IL149947A0 - Programmable matched filter searcher for multiple pilot searching - Google Patents

Programmable matched filter searcher for multiple pilot searching

Info

Publication number
IL149947A0
IL149947A0 IL14994700A IL14994700A IL149947A0 IL 149947 A0 IL149947 A0 IL 149947A0 IL 14994700 A IL14994700 A IL 14994700A IL 14994700 A IL14994700 A IL 14994700A IL 149947 A0 IL149947 A0 IL 149947A0
Authority
IL
Israel
Prior art keywords
searching
matched filter
search
searcher
ability
Prior art date
Application number
IL14994700A
Other languages
English (en)
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 IL149947A0 publication Critical patent/IL149947A0/xx

Links

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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/15Correlation function computation including computation of convolution operations
    • 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
    • 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
    • H04B2201/7071Efficiency-related aspects with dynamic control of receiver resources
    • H04B2201/70711Efficiency-related aspects with dynamic control of receiver resources with modular structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
  • Electrotherapy Devices (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IL14994700A 1999-12-21 2000-12-20 Programmable matched filter searcher for multiple pilot searching IL149947A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/468,556 US6480529B1 (en) 1999-12-21 1999-12-21 Programmable matched filter searcher for multiple pilot searching
PCT/US2000/034774 WO2001047135A1 (en) 1999-12-21 2000-12-20 Programmable matched filter searcher for multiple pilot searching

Publications (1)

Publication Number Publication Date
IL149947A0 true IL149947A0 (en) 2002-11-10

Family

ID=23860283

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14994700A IL149947A0 (en) 1999-12-21 2000-12-20 Programmable matched filter searcher for multiple pilot searching

Country Status (16)

Country Link
US (1) US6480529B1 (de)
EP (1) EP1240722B1 (de)
JP (1) JP4763205B2 (de)
KR (1) KR20020062345A (de)
CN (1) CN1190017C (de)
AT (1) ATE366001T1 (de)
AU (1) AU2285101A (de)
BR (1) BR0016532A (de)
CA (1) CA2393509A1 (de)
DE (1) DE60035367T2 (de)
ES (1) ES2287043T3 (de)
HK (1) HK1052595B (de)
IL (1) IL149947A0 (de)
MX (1) MXPA02006219A (de)
RU (1) RU2254680C2 (de)
WO (1) WO2001047135A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6324159B1 (en) * 1998-05-06 2001-11-27 Sirius Communications N.V. Method and apparatus for code division multiple access communication with increased capacity through self-noise reduction
US7372888B1 (en) * 1999-05-10 2008-05-13 Agilent Technologies Inc. Method and apparatus for software reconfigurable communication transmission/reception and navigation signal reception
WO2000069086A1 (en) * 1999-05-10 2000-11-16 Sirius Communications N.V. Method and apparatus for high-speed software reconfigurable code division multiple access communication
US7327779B1 (en) 1999-07-23 2008-02-05 Agilent Technologies, Inc. Method and apparatus for high-speed software reconfigurable code division multiple access communication
JP2001345738A (ja) * 2000-06-06 2001-12-14 Sony Corp 同期検出装置
KR100488078B1 (ko) * 2000-12-21 2005-05-09 엘지전자 주식회사 이동 통신 시스템 수신단의 파일럿 신호 검색기 및 방법
DE10108413A1 (de) * 2001-02-21 2002-09-19 Philips Corp Intellectual Pty Empfangsverfahren bei einem Mobiltelefon mit Mehrfachcodeempfang und Mobiltelefon
JP4092291B2 (ja) * 2001-08-02 2008-05-28 インフィネオン テヒノロジース アクチェンゲゼルシャフト 構成可能なターミナル・エンジン
US7756085B2 (en) * 2001-11-20 2010-07-13 Qualcomm Incorporated Steps one and three W-CDMA and multi-mode searching
KR100426621B1 (ko) * 2001-12-20 2004-04-13 한국전자통신연구원 단말기의 프리엠블 신호를 탐색하는 작은 창 프리엠블탐색 장치 및 그 방법
US7738533B2 (en) * 2002-01-07 2010-06-15 Qualcomm Incorporated Multiplexed CDMA and GPS searching
EP1441449A1 (de) * 2003-01-27 2004-07-28 Agilent Technologies, Inc. - a Delaware corporation - Programmierbarer Erfassungsmodul für einen CDMA-basierten Multistandard-Empfänger
KR100546318B1 (ko) * 2003-02-22 2006-01-26 삼성전자주식회사 서로 다른 통신모드를 지원하는 듀얼 모드 모뎀의 통합 셀탐색기
US7026928B1 (en) 2003-03-21 2006-04-11 Realty Times Portable personal security system
US8138972B2 (en) * 2003-09-02 2012-03-20 Csr Technology Inc. Signal processing system for satellite positioning signals
KR20070012308A (ko) 2003-09-02 2007-01-25 서프 테크놀러지, 인코포레이티드 위성 위치 신호를 위한 신호 처리 시스템
JP4728253B2 (ja) * 2003-11-26 2011-07-20 クゥアルコム・インコーポレイテッド ネットワーク情報を使用して移動局のポジション推定値を計算する方法および装置
CN1940589B (zh) * 2005-09-30 2010-04-21 凌阳科技股份有限公司 一种全球卫星定位系统的数据位同步的方法及系统
US7917798B2 (en) 2005-10-04 2011-03-29 Hypres, Inc. Superconducting digital phase rotator
KR101043689B1 (ko) * 2007-10-29 2011-06-24 주식회사 텔에이스 Gps를 위한 초기 동기 신호의 획득 방법 및 장치
US8292543B2 (en) * 2008-04-28 2012-10-23 Waste Management, Inc. Multi-planar gas recovery bioreactor
WO2010082431A1 (ja) * 2009-01-15 2010-07-22 日本電気株式会社 無線通信システムにおける同期処理回路、同期処理方法
CN119402332B (zh) * 2024-11-07 2025-10-28 上海交通大学 一种基于双导频块结构的信号检测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2014738C1 (ru) * 1991-02-18 1994-06-15 Военная академия связи Способ передачи и приема информации с кодовым уплотнением сигналов
US5577025A (en) * 1995-06-30 1996-11-19 Qualcomm Incorporated Signal acquisition in a multi-user communication system using multiple walsh channels
ES2206601T5 (es) * 1995-10-09 2011-06-06 Snaptrack, Inc. Sistema combinado de posicionamiento gps y de comunicaciones utilizando circuitos compartidos.
WO1997014049A2 (en) * 1995-10-09 1997-04-17 Snaptrack, Inc. Gps receiver and method for processing gps signals
US5715276A (en) * 1996-08-22 1998-02-03 Golden Bridge Technology, Inc. Symbol-matched filter having a low silicon and power requirement
US6363105B1 (en) * 1998-02-17 2002-03-26 Ericsson Inc. Flexible sliding correlator for direct sequence spread spectrum systems

Also Published As

Publication number Publication date
US6480529B1 (en) 2002-11-12
AU2285101A (en) 2001-07-03
ES2287043T3 (es) 2007-12-16
MXPA02006219A (es) 2003-01-28
CN1413392A (zh) 2003-04-23
CN1190017C (zh) 2005-02-16
HK1052595B (zh) 2005-09-09
RU2254680C2 (ru) 2005-06-20
HK1052595A1 (en) 2003-09-19
BR0016532A (pt) 2002-12-24
CA2393509A1 (en) 2001-06-28
DE60035367T2 (de) 2008-02-28
WO2001047135A1 (en) 2001-06-28
EP1240722B1 (de) 2007-06-27
DE60035367D1 (de) 2007-08-09
EP1240722A1 (de) 2002-09-18
ATE366001T1 (de) 2007-07-15
JP2003518807A (ja) 2003-06-10
KR20020062345A (ko) 2002-07-25
JP4763205B2 (ja) 2011-08-31
RU2002119421A (ru) 2004-01-20

Similar Documents

Publication Publication Date Title
DE60035367D1 (de) Sucher mit programmierbarem signalangepasstem filter zum suchen nach mehreren pilotsignalen
SE9700909L (sv) Synkroniseringsackvisitionsmetod och anordning för korrelationsdemodulering
BR0009344A (pt) Filtro casado buscador programável
CA2294216A1 (en) Receiving a spread spectrum signal
BR9506273A (pt) Método para determinar a sincronização da sequência pn em um sistema de comunicação de espectro de propagação por sequência direta e aparelho e sistema para selecionar uma sequência de demodulação sincronizada
CA2472522A1 (en) Multiple initial search method for cdma and gps systems
DE69909596D1 (de) Flexibler gleitender korrelator für direktsequenzspreizspektrumsysteme
WO2004094966A3 (en) Methods and systems for static multimode multiplex spectroscopy
TW365097B (en) Despreading of direct sequence spread spectrum communications signals
ATE130712T1 (de) Mehrfachzugriffsverfahren und mobilfunksystem zur durchführung des mehrfachzugriffsverfahrens.
DE69432970D1 (de) DS/CDMA-Empfänger unter Verwendung parallel arbeitender Mehrzweckkorrelatoren
ATE400092T1 (de) Verfahren und system zum demodulation von gps- signalen
DE69531096D1 (de) Mehrwegsuchprozessor für ein spreizspektrum-mehrfachzugangsnachrichtenübertragungssystem
CA2294219A1 (en) Acquiring a spread spectrum signal
DK0906379T3 (da) Enzymatisk fremangsmåde til afslimning af vegetabilske olier med aspergillus-phospholipase
ID29557A (id) SISTEM PELUMASAN UNTUK MESIN 4-LANGKAH (pecahan P-963680)
DE60006797D1 (de) Anordnung und verfahren zur ausführung einer zeitschlitzsyncronisation in einem breitband-cdma system in anwesenheit bedeutender anfangsfrequenzfehler
DK1186126T3 (da) Fremgangsmåde og apparat til bestemmelse af karakteristikker af en kommunikationskanals komponenter
NO950745D0 (no) Data demoduleringskrets, samt fremgangsmåte for spredtspektrum kommunikasjon
MXPA05003878A (es) Equipos procesadores de fluido y organizadores para lo mismo.
MY122627A (en) Apparatus and methods for receiving information using variable length accumulation searchers
DE69735031D1 (de) Korrelator für Spreizspektrumsignale
EP0691716A3 (de) Optischer Phasenkonjugator, optisches Übertragungssystem unter seiner Verwendung und optisches Phasenkonjugationsverfahren
ATE451755T1 (de) Entspreizen eines cpm (continuous phase modulation) spreizspektrumsignals
DE69637192D1 (de) Differentialempfänger für Direktsequenzspreizspektrumsignale