CN1345140A - 校正频率偏移的方法和装置及存储其控制程序的媒体 - Google Patents
校正频率偏移的方法和装置及存储其控制程序的媒体 Download PDFInfo
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- CN1345140A CN1345140A CN01141844A CN01141844A CN1345140A CN 1345140 A CN1345140 A CN 1345140A CN 01141844 A CN01141844 A CN 01141844A CN 01141844 A CN01141844 A CN 01141844A CN 1345140 A CN1345140 A CN 1345140A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7087—Carrier synchronisation aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0065—Frequency error detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
- H04L2027/0095—Intermittant signals in a preamble or similar structure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0023117A GB2367212B (en) | 2000-09-20 | 2000-09-20 | Evaluation of UMTS mobile receiver reference |
GB0023117.5 | 2000-09-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1345140A true CN1345140A (zh) | 2002-04-17 |
CN1205773C CN1205773C (zh) | 2005-06-08 |
Family
ID=9899837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011418443A Expired - Fee Related CN1205773C (zh) | 2000-09-20 | 2001-09-20 | 校正频率偏移的方法和直接序列扩频接收机 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7006558B2 (zh) |
EP (1) | EP1191705B1 (zh) |
JP (1) | JP4710210B2 (zh) |
CN (1) | CN1205773C (zh) |
DE (1) | DE60107350T2 (zh) |
GB (1) | GB2367212B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007079680A1 (fr) * | 2006-01-12 | 2007-07-19 | Shanghai Ultimate Power Communications Technology Co., Ltd. | Procédé de correction de décalage de fréquence pour système de communication à cellules duplex à répartition dans le temps à large bande et procédé de première recherche de cellule |
CN101884170A (zh) * | 2008-01-21 | 2010-11-10 | 日本电气株式会社 | 通信设备、通信系统、控制方法及控制程序 |
CN101252406B (zh) * | 2008-03-28 | 2012-04-25 | 哈尔滨工业大学 | 抗多址干扰的直接序列扩频通信系统 |
CN111065937A (zh) * | 2017-07-06 | 2020-04-24 | 焦点定位有限公司 | 用于校正使用本地振荡器生成的本地信号的频率或相位的方法和系统 |
CN111245475A (zh) * | 2020-01-10 | 2020-06-05 | 上海感悟通信科技有限公司 | 无线通信数据发送方法、接收方法、无线通信方法和设备 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2367211B (en) * | 2000-09-20 | 2004-03-17 | Nec Technologies | Slot timing and frequency offset correction in a direct sequence spread spectrum communications receiver |
US7804883B2 (en) * | 2002-09-12 | 2010-09-28 | National Institute Of Information And Communications Technology | Method and system for frequency hopping radio communication |
JP2007521679A (ja) * | 2003-08-04 | 2007-08-02 | トムソン ライセンシング | ユニバーサル移動体通信システム受信機におけるセル・サーチの間の周波数の同期 |
CN1848704B (zh) * | 2005-04-15 | 2010-10-13 | 展讯通信(上海)有限公司 | Wcdma系统中的小区搜索方法和装置 |
JP4750592B2 (ja) * | 2006-03-17 | 2011-08-17 | 富士通株式会社 | ピーク抑圧方法、ピーク抑圧装置、無線送信装置 |
US7885237B2 (en) * | 2007-08-01 | 2011-02-08 | Broadcom Corporation | Cell search operations using multibranch PSYNC detection module |
US8401123B2 (en) * | 2009-07-28 | 2013-03-19 | Broadcom Corporation | Method and system for increasing the accuracy of frequency offset estimation in multiple frequency hypothesis testing in an E-UTRA/LTE UE receiver |
US8380151B2 (en) * | 2009-12-18 | 2013-02-19 | Broadcom Corporation | Method and system for reducing the complexity of multi-frequency hypothesis testing using an iterative approach |
US8462647B2 (en) * | 2009-07-28 | 2013-06-11 | Broadcom Corporation | Method and system for multiple frequency hypothesis testing with full synch acquisition in an E-UTRA/LTE UE receiver |
US8369279B2 (en) * | 2010-03-10 | 2013-02-05 | Broadcom Corporation | Method and system for iterative multiple frequency hypothesis testing with cell-ID detection in an E-UTRA/LTE UE receiver |
US8576830B2 (en) * | 2010-04-02 | 2013-11-05 | Broadcom Corporation | Method and system for tracking timing drift in multiple frequency hypothesis testing |
US8917704B2 (en) | 2009-12-18 | 2014-12-23 | Broadcom Corporation | Method and system for automatically rescaling an accumulation buffer in synchronization systems |
US9226235B2 (en) * | 2012-08-14 | 2015-12-29 | Intel Deutschland Gmbh | Circuit arrangement and a method for communication network search and signal power measurement |
US10859615B2 (en) * | 2016-04-22 | 2020-12-08 | Nokia Solutions And Networks Oy | Method and apparatus for VSWR estimation using cross-correlation and real sampling without the need for time alignment |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5276706A (en) * | 1992-05-20 | 1994-01-04 | Hughes Aircraft Company | System and method for minimizing frequency offsets between digital communication stations |
US6134286A (en) * | 1997-10-14 | 2000-10-17 | Ericsson Inc. | Synchronization techniques and systems for radiocommunication |
JPH11122216A (ja) * | 1997-10-17 | 1999-04-30 | Canon Inc | スペクトラム拡散通信受信装置及びその同期確立方法 |
US6134260A (en) * | 1997-12-16 | 2000-10-17 | Ericsson Inc. | Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers |
US6115370A (en) * | 1998-05-26 | 2000-09-05 | Nera Wireless Broadband Access As | Method and system for protocols for providing voice, data, and multimedia services in a wireless local loop system |
US6249539B1 (en) | 1998-06-15 | 2001-06-19 | Qualcomm Incorporated | System and method for narrowing the range of frequency uncertainty of a doppler shifted signal |
JP3397238B2 (ja) * | 1998-10-01 | 2003-04-14 | 日本電気株式会社 | 移動局および移動局におけるafc制御方法 |
JP2000252859A (ja) * | 1999-02-25 | 2000-09-14 | Kokusai Electric Co Ltd | Cdma無線端末 |
JP2000082976A (ja) * | 1999-06-30 | 2000-03-21 | Hitachi Ltd | Cdma方式移動通信システム |
GB2367211B (en) * | 2000-09-20 | 2004-03-17 | Nec Technologies | Slot timing and frequency offset correction in a direct sequence spread spectrum communications receiver |
-
2000
- 2000-09-20 GB GB0023117A patent/GB2367212B/en not_active Expired - Fee Related
-
2001
- 2001-09-19 US US09/955,831 patent/US7006558B2/en not_active Expired - Fee Related
- 2001-09-20 JP JP2001287423A patent/JP4710210B2/ja not_active Expired - Fee Related
- 2001-09-20 EP EP01122465A patent/EP1191705B1/en not_active Expired - Lifetime
- 2001-09-20 DE DE60107350T patent/DE60107350T2/de not_active Expired - Lifetime
- 2001-09-20 CN CNB011418443A patent/CN1205773C/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007079680A1 (fr) * | 2006-01-12 | 2007-07-19 | Shanghai Ultimate Power Communications Technology Co., Ltd. | Procédé de correction de décalage de fréquence pour système de communication à cellules duplex à répartition dans le temps à large bande et procédé de première recherche de cellule |
CN101884170A (zh) * | 2008-01-21 | 2010-11-10 | 日本电气株式会社 | 通信设备、通信系统、控制方法及控制程序 |
CN101884170B (zh) * | 2008-01-21 | 2014-07-09 | 日本电气株式会社 | 通信设备、通信系统及控制方法 |
CN101252406B (zh) * | 2008-03-28 | 2012-04-25 | 哈尔滨工业大学 | 抗多址干扰的直接序列扩频通信系统 |
CN111065937A (zh) * | 2017-07-06 | 2020-04-24 | 焦点定位有限公司 | 用于校正使用本地振荡器生成的本地信号的频率或相位的方法和系统 |
CN111245475A (zh) * | 2020-01-10 | 2020-06-05 | 上海感悟通信科技有限公司 | 无线通信数据发送方法、接收方法、无线通信方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
US20020054624A1 (en) | 2002-05-09 |
DE60107350D1 (de) | 2004-12-30 |
GB2367212A (en) | 2002-03-27 |
US7006558B2 (en) | 2006-02-28 |
GB0023117D0 (en) | 2000-11-01 |
EP1191705B1 (en) | 2004-11-24 |
CN1205773C (zh) | 2005-06-08 |
EP1191705A2 (en) | 2002-03-27 |
EP1191705A3 (en) | 2003-01-22 |
JP2002217788A (ja) | 2002-08-02 |
DE60107350T2 (de) | 2005-05-04 |
JP4710210B2 (ja) | 2011-06-29 |
GB2367212B (en) | 2004-07-07 |
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