HK1039696A1 - User terminal parallel searcher - Google Patents

User terminal parallel searcher

Info

Publication number
HK1039696A1
HK1039696A1 HK01109231A HK01109231A HK1039696A1 HK 1039696 A1 HK1039696 A1 HK 1039696A1 HK 01109231 A HK01109231 A HK 01109231A HK 01109231 A HK01109231 A HK 01109231A HK 1039696 A1 HK1039696 A1 HK 1039696A1
Authority
HK
Hong Kong
Prior art keywords
produce
user terminal
coherent sums
pseudonoise
terminal parallel
Prior art date
Application number
HK01109231A
Other languages
English (en)
Inventor
Brian Harms
Sherman Gregory
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
Publication of HK1039696A1 publication Critical patent/HK1039696A1/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Sewing Machines And Sewing (AREA)
  • Eye Examination Apparatus (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
HK01109231A 1998-09-09 2001-12-31 User terminal parallel searcher HK1039696A1 (en)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
HK1039696A1 true HK1039696A1 (en) 2002-05-03

Family

ID=26796309

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01109231A HK1039696A1 (en) 1998-09-09 2001-12-31 User terminal parallel searcher

Country Status (7)

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

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
WO2002013400A2 (en) 2000-08-03 2002-02-14 Morphics Technology, Inc. Flexible preamble processing
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
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
US7526013B1 (en) * 2008-03-18 2009-04-28 On-Ramp Wireless, Inc. Tag communications with access point
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
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
US7773664B2 (en) * 2008-03-18 2010-08-10 On-Ramp Wireless, Inc. Random phase multiple access system with meshing
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

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Publication number Priority date Publication date Assignee Title
EP0721703B1 (en) * 1994-07-29 2004-09-22 QUALCOMM Incorporated 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
US5872774A (en) * 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
US6307840B1 (en) * 1997-09-19 2001-10-23 Qualcomm Incorporated Mobile station assisted timing synchronization in CDMA communication system
ATE450084T1 (de) * 1997-10-10 2009-12-15 Qualcomm Inc Mehrlagige pn-kodespreizung in einem mehrbenutzerkommunikationssystem
EP0945992A1 (en) 1998-03-27 1999-09-29 TTP Communications Limited CDMA array processor
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
US20040264554A1 (en) 2004-12-30
US6765953B1 (en) 2004-07-20
ATE302507T1 (de) 2005-09-15
DE69926767T2 (de) 2006-06-29
DE69926767D1 (de) 2005-09-22
WO2000014893A1 (en) 2000-03-16
EP1112622B1 (en) 2005-08-17
AU5816299A (en) 2000-03-27
EP1112622A1 (en) 2001-07-04

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110908