ATE302507T1 - Endgerät mit parallelem pilotsucher - Google Patents

Endgerät mit parallelem pilotsucher

Info

Publication number
ATE302507T1
ATE302507T1 AT99945587T AT99945587T ATE302507T1 AT E302507 T1 ATE302507 T1 AT E302507T1 AT 99945587 T AT99945587 T AT 99945587T AT 99945587 T AT99945587 T AT 99945587T AT E302507 T1 ATE302507 T1 AT E302507T1
Authority
AT
Austria
Prior art keywords
produce
viewfinder
terminal
coherent sums
pseudonoise
Prior art date
Application number
AT99945587T
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
Application granted granted Critical
Publication of ATE302507T1 publication Critical patent/ATE302507T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/708Parallel implementation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70756Jumping within the code, i.e. masking or slewing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701Orthogonal 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)
  • Sewing Machines And Sewing (AREA)
  • Eye Examination Apparatus (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT99945587T 1998-09-09 1999-09-08 Endgerät mit parallelem pilotsucher ATE302507T1 (de)

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
ATE302507T1 true ATE302507T1 (de) 2005-09-15

Family

ID=26796309

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99945587T ATE302507T1 (de) 1998-09-09 1999-09-08 Endgerät mit parallelem pilotsucher

Country Status (6)

Country Link
US (2) US6765953B1 (de)
EP (1) EP1112622B1 (de)
AT (1) ATE302507T1 (de)
AU (1) AU5816299A (de)
DE (1) DE69926767T2 (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
US6694496B2 (en) 2000-08-03 2004-02-17 Morphics Technology, Inc. Flexible preamble processing for detecting a code sequence
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
US7733945B2 (en) * 2008-03-18 2010-06-08 On-Ramp Wireless, Inc. Spread spectrum with doppler optimization
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
US7782926B2 (en) * 2008-03-18 2010-08-24 On-Ramp Wireless, Inc. Random phase multiple access communication interface system and method
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
US20100195553A1 (en) 2008-03-18 2010-08-05 Myers Theodore J Controlling power in a spread spectrum 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
AU687228B2 (en) * 1994-07-29 1998-02-19 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
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
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
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
JP4386574B2 (ja) * 1997-10-10 2009-12-16 クゥアルコム・インコーポレイテッド マルチユーザ通信システムにおけるマルチレイヤードpnコード拡散
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
WO2000014893A1 (en) 2000-03-16
HK1039696A1 (en) 2002-05-03
AU5816299A (en) 2000-03-27
EP1112622A1 (de) 2001-07-04
EP1112622B1 (de) 2005-08-17
DE69926767D1 (de) 2005-09-22
US20040264554A1 (en) 2004-12-30
DE69926767T2 (de) 2006-06-29
US6765953B1 (en) 2004-07-20

Similar Documents

Publication Publication Date Title
ATE302507T1 (de) Endgerät mit parallelem pilotsucher
AR019090A2 (es) CORRELACIONADOR Y METODO PARA PROCESAR UNA SENAL DE COMUNICACIONES DE ESPECTRO ENSANCHADO DE SECUENCIA DIRECTA DE MuLTIPLES CANALES RECIBIDOS PARA REALIZAR LA ELIMINACIoN DE SECUENCIA COMPLEJA DE COMPONENTES MuLTIPLES.
DE60225187D1 (de) Verfahren zur unterscheidung von sichtlinien (los) von nicht-sichtlinien (nlos) in einem cdma-mobilkommunikationssystem
SE9702890D0 (sv) CDMA synchronous acquisitiion circuit
ATE353531T1 (de) Verfahren zum berechnen der echten schleifenlaufzeit und des aufenthaltsortes einer teilnehmereinrichtung in wcdma/utran
EP2267912A3 (de) Vorrichtung, Verfahren und Computerprogrammprodukt zur Detektion einer nichtsynchronisierten Direktzugriffskanal-Präambel
ATE279053T1 (de) Synchronisations- und zellsuchverfahren und - vorrichtung für drahtlose kommunikation
FI970276A0 (fi) Järjestelmä ja menetelmä hajaspektritekniikassa käytettävää häiriönpoistopiiriä varten
DK0924532T3 (da) Fremgangsmåde og apparat til modtagelse af GPS/GLONASS-signaler
DK0941487T3 (da) Fremgangsmåde og apparat til bestemmelse af tid for GPS-modtagere
WO2003017503A3 (en) Spread spectrum receiver architectures and methods therefor
CA2184184A1 (en) Apparatus and Method for Establishing Acquisition of Spreading Code in CDMA Transmission System
ATE450084T1 (de) Mehrlagige pn-kodespreizung in einem mehrbenutzerkommunikationssystem
EP1819065A3 (de) Vorrichtung und Verfahren zur Messung der Kommunikationsqualität in einem CDMA-System
MY122627A (en) Apparatus and methods for receiving information using variable length accumulation searchers
DE602004028747D1 (de) Verfahren zum zählen von objekten in einer überwachten umgebung und vorrichtung dafür
DE69942353D1 (de) Empfangsvorrichtung und Synchronisationsverfahren für ein digitales Nachrichtenübertragungssystem
NO20013839L (no) Fremgangsmåte og apparat for tidsforskjövet signalfölging ("time tracking")
DE60124808D1 (de) Verfahren zum Erfassen der Synchronisation eines Zeitschlitzes in einem Direkt-Sequenz-Spreizspektrum-Kommunikationsempfänger
DE60029832D1 (de) Empfänger für ein spreizspektrumsystem
DE69932048D1 (de) Verfahren zum messen der signalzeiteinstellung sowie funksystem
EP1139579A3 (de) Kodesynchronisation in einer Empfangsvorrichtung für Spreizspektrumkommunikationssysteme
BRPI0502536A (pt) aparelho para detectar um desvio de freqüencia de portadora em sistema receptor digital e processo do mesmo
FR2873452B1 (fr) Procede d'estimation de depointage a partir de signaux a spectre etale et dispositif associe
ATE550679T1 (de) Verfahren und anordnungen in einem mobiltelekommunikationsnetz

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties