JP2007525101A5 - - Google Patents

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Publication number
JP2007525101A5
JP2007525101A5 JP2006517838A JP2006517838A JP2007525101A5 JP 2007525101 A5 JP2007525101 A5 JP 2007525101A5 JP 2006517838 A JP2006517838 A JP 2006517838A JP 2006517838 A JP2006517838 A JP 2006517838A JP 2007525101 A5 JP2007525101 A5 JP 2007525101A5
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JP
Japan
Prior art keywords
signal
correlation
correlator
real
imaginary
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JP2006517838A
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English (en)
Japanese (ja)
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JP2007525101A (ja
JP4664286B2 (ja
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Priority claimed from US10/612,310 external-priority patent/US7684472B2/en
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Publication of JP2007525101A publication Critical patent/JP2007525101A/ja
Publication of JP2007525101A5 publication Critical patent/JP2007525101A5/ja
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Publication of JP4664286B2 publication Critical patent/JP4664286B2/ja
Anticipated expiration legal-status Critical
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JP2006517838A 2003-07-02 2004-07-01 Ｃｄｍａ受信機、受信信号の相関をとるための装置及び方法 Expired - Fee Related JP4664286B2 (ja)

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
PCT/US2004/021304 WO2005002312A2 (en) 2003-07-02 2004-07-01 Method and apparatus for frequency-robust detection of a wideband code division multiple access secondary synchronization channel

Publications (3)

Publication Number Publication Date
JP2007525101A JP2007525101A (ja) 2007-08-30
JP2007525101A5 true JP2007525101A5 (enExample) 2009-01-15
JP4664286B2 JP4664286B2 (ja) 2011-04-06

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ID=33552489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006517838A Expired - Fee Related JP4664286B2 (ja) 2003-07-02 2004-07-01 Ｃｄｍａ受信機、受信信号の相関をとるための装置及び方法

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)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1836776A1 (en) * 2005-01-14 2007-09-26 Thomson Licensing Ram-based scrambling code generator for cdma
US8059776B2 (en) 2005-01-14 2011-11-15 Thomson Licensing Method and system for sub-chip resolution for secondary cell search
BRPI0519320A2 (pt) * 2005-01-14 2009-01-13 Thomson Licensing hardware pesquisador para realizar uma determinaÇço de càdigo de misturaÇço
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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