltung | Synchronisation von zentralen Funkeinrichtungen |
US5727034A (en) * | 1995-07-26 | 1998-03-10 | Nokia Telecommunications Oy | Apparatus and method for synchronizing base sites individually in a communication system |
FR2739244B1 (fr) * | 1995-09-26 | 1997-11-14 | Alcatel Mobile Comm France | Station de base pour systeme cellulaire de radiocommunications mobiles et systeme de synchronisation de telles stations de base |
FR2752120B1 (fr) * | 1996-08-01 | 1999-01-29 | Sagem | Systeme de communication a canal unique et emetteur pour un tel systeme |
GB2320650B (en) * | 1996-12-23 | 2001-09-26 | Ericsson Telefon Ab L M | Telecommunications systems |
FR2760920B1 (fr) * | 1997-03-12 | 2000-08-04 | Sagem | Procede de transmission de donnees entre des moyens de traitement de donnees et un reseau de radiocommunication et module et terminal mobile pour la mise en oeuvre du procede |
US6332086B2 (en) * | 1997-04-07 | 2001-12-18 | Graham Avis | Discontinuous receive operation in a wireless terminal |
US6122264A (en) * | 1997-09-29 | 2000-09-19 | Lucent Technologies, Inc. | Method for managing the transmission of competing information packets |
JPH11146444A (ja) | 1997-11-11 | 1999-05-28 | Nec Corp | 移動通信基地局網の同期確立システム |
KR100501138B1 (ko) * | 1998-02-20 | 2005-09-26 | 유티스타콤코리아 유한회사 | 이동통신 시스템용 이중화 시간/주파수 생성 카드의 기준 시간동기 장치 |
JP3440984B2 (ja) * | 1998-03-18 | 2003-08-25 | ソニー株式会社 | 情報処理装置および方法、並びに記録媒体 |
JP4267092B2 (ja) * | 1998-07-07 | 2009-05-27 | 富士通株式会社 | 時刻同期方法 |
US6571111B1 (en) * | 1998-08-05 | 2003-05-27 | Compaq Computer Corporation | Method and apparatus for reducing battery power consumption of transceivers in a communications network using an external generated timing signal |
JP3260713B2 (ja) * | 1998-12-21 | 2002-02-25 | 日本電気株式会社 | 無線基地局のプログラムダウンロード方式 |
JP2000333248A (ja) * | 1999-05-14 | 2000-11-30 | Mitsubishi Materials Corp | 無線サーバ、基地無線機及び移動無線機 |
US7194688B2 (en) | 1999-09-16 | 2007-03-20 | Sharp Laboratories Of America, Inc. | Audiovisual information management system with seasons |
US7068746B1 (en) | 2000-03-01 | 2006-06-27 | Lucent Technologies Inc. | Base station transceiver to radio network controller synchronization filtering function |
BRPI0110066B1 (pt) * | 2000-04-07 | 2015-06-23 | Interdigital Tech Corp | Sincronização de estações base para sistemas de comunicações sem fio |
US8028314B1 (en) | 2000-05-26 | 2011-09-27 | Sharp Laboratories Of America, Inc. | Audiovisual information management system |
US7158505B2 (en) * | 2000-08-04 | 2007-01-02 | Interdigital Technology Corporation | Periodic cell search |
US8020183B2 (en) * | 2000-09-14 | 2011-09-13 | Sharp Laboratories Of America, Inc. | Audiovisual management system |
US6826244B2 (en) * | 2001-02-27 | 2004-11-30 | Interdigital Technology Corporation | Initial cell search algorithm for 3G FDD wireless communication systems |
US7904814B2 (en) | 2001-04-19 | 2011-03-08 | Sharp Laboratories Of America, Inc. | System for presenting audio-video content |
US10425135B2 (en) * | 2001-04-26 | 2019-09-24 | Genghiscomm Holdings, LLC | Coordinated multipoint systems |
US10931338B2 (en) | 2001-04-26 | 2021-02-23 | Genghiscomm Holdings, LLC | Coordinated multipoint systems |
CN102685836B (zh) | 2001-08-14 | 2015-07-08 | 高通股份有限公司 | 用于无线网络连通性的方法和设备 |
US7474698B2 (en) | 2001-10-19 | 2009-01-06 | Sharp Laboratories Of America, Inc. | Identification of replay segments |
US7813311B2 (en) * | 2002-02-05 | 2010-10-12 | Interdigital Technology Corporation | Method and apparatus for synchronizing base stations |
US8214741B2 (en) | 2002-03-19 | 2012-07-03 | Sharp Laboratories Of America, Inc. | Synchronization of video and data |
US10644916B1 (en) | 2002-05-14 | 2020-05-05 | Genghiscomm Holdings, LLC | Spreading and precoding in OFDM |
US7657907B2 (en) | 2002-09-30 | 2010-02-02 | Sharp Laboratories Of America, Inc. | Automatic user profiling |
TWI413392B (zh) * | 2002-10-29 | 2013-10-21 | Interdigital Tech Corp | 無線通信系統之基地台同步 |
US7006945B2 (en) | 2003-01-10 | 2006-02-28 | Sharp Laboratories Of America, Inc. | Processing of video content |
US7139225B2 (en) * | 2003-03-27 | 2006-11-21 | Qualcomm, Incorporated | Virtual real-time clock based on time information from multiple communication systems |
US20040202119A1 (en) * | 2003-04-10 | 2004-10-14 | Edge Stephen William | Base station synchronization in a wireless network |
US8949899B2 (en) | 2005-03-04 | 2015-02-03 | Sharp Laboratories Of America, Inc. | Collaborative recommendation system |
US7594245B2 (en) | 2004-03-04 | 2009-09-22 | Sharp Laboratories Of America, Inc. | Networked video devices |
US8356317B2 (en) | 2004-03-04 | 2013-01-15 | Sharp Laboratories Of America, Inc. | Presence based technology |
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 |
US11431386B1 (en) | 2004-08-02 | 2022-08-30 | Genghiscomm Holdings, LLC | Transmit pre-coding |
US11184037B1 (en) | 2004-08-02 | 2021-11-23 | Genghiscomm Holdings, LLC | Demodulating and decoding carrier interferometry signals |
US7330122B2 (en) | 2005-08-10 | 2008-02-12 | Remotemdx, Inc. | Remote tracking and communication device |
US8689253B2 (en) | 2006-03-03 | 2014-04-01 | Sharp Laboratories Of America, Inc. | Method and system for configuring media-playing sets |
US7737841B2 (en) | 2006-07-14 | 2010-06-15 | Remotemdx | Alarm and alarm management system for remote tracking devices |
US8797210B2 (en) | 2006-07-14 | 2014-08-05 | Securealert, Inc. | Remote tracking device and a system and method for two-way voice communication between the device and a monitoring center |
US7936262B2 (en) | 2006-07-14 | 2011-05-03 | Securealert, Inc. | Remote tracking system with a dedicated monitoring center |
KR100923574B1 (ko) * | 2007-08-07 | 2009-10-27 | 한국전자통신연구원 | 디지털 멀티미디어 방송 송출 시스템 및 방법 |
US8232876B2 (en) | 2008-03-07 | 2012-07-31 | Securealert, Inc. | System and method for monitoring individuals using a beacon and intelligent remote tracking device |
US8514070B2 (en) | 2010-04-07 | 2013-08-20 | Securealert, Inc. | Tracking device incorporating enhanced security mounting strap |
US10637705B1 (en) | 2017-05-25 | 2020-04-28 | Genghiscomm Holdings, LLC | Peak-to-average-power reduction for OFDM multiple access |
US10243773B1 (en) | 2017-06-30 | 2019-03-26 | Genghiscomm Holdings, LLC | Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM |
WO2020242898A1 (en) | 2019-05-26 | 2020-12-03 | Genghiscomm Holdings, LLC | Non-orthogonal multiple access |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US496052A (en) * | 1893-04-25 | friedel | ||
US4696052A (en) * | 1985-12-31 | 1987-09-22 | Motorola Inc. | Simulcast transmitter apparatus having automatic synchronization capability |
US4742514A (en) * | 1986-03-25 | 1988-05-03 | Motorola, Inc. | Method and apparatus for controlling a TDM communication device |
US4850032A (en) * | 1987-11-18 | 1989-07-18 | Motorola, Inc. | Simulcast data communications system |
WO1992013417A1 (en) * | 1991-01-28 | 1992-08-06 | Motorola, Inc. | Simulcast transmission system having predetermined launch times |
FI920976A0 (fi) * | 1992-03-05 | 1992-03-05 | Tecnomen Oy | Radiosynkroniseringsfoerfarande foer stoedstationer i ett simulcastingnaet. |
-
1992
- 1992-10-27 SE SE9203137A patent/SE470037C/sv not_active IP Right Cessation
-
1993
- 1993-09-25 TW TW082107979A patent/TW279295B/zh active
- 1993-10-18 EP EP93924247A patent/EP0667069B1/de not_active Expired - Lifetime
- 1993-10-18 US US08/411,630 patent/US5809426A/en not_active Expired - Lifetime
- 1993-10-18 DE DE69331701T patent/DE69331701T2/de not_active Expired - Lifetime
- 1993-10-18 CA CA002145998A patent/CA2145998A1/en not_active Abandoned
- 1993-10-18 AU AU53797/94A patent/AU676226B2/en not_active Ceased
- 1993-10-18 AT AT93924247T patent/ATE214526T1/de not_active IP Right Cessation
- 1993-10-18 WO PCT/SE1993/000849 patent/WO1994010768A1/en active IP Right Grant
- 1993-10-18 JP JP51094894A patent/JP3471016B2/ja not_active Expired - Lifetime
- 1993-10-26 CN CN93119415A patent/CN1051890C/zh not_active Expired - Lifetime
- 1993-10-26 KR KR1019930022281A patent/KR100297010B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1994010768A1 (en) | 1994-05-11 |
KR100297010B1 (ko) | 2001-10-24 |
EP0667069A1 (de) | 1995-08-16 |
DE69331701T2 (de) | 2002-10-02 |
CN1051890C (zh) | 2000-04-26 |
SE9203137D0 (sv) | 1992-10-27 |
JPH08502866A (ja) | 1996-03-26 |
AU676226B2 (en) | 1997-03-06 |
SE9203137L (sv) | 1993-10-25 |
CA2145998A1 (en) | 1994-05-11 |
EP0667069B1 (de) | 2002-03-13 |
KR940010557A (ko) | 1994-05-26 |
CN1101188A (zh) | 1995-04-05 |
SE470037B (sv) | 1993-10-25 |
ATE214526T1 (de) | 2002-03-15 |
AU5379794A (en) | 1994-05-24 |
TW279295B (de) | 1996-06-21 |
JP3471016B2 (ja) | 2003-11-25 |
US5809426A (en) | 1998-09-15 |
DE69331701D1 (de) | 2002-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |