DE60027270T2 - Verfahren und Gerät zur Zeitnachführung - Google Patents

Verfahren und Gerät zur Zeitnachführung Download PDF

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Publication number
DE60027270T2
DE60027270T2 DE60027270T DE60027270T DE60027270T2 DE 60027270 T2 DE60027270 T2 DE 60027270T2 DE 60027270 T DE60027270 T DE 60027270T DE 60027270 T DE60027270 T DE 60027270T DE 60027270 T2 DE60027270 T2 DE 60027270T2
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DE
Germany
Prior art keywords
version
early
late
estimate
energy
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
DE60027270T
Other languages
German (de)
English (en)
Other versions
DE60027270D1 (de
Inventor
A. Jeffrey San Diego LEVIN
C. Christopher San Diego RIDDLE
Tom San Diego SHERMAN
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 DE60027270D1 publication Critical patent/DE60027270D1/de
Publication of DE60027270T2 publication Critical patent/DE60027270T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04B1/06—Receivers
    • 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Radio Transmission System (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Circuits Of Receivers In General (AREA)
  • Burglar Alarm Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processing Of Meat And Fish (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DE60027270T 1999-02-08 2000-02-08 Verfahren und Gerät zur Zeitnachführung Expired - Lifetime DE60027270T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/246,446 US6229839B1 (en) 1999-02-08 1999-02-08 Method and apparatus for time tracking
US246446 1999-02-08
PCT/US2000/003259 WO2000046935A1 (en) 1999-02-08 2000-02-08 Method and apparatus for time tracking

Publications (2)

Publication Number Publication Date
DE60027270D1 DE60027270D1 (de) 2006-05-24
DE60027270T2 true DE60027270T2 (de) 2007-04-12

Family

ID=22930727

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60027270T Expired - Lifetime DE60027270T2 (de) 1999-02-08 2000-02-08 Verfahren und Gerät zur Zeitnachführung

Country Status (19)

Country Link
US (2) US6229839B1 (https=)
EP (1) EP1151547B1 (https=)
JP (1) JP4307740B2 (https=)
KR (1) KR100731943B1 (https=)
CN (1) CN1148890C (https=)
AT (1) ATE323342T1 (https=)
AU (1) AU761489B2 (https=)
BR (1) BR0008077A (https=)
CA (1) CA2362057A1 (https=)
DE (1) DE60027270T2 (https=)
ES (1) ES2260000T3 (https=)
HK (1) HK1041988B (https=)
HU (1) HU224301B1 (https=)
ID (1) ID30486A (https=)
IL (2) IL144602A0 (https=)
MX (1) MXPA01008012A (https=)
NO (1) NO323718B1 (https=)
PL (1) PL197736B1 (https=)
WO (1) WO2000046935A1 (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229839B1 (en) * 1999-02-08 2001-05-08 Qualcomm Incorporated Method and apparatus for time tracking
US6628702B1 (en) 2000-06-14 2003-09-30 Qualcomm, Incorporated Method and apparatus for demodulating signals processed in a transmit diversity mode
US6459883B2 (en) * 2000-07-31 2002-10-01 Morphics Technology, Inc. Generic finger architecture for spread spectrum applications
FI113921B (fi) * 2000-10-30 2004-06-30 Nokia Corp Vastaanotin, vastaanottomenetelmä, tietokoneohjelma ja tietokoneen muistiväline
US7133435B2 (en) * 2001-06-20 2006-11-07 Texas Instruments Incorporated Interference cancellation system and method
US7231000B2 (en) 2001-10-22 2007-06-12 Broadcom Corporation System and method for DC offset compensation and bit synchronization
FI20012475A0 (fi) * 2001-12-14 2001-12-14 Nokia Corp Tiedonsiirtomenetelmä ja vastaanotin
US7106784B2 (en) * 2002-01-25 2006-09-12 Sasken Communication Technologies Limited Universal rake receiver
US7272167B2 (en) * 2002-02-06 2007-09-18 Neoreach, Inc. PN code chip time tracking with smart antenna
JP2007513561A (ja) * 2003-12-04 2007-05-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ レーク受信器を有する端末
US8675631B2 (en) * 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
US20100157833A1 (en) * 2005-03-10 2010-06-24 Qualcomm Incorporated Methods and systems for improved timing acquisition for varying channel conditions
US20060221810A1 (en) * 2005-03-10 2006-10-05 Bojan Vrcelj Fine timing acquisition
US8144824B2 (en) * 2005-03-10 2012-03-27 Qualcomm Incorporated Trend influenced time tracking
US7623607B2 (en) * 2005-10-31 2009-11-24 Qualcomm Incorporated Methods and apparatus for determining timing in a wireless communication system
US8948329B2 (en) * 2005-12-15 2015-02-03 Qualcomm Incorporated Apparatus and methods for timing recovery in a wireless transceiver
US8144818B2 (en) * 2005-12-15 2012-03-27 Qualcomm Incorporated Apparatus and methods for determining timing in a communication system
US8126031B2 (en) 2007-08-07 2012-02-28 Qualcomm Incorporated Time-tracking management of demodulation elements in a receive diversity enabled rake receiver
US8711470B2 (en) 2010-11-14 2014-04-29 Kla-Tencor Corporation High damage threshold frequency conversion system
US9264180B2 (en) * 2011-12-21 2016-02-16 Telefonaktiebolaget L M Ericsson (Publ) Method, network node, computer program and computer program product for decoding a signal

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189733A (en) * 1978-12-08 1980-02-19 Northrop Corporation Adaptive electronically steerable phased array
GB2281482B (en) * 1993-08-26 1997-10-22 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
JPH0955715A (ja) * 1995-08-11 1997-02-25 Toshiba Corp スペクトル拡散無線通信装置
JP2924730B2 (ja) * 1995-09-13 1999-07-26 日本電気株式会社 信号受信方法
SE504622C2 (sv) * 1996-02-02 1997-03-17 Ericsson Telefon Ab L M Metod och anordning för spårning av signaler samt en RAKE- mottagare som utnyttjar sagda anordning
JP2820918B2 (ja) * 1996-03-08 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトル拡散通信装置
JP3575649B2 (ja) * 1996-04-02 2004-10-13 ソニー株式会社 パイロツト信号検出方法、パイロツト信号検出装置及び受信装置
US6026115A (en) * 1996-08-23 2000-02-15 Ntt Mobile Communications Network, Inc. Rake receiver
JP3702562B2 (ja) * 1997-01-14 2005-10-05 ソニー株式会社 無線システムの端子装置
US6112311A (en) * 1998-02-20 2000-08-29 International Business Machines Corporation Bridge failover system
US6229839B1 (en) * 1999-02-08 2001-05-08 Qualcomm Incorporated Method and apparatus for time tracking

Also Published As

Publication number Publication date
JP4307740B2 (ja) 2009-08-05
ID30486A (id) 2001-12-13
KR100731943B1 (ko) 2007-06-25
HUP0200122A2 (en) 2002-04-29
NO20013839D0 (no) 2001-08-07
US20020024991A1 (en) 2002-02-28
ATE323342T1 (de) 2006-04-15
NO323718B1 (no) 2007-06-25
EP1151547B1 (en) 2006-04-12
HU224301B1 (hu) 2005-07-28
PL197736B1 (pl) 2008-04-30
AU761489B2 (en) 2003-06-05
KR20010101786A (ko) 2001-11-14
DE60027270D1 (de) 2006-05-24
CN1148890C (zh) 2004-05-05
CN1340248A (zh) 2002-03-13
MXPA01008012A (es) 2002-04-10
US6229839B1 (en) 2001-05-08
NO20013839L (no) 2001-10-05
IL144602A (en) 2007-02-11
EP1151547A1 (en) 2001-11-07
WO2000046935A1 (en) 2000-08-10
HK1041988A1 (en) 2002-07-26
JP2002536907A (ja) 2002-10-29
IL144602A0 (en) 2002-05-23
BR0008077A (pt) 2002-04-23
AU2875100A (en) 2000-08-25
HK1041988B (zh) 2005-03-04
ES2260000T3 (es) 2006-11-01
PL349809A1 (en) 2002-09-09
CA2362057A1 (en) 2000-08-10

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