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BR9910416A - Processos para transmitir e para retransmitir dados a velocidades variáveis e dispositivo e protocolo de comunicações - Google Patents

Processos para transmitir e para retransmitir dados a velocidades variáveis e dispositivo e protocolo de comunicações

Info

Publication number
BR9910416A
BR9910416A BR9910416-4A BR9910416A BR9910416A BR 9910416 A BR9910416 A BR 9910416A BR 9910416 A BR9910416 A BR 9910416A BR 9910416 A BR9910416 A BR 9910416A
Authority
BR
Brazil
Prior art keywords
data
data block
transmitting
block
size
Prior art date
Application number
BR9910416-4A
Other languages
English (en)
Other versions
BR9910416B8 (pt
BR9910416B1 (pt
Inventor
Johan Lundsjo
Mathias Johansson
Christiaan Roobol
Per Beming
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9910416A publication Critical patent/BR9910416A/pt
Publication of BR9910416B1 publication Critical patent/BR9910416B1/pt
Publication of BR9910416B8 publication Critical patent/BR9910416B8/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/16Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605Fixed allocated frame structures
    • H04J3/1623Plesiochronous digital hierarchy [PDH]
    • H04J3/1647Subrate or multislot multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1809Selective-repeat protocols
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/50Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Communication Control (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

"PROCESSOS PARA TRANSMITIR E PARA RETRANSMITIR DADOS A VELOCIDADES VARIáVEIS E DISPOSITIVO E PROTOCOLO DE COMUNICAçõES". Um tamanho ótimo de bloco de dado é determinado para uso na transmissão de dados a velocidades variáveis sobre enlace de comunicações em intervalos de tempo predeterminados, onde cada intervalo de tempo predeterminado tem a mesma duração de tempo. Em vez de variar o tamanho de bloco de dado de acordo com mudanças em velocidades de transmissão, o que adiciona complexidade desnecessária, os blocos de dados têm todos o mesmo tamanho fixo, ou seja, o mesmo número de bits de dados em cada bloco. Este tamanho fixo de bloco de dados é determinado de modo que, para todas as velocidades de transmissão de dados disponíveis, cada intervalo de tempo predeterminado seja totalmente ocupado com informação útil. O tamanho fixo e bloco de dados é determinado com base em uma freq³ência máxima na qual a velocidade de transmissão pode mudar no enlace de comunicação e a mais baixa velocidade de transmissão disponível. De preferência, o tamanho fixo de cada bloco de dados é limitado pelos tamanhos de blocos de dados máximo e mínimo predeterminados, de modo a reduzir o número de erros de bit por loco de dado, manter uma certa produção de dados, e limitar a quantidade de bits em excesso em relação ao número de bits de carga útil para cada bloco de dado.
BRPI9910416-4A 1998-05-14 1999-04-29 processo, dispositivo e protocolo para determinar um tamanho àtimo do bloco de dados em transmissço e retransmissço em velocidades variÁveis de comunicaÇÕes. BR9910416B8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/078,598 US6307867B1 (en) 1998-05-14 1998-05-14 Data transmission over a communications link with variable transmission rates
PCT/SE1999/000708 WO1999059278A1 (en) 1998-05-14 1999-04-29 Data transmission over a communications link with variable transmission rates

Publications (3)

Publication Number Publication Date
BR9910416A true BR9910416A (pt) 2001-01-09
BR9910416B1 BR9910416B1 (pt) 2013-01-08
BR9910416B8 BR9910416B8 (pt) 2013-02-19

Family

ID=22145069

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9910416-4A BR9910416B8 (pt) 1998-05-14 1999-04-29 processo, dispositivo e protocolo para determinar um tamanho àtimo do bloco de dados em transmissço e retransmissço em velocidades variÁveis de comunicaÇÕes.

Country Status (15)

Country Link
US (1) US6307867B1 (pt)
EP (1) EP1078485B1 (pt)
JP (1) JP3464453B2 (pt)
KR (1) KR100397962B1 (pt)
CN (1) CN1143466C (pt)
AR (1) AR016485A1 (pt)
AU (1) AU756782B2 (pt)
BR (1) BR9910416B8 (pt)
CA (1) CA2331546C (pt)
DE (1) DE69915280T2 (pt)
MY (1) MY126453A (pt)
RU (1) RU2226039C2 (pt)
TW (1) TW431088B (pt)
WO (1) WO1999059278A1 (pt)
ZA (1) ZA200006604B (pt)

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US6307867B1 (en) 2001-10-23
BR9910416B8 (pt) 2013-02-19
JP2002515686A (ja) 2002-05-28
EP1078485A1 (en) 2001-02-28
CN1309850A (zh) 2001-08-22
AU756782B2 (en) 2003-01-23
AR016485A1 (es) 2001-07-04
DE69915280T2 (de) 2005-01-27
ZA200006604B (en) 2001-05-28
KR20010052354A (ko) 2001-06-25
KR100397962B1 (ko) 2003-09-19
AU4402599A (en) 1999-11-29
TW431088B (en) 2001-04-21
RU2226039C2 (ru) 2004-03-20
EP1078485B1 (en) 2004-03-03
BR9910416B1 (pt) 2013-01-08
CN1143466C (zh) 2004-03-24
WO1999059278A1 (en) 1999-11-18
CA2331546C (en) 2007-09-18
CA2331546A1 (en) 1999-11-18
DE69915280D1 (de) 2004-04-08
MY126453A (en) 2006-10-31
JP3464453B2 (ja) 2003-11-10

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