KR101017547B1 - 게이트된 파일럿의 획득 - Google Patents

게이트된 파일럿의 획득 Download PDF

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Publication number
KR101017547B1
KR101017547B1 KR1020047002012A KR20047002012A KR101017547B1 KR 101017547 B1 KR101017547 B1 KR 101017547B1 KR 1020047002012 A KR1020047002012 A KR 1020047002012A KR 20047002012 A KR20047002012 A KR 20047002012A KR 101017547 B1 KR101017547 B1 KR 101017547B1
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KR
South Korea
Prior art keywords
gated pilot
pilot signal
bit sequence
signal
received signal
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Expired - Fee Related
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KR1020047002012A
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English (en)
Korean (ko)
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KR20040017859A (ko
Inventor
조시애바이에이
뉴펠드아서제임스
Original Assignee
퀄컴 인코포레이티드
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    • 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
    • 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
    • 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
    • H04B1/70735—Code identification
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Burglar Alarm Systems (AREA)
KR1020047002012A 2001-08-09 2002-08-08 게이트된 파일럿의 획득 Expired - Fee Related KR101017547B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/927,869 US6795489B2 (en) 2001-08-09 2001-08-09 Acquisition of a gated pilot
US09/927,869 2001-08-09
PCT/US2002/025470 WO2003015307A2 (en) 2001-08-09 2002-08-08 Acquisition of a gated pilot

Publications (2)

Publication Number Publication Date
KR20040017859A KR20040017859A (ko) 2004-02-27
KR101017547B1 true KR101017547B1 (ko) 2011-02-28

Family

ID=25455382

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020047002012A Expired - Fee Related KR101017547B1 (ko) 2001-08-09 2002-08-08 게이트된 파일럿의 획득

Country Status (9)

Country Link
US (2) US6795489B2 (enExample)
EP (1) EP1425862B1 (enExample)
JP (2) JP4184267B2 (enExample)
KR (1) KR101017547B1 (enExample)
CN (1) CN1539209A (enExample)
AT (1) ATE386371T1 (enExample)
DE (1) DE60225025T2 (enExample)
TW (1) TW576059B (enExample)
WO (1) WO2003015307A2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6813478B2 (en) * 2001-02-12 2004-11-02 Qualcomm Inc Method and apparatus for searching a gated pilot
US6795489B2 (en) * 2001-08-09 2004-09-21 Qualcomm Inc. Acquisition of a gated pilot
US20040071199A1 (en) * 2002-07-03 2004-04-15 Commasic, Inc. Virtual finger method and apparatus for processing digital communication signals
US7760765B2 (en) * 2003-05-31 2010-07-20 Qualcomm, Incorporated System and method for the reacquisition of a gated pilot
US7092353B2 (en) * 2003-10-17 2006-08-15 Qualcomm Incorporated Carrier search methods and apparatus
KR100560386B1 (ko) * 2003-12-17 2006-03-13 한국전자통신연구원 무선 통신 시스템의 상향 링크에서 코히어런트 검출을위한 직교주파수 분할 다중 접속 방식의 송수신 장치 및그 방법
US8068530B2 (en) 2004-06-18 2011-11-29 Qualcomm Incorporated Signal acquisition in a wireless communication system
US8738056B2 (en) * 2006-05-22 2014-05-27 Qualcomm Incorporation Signal acquisition in a wireless communication system
US8929353B2 (en) * 2007-05-09 2015-01-06 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system
CN101467413B (zh) * 2006-06-13 2013-08-21 高通股份有限公司 用于在无线通信系统中发送和接收导频的方法和装置
JP2009166550A (ja) 2008-01-11 2009-07-30 Mitsubishi Electric Corp 車載機器遠隔制御システムおよび車載機器遠隔制御方法
US8165099B2 (en) * 2008-12-18 2012-04-24 Telefonaktiebolaget Lm Ericsson Continuous packet connectivity (CPC) scheduler
US8625572B2 (en) * 2008-12-19 2014-01-07 Nokia Corporation Synchronization indication in networks
US10097259B2 (en) 2014-12-31 2018-10-09 Hughes Network Systems, Llc Satellite receiver doppler compensation using resampled satellite signals

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000047967A (ko) * 1998-12-08 2000-07-25 요트.게.아. 롤페즈 수신기, ｃｄｍａ 통신 시스템 및 수신기를 ｃｄｍａ 통신시스템의 전송 스테이션과 동기시키는 방법
WO2001017125A1 (en) * 1999-08-31 2001-03-08 Qualcomm Incorporated Method and apparatus for reducing pilot search times utilizing mobile station location information

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US5471497A (en) 1993-11-01 1995-11-28 Zehavi; Ephraim Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
ATE277458T1 (de) 1994-07-29 2004-10-15 Qualcomm Inc Verfahren und gerät zum ausführen der kodeerfassung in einem cdma übertragungssystem
JP3376224B2 (ja) 1996-10-23 2003-02-10 株式会社エヌ・ティ・ティ・ドコモ Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
US6157631A (en) 1998-01-07 2000-12-05 Motorola, Inc. Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications system
JP2911117B1 (ja) 1998-02-09 1999-06-23 株式会社ワイ・アール・ピー移動通信基盤技術研究所 Ｒａｋｅ受信機
US6229842B1 (en) 1998-07-16 2001-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive path selection threshold setting for DS-CDMA receivers
JP2000078110A (ja) 1998-08-31 2000-03-14 Mitsubishi Electric Corp Ｒａｋｅ受信機，無線受信装置およびｒａｋｅ受信機のパス検出方法
JP3320667B2 (ja) * 1998-12-21 2002-09-03 株式会社東芝 スペクトラム拡散無線通信装置
JP2000307474A (ja) 1999-04-20 2000-11-02 Advantest Corp Ｃｄｍａ通信方式の変調精度測定装置および測定方法
CN1157004C (zh) 1999-04-29 2004-07-07 三星电子株式会社 宽带码分多址通信系统中使信道同步的设备和方法
EP1214808B1 (en) 1999-05-31 2004-03-10 Samsung Electronics Co., Ltd. Apparatus and method for gated transmission in cdma communication system
US6363060B1 (en) 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
US6487415B1 (en) 1999-07-19 2002-11-26 Lucent Technologies Inc. Method for initiating call blocking based upon pilot fraction
WO2001033744A1 (en) 1999-11-03 2001-05-10 Qualcomm Incorporated Synchronized pilot reference transmission for a wireless communication system
US7065129B2 (en) * 2001-06-29 2006-06-20 Qualcomm, Inc. Acquisition of a gated pilot by avoiding partial correlation peaks
US6795489B2 (en) * 2001-08-09 2004-09-21 Qualcomm Inc. Acquisition of a gated pilot

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000047967A (ko) * 1998-12-08 2000-07-25 요트.게.아. 롤페즈 수신기, ｃｄｍａ 통신 시스템 및 수신기를 ｃｄｍａ 통신시스템의 전송 스테이션과 동기시키는 방법
WO2001017125A1 (en) * 1999-08-31 2001-03-08 Qualcomm Incorporated Method and apparatus for reducing pilot search times utilizing mobile station location information

Also Published As

Publication number Publication date
JP4184267B2 (ja) 2008-11-19
TW576059B (en) 2004-02-11
EP1425862B1 (en) 2008-02-13
KR20040017859A (ko) 2004-02-27
US20040228308A1 (en) 2004-11-18
US7602840B2 (en) 2009-10-13
WO2003015307A3 (en) 2003-08-07
JP2004538711A (ja) 2004-12-24
JP4335959B2 (ja) 2009-09-30
ATE386371T1 (de) 2008-03-15
US20030031144A1 (en) 2003-02-13
WO2003015307A2 (en) 2003-02-20
US6795489B2 (en) 2004-09-21
EP1425862A2 (en) 2004-06-09
JP2009010950A (ja) 2009-01-15
DE60225025T2 (de) 2008-09-04
CN1539209A (zh) 2004-10-20
DE60225025D1 (de) 2008-03-27

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