DE60024814D1 - Verfahren und gerät zum erfassen eines spreizspektrumsignals - Google Patents
Verfahren und gerät zum erfassen eines spreizspektrumsignalsInfo
- Publication number
- DE60024814D1 DE60024814D1 DE60024814T DE60024814T DE60024814D1 DE 60024814 D1 DE60024814 D1 DE 60024814D1 DE 60024814 T DE60024814 T DE 60024814T DE 60024814 T DE60024814 T DE 60024814T DE 60024814 D1 DE60024814 D1 DE 60024814D1
- Authority
- DE
- Germany
- Prior art keywords
- recording
- spectrum signal
- spreading spectrum
- spreading
- signal
- 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
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
-
- 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
-
- 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
- H04B1/70753—Partial phase search
-
- 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
- H04B1/70756—Jumping within the code, i.e. masking or slewing
-
- 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
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
-
- 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
- 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
- H04B2201/70702—Intercell-related aspects
-
- 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
-
- 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
- H04B2201/70709—Efficiency-related aspects with discontinuous detection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/314,819 US7031271B1 (en) | 1999-05-19 | 1999-05-19 | Method of and apparatus for activating a spread-spectrum radiotelephone |
US314819 | 1999-05-19 | ||
US558121 | 2000-04-25 | ||
US09/558,121 US7085246B1 (en) | 1999-05-19 | 2000-04-25 | Method and apparatus for acquisition of a spread-spectrum signal |
PCT/US2000/012674 WO2000070792A1 (en) | 1999-05-19 | 2000-05-10 | Method and apparatus for acquisition of a spread-spectrum signal |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60024814D1 true DE60024814D1 (de) | 2006-01-19 |
DE60024814T2 DE60024814T2 (de) | 2006-08-24 |
Family
ID=26979572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60024814T Expired - Lifetime DE60024814T2 (de) | 1999-05-19 | 2000-05-10 | Verfahren und gerät zum erfassen eines spreizspektrumsignals |
Country Status (10)
Country | Link |
---|---|
US (1) | US7085246B1 (de) |
EP (1) | EP1183795B1 (de) |
JP (1) | JP4499301B2 (de) |
KR (1) | KR100453474B1 (de) |
CN (1) | CN1154259C (de) |
AU (1) | AU5128400A (de) |
DE (1) | DE60024814T2 (de) |
ES (1) | ES2254181T3 (de) |
MX (1) | MXPA01011812A (de) |
WO (1) | WO2000070792A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114039623A (zh) * | 2021-10-22 | 2022-02-11 | 中国电子科技集团公司第五十四研究所 | 一种低载噪比的短突发扩频信号跟踪方法 |
Families Citing this family (42)
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---|---|---|---|---|
US7031271B1 (en) * | 1999-05-19 | 2006-04-18 | Motorola, Inc. | Method of and apparatus for activating a spread-spectrum radiotelephone |
US7224719B1 (en) | 2000-03-31 | 2007-05-29 | Qualcomm, Incorporated | Fast acquisition of a pilot signal in a wireless communication device |
US6639907B2 (en) * | 2000-09-26 | 2003-10-28 | Qualcomm, Incorporated | Method and apparatus for processing paging indicator bits transmitted on a quick paging channel |
US6985516B1 (en) * | 2000-11-27 | 2006-01-10 | Qualcomm Incorporated | Method and apparatus for processing a received signal in a communications system |
CN1120591C (zh) * | 2000-12-18 | 2003-09-03 | ***电信传输研究所 | 直接扩频/码分多址综合扩频相干接收装置 |
CN1140075C (zh) * | 2000-12-18 | 2004-02-25 | ***电信传输研究所 | 基于多径能量窗的码分多址***初始同步与小区搜索装置 |
KR100488078B1 (ko) * | 2000-12-21 | 2005-05-09 | 엘지전자 주식회사 | 이동 통신 시스템 수신단의 파일럿 신호 검색기 및 방법 |
KR100790124B1 (ko) * | 2001-10-13 | 2008-01-02 | 삼성전자주식회사 | 패킷 데이터 전송을 위한 이동 통신시스템의 수신기 및그에 의한 신호 수신 방법 |
US6738438B2 (en) * | 2001-10-29 | 2004-05-18 | Qualcomm Incorporated | Parameter estimator with dynamically variable search window size and/or placement |
US7729412B2 (en) | 2001-10-29 | 2010-06-01 | Qualcomm Incorporated | Parameter estimator with dynamically variable integration time |
US7558534B2 (en) | 2001-11-02 | 2009-07-07 | Qualcomm Incorporated | Reliability metrics for parameter estimates which account for cumulative error |
US7649860B2 (en) * | 2002-01-31 | 2010-01-19 | Qualcomm Incorporated | Buffer-based GPS and CDMA pilot searcher |
JP3883463B2 (ja) | 2002-03-29 | 2007-02-21 | 株式会社東芝 | 通信コネクション設定方法 |
TW201002122A (en) | 2002-04-12 | 2010-01-01 | Interdigital Tech Corp | Access burst detector correlator pool |
EP1398883A1 (de) | 2002-09-12 | 2004-03-17 | Nokia Corporation | Kodephasenerfassung |
JP4196322B2 (ja) | 2002-09-20 | 2008-12-17 | 日本電気株式会社 | Cdma方式移動通信方法及び端末 |
US7596366B2 (en) * | 2002-12-31 | 2009-09-29 | Temic Automotive Of North America, Inc. | System and method for controlling the power in a wireless client device |
US7610035B2 (en) * | 2002-12-31 | 2009-10-27 | Temic Automotive Of North America, Inc. | System and method for controlling the power in a wireless client device |
US7298777B2 (en) * | 2003-06-06 | 2007-11-20 | Texas Instruments Incorporated | Searching in a spread spectrum communications |
GB0320993D0 (en) * | 2003-09-09 | 2003-10-08 | Koninkl Philips Electronics Nv | A method of acquiring a received spread spectrum signal |
CN1327631C (zh) * | 2003-12-26 | 2007-07-18 | 普天信息技术研究院 | 一种扩频通信***连续传输下的扩频码捕获方法 |
KR101087694B1 (ko) * | 2004-08-20 | 2011-11-30 | 에스케이 텔레콤주식회사 | 이동 통신 환경에서 멀티모드-멀티밴드 단말기의 타겟 셀검색 방법 및 시스템 |
JP4490229B2 (ja) * | 2004-10-12 | 2010-06-23 | 富士通コンポーネント株式会社 | 送信機、送受信システム、信号送信方法及び信号送受信方法 |
US8032095B1 (en) | 2005-03-03 | 2011-10-04 | Marvell International Ltd. | Method and apparatus for detecting carrier leakage in a wireless or similar system |
KR100732382B1 (ko) * | 2006-04-27 | 2007-06-27 | 주식회사 팬택 | 직교 주파수 분할 다중 접속 이동통신 단말기의 프리앰블획득 장치 및 방법 |
US8018884B2 (en) * | 2006-06-21 | 2011-09-13 | Qualcomm Incorporated | Low duty cycle network controller |
US7760749B2 (en) * | 2007-01-11 | 2010-07-20 | Via Technologies, Inc. | Apparatus and method for deskewing 1000 BASE-T Ethernet physical layer signals |
US8908570B2 (en) * | 2008-02-01 | 2014-12-09 | BlackBerrry Limited | Control signal management system and method |
US7526013B1 (en) * | 2008-03-18 | 2009-04-28 | On-Ramp Wireless, Inc. | Tag communications with access point |
US8520721B2 (en) | 2008-03-18 | 2013-08-27 | On-Ramp Wireless, Inc. | RSSI measurement mechanism in the presence of pulsed jammers |
US7733945B2 (en) * | 2008-03-18 | 2010-06-08 | On-Ramp Wireless, Inc. | Spread spectrum with doppler optimization |
US20090239550A1 (en) * | 2008-03-18 | 2009-09-24 | Myers Theodore J | Random phase multiple access system with location tracking |
US7773664B2 (en) * | 2008-03-18 | 2010-08-10 | On-Ramp Wireless, Inc. | Random phase multiple access system with meshing |
US8477830B2 (en) | 2008-03-18 | 2013-07-02 | On-Ramp Wireless, Inc. | Light monitoring system using a random phase multiple access system |
US20100195553A1 (en) * | 2008-03-18 | 2010-08-05 | Myers Theodore J | Controlling power in a spread spectrum system |
US8958460B2 (en) | 2008-03-18 | 2015-02-17 | On-Ramp Wireless, Inc. | Forward error correction media access control system |
US8363699B2 (en) | 2009-03-20 | 2013-01-29 | On-Ramp Wireless, Inc. | Random timing offset determination |
US7639726B1 (en) | 2009-03-20 | 2009-12-29 | On-Ramp Wireless, Inc. | Downlink communication |
US7702290B1 (en) | 2009-04-08 | 2010-04-20 | On-Ramp Wirless, Inc. | Dynamic energy control |
US8483665B2 (en) * | 2011-03-31 | 2013-07-09 | Matthew R. Kissinger | Mobile device featuring sensor responsive re-notifications |
US8861416B2 (en) * | 2012-06-14 | 2014-10-14 | Qualcomm Incorporated | Power savings for inter-radio access technology measurement |
CN104158560B (zh) * | 2014-08-27 | 2017-01-18 | 苏州芸芮懿电子科技有限公司 | 一种突发扩频信号的快速捕获方法 |
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JP2002519887A (ja) | 1998-06-23 | 2002-07-02 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 異なったチップ・シーケンスの格納及びアクセスのための方法及び装置 |
US6331998B1 (en) * | 1998-08-28 | 2001-12-18 | Industrial Technology Research Institute | Partially matched filter for spread spectrum communication |
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US6363060B1 (en) * | 1999-06-30 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for fast WCDMA acquisition |
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-
2000
- 2000-04-25 US US09/558,121 patent/US7085246B1/en not_active Expired - Fee Related
- 2000-05-10 CN CNB008077320A patent/CN1154259C/zh not_active Expired - Fee Related
- 2000-05-10 JP JP2000619132A patent/JP4499301B2/ja not_active Expired - Fee Related
- 2000-05-10 ES ES00935889T patent/ES2254181T3/es not_active Expired - Lifetime
- 2000-05-10 MX MXPA01011812A patent/MXPA01011812A/es active IP Right Grant
- 2000-05-10 DE DE60024814T patent/DE60024814T2/de not_active Expired - Lifetime
- 2000-05-10 KR KR10-2001-7014736A patent/KR100453474B1/ko active IP Right Grant
- 2000-05-10 EP EP00935889A patent/EP1183795B1/de not_active Expired - Lifetime
- 2000-05-10 WO PCT/US2000/012674 patent/WO2000070792A1/en active IP Right Grant
- 2000-05-10 AU AU51284/00A patent/AU5128400A/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114039623A (zh) * | 2021-10-22 | 2022-02-11 | 中国电子科技集团公司第五十四研究所 | 一种低载噪比的短突发扩频信号跟踪方法 |
CN114039623B (zh) * | 2021-10-22 | 2023-05-19 | 中国电子科技集团公司第五十四研究所 | 一种低载噪比的短突发扩频信号跟踪方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2000070792A1 (en) | 2000-11-23 |
EP1183795A4 (de) | 2003-05-14 |
JP4499301B2 (ja) | 2010-07-07 |
MXPA01011812A (es) | 2002-06-21 |
US7085246B1 (en) | 2006-08-01 |
EP1183795A1 (de) | 2002-03-06 |
JP2003500892A (ja) | 2003-01-07 |
KR20020010665A (ko) | 2002-02-04 |
EP1183795B1 (de) | 2005-12-14 |
ES2254181T3 (es) | 2006-06-16 |
CN1154259C (zh) | 2004-06-16 |
CN1352833A (zh) | 2002-06-05 |
KR100453474B1 (ko) | 2004-10-20 |
DE60024814T2 (de) | 2006-08-24 |
AU5128400A (en) | 2000-12-05 |
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Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US |