JP4295102B2 - ステップ2w−cdma検索のための方法および装置 - Google Patents

ステップ2w−cdma検索のための方法および装置 Download PDF

Info

Publication number
JP4295102B2
JP4295102B2 JP2003529642A JP2003529642A JP4295102B2 JP 4295102 B2 JP4295102 B2 JP 4295102B2 JP 2003529642 A JP2003529642 A JP 2003529642A JP 2003529642 A JP2003529642 A JP 2003529642A JP 4295102 B2 JP4295102 B2 JP 4295102B2
Authority
JP
Japan
Prior art keywords
sequence
partial
subcorrelation
memory
sub
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.)
Expired - Fee Related
Application number
JP2003529642A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005504466A5 (https=
JP2005504466A (ja
Inventor
ラオ、サブラマンヤ・ピー
ベンカテサン、シバラマ
ゴー、グワン−ヒュン
アグラワル、アブニーシュ
テラサワ、ダイスケ
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
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2005504466A publication Critical patent/JP2005504466A/ja
Publication of JP2005504466A5 publication Critical patent/JP2005504466A5/ja
Application granted granted Critical
Publication of JP4295102B2 publication Critical patent/JP4295102B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP2003529642A 2001-09-19 2002-09-19 ステップ2w−cdma検索のための方法および装置 Expired - Fee Related JP4295102B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (3)

Publication Number Publication Date
JP2005504466A JP2005504466A (ja) 2005-02-10
JP2005504466A5 JP2005504466A5 (https=) 2006-02-09
JP4295102B2 true JP4295102B2 (ja) 2009-07-15

Family

ID=25499493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003529642A Expired - Fee Related JP4295102B2 (ja) 2001-09-19 2002-09-19 ステップ2w−cdma検索のための方法および装置

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=)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7752419B1 (en) 2001-03-22 2010-07-06 Qst Holdings, Llc Method and system for managing hardware resources to implement system functions using an adaptive computing architecture
US7653710B2 (en) 2002-06-25 2010-01-26 Qst Holdings, Llc. Hardware task manager
US7249242B2 (en) 2002-10-28 2007-07-24 Nvidia Corporation Input pipeline registers for a node in an adaptive computing engine
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
US7489779B2 (en) 2001-03-22 2009-02-10 Qstholdings, Llc Hardware implementation of the secure hash standard
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
GB0819868D0 (en) * 2008-10-29 2008-12-03 Cambridge Silicon Radio Ltd A receiver
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2460957A1 (en) 2003-03-27
WO2003026147A3 (en) 2003-06-19
US20030063656A1 (en) 2003-04-03
JP2005504466A (ja) 2005-02-10
EP1428325A2 (en) 2004-06-16

Similar Documents

Publication Publication Date Title
JP4295102B2 (ja) ステップ2w−cdma検索のための方法および装置
US8331330B2 (en) Steps one and three W-CDMA and multi-mode searching
US6363108B1 (en) Programmable matched filter searcher
KR101161104B1 (ko) 공지된 데이터를 이용한 다수의 직교 채널들에 대한 검색기 - wcdma 단계2 검색
JP2004531135A (ja) Cdmaシステムにおけるチップレート処理のための方法および装置
US7929509B2 (en) Reduced cell acquisition time
US8442094B2 (en) Cell search using rake searcher to perform scrambling code determination
KR101157108B1 (ko) 메모리 아키텍처를 사용하여 1차 셀을 검색하기 위한 상관기
US8059776B2 (en) Method and system for sub-chip resolution for secondary cell search
HK1115012A (en) Correlator for primary cell search using memory architecture

Legal Events

Date Code Title Description
A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20050920

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050920

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070717

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20071017

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20071024

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071026

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080603

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20080903

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20080910

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081202

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090209

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090310

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090409

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120417

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130417

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140417

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees