RU2283537C2 - Способ и устройство для второго этапа поиска в системе ш-мдкр - Google Patents

Способ и устройство для второго этапа поиска в системе ш-мдкр Download PDF

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RU2283537C2
RU2283537C2 RU2004111661/09A RU2004111661A RU2283537C2 RU 2283537 C2 RU2283537 C2 RU 2283537C2 RU 2004111661/09 A RU2004111661/09 A RU 2004111661/09A RU 2004111661 A RU2004111661 A RU 2004111661A RU 2283537 C2 RU2283537 C2 RU 2283537C2
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Russia
Prior art keywords
sub
sequence
code
correlation
receiving
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RU2004111661/09A
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English (en)
Russian (ru)
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RU2004111661A (ru
Inventor
Субраманиа П. РАО (US)
Субраманиа П. РАО
Сиварама ВЕНКАТЕСАН (US)
Сиварама ВЕНКАТЕСАН
Гванг-Хиун ГО (US)
Гванг-Хиун ГО
Авниш АГРАВАЛ (US)
Авниш АГРАВАЛ
Дайсуке ТЕРАСАВА (US)
Дайсуке ТЕРАСАВА
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Квэлкомм Инкорпорейтед
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Publication of RU2004111661A publication Critical patent/RU2004111661A/ru
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Publication of RU2283537C2 publication Critical patent/RU2283537C2/ru

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    • 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
    • H04B1/7077Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • H04B1/70735Code identification
    • 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
    • H04B1/7083Cell search, e.g. using a three-step approach
    • 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
    • H04B1/709Correlator structure
    • H04B1/7093Matched filter type
    • 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
    • H04B1/70751Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752Partial correlation
    • 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
    • H04B1/709Correlator structure
    • 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
    • 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
    • H04B2201/70707Efficiency-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)
RU2004111661/09A 2001-09-19 2002-09-19 Способ и устройство для второго этапа поиска в системе ш-мдкр RU2283537C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/957,377 2001-09-19
US09/957,377 US6768768B2 (en) 2001-09-19 2001-09-19 Method and apparatus for step two W-CDMA searching

Publications (2)

Publication Number Publication Date
RU2004111661A RU2004111661A (ru) 2005-11-20
RU2283537C2 true RU2283537C2 (ru) 2006-09-10

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Family Applications (1)

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RU2004111661/09A RU2283537C2 (ru) 2001-09-19 2002-09-19 Способ и устройство для второго этапа поиска в системе ш-мдкр

Country Status (7)

Country Link
US (1) US6768768B2 (https=)
EP (1) EP1428325A2 (https=)
JP (1) JP4295102B2 (https=)
AU (1) AU2002325056A1 (https=)
CA (1) CA2460957A1 (https=)
RU (1) RU2283537C2 (https=)
WO (1) WO2003026147A2 (https=)

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RU2439796C2 (ru) * 2007-06-05 2012-01-10 Квэлкомм Инкорпорейтед Преобразование псевдослучайной последовательности в беспроводной связи
RU2452120C2 (ru) * 2007-10-10 2012-05-27 Квэлкомм Инкорпорейтед Эффективные схемы идентификации системы для систем связи
US9119132B2 (en) 2007-10-10 2015-08-25 Qualcomm Incorporated Efficient system identification schemes for communication systems

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US6836839B2 (en) 2001-03-22 2004-12-28 Quicksilver Technology, Inc. Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements
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US7962716B2 (en) 2001-03-22 2011-06-14 Qst Holdings, Inc. Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements
US7400668B2 (en) 2001-03-22 2008-07-15 Qst Holdings, Llc Method and system for implementing a system acquisition function for use with a communication device
US6577678B2 (en) 2001-05-08 2003-06-10 Quicksilver Technology Method and system for reconfigurable channel coding
US6894995B2 (en) * 2001-06-22 2005-05-17 Interdigital Technology Corporation Apparatus and method for performing initial cell search in wireless communication systems
KR100762602B1 (ko) * 2001-10-08 2007-10-01 삼성전자주식회사 부호분할다중접속 이동통신시스템에서 기준 타이밍생성장치 및 방법
US7756085B2 (en) * 2001-11-20 2010-07-13 Qualcomm Incorporated Steps one and three W-CDMA and multi-mode searching
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US6986021B2 (en) 2001-11-30 2006-01-10 Quick Silver Technology, Inc. Apparatus, method, system and executable module for configuration and operation of adaptive integrated circuitry having fixed, application specific computational elements
US8412915B2 (en) 2001-11-30 2013-04-02 Altera Corporation Apparatus, system and method for configuration of adaptive integrated circuitry having heterogeneous computational elements
US7602740B2 (en) 2001-12-10 2009-10-13 Qst Holdings, Inc. System for adapting device standards after manufacture
US7215701B2 (en) 2001-12-12 2007-05-08 Sharad Sambhwani Low I/O bandwidth method and system for implementing detection and identification of scrambling codes
US7139256B2 (en) * 2001-12-12 2006-11-21 Quicksilver Technology, Inc. Method and system for detecting and identifying scrambling codes
US20030108012A1 (en) * 2001-12-12 2003-06-12 Quicksilver Technology, Inc. Method and system for detecting and identifying scrambling codes
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KR100426621B1 (ko) * 2001-12-20 2004-04-13 한국전자통신연구원 단말기의 프리엠블 신호를 탐색하는 작은 창 프리엠블탐색 장치 및 그 방법
US7403981B2 (en) 2002-01-04 2008-07-22 Quicksilver Technology, Inc. Apparatus and method for adaptive multimedia reception and transmission in communication environments
US8761081B2 (en) * 2002-03-19 2014-06-24 Texas Instuments Incorporated Method and apparatus for cell searching in asynchronous CDMA systems
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US7369577B2 (en) * 2002-05-16 2008-05-06 Stmicroelectronics, Inc. Code group acquisition procedure for a UMTS-FDD receiver
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US7593367B2 (en) * 2002-06-14 2009-09-22 Qualcomm Incorporated Frequency scan for CDMA acquisition
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US7929509B2 (en) * 2005-05-10 2011-04-19 Qualcomm Incorporated Reduced cell acquisition time
US7933316B2 (en) 2007-08-10 2011-04-26 Qualcomm Incorporated Searcher for multiple orthogonal channels with known data WCDMA step2 search
JP5374507B2 (ja) 2007-08-15 2013-12-25 ノキア シーメンス ネットワークス オサケユキチュア 高ドップラーをサポートするスケジューリング要求送信
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2439796C2 (ru) * 2007-06-05 2012-01-10 Квэлкомм Инкорпорейтед Преобразование псевдослучайной последовательности в беспроводной связи
RU2452120C2 (ru) * 2007-10-10 2012-05-27 Квэлкомм Инкорпорейтед Эффективные схемы идентификации системы для систем связи
US9119132B2 (en) 2007-10-10 2015-08-25 Qualcomm Incorporated Efficient system identification schemes for communication systems
US10271267B2 (en) 2007-10-10 2019-04-23 Qualcomm Incorporated Efficient system identification schemes for communication systems

Also Published As

Publication number Publication date
RU2004111661A (ru) 2005-11-20
US6768768B2 (en) 2004-07-27
WO2003026147A2 (en) 2003-03-27
AU2002325056A1 (en) 2003-04-01
CA2460957A1 (en) 2003-03-27
JP4295102B2 (ja) 2009-07-15
WO2003026147A3 (en) 2003-06-19
US20030063656A1 (en) 2003-04-03
JP2005504466A (ja) 2005-02-10
EP1428325A2 (en) 2004-06-16

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Effective date: 20110920