CA2460957A1 - Method & apparatus for step two w-cdma searching - Google Patents

Method & apparatus for step two w-cdma searching Download PDF

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Publication number
CA2460957A1
CA2460957A1 CA002460957A CA2460957A CA2460957A1 CA 2460957 A1 CA2460957 A1 CA 2460957A1 CA 002460957 A CA002460957 A CA 002460957A CA 2460957 A CA2460957 A CA 2460957A CA 2460957 A1 CA2460957 A1 CA 2460957A1
Authority
CA
Canada
Prior art keywords
sequence
code
sub
slot
produce
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.)
Abandoned
Application number
CA002460957A
Other languages
English (en)
French (fr)
Inventor
Subramanya P. Rao
Sivarama Venkatesan
Gwang-Hyun Gho
Avneesh Agrawal
Daisuke Terasawa
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
Individual
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 Individual filed Critical Individual
Publication of CA2460957A1 publication Critical patent/CA2460957A1/en
Abandoned legal-status Critical Current

Links

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
    • H04B1/69—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
    • H04B1/7073—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
    • 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
    • H04B1/70752—Partial correlation
    • 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
    • H04B2201/70707—Efficiency-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CA002460957A 2001-09-19 2002-09-19 Method & apparatus for step two w-cdma searching Abandoned CA2460957A1 (en)

Applications Claiming Priority (3)

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
PCT/US2002/030001 WO2003026147A2 (en) 2001-09-19 2002-09-19 Method and apparatus for step two of w-cdma searching

Publications (1)

Publication Number Publication Date
CA2460957A1 true CA2460957A1 (en) 2003-03-27

Family

ID=25499493

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002460957A Abandoned CA2460957A1 (en) 2001-09-19 2002-09-19 Method & apparatus for step two w-cdma searching

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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US7249242B2 (en) 2002-10-28 2007-07-24 Nvidia Corporation Input pipeline registers for a node in an adaptive computing engine
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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
US7046635B2 (en) 2001-11-28 2006-05-16 Quicksilver Technology, Inc. System for authorizing functionality in adaptable hardware devices
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
US7065064B2 (en) * 2001-12-20 2006-06-20 Interdigital Technology Corporation Cell search using peak quality factors
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
US7194021B2 (en) * 2002-04-15 2007-03-20 Stmicroelectronics, Inc. Digital matched filter
US7493375B2 (en) 2002-04-29 2009-02-17 Qst Holding, Llc Storage and delivery of device features
US7660984B1 (en) 2003-05-13 2010-02-09 Quicksilver Technology Method and system for achieving individualized protected space in an operating system
US7328414B1 (en) 2003-05-13 2008-02-05 Qst Holdings, Llc Method and system for creating and programming an adaptive computing engine
US7369577B2 (en) * 2002-05-16 2008-05-06 Stmicroelectronics, Inc. Code group acquisition procedure for a UMTS-FDD receiver
KR100810346B1 (ko) * 2002-05-25 2008-03-07 삼성전자주식회사 이동통신 단말기의 256-탭 정합필터링 장치 및 방법
US7593367B2 (en) * 2002-06-14 2009-09-22 Qualcomm Incorporated Frequency scan for CDMA acquisition
US8108656B2 (en) 2002-08-29 2012-01-31 Qst Holdings, Llc Task definition for specifying resource requirements
DE60233056D1 (de) 2002-10-11 2009-09-03 St Microelectronics Srl Verfahren und Vorrichtung zur Synchronisierung und Identifizierung der Kodengruppe in zellularen CDMA-Übertragungssystemen
US7937591B1 (en) 2002-10-25 2011-05-03 Qst Holdings, Llc Method and system for providing a device which can be adapted on an ongoing basis
US8276135B2 (en) 2002-11-07 2012-09-25 Qst Holdings Llc Profiling of software and circuit designs utilizing data operation analyses
US7478031B2 (en) 2002-11-07 2009-01-13 Qst Holdings, Llc Method, system and program for developing and scheduling adaptive integrated circuity and corresponding control or configuration information
US7225301B2 (en) 2002-11-22 2007-05-29 Quicksilver Technologies External memory controller node
DE10311323A1 (de) * 2003-03-14 2004-09-30 Infineon Technologies Ag Vorrichtung zur Synchronisation eines Mobilfunkempfängers auf eine Rahmenstruktur eines empfangenen Funksignals
US7609297B2 (en) 2003-06-25 2009-10-27 Qst Holdings, Inc. Configurable hardware based digital imaging apparatus
US7929509B2 (en) * 2005-05-10 2011-04-19 Qualcomm Incorporated Reduced cell acquisition time
RU2439796C2 (ru) * 2007-06-05 2012-01-10 Квэлкомм Инкорпорейтед Преобразование псевдослучайной последовательности в беспроводной связи
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
PL3799333T3 (pl) * 2007-10-02 2023-12-18 Nokia Solutions And Networks Oy Alokacja sekwencji preambuły
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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WO2011091323A1 (en) 2010-01-21 2011-07-28 Qst Holdings, Llc A method and apparatus for a general-purpose, multiple-core system for implementing stream-based computations
US20130142057A1 (en) * 2011-12-01 2013-06-06 Broadcom Corporation Control Channel Acquisition
US9432918B2 (en) 2012-11-13 2016-08-30 Qualcomm Incorporated Apparatus and methods of receive diversity (RXD) full cell search
US9338671B2 (en) * 2013-08-09 2016-05-10 Qualcomm Incorporated Method and apparatus for handling primary scrambling codes

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US5991330A (en) * 1997-06-27 1999-11-23 Telefonaktiebolaget L M Ericsson (Pub1) Mobile Station synchronization within a spread spectrum communication systems
US5930366A (en) 1997-08-29 1999-07-27 Telefonaktiebolaget L M Ericsson Synchronization to a base station and code acquisition within a spread spectrum communication system
US6185244B1 (en) * 1997-08-29 2001-02-06 Telefonaktiebolaget Lm Ericsson Cell searching in a CDMA communications system
US6108324A (en) * 1998-09-22 2000-08-22 Motorola, Inc. Apparatus and method for performing a signal search in a wireless communication system
US6501788B1 (en) * 1999-01-22 2002-12-31 Ericsson Inc. Apparatus and methods for intereference cancellation in spread spectrum communications systems
US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
KR100450789B1 (ko) 1999-05-25 2004-10-01 삼성전자주식회사 유사 잡음 코드 획득 장치 및 이를 구비한 직접 시퀀스 코드분할 다중 접속 수신기
US6363060B1 (en) 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition

Also Published As

Publication number Publication date
RU2004111661A (ru) 2005-11-20
US6768768B2 (en) 2004-07-27
RU2283537C2 (ru) 2006-09-10
WO2003026147A2 (en) 2003-03-27
AU2002325056A1 (en) 2003-04-01
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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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued