DE69902809T2 - Verfahren und vorrichtung zur synchronisierung unter verwendung von partieller sequenz korrelation - Google Patents
Verfahren und vorrichtung zur synchronisierung unter verwendung von partieller sequenz korrelationInfo
- Publication number
- DE69902809T2 DE69902809T2 DE69902809T DE69902809T DE69902809T2 DE 69902809 T2 DE69902809 T2 DE 69902809T2 DE 69902809 T DE69902809 T DE 69902809T DE 69902809 T DE69902809 T DE 69902809T DE 69902809 T2 DE69902809 T2 DE 69902809T2
- Authority
- DE
- Germany
- Prior art keywords
- correlation
- modulation sequence
- subsequence
- minimum
- synchronizing
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70752—Partial correlation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/15—Correlation function computation including computation of convolution operations
-
- 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
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- 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
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Mathematical Analysis (AREA)
- Computer Networks & Wireless Communication (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/193,583 US6421371B1 (en) | 1998-11-17 | 1998-11-17 | Modulation sequence synchronization methods and apparatus employing partial sequence correlation |
PCT/US1999/023941 WO2000030271A1 (en) | 1998-11-17 | 1999-10-12 | Synchronization method and apparatus employing partial sequence correlation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69902809D1 DE69902809D1 (de) | 2002-10-10 |
DE69902809T2 true DE69902809T2 (de) | 2003-01-16 |
Family
ID=22714226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69902809T Expired - Fee Related DE69902809T2 (de) | 1998-11-17 | 1999-10-12 | Verfahren und vorrichtung zur synchronisierung unter verwendung von partieller sequenz korrelation |
Country Status (11)
Country | Link |
---|---|
US (1) | US6421371B1 (de) |
EP (1) | EP1131899B1 (de) |
JP (1) | JP2002530926A (de) |
CN (1) | CN1326621A (de) |
AT (1) | ATE223631T1 (de) |
AU (1) | AU6298999A (de) |
DE (1) | DE69902809T2 (de) |
IL (1) | IL143168A0 (de) |
MY (1) | MY124380A (de) |
PL (1) | PL347692A1 (de) |
WO (1) | WO2000030271A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3695732B2 (ja) * | 1998-09-02 | 2005-09-14 | 富士通株式会社 | Cdma受信装置のサーチ装置 |
US7085246B1 (en) * | 1999-05-19 | 2006-08-01 | Motorola, Inc. | Method and apparatus for acquisition of a spread-spectrum signal |
DE19961557A1 (de) * | 1999-12-20 | 2001-07-05 | Infineon Technologies Ag | Verfahren und Einrichtung zum Synchronisieren eines Mobilfunkempfängers mit einer Zeitschlitzstruktur eines empfangenen Funksignals |
SE0001998D0 (sv) * | 2000-05-29 | 2000-05-29 | Siemens Elema Ab | Method and device for correlating signals |
GB0102528D0 (en) * | 2001-01-31 | 2001-03-21 | Tristram James | Wheel lights |
US7603081B2 (en) * | 2001-09-14 | 2009-10-13 | Atc Technologies, Llc | Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications |
US20050002442A1 (en) * | 2003-07-02 | 2005-01-06 | Litwin Louis Robert | Method and apparatus for detection of Pilot signal with frequency offset using multi-stage correlator |
KR100555661B1 (ko) * | 2004-06-23 | 2006-03-03 | 삼성전자주식회사 | 디지털 방송 수신 시스템의 반송파 주파수 오프셋검출장치 및 그의 주파수 오프셋 검출방법 |
US7339976B2 (en) * | 2005-07-18 | 2008-03-04 | Motorola, Inc. | Method and apparatus for reducing power consumption within a wireless receiver |
US7865158B2 (en) * | 2005-07-26 | 2011-01-04 | Interdigital Technology Corporation | Method and apparatus for automatically correcting receiver oscillator frequency |
US8014379B2 (en) * | 2007-09-28 | 2011-09-06 | St-Ericsson Sa | Correlation of access code for bluetooth synchronization |
GB201410641D0 (en) * | 2014-06-13 | 2014-07-30 | Nordic Semiconductor Asa | Radio communication |
JP6799137B2 (ja) * | 2016-03-31 | 2020-12-09 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | テレメトリ・アプリケーションのための干渉ロバスト・パケット検出のための最適化されたプリアンブル及び方法 |
CN115136027A (zh) * | 2020-02-25 | 2022-09-30 | 三菱电机株式会社 | 无线测距系统、测距终端、控制电路、存储介质和无线测距方法 |
JP7146878B2 (ja) * | 2020-11-19 | 2022-10-04 | フラウンホッファー-ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | テレメトリ・アプリケーションのための干渉ロバスト・パケット検出のための最適化されたプリアンブル及び方法 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4291409A (en) | 1978-06-20 | 1981-09-22 | The Mitre Corporation | Spread spectrum communications method and apparatus |
US4418393A (en) | 1980-10-27 | 1983-11-29 | Sperry Corporation | Matched filter spread spectrum code recovery apparatus |
US4538281A (en) | 1982-05-06 | 1985-08-27 | Rockwell International Corporation | Adaptive acquisition of multiple access codes |
FR2650456A1 (fr) * | 1989-07-28 | 1991-02-01 | Trt Telecom Radio Electr | Procede de synchronisation par correlation |
FR2653286A1 (fr) | 1989-10-12 | 1991-04-19 | Europ Agence Spatiale | Procede et circuit d'acquisition de code pour recepteur de signal a spectre etale. |
US5048053A (en) | 1989-11-20 | 1991-09-10 | Unisys Corporation | Detecting and tracking circuit for component PN codes |
US5253268A (en) | 1990-05-24 | 1993-10-12 | Cylink Corporation | Method and apparatus for the correlation of sample bits of spread spectrum radio signals |
US5128957A (en) | 1990-08-10 | 1992-07-07 | Ricoh Company, Ltd. | Initial acquisition method in spread spectrum system and such system |
US5111478A (en) | 1991-01-31 | 1992-05-05 | Motorola, Inc. | Method and apparatus for providing signal synchronization in a spread spectrum communication system |
US5365550A (en) | 1991-07-18 | 1994-11-15 | Pulse Electronics, Inc. | Initial synchronization and tracking circuits for spread spectrum receivers |
US5579338A (en) | 1992-06-29 | 1996-11-26 | Mitsubishi Denki Kabushiki Kaisha | Spread spectrum receiver using partial correlations |
JP3212390B2 (ja) | 1992-11-17 | 2001-09-25 | クラリオン株式会社 | スライディング相関器 |
DE4318368C1 (de) | 1993-05-28 | 1994-07-14 | Siemens Ag | Verfahren zum Gewinnen eines einen Ausfall der Synchronisation zwischen einer Pseudozufallssignalfolge eines Senders und einer Referenz-Pseudozufallssignalfolge eines Empfängers anzeigenden Signals |
US5768306A (en) | 1993-09-06 | 1998-06-16 | Ntt Mobile Communications Network, Inc. | Sliding correlator used in CDMA systems to establish initial synchronization |
AU687228B2 (en) | 1994-07-29 | 1998-02-19 | Qualcomm Incorporated | Method and apparatus for performing code acquisition in a CDMA communications system |
JP3142222B2 (ja) | 1994-08-22 | 2001-03-07 | 松下電器産業株式会社 | スペクトル拡散通信同期方法とその回路装置 |
US5717713A (en) | 1994-11-18 | 1998-02-10 | Stanford Telecommunications, Inc. | Technique to permit rapid acquisition and alert channel signalling for base station-to-user link of an orthogonal CDMA (OCDMA) communication system |
KR970011690B1 (ko) | 1994-11-22 | 1997-07-14 | 삼성전자 주식회사 | 파일럿트 채널을 이용한 대역확산 통신시스템의 데이타 송신기 및 수신기 |
US5654991A (en) | 1995-07-31 | 1997-08-05 | Harris Corporation | Fast acquisition bit timing loop method and apparatus |
US5642377A (en) | 1995-07-25 | 1997-06-24 | Nokia Mobile Phones, Ltd. | Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems |
US5805648A (en) | 1995-07-31 | 1998-09-08 | Qualcomm Incorporated | Method and apparatus for performing search acquisition in a CDMA communication system |
JPH0946174A (ja) | 1995-07-31 | 1997-02-14 | Sharp Corp | フィルタ回路 |
US5696762A (en) | 1996-03-25 | 1997-12-09 | Stanford Telecommunications, Inc. | Rapid-acquisition access channel scheme for CDMA systems |
US5781543A (en) * | 1996-08-29 | 1998-07-14 | Qualcomm Incorporated | Power-efficient acquisition of a CDMA pilot signal |
US6097770A (en) * | 1996-10-31 | 2000-08-01 | Lucent Technologies Inc. | Frequency offset estimation for wireless systems based on channel impulse response |
US6215798B1 (en) * | 1996-11-01 | 2001-04-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-frame synchronization for parallel channel transmissions |
IL120555A (en) * | 1997-03-30 | 2000-06-01 | D S P C Israel Ltd | Code synchronization unit and method |
US6377615B1 (en) * | 1999-09-30 | 2002-04-23 | Ericsson Inc. | Apparatus and methods for receiving information using variable length accumulation searchers |
-
1998
- 1998-11-17 US US09/193,583 patent/US6421371B1/en not_active Expired - Lifetime
-
1999
- 1999-10-12 JP JP2000583177A patent/JP2002530926A/ja not_active Withdrawn
- 1999-10-12 CN CN99813277A patent/CN1326621A/zh active Pending
- 1999-10-12 IL IL14316899A patent/IL143168A0/xx unknown
- 1999-10-12 PL PL99347692A patent/PL347692A1/xx unknown
- 1999-10-12 AT AT99950297T patent/ATE223631T1/de not_active IP Right Cessation
- 1999-10-12 AU AU62989/99A patent/AU6298999A/en not_active Abandoned
- 1999-10-12 WO PCT/US1999/023941 patent/WO2000030271A1/en active IP Right Grant
- 1999-10-12 EP EP99950297A patent/EP1131899B1/de not_active Expired - Lifetime
- 1999-10-12 DE DE69902809T patent/DE69902809T2/de not_active Expired - Fee Related
- 1999-10-13 MY MYPI99004411A patent/MY124380A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY124380A (en) | 2006-06-30 |
EP1131899A1 (de) | 2001-09-12 |
AU6298999A (en) | 2000-06-05 |
CN1326621A (zh) | 2001-12-12 |
DE69902809D1 (de) | 2002-10-10 |
JP2002530926A (ja) | 2002-09-17 |
ATE223631T1 (de) | 2002-09-15 |
WO2000030271A1 (en) | 2000-05-25 |
EP1131899B1 (de) | 2002-09-04 |
US6421371B1 (en) | 2002-07-16 |
PL347692A1 (en) | 2002-04-22 |
IL143168A0 (en) | 2002-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |