AR024243A1 - Un metodo para emitir en forma inalambrica un mensaje hacia una multiplicidad de terminales inalambricas, una estacion base y una terminal inalambrica. - Google Patents

Un metodo para emitir en forma inalambrica un mensaje hacia una multiplicidad de terminales inalambricas, una estacion base y una terminal inalambrica.

Info

Publication number
AR024243A1
AR024243A1 ARP000100279A ARP000100279A AR024243A1 AR 024243 A1 AR024243 A1 AR 024243A1 AR P000100279 A ARP000100279 A AR P000100279A AR P000100279 A ARP000100279 A AR P000100279A AR 024243 A1 AR024243 A1 AR 024243A1
Authority
AR
Argentina
Prior art keywords
error correction
message
frames
wireless
decoded
Prior art date
Application number
ARP000100279A
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 AR024243A1 publication Critical patent/AR024243A1/es

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • 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
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Error Detection And Correction (AREA)

Abstract

Un método para emitir en forma inalámbrica un mensaje hacia una multiplicidad de terminales inalámbricas, una estacion base y una terminal inalámbrica. Unmensaje se emite en forma inalámbrica hacia terminales inalámbricas por medio de lacodificacion con correccion de errores del mensaje, para obtener un bloquede mensaje codificado con correccion de errores; la division del bloque de mensaje codificado con correccion de errores en tramas; y la codificacion concorreccion de erroresde las tramas para obtener tramas codificadas con correccion de errores. Las tramas codificadas con correccion de errores son emitidas enforma inalámbrica hacia las terminales inalámbricas, las tramas se reciben y se decodifican con correccion deerrores para obte ner tramas decodificadas concorreccion de errores. Las tramas decodificadas con correccion de errores son combinadas en un bloque de mensaje y el bloque de mensaje se decodifica concorreccion de errores para obtener el mensaje.Por medio de la codif icacion con correccion de errores del mensaje completo además de la codificacion concorreccion de errores de las tramas del mensaje, es posible emitir y recibir mensajes largos en forma confiable a pesar del desvanecimiento yotros problemasen la tra nsmision. Por consiguiente un canal de radiodifusion que está disenado para el uso de mensajes cortos también puede ser usado para transmitir enforma confiable mensajes largos. La invencion puede, por ejemplo, aplicarse aun sistema TDMA que incluye un Canal de Control Digital (DCCH) que tiene un canallogico de Canal de Control de Radiodifusion de Servicio de mensaje corto (SBCCH). Las tramas codificadas con correccion de errores se ubican en el canal logicoS-BCCH.El canal logico S-BCCH se emi te entonces en forma inalámbrica hacia los radioteléfonos en una multiplicidad de ranuras de tiempo de TDMA.
ARP000100279A 1999-01-22 2000-01-21 Un metodo para emitir en forma inalambrica un mensaje hacia una multiplicidad de terminales inalambricas, una estacion base y una terminal inalambrica. AR024243A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/235,469 US6498936B1 (en) 1999-01-22 1999-01-22 Methods and systems for coding of broadcast messages

Publications (1)

Publication Number Publication Date
AR024243A1 true AR024243A1 (es) 2002-09-25

Family

ID=22885641

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000100279A AR024243A1 (es) 1999-01-22 2000-01-21 Un metodo para emitir en forma inalambrica un mensaje hacia una multiplicidad de terminales inalambricas, una estacion base y una terminal inalambrica.

Country Status (11)

Country Link
US (1) US6498936B1 (es)
EP (1) EP1145474B1 (es)
JP (1) JP2002535920A (es)
KR (1) KR100870594B1 (es)
CN (1) CN100481971C (es)
AR (1) AR024243A1 (es)
AT (1) ATE331355T1 (es)
AU (1) AU766821B2 (es)
CA (1) CA2359764C (es)
DE (1) DE69932092T2 (es)
WO (1) WO2000044122A1 (es)

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ATE331355T1 (de) 2006-07-15
AU2183200A (en) 2000-08-07
KR20010102990A (ko) 2001-11-17
WO2000044122A1 (en) 2000-07-27
AU766821B2 (en) 2003-10-23
CN100481971C (zh) 2009-04-22
EP1145474B1 (en) 2006-06-21
WO2000044122A9 (en) 2001-06-07
CN1333961A (zh) 2002-01-30
CA2359764C (en) 2010-06-01
CA2359764A1 (en) 2000-07-27
DE69932092D1 (de) 2006-08-03
KR100870594B1 (ko) 2008-11-25
DE69932092T2 (de) 2007-03-01
US6498936B1 (en) 2002-12-24
JP2002535920A (ja) 2002-10-22
EP1145474A1 (en) 2001-10-17

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