JP2002505052A - 無線通信システムにおける移動局のための周波数同期のための方法、移動局及び基地局 - Google Patents
無線通信システムにおける移動局のための周波数同期のための方法、移動局及び基地局Info
- Publication number
- JP2002505052A JP2002505052A JP50357299A JP50357299A JP2002505052A JP 2002505052 A JP2002505052 A JP 2002505052A JP 50357299 A JP50357299 A JP 50357299A JP 50357299 A JP50357299 A JP 50357299A JP 2002505052 A JP2002505052 A JP 2002505052A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- mobile station
- synchronization
- symbol sequence
- transmitted
- 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
- H04B7/24—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 無線通信システムの移動局(MS)のための周波数同期のための方法に おいて、 前記無線通信システムはタイムスロット(ts)及び広帯域周波数領域(B) によって形成される周波数チャネル(FK)を提供し、該周波数チャネル(FK )において移動局(MS)と基地局(BS)との間で同時に1つ又は複数のコネ クションの情報が伝送され、 異なるコネクションの情報はコネクション固有の微細構造によって区別可能で あり、 前記移動局(MS)に対してダウンワード方向に周波数同期のための周波数 チャネル(FCCH)が繰り返し提供され、 該周波数チャネル(FCCH)内部でシンボル系列(f1)が伝送され、 同期すべき移動局(MS)によって受信信号から前記シンボル系列(f1) に対する推定値(f1’)が決定され、 該推定値(f1’)と参照系列(f2)との比較から前記推定値(f1’) の位相ドリフト(dp)が計算され、 該位相ドリフト(dp)から周波数オフセット(df)が算出され、 前記移動局(MS)によって周波数同期のために 前記周波数オフセット(df)が利用される、無線通信システムの移動局(M S)のための周波数同期のための方法。 2. シンボル系列(f1)はユーザデータコネクション又はシグナリングコ ネクションの伝送すべき情報と共に同時に送信される、請求項1記載の方法。 3. 少なくとも2つの推定値(f1’)が位相ドリフト計算のために十分な 大きさの時間間隔で得られるようにシンボル系列(f1)は伝送される、請求項 1又は2記載の方法。 4. シンボル系列(f1)は固有の拡散符号(c1)によって拡散される、 請求項1〜3までのうちの1項記載の方法。 5. 位相ドリフト(dp)は最小二乗誤差法によって比例係数として椎定値 (f1’)と参照系列(f2)との比較から計算される、請求項1〜4までのう ちの1項記載の方法。 6. 少なくともシンボル系列(f1)の部分が時間同期及び周波数同期に使 用される、請求項1〜5までのうちの1項記載の方法。 7. 周波数チャネル(FK)における信号の分離はJD-CDMA方法によ って行われる、請求項1〜6までのうちの1項記載の方法。 8. 移動局(MS)によって受信電力測定に従っ て周波数同期のための周波数チャネル(FCCH)を有する周波数領域(B)が 選択される、請求項1〜7までのうちの1項記載の方法。 9.請求項1記載の方法を実施するための移動局(MS)において、 信号処理装置(SP)を有し、該信号処理装置(SP)は、 受信信号からシンボル系列(f1)に対する推定値(f1’)を決定し、 該推定値(f1’)と参照系列(f2)とを比較し、 この比較から周波数オフセット(df)を計算するためのものであり、 該周波数オフセット(df)を考慮して周波数同期を行うための制御装置(S E)を有する、請求項1記載の方法を実施するための移動局(MS)。 10. 請求項1記載の方法を実施するための基地局(BS)において、 所定のシンボル系列(f1)を発生するための信号発生装置(SA)を有し、 周波数同期のための周波数チャネル(FCCH)におい前記シンボル系列(f 1)を送信するための送信装置(EE)を有する、請求項1記載の方法を実施す るための基地局(BS)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19725570.1 | 1997-06-17 | ||
DE19725570 | 1997-06-17 | ||
PCT/DE1998/001653 WO1998058464A1 (de) | 1997-06-17 | 1998-06-17 | Verfahren zur frequenzsynchronisation für eine mobilisation in einem funk-kommunikationssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002505052A true JP2002505052A (ja) | 2002-02-12 |
JP3953533B2 JP3953533B2 (ja) | 2007-08-08 |
Family
ID=7832729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50357299A Expired - Fee Related JP3953533B2 (ja) | 1997-06-17 | 1998-06-17 | 無線通信システムにおける移動局のための周波数同期のための方法、移動局及び基地局 |
Country Status (13)
Country | Link |
---|---|
US (1) | US6577615B1 (ja) |
EP (1) | EP0990320B1 (ja) |
JP (1) | JP3953533B2 (ja) |
KR (1) | KR100404018B1 (ja) |
CN (1) | CN1123150C (ja) |
AU (1) | AU732620B2 (ja) |
BR (1) | BR9810525A (ja) |
CA (1) | CA2294835A1 (ja) |
DE (1) | DE59805329D1 (ja) |
ES (1) | ES2183397T3 (ja) |
ID (1) | ID24934A (ja) |
RU (1) | RU2220505C2 (ja) |
WO (1) | WO1998058464A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008507192A (ja) * | 2004-07-14 | 2008-03-06 | エスケーテレコム カンパニー リミテッド | Tdd方式とofdm変調方式を用いる移動通信網のrf中継器で伝送信号を分離するスイッチングタイミング信号生成方法及びシステム |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69824390T2 (de) * | 1998-04-01 | 2004-10-28 | Motorola Semiconducteurs S.A. | Kommunikationsanordnung, mobile Einrichtung und Verfahren |
FR2785118B1 (fr) * | 1998-10-26 | 2004-06-18 | Cit Alcatel | Canal module d'acquisition et de poursuite pour un systeme de radiocommunications |
US6958989B1 (en) * | 1999-05-19 | 2005-10-25 | Interdigital Technology Corporation | Uplink scrambling code assignment for a random access channel |
US7965794B2 (en) * | 2000-05-05 | 2011-06-21 | Greenwich Technologies Associates | Method and apparatus for broadcasting with spatially diverse signals |
PT1421802E (pt) * | 2001-08-14 | 2013-04-08 | Qualcomm Inc | Processo e dispositivo para a conectividade de uma rede sem fios |
US7269394B2 (en) * | 2002-10-02 | 2007-09-11 | Agere Systems Inc. | Frequency offset compensation for communication systems |
CN1310436C (zh) * | 2004-01-05 | 2007-04-11 | 大唐移动通信设备有限公司 | 移动通信频率偏差测量的方法和装置 |
CN100352170C (zh) * | 2004-04-19 | 2007-11-28 | 中兴通讯股份有限公司 | 时分复用无线通信系统频率校正的装置和方法 |
KR100842536B1 (ko) | 2004-07-01 | 2008-07-01 | 삼성전자주식회사 | 통신 시스템에서 동기 획득 방법 및 시스템 |
KR100922970B1 (ko) | 2007-02-08 | 2009-10-22 | 삼성전자주식회사 | 통신 시스템에서의 훈련 시퀀스 코드의 생성/변조 방법 및 이를 이용한 데이터 송신 장치 |
JP4814176B2 (ja) * | 2007-05-01 | 2011-11-16 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置および同期チャネル送信方法 |
JP2008283319A (ja) * | 2007-05-09 | 2008-11-20 | Nec Corp | 無線通信システムおよびその周波数ホッピング方法ならびに基地局および移動局 |
US8213405B2 (en) * | 2008-02-01 | 2012-07-03 | Qualcomm Incorporated | Wireless network synchronization |
US8203929B2 (en) * | 2008-10-09 | 2012-06-19 | Sony Corporation | Frame and data pattern structure for multi-carrier systems |
DE102018000044B4 (de) * | 2017-09-27 | 2023-04-20 | Diehl Metering Systems Gmbh | Verfahren zur bidirektionalen Datenübertragung in Schmalbandsystemen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US4847869A (en) * | 1987-12-04 | 1989-07-11 | Motorla, Inc. | Rapid reference acquisition and phase error compensation for radio transmission of data |
IT1236978B (it) * | 1989-12-22 | 1993-05-12 | Italtel Spa | Metodo e dispositivo per la sincronizzazione tra una stazione radio fissa ed una stazione mobile in un sistema radiomobile digitale |
US5390216A (en) * | 1991-11-02 | 1995-02-14 | Robert Bosch Gmbh | Synchronization method for a mobile radiotelephone |
US5343498A (en) * | 1993-03-08 | 1994-08-30 | General Electric Company | Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers |
US5359624A (en) * | 1993-06-07 | 1994-10-25 | Motorola, Inc. | System and method for chip timing synchronization in an adaptive direct sequence CDMA communication system |
US5498512A (en) | 1995-03-10 | 1996-03-12 | Eastman Kodak Company | Photographic element having a transparent magnetic recording layer |
JPH0918528A (ja) * | 1995-06-27 | 1997-01-17 | Sony Corp | 制御信号検出方法及び無線受信装置 |
GB2309868A (en) * | 1996-01-30 | 1997-08-06 | Sony Corp | Radio receiver detects FCCH synchronising signal |
DE19623667C2 (de) * | 1996-06-13 | 2003-02-13 | Siemens Ag | Verfahren und Einrichtung zur Detektion von nach dem DS-CDMA Prinzip übertragenen Informationen in einer Empfangseinrichtung |
US6272121B1 (en) * | 1997-03-03 | 2001-08-07 | Omnipoint Corporation | Spread spectrum communication system using DECT protocol |
-
1998
- 1998-06-17 RU RU2000100926/09A patent/RU2220505C2/ru not_active IP Right Cessation
- 1998-06-17 WO PCT/DE1998/001653 patent/WO1998058464A1/de active IP Right Grant
- 1998-06-17 CA CA002294835A patent/CA2294835A1/en not_active Abandoned
- 1998-06-17 US US09/446,197 patent/US6577615B1/en not_active Expired - Lifetime
- 1998-06-17 AU AU85326/98A patent/AU732620B2/en not_active Ceased
- 1998-06-17 ES ES98936197T patent/ES2183397T3/es not_active Expired - Lifetime
- 1998-06-17 DE DE59805329T patent/DE59805329D1/de not_active Expired - Fee Related
- 1998-06-17 KR KR10-1999-7011878A patent/KR100404018B1/ko not_active IP Right Cessation
- 1998-06-17 BR BR9810525-6A patent/BR9810525A/pt not_active IP Right Cessation
- 1998-06-17 EP EP98936197A patent/EP0990320B1/de not_active Expired - Lifetime
- 1998-06-17 ID IDW991610A patent/ID24934A/id unknown
- 1998-06-17 JP JP50357299A patent/JP3953533B2/ja not_active Expired - Fee Related
- 1998-06-17 CN CN98806309A patent/CN1123150C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008507192A (ja) * | 2004-07-14 | 2008-03-06 | エスケーテレコム カンパニー リミテッド | Tdd方式とofdm変調方式を用いる移動通信網のrf中継器で伝送信号を分離するスイッチングタイミング信号生成方法及びシステム |
Also Published As
Publication number | Publication date |
---|---|
US6577615B1 (en) | 2003-06-10 |
CN1123150C (zh) | 2003-10-01 |
KR20010013856A (ko) | 2001-02-26 |
WO1998058464A1 (de) | 1998-12-23 |
ID24934A (id) | 2000-08-31 |
BR9810525A (pt) | 2000-09-19 |
JP3953533B2 (ja) | 2007-08-08 |
RU2220505C2 (ru) | 2003-12-27 |
AU8532698A (en) | 1999-01-04 |
ES2183397T3 (es) | 2003-03-16 |
CA2294835A1 (en) | 1998-12-23 |
DE59805329D1 (de) | 2002-10-02 |
EP0990320A1 (de) | 2000-04-05 |
KR100404018B1 (ko) | 2003-11-03 |
CN1260922A (zh) | 2000-07-19 |
EP0990320B1 (de) | 2002-08-28 |
AU732620B2 (en) | 2001-04-26 |
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