BR9611138A - Transmissão de sequência de sinais com comprimento variável através da camada fìsica de um formato de transmissão com múltiplas camadas - Google Patents

Transmissão de sequência de sinais com comprimento variável através da camada fìsica de um formato de transmissão com múltiplas camadas

Info

Publication number
BR9611138A
BR9611138A BR9611138-0A BR9611138A BR9611138A BR 9611138 A BR9611138 A BR 9611138A BR 9611138 A BR9611138 A BR 9611138A BR 9611138 A BR9611138 A BR 9611138A
Authority
BR
Brazil
Prior art keywords
transmission
sequence
variable length
physical layer
data
Prior art date
Application number
BR9611138-0A
Other languages
English (en)
Inventor
Thomas J Kolze
Steve E Anderson
Victor I Hou
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of BR9611138A publication Critical patent/BR9611138A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • 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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2801—Broadband local area networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • 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
    • H04L1/0071—Use of interleaving
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1809—Selective-repeat protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5604—Medium of transmission, e.g. fibre, cable, radio
    • H04L2012/5607—Radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5645—Connectionless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5647—Cell loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Dc Digital Transmission (AREA)

Abstract

''TRANSMISSãO DE SEQuêNCIA DE SINAIS COM COMPRIMENTO VARIáVEL ATRAVéS DA CAMADA FìSICA DE UM FORMATO DE TRANSMISSãO COM MúLTIPLAS CAMADAS''. Trata-se de um aparelho para comunicação de pacotes de dados em seq³ência de sinais de comprimento variável através de uma camada física em um esquema de comunicação de dados de múltiplas camadas. Cada seq³ência de sinais contém dados de informação (40, 50, 60, 64, 74, 78, 82) e suspensão (30, 32, 34, 36, 38, 42, 44, 62, 66, 76, 80, 84). A suspensão inclui dados de controle de erro dianteiro (FEC) (42, 62, 66, 76, 80, 84). São fornecidos diferentes modos de seq³ência de sinais (Figs. 2, 3, 4, 5) para possibilitar que seja feita uma permuta entre eficiência de largura de faixa e força de transmissão de dados. Os modos de seq³ência de sinais proporcionam diferentes combinações de modulação (tais como QPSK e 16-QAM), taxas de símbolo, níveis de codificação FEC e estrutura de composição e preâmbulo. O aparelho é particularmente adequado para uso em comunicações a montante através de fábricas de televisão a cabo coaxial com fibra híbrida.
BR9611138-0A 1995-10-24 1996-10-23 Transmissão de sequência de sinais com comprimento variável através da camada fìsica de um formato de transmissão com múltiplas camadas BR9611138A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US604295P 1995-10-24 1995-10-24
PCT/US1996/016923 WO1997016046A1 (en) 1995-10-24 1996-10-23 Variable length burst transmission over the physical layer of a multilayer transmission format

Publications (1)

Publication Number Publication Date
BR9611138A true BR9611138A (pt) 1999-12-28

Family

ID=21719003

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9611138-0A BR9611138A (pt) 1995-10-24 1996-10-23 Transmissão de sequência de sinais com comprimento variável através da camada fìsica de um formato de transmissão com múltiplas camadas

Country Status (13)

Country Link
US (1) US6285681B1 (pt)
EP (1) EP0857400B1 (pt)
JP (1) JP2000508128A (pt)
KR (1) KR100451118B1 (pt)
CN (1) CN1203013A (pt)
AU (1) AU706233B2 (pt)
BR (1) BR9611138A (pt)
CA (1) CA2235373C (pt)
DE (1) DE69634607T2 (pt)
IL (1) IL124183A (pt)
NO (1) NO981829L (pt)
TW (1) TW309686B (pt)
WO (1) WO1997016046A1 (pt)

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CA2235373A1 (en) 1997-05-01
EP0857400B1 (en) 2005-04-13
DE69634607D1 (de) 2005-05-19
US6285681B1 (en) 2001-09-04
CN1203013A (zh) 1998-12-23
TW309686B (pt) 1997-07-01
EP0857400A1 (en) 1998-08-12
NO981829L (no) 1998-06-23
IL124183A (en) 2001-07-24
KR19990067037A (ko) 1999-08-16
AU7466596A (en) 1997-05-15
WO1997016046A1 (en) 1997-05-01
DE69634607T2 (de) 2006-03-02
JP2000508128A (ja) 2000-06-27
CA2235373C (en) 2004-12-07
KR100451118B1 (ko) 2005-06-29
AU706233B2 (en) 1999-06-10
NO981829D0 (no) 1998-04-23

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