DE69926767D1 - Endgerät mit parallelem pilotsucher - Google Patents

Endgerät mit parallelem pilotsucher

Info

Publication number
DE69926767D1
DE69926767D1 DE69926767T DE69926767T DE69926767D1 DE 69926767 D1 DE69926767 D1 DE 69926767D1 DE 69926767 T DE69926767 T DE 69926767T DE 69926767 T DE69926767 T DE 69926767T DE 69926767 D1 DE69926767 D1 DE 69926767D1
Authority
DE
Germany
Prior art keywords
produce
coherent sums
end device
pseudonoise
parallel pilot
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
DE69926767T
Other languages
English (en)
Other versions
DE69926767T2 (de
Inventor
Brian Harms
Sherman Gregory
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69926767D1 publication Critical patent/DE69926767D1/de
Publication of DE69926767T2 publication Critical patent/DE69926767T2/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
    • H04B1/708—Parallel implementation
    • 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
    • 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
DE69926767T 1998-09-09 1999-09-08 Endgerät mit parallelem pilotsucher Expired - Lifetime DE69926767T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9963998P 1998-09-09 1998-09-09
US99639P 1998-09-09
US09/390,453 US6765953B1 (en) 1998-09-09 1999-09-07 User terminal parallel searcher
US390453 1999-09-07
PCT/US1999/020566 WO2000014893A1 (en) 1998-09-09 1999-09-08 User terminal parallel searcher

Publications (2)

Publication Number Publication Date
DE69926767D1 true DE69926767D1 (de) 2005-09-22
DE69926767T2 DE69926767T2 (de) 2006-06-29

Family

ID=26796309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926767T Expired - Lifetime DE69926767T2 (de) 1998-09-09 1999-09-08 Endgerät mit parallelem pilotsucher

Country Status (7)

Country Link
US (2) US6765953B1 (de)
EP (1) EP1112622B1 (de)
AT (1) ATE302507T1 (de)
AU (1) AU5816299A (de)
DE (1) DE69926767T2 (de)
HK (1) HK1039696A1 (de)
WO (1) WO2000014893A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6765953B1 (en) * 1998-09-09 2004-07-20 Qualcomm Incorporated User terminal parallel searcher
US7233627B2 (en) * 2000-02-23 2007-06-19 Ipr Licensing, Inc. Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter
EP1320936B1 (de) 2000-08-03 2014-04-02 Intel Mobile Communications GmbH Flexible präamble-verarbeitung
US7180873B1 (en) * 2000-10-06 2007-02-20 Globalstar, Inc. Spread spectrum code division destination access (SS-CDDA) for satellite communication system with distributed gateways
KR100426621B1 (ko) * 2001-12-20 2004-04-13 한국전자통신연구원 단말기의 프리엠블 신호를 탐색하는 작은 창 프리엠블탐색 장치 및 그 방법
JP3876893B2 (ja) * 2004-05-14 2007-02-07 セイコーエプソン株式会社 端末装置、測位方法、端末装置の制御プログラム、端末装置の制御プログラムを記録したコンピュータ読み取り可能な記録媒体
KR100608109B1 (ko) * 2004-06-28 2006-08-02 삼성전자주식회사 이동통신 시스템에서 도플러 주파수 및 단말기의 이동속도 계산 장치 및 방법
US20060268720A1 (en) * 2005-05-26 2006-11-30 Zhigang Rong Method and apparatus for providing acknowledgement signaling in a multi-carrier communication system
US8121238B2 (en) * 2006-06-30 2012-02-21 Csr Technology Inc. System and method for synchronizing digital bits in a data stream
US7602834B1 (en) * 2006-09-28 2009-10-13 L-3 Communications, Corp. System and method for determining a fine frequency offset of a received signal
FR2928794A1 (fr) * 2008-03-17 2009-09-18 Eutelsat Sa Reseau de telecommunication
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
US20100195553A1 (en) * 2008-03-18 2010-08-05 Myers Theodore J Controlling power in a spread spectrum system
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
US20090239550A1 (en) * 2008-03-18 2009-09-24 Myers Theodore J Random phase multiple access system with location tracking
US7733945B2 (en) * 2008-03-18 2010-06-08 On-Ramp Wireless, Inc. Spread spectrum with doppler optimization
US7593452B1 (en) * 2008-03-18 2009-09-22 On-Ramp Wireless, Inc. Despreading spread spectrum data
US8958460B2 (en) * 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US8228971B2 (en) 2008-07-29 2012-07-24 Agere Systems Inc. Technique for searching for a preamble signal in a spread spectrum signal using a fast Hadamard transform
DE102008048986B4 (de) * 2008-09-25 2019-03-14 Atmel Corp. Antennenverstärker und Empfangssystem
US8363699B2 (en) 2009-03-20 2013-01-29 On-Ramp Wireless, Inc. Random timing offset determination
US11871332B2 (en) * 2018-11-01 2024-01-09 Telefonaktiebolaget Lm Ericsson (Publ) Methods for tracking area management for moving RAN

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2172370C (en) * 1994-07-29 2008-03-18 Todd R. Sutton Method and apparatus for performing code acquisition in a cdma communications system
US5671221A (en) * 1995-06-14 1997-09-23 Sharp Microelectronics Technology, Inc. Receiving method and apparatus for use in a spread-spectrum communication system
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5577025A (en) 1995-06-30 1996-11-19 Qualcomm Incorporated Signal acquisition in a multi-user communication system using multiple walsh channels
JP3371310B2 (ja) * 1995-06-30 2003-01-27 ソニー株式会社 Ｗａｌｓｈ符号発生装置、信号送信装置及び信号受信装置
JP3212238B2 (ja) * 1995-08-10 2001-09-25 株式会社日立製作所 移動通信システムおよび移動端末装置
US5897605A (en) * 1996-03-15 1999-04-27 Sirf Technology, Inc. Spread spectrum receiver with fast signal reacquisition
KR0173904B1 (ko) * 1996-04-04 1999-04-01 서정욱 직접 확산 부호 분할 다중 접속 시스템용 레이크수신장치
JP3323067B2 (ja) * 1996-07-12 2002-09-09 沖電気工業株式会社 Ｃｄｍａ受信装置
JP3323760B2 (ja) * 1996-11-07 2002-09-09 株式会社日立製作所 スペクトラム拡散通信システム
JPH1141141A (ja) * 1997-05-21 1999-02-12 Mitsubishi Electric Corp スペクトル拡散信号受信方法及びスペクトル拡散信号受信装置
US5867525A (en) * 1997-06-10 1999-02-02 L-3 Commuications Corporation Synchronizer and method therefor and communications system incorporating same
US6307840B1 (en) * 1997-09-19 2001-10-23 Qualcomm Incorporated Mobile station assisted timing synchronization in CDMA communication system
US5872774A (en) * 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
DE69841326D1 (de) * 1997-10-10 2010-01-07 Qualcomm Inc Mehrlagige pn-kodespreizung in einem mehrbenutzerkommunikationssystem
EP0945992A1 (de) 1998-03-27 1999-09-29 TTP Communications Limited CDMA-Gatterprozessor
US6370397B1 (en) * 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
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
US6765953B1 (en) * 1998-09-09 2004-07-20 Qualcomm Incorporated User terminal parallel searcher
US6625197B1 (en) * 1998-10-27 2003-09-23 Qualcomm Incorporated Method and apparatus for multipath demodulation in a code division multiple access communication system
US7317753B2 (en) * 2002-07-11 2008-01-08 Yang George L Dynamic matched filter bank and its application in multi-channel spread spectrum communication systems

Also Published As

Publication number Publication date
EP1112622B1 (de) 2005-08-17
DE69926767T2 (de) 2006-06-29
US6765953B1 (en) 2004-07-20
US20040264554A1 (en) 2004-12-30
HK1039696A1 (en) 2002-05-03
ATE302507T1 (de) 2005-09-15
AU5816299A (en) 2000-03-27
EP1112622A1 (de) 2001-07-04
WO2000014893A1 (en) 2000-03-16

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