JPH08502866A - 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 - Google Patents
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Info
- Publication number
- JPH08502866A JPH08502866A JP6510948A JP51094894A JPH08502866A JP H08502866 A JPH08502866 A JP H08502866A JP 6510948 A JP6510948 A JP 6510948A JP 51094894 A JP51094894 A JP 51094894A JP H08502866 A JPH08502866 A JP H08502866A
- Authority
- JP
- Japan
- Prior art keywords
- time
- time information
- base stations
- clock
- common
- Prior art date
- 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.)
- Granted
Links
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)
- Information Transfer Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.複数の送信機により動作する多数の基地局、および前記複数の基地局を調 整する装置を含み、前記複数の基地局の多数の送信機の時間調整を得る移動通信 システムにおける配列において、前記複数の基地局は、これに割り付けられたリ アル・タイム・クロックによりそれぞれ動作するように配列された複数の送信要 素と、複数の時間比較要素とを備えること、前記調整する装置は前記複数の基地 局に第1の共通時間情報を送信するように配列されること、前記複数の基地局は 前記第1の共通時間情報を受信し、かつ前記第1の共通時間情報を前記送信要素 におけるリアル・タイム・クロックにより設定された第2の時間情報と共に前記 時間比較要素へ供給する複数の要素が配列されること、前記時間比較要素は前記 第2の時間情報に関連して前記第1の共通時間情報を配置すること、及び前記時 間比較要素は、存在する基準、例えば遅延等、及び前記第1の共通時間情報と前 記第2の時間情報との間の関係に従って、同期を実行するように前記リアル・タ イム・クロックの影響又は調整を行なうことを特徴とする前記配列。 2.前記リアル・タイム・クロックを割り付ける前記内部リアル・タイムは、 UTC時間を参照する又はこれからなることを特徴とする請求項1記載の配列。 3.前記調整装置から送信される前記第1の共通時間情報は、GPS信号であ ることを特徴とする請求項1又は2に記載の配列。 4.局S自体で発生する時間遅延は、実際時間より先に時間単位Tに設定又は 調整されている前記内部リアル・タイム・クロックにより補償されることを特徴 とする前記請求項のうちのいずれか一つに記載の配列。 5.前記同期は前記送信機の回線網における全ての基地局を捕捉することを特 徴とする前記請求項のうちのいずれか一つに記載の配列。 6.前記比較要素は、前記第1の共通時間情報、前記内部リアル・タイム・ク ロック及び既存の基準を受信する前記要素と共にクローズド・フェース・ロッキ ング・システムを形成することを特徴とする前記請求項のうちのいずれか一つに 記載の配列。 7.前記送信要素は、送出する送信データが前記送信機へクロック出力される のを待機するバッファによって動作するように配列されること、及び前記送信要 素は同期送信に必要とする信号を発生するパルス発生装置を含むことを特徴とす る前記請求項のうちのいずれか一つに記載の配列。 8.前記共通時間情報(GPS信号)を受信する前記要素は、前記比較要素に とって解釈可能なフォーマットになった又は前記内部リアル・タイム・クロック が動作していると同一のフォーマットになった前記時間情報を処理することを特 徴とする前記請求項のうちのいずれか一つに記載の配列。 9.前記通信要素は、一方で、送信データを前記送信機へ転送するために、か つ他方で、時間情報を前記通信要素へ転送するために設定されることを特徴とす る前記請求項のうちのいずれか一つに記載の配列。 10.前記通信システムはディジタル回線網、好ましくは、ページング・シス テムであることを特徴とする前記請求項のうちのいずれか一つに記載の配列。
Applications Claiming Priority (3)
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 |
SE9203137-6 | 1992-10-27 | ||
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08502866A true JPH08502866A (ja) | 1996-03-26 |
JP3471016B2 JP3471016B2 (ja) | 2003-11-25 |
Family
ID=20387570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51094894A Expired - Lifetime 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 |
Country Status (12)
Country | Link |
---|---|
US (1) | US5809426A (ja) |
EP (1) | EP0667069B1 (ja) |
JP (1) | JP3471016B2 (ja) |
KR (1) | KR100297010B1 (ja) |
CN (1) | CN1051890C (ja) |
AT (1) | ATE214526T1 (ja) |
AU (1) | AU676226B2 (ja) |
CA (1) | CA2145998A1 (ja) |
DE (1) | DE69331701T2 (ja) |
SE (1) | SE470037C (ja) |
TW (1) | TW279295B (ja) |
WO (1) | WO1994010768A1 (ja) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7509580B2 (en) | 1999-09-16 | 2009-03-24 | Sharp Laboratories Of America, Inc. | Audiovisual information management system with preferences descriptions |
US7068746B1 (en) | 2000-03-01 | 2006-06-27 | Lucent Technologies Inc. | Base station transceiver to radio network controller synchronization filtering function |
CA2691637A1 (en) * | 2000-04-07 | 2001-10-25 | Interdigital Technology Corporation | Base station synchronization for wireless communication systems |
US8028314B1 (en) | 2000-05-26 | 2011-09-27 | Sharp Laboratories Of America, Inc. | Audiovisual information management system |
ATE279819T1 (de) * | 2000-08-04 | 2004-10-15 | Interdigital Tech Corp | Verfahren und gerät zur zellsuche in einem tdma- cdma kommunikationssystem |
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 |
KR100945969B1 (ko) | 2001-08-14 | 2010-03-09 | 콸콤 인코포레이티드 | 무선 네트워크 접속성을 위한 방법 및 장치 |
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 |
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 |
US8949899B2 (en) | 2005-03-04 | 2015-02-03 | Sharp Laboratories Of America, Inc. | Collaborative recommendation system |
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 |
US11184037B1 (en) | 2004-08-02 | 2021-11-23 | Genghiscomm Holdings, LLC | Demodulating and decoding carrier interferometry signals |
US11381285B1 (en) | 2004-08-02 | 2022-07-05 | Genghiscomm Holdings, LLC | Transmit pre-coding |
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 |
MX2010009680A (es) | 2008-03-07 | 2011-02-23 | Securealert Inc | Un sistema y metodo para monitorear individuos utilizando una baliza y un dispositivo de seguimiento remoto inteligente. |
US8514070B2 (en) | 2010-04-07 | 2013-08-20 | Securealert, Inc. | Tracking device incorporating enhanced security mounting strap |
US10243773B1 (en) | 2017-06-30 | 2019-03-26 | Genghiscomm Holdings, LLC | Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM |
US10637705B1 (en) | 2017-05-25 | 2020-04-28 | Genghiscomm Holdings, LLC | Peak-to-average-power reduction for OFDM multiple access |
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 |
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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 |
AU1342892A (en) * | 1991-01-28 | 1992-08-27 | 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 DE DE69331701T patent/DE69331701T2/de not_active Expired - Lifetime
- 1993-10-18 US US08/411,630 patent/US5809426A/en not_active Expired - Lifetime
- 1993-10-18 EP EP93924247A patent/EP0667069B1/en not_active Expired - Lifetime
- 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
- 1993-10-18 CA CA002145998A patent/CA2145998A1/en not_active Abandoned
- 1993-10-18 AU AU53797/94A patent/AU676226B2/en not_active Ceased
- 1993-10-26 KR KR1019930022281A patent/KR100297010B1/ko not_active IP Right Cessation
- 1993-10-26 CN CN93119415A patent/CN1051890C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5809426A (en) | 1998-09-15 |
SE470037C (sv) | 1995-03-23 |
EP0667069A1 (en) | 1995-08-16 |
TW279295B (ja) | 1996-06-21 |
DE69331701T2 (de) | 2002-10-02 |
WO1994010768A1 (en) | 1994-05-11 |
ATE214526T1 (de) | 2002-03-15 |
SE9203137D0 (sv) | 1992-10-27 |
DE69331701D1 (de) | 2002-04-18 |
CA2145998A1 (en) | 1994-05-11 |
JP3471016B2 (ja) | 2003-11-25 |
EP0667069B1 (en) | 2002-03-13 |
AU676226B2 (en) | 1997-03-06 |
CN1101188A (zh) | 1995-04-05 |
KR940010557A (ko) | 1994-05-26 |
KR100297010B1 (ko) | 2001-10-24 |
SE470037B (sv) | 1993-10-25 |
AU5379794A (en) | 1994-05-24 |
SE9203137L (sv) | 1993-10-25 |
CN1051890C (zh) | 2000-04-26 |
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