BR9810301A - Recepção de um sinal de espectro amplo - Google Patents

Recepção de um sinal de espectro amplo

Info

Publication number
BR9810301A
BR9810301A BR9810301-6A BR9810301A BR9810301A BR 9810301 A BR9810301 A BR 9810301A BR 9810301 A BR9810301 A BR 9810301A BR 9810301 A BR9810301 A BR 9810301A
Authority
BR
Brazil
Prior art keywords
broad spectrum
signal
spectrum signal
phases
receiving
Prior art date
Application number
BR9810301-6A
Other languages
English (en)
Inventor
Erik A Ramberg
Robert K Froelich
Forest F Fulton
Original Assignee
Cellnet Data Systems 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 Cellnet Data Systems Inc filed Critical Cellnet Data Systems Inc
Publication of BR9810301A publication Critical patent/BR9810301A/pt

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
    • H04B1/70751—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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Patente de Invenção: <B>"RECEBIMENTO DE UM SINAL DE ESPECTRO AMPLO"<D>. Um receptor para uso em um sistema de comunicação de espectro amplo inclui os componentes a seguir: um saída de acumulação configurado para detectar um sinal de espectro amplo transmitido por fases de busca múltiplas de correlação simultânea de um sinal de difusão de referência com uma saída de um canal receptor; um sistema de demodulação configurado para recuperar dados alojados no sinal de espectro amplo pela correlação simultânea do sinal de espectro amplo com múltiplas fases de dados possíveis do sinal de difusão de referência por períodos de dados consecutivos; e um bando de dispositivos de correlação configurados para uso no saída de acumulação e no sistema de demodulação.
BR9810301-6A 1997-06-23 1998-06-19 Recepção de um sinal de espectro amplo BR9810301A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/880,637 US6628699B2 (en) 1997-06-23 1997-06-23 Receiving a spread spectrum signal
PCT/US1998/012919 WO1998059446A1 (en) 1997-06-23 1998-06-19 Receiving a spread spectrum signal

Publications (1)

Publication Number Publication Date
BR9810301A true BR9810301A (pt) 2001-09-11

Family

ID=25376738

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9810301-6A BR9810301A (pt) 1997-06-23 1998-06-19 Recepção de um sinal de espectro amplo

Country Status (6)

Country Link
US (1) US6628699B2 (pt)
EP (1) EP0992134A4 (pt)
AU (1) AU751959B2 (pt)
BR (1) BR9810301A (pt)
CA (1) CA2294216C (pt)
WO (1) WO1998059446A1 (pt)

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Also Published As

Publication number Publication date
AU751959B2 (en) 2002-09-05
CA2294216C (en) 2005-11-01
EP0992134A4 (en) 2003-06-04
US20010050948A1 (en) 2001-12-13
WO1998059446A1 (en) 1998-12-30
EP0992134A1 (en) 2000-04-12
CA2294216A1 (en) 1998-12-30
AU8157898A (en) 1999-01-04
US6628699B2 (en) 2003-09-30

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