CN1890933A - 宽带码分多址辅同步信道的频率健壮检测方法和装置 - Google Patents

宽带码分多址辅同步信道的频率健壮检测方法和装置 Download PDF

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Publication number
CN1890933A
CN1890933A CNA2004800188725A CN200480018872A CN1890933A CN 1890933 A CN1890933 A CN 1890933A CN A2004800188725 A CNA2004800188725 A CN A2004800188725A CN 200480018872 A CN200480018872 A CN 200480018872A CN 1890933 A CN1890933 A CN 1890933A
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China
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signal
correlator
produce
characteristic
coherent
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CNA2004800188725A
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English (en)
Chinese (zh)
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路易斯·R·利特温
奥尔顿·S·基尔
高文
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THOMSON LICENSING CORP
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THOMSON LICENSING CORP
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Publication of CN1890933A publication Critical patent/CN1890933A/zh
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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
    • H04B1/709—Correlator structure
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • 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
    • H04B1/7093—Matched filter type

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
CNA2004800188725A 2003-07-02 2004-07-01 宽带码分多址辅同步信道的频率健壮检测方法和装置 Pending CN1890933A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/612,310 US7684472B2 (en) 2003-07-02 2003-07-02 Method and apparatus for frequency-robust detection of a wideband code division multiple access secondary synchronization channel
US10/612,310 2003-07-02

Publications (1)

Publication Number Publication Date
CN1890933A true CN1890933A (zh) 2007-01-03

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ID=33552489

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004800188725A Pending CN1890933A (zh) 2003-07-02 2004-07-01 宽带码分多址辅同步信道的频率健壮检测方法和装置

Country Status (8)

Country Link
US (1) US7684472B2 (enExample)
EP (1) EP1638448A4 (enExample)
JP (1) JP4664286B2 (enExample)
KR (1) KR20060025588A (enExample)
CN (1) CN1890933A (enExample)
BR (1) BRPI0412024A (enExample)
MX (1) MXPA05013953A (enExample)
WO (1) WO2005002312A2 (enExample)

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US8059776B2 (en) 2005-01-14 2011-11-15 Thomson Licensing Method and system for sub-chip resolution for secondary cell search
WO2006078233A1 (en) * 2005-01-14 2006-07-27 Thomson Licensing Ram-based scrambling code generator for cdma
US8442094B2 (en) * 2005-01-14 2013-05-14 Thomson Licensing Cell search using rake searcher to perform scrambling code determination
US8223623B2 (en) * 2005-03-28 2012-07-17 Qualcomm Incorporated Timing and frequency acquisition for OFDM systems
CN101197804B (zh) * 2006-12-04 2011-09-21 华为技术有限公司 一种同步处理方法及系统
US8457178B2 (en) * 2007-03-26 2013-06-04 Qualcomm Incorporated Frequency offset estimator
KR101512334B1 (ko) * 2008-09-09 2015-04-15 삼성전자주식회사 비동기식 이동통신 시스템에서 셀 탐색 방법 및 장치
US20100124175A1 (en) * 2008-11-14 2010-05-20 Chi-Tung Chang Apparatus and method for adaptively calculating symbolic start position
KR101507087B1 (ko) * 2009-01-07 2015-03-30 삼성전자주식회사 광대역 무선통신 시스템에서 부 동기 채널 송수신 장치 및 방법
CN102769477B (zh) * 2011-05-06 2014-08-27 普天信息技术研究院有限公司 实现小区搜索和下行同步的方法和系统
US9215622B1 (en) * 2012-07-30 2015-12-15 GoNet Systems Ltd. Method and systems for associating wireless transmission with directions-of-arrival thereof
TWI510034B (zh) * 2013-12-02 2015-11-21 Realtek Semiconductor Corp 載波頻率偏移校正方法以及機器可讀媒體
KR102341299B1 (ko) * 2015-02-11 2021-12-21 삼성전자주식회사 셀 탐색 및 주파수 옵셋 추정 방법 및 장치
CN108738123B (zh) * 2017-04-14 2020-12-25 普天信息技术有限公司 一种同步信号发送方法和装置

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US5414729A (en) * 1992-01-24 1995-05-09 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing
JP3289851B2 (ja) * 1993-06-03 2002-06-10 ソニー株式会社 無線装置
JP2741336B2 (ja) * 1993-11-26 1998-04-15 エヌ・ティ・ティ移動通信網株式会社 帯域拡散信号受信機の周波数誤差補正装置
US6526091B1 (en) * 1998-08-17 2003-02-25 Telefonaktiebolaget Lm Ericsson Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties
US6298227B1 (en) * 1998-12-22 2001-10-02 Ericsson Inc. Method and apparatus for frequency conversion for a receiver with a limited-accuracy oscillator
US6567482B1 (en) * 1999-03-05 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient synchronization in spread spectrum communications
US7039036B1 (en) * 1999-04-01 2006-05-02 Texas Instruments Incorporated Reduced complexity primary and secondary synchronization codes with good correlation properties for WCDMA
SG90052A1 (en) * 1999-05-28 2002-07-23 Oki Techno Ct Singapore Pte A cdma receiver
KR100319927B1 (ko) * 2000-01-11 2002-01-09 윤종용 비동기식 광대역 직접 시퀀스 코드분할다중접속 수신기의셀 탐색 장치 및 각 셀에 고유한 코드 획득 방법
JP2002009670A (ja) * 2000-06-23 2002-01-11 Hitachi Ltd 同期捕捉回路
JP3394530B2 (ja) * 2001-08-07 2003-04-07 松下電器産業株式会社 セルサーチ装置およびセルサーチ方法
GB2386444B (en) * 2002-03-12 2004-05-26 Toshiba Res Europ Ltd Digital correlators
US7126981B2 (en) * 2002-04-25 2006-10-24 Accton Technology Corporation Method and apparatus for cell search for W-CDMA with effect of clock offset
TWI224740B (en) * 2002-07-31 2004-12-01 Interdigital Tech Corp Start-up automatic frequency control (AFC) method and apparatus
US7315600B2 (en) * 2004-03-30 2008-01-01 Arm Limited Asynchronous FIFO apparatus and method for passing data between a first clock domain and a second clock domain and a second clock domain of a data processing apparatus

Also Published As

Publication number Publication date
EP1638448A2 (en) 2006-03-29
WO2005002312A2 (en) 2005-01-13
JP2007525101A (ja) 2007-08-30
US20050002446A1 (en) 2005-01-06
JP4664286B2 (ja) 2011-04-06
BRPI0412024A (pt) 2006-08-15
EP1638448A4 (en) 2011-09-28
WO2005002312A3 (en) 2006-05-18
MXPA05013953A (es) 2006-05-31
KR20060025588A (ko) 2006-03-21
US7684472B2 (en) 2010-03-23

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