DE60027180D1 - Korrelator - Google Patents

Korrelator

Info

Publication number
DE60027180D1
DE60027180D1 DE60027180T DE60027180T DE60027180D1 DE 60027180 D1 DE60027180 D1 DE 60027180D1 DE 60027180 T DE60027180 T DE 60027180T DE 60027180 T DE60027180 T DE 60027180T DE 60027180 D1 DE60027180 D1 DE 60027180D1
Authority
DE
Germany
Prior art keywords
correlator
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 - Lifetime
Application number
DE60027180T
Other languages
English (en)
Other versions
DE60027180T2 (de
Inventor
Motoya Iwasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE60027180D1 publication Critical patent/DE60027180D1/de
Application granted granted Critical
Publication of DE60027180T2 publication Critical patent/DE60027180T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • 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
    • H04B1/709—Correlator structure
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • 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
    • H04B2201/70707—Efficiency-related aspects
DE2000627180 1999-09-20 2000-09-19 Korrelator Expired - Lifetime DE60027180T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP26504099 1999-09-20
JP26504099A JP3296341B2 (ja) 1999-09-20 1999-09-20 相関器
PCT/JP2000/006390 WO2001022608A1 (fr) 1999-09-20 2000-09-19 Correlateur

Publications (2)

Publication Number Publication Date
DE60027180D1 true DE60027180D1 (de) 2006-05-18
DE60027180T2 DE60027180T2 (de) 2006-08-24

Family

ID=17411757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000627180 Expired - Lifetime DE60027180T2 (de) 1999-09-20 2000-09-19 Korrelator

Country Status (8)

Country Link
US (1) US6990141B1 (de)
EP (1) EP1220462B1 (de)
JP (1) JP3296341B2 (de)
CN (1) CN1165115C (de)
AU (1) AU770874B2 (de)
CA (1) CA2385409C (de)
DE (1) DE60027180T2 (de)
WO (1) WO2001022608A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3399420B2 (ja) * 1999-11-01 2003-04-21 日本電気株式会社 固定パターン検出装置
US7336696B2 (en) * 2003-12-12 2008-02-26 Nokia Siemens Networks Oy Acquisition of a code modulated signal
EP1655918A3 (de) * 2004-11-03 2012-11-21 Broadcom Corporation Modus mit niedriger Rate und hoher Reichweite für OFDM in drahtlosen LANs
US7684473B2 (en) 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
BRPI0520450A2 (pt) * 2005-07-26 2011-03-29 Thomson Licensing correlacionador para busca de células primárias usando arquitetura de memória
US7903719B2 (en) * 2005-12-21 2011-03-08 Qualcomm Incorporated Optimal use of resources for signal processors
CN101498784A (zh) * 2008-02-01 2009-08-05 韩国科亚电子股份有限公司 用于跟踪卫星信号的设备和方法
JP5032538B2 (ja) * 2009-08-28 2012-09-26 株式会社東芝 伝送路応答推定器
GB2487044A (en) * 2010-12-24 2012-07-11 Enmodus Ltd Determining whether a signal is present by comparing phase measurements, and distinguishing between signals
FR3048296B1 (fr) * 2016-02-25 2018-03-30 Stmicroelectronics (Rousset) Sas Procede et dispositif de brouillage electromagnetique pour circuit integre
DE102018206137A1 (de) * 2018-04-20 2019-10-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Paket-Korrelator für ein Funkübertragungssystem
CN115473544B (zh) * 2022-08-30 2023-07-04 天津津航计算技术研究所 一种fpga折叠相关器结构及控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2211053B (en) * 1987-10-09 1992-05-06 Clarion Co Ltd Spread spectrum communication receiver
JPH0888587A (ja) 1994-09-19 1996-04-02 Sumitomo Electric Ind Ltd スペクトラム拡散通信装置
US5627855A (en) 1995-05-25 1997-05-06 Golden Bridge Technology, Inc. Programmable two-part matched filter for spread spectrum
JP2723094B2 (ja) * 1995-11-07 1998-03-09 日本電気株式会社 Ｃｄｍａ受信装置
US5715276A (en) 1996-08-22 1998-02-03 Golden Bridge Technology, Inc. Symbol-matched filter having a low silicon and power requirement
JPH10178334A (ja) 1996-12-19 1998-06-30 Fujitsu Ltd マッチトフィルタ
JP2850959B2 (ja) 1997-05-12 1999-01-27 日本電気株式会社 スペクトラム拡散通信同期捕捉復調装置
US5894494A (en) * 1997-10-29 1999-04-13 Golden Bridge Technology, Inc. Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals
KR20000009140A (ko) * 1998-07-21 2000-02-15 윤종용 확산대역 통신시스템의 초기 포착 및 프레임동기 장치 및 방법
JP2955576B1 (ja) 1998-08-28 1999-10-04 株式会社東芝 ディジタル通信システムとその送信装置および受信装置、ならびにフレーム同期検出回路

Also Published As

Publication number Publication date
US6990141B1 (en) 2006-01-24
AU770874B2 (en) 2004-03-04
WO2001022608A1 (fr) 2001-03-29
CN1165115C (zh) 2004-09-01
CN1375132A (zh) 2002-10-16
JP3296341B2 (ja) 2002-06-24
CA2385409A1 (en) 2001-03-29
AU7316200A (en) 2001-04-24
JP2001094468A (ja) 2001-04-06
EP1220462A4 (de) 2003-03-19
EP1220462A1 (de) 2002-07-03
DE60027180T2 (de) 2006-08-24
CA2385409C (en) 2008-12-16
EP1220462B1 (de) 2006-04-05

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Legal Events

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8364 No opposition during term of opposition