AR016773A1 - Una disposicion de comunicacion con codificacion en bloque ortogonal de senal de transmision, un transmisor para ser utilizado por dicha disposicion, unreceptor para ser utilizado en esta ultima y un metodo para la codificacion de senales en bloque ortogonal que utiliza dicha disposicion - Google Patents

Una disposicion de comunicacion con codificacion en bloque ortogonal de senal de transmision, un transmisor para ser utilizado por dicha disposicion, unreceptor para ser utilizado en esta ultima y un metodo para la codificacion de senales en bloque ortogonal que utiliza dicha disposicion

Info

Publication number
AR016773A1
AR016773A1 ARP980103595A ARP980103595A AR016773A1 AR 016773 A1 AR016773 A1 AR 016773A1 AR P980103595 A ARP980103595 A AR P980103595A AR P980103595 A ARP980103595 A AR P980103595A AR 016773 A1 AR016773 A1 AR 016773A1
Authority
AR
Argentina
Prior art keywords
orthogonal
repeated
block
sign
signals
Prior art date
Application number
ARP980103595A
Other languages
English (en)
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of AR016773A1 publication Critical patent/AR016773A1/es

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Una disposicion de comunicacion con codificacion en bloque ortogonal de senal de transmision. Las senales codificadas son transmitidas por la repeticion delas transmisiones de bloques de símbolos con un cambio de fase o signo seleccionado para cada bloque de una secuencia de cambios de fase o signo. Los símbolosdiferentes son transmitidos utilizando secuencias ortogonales. La decodificacion utiliza secuencias ortogonales diferentes para separar las senales codificadasrecibidas en los canales separados correspondientes. La codificacion ortogonal es retirada de las senales codificadas transmitidas y los símboloscorrespondientes de los símbolos repetidos son sumados en los bloques repetidos recibidos sucesivamente después de que la codificacion ortogonal es retirada.La invencion también propone un transmisor para dicha disposicion que utiliza un codificador de fuente digital para codificar la informacion en símbolos, ycada símbolo es repetido un numero de veces preseleccionado para producir sucesivamente grupos de bits repetidos. Cada bit repetido es cambiado en fase o signopor la aplicacion de un cambio de signo o fase determinado por un codigo ortogonal seleccionado asignado asociado con el transmisor. Los bits de signo cambiadosonintercalados de un numero de grupos tales para generar sucesivamente un numero de bloques, y los bloques intercalados entonces modulan una senal de radiopara la transmision. También se propone un receptor para dicha disposicion para separar las senales codificadas y un método para la codificacion de senales enbloque ortogonal que utiliza dicha disposicion.
ARP980103595A 1997-07-22 1998-07-22 Una disposicion de comunicacion con codificacion en bloque ortogonal de senal de transmision, un transmisor para ser utilizado por dicha disposicion, unreceptor para ser utilizado en esta ultima y un metodo para la codificacion de senales en bloque ortogonal que utiliza dicha disposicion AR016773A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/898,392 US6215762B1 (en) 1997-07-22 1997-07-22 Communication system and method with orthogonal block encoding

Publications (1)

Publication Number Publication Date
AR016773A1 true AR016773A1 (es) 2001-08-01

Family

ID=25409381

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP980103595A AR016773A1 (es) 1997-07-22 1998-07-22 Una disposicion de comunicacion con codificacion en bloque ortogonal de senal de transmision, un transmisor para ser utilizado por dicha disposicion, unreceptor para ser utilizado en esta ultima y un metodo para la codificacion de senales en bloque ortogonal que utiliza dicha disposicion

Country Status (14)

Country Link
US (2) US6215762B1 (es)
EP (1) EP0998794B1 (es)
JP (1) JP4195182B2 (es)
KR (1) KR100397772B1 (es)
CN (1) CN1188956C (es)
AR (1) AR016773A1 (es)
AU (1) AU746374B2 (es)
BR (1) BR9811289A (es)
CA (1) CA2297902C (es)
DE (1) DE69812960T2 (es)
RU (1) RU2000104115A (es)
TW (1) TW387175B (es)
WO (1) WO1999005797A2 (es)
ZA (1) ZA985609B (es)

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Also Published As

Publication number Publication date
RU2000104115A (ru) 2002-01-10
US6963532B1 (en) 2005-11-08
CN1271477A (zh) 2000-10-25
AU8397198A (en) 1999-02-16
CA2297902C (en) 2006-04-04
TW387175B (en) 2000-04-11
DE69812960T2 (de) 2003-12-18
CA2297902A1 (en) 1999-02-04
ZA985609B (en) 1999-04-07
WO1999005797A2 (en) 1999-02-04
BR9811289A (pt) 2000-08-29
US6215762B1 (en) 2001-04-10
JP2001511616A (ja) 2001-08-14
CN1188956C (zh) 2005-02-09
WO1999005797A3 (en) 1999-04-08
JP4195182B2 (ja) 2008-12-10
KR100397772B1 (ko) 2003-09-13
EP0998794A2 (en) 2000-05-10
DE69812960D1 (de) 2003-05-08
AU746374B2 (en) 2002-04-18
KR20010022164A (ko) 2001-03-15
EP0998794B1 (en) 2003-04-02

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