AR054572A1 - Indicador de la velocidad en banda: metodos y aparatos - Google Patents

Indicador de la velocidad en banda: metodos y aparatos

Info

Publication number
AR054572A1
AR054572A1 ARP060103137A ARP060103137A AR054572A1 AR 054572 A1 AR054572 A1 AR 054572A1 AR P060103137 A ARP060103137 A AR P060103137A AR P060103137 A ARP060103137 A AR P060103137A AR 054572 A1 AR054572 A1 AR 054572A1
Authority
AR
Argentina
Prior art keywords
option
segment
downlink traffic
downlink
transported
Prior art date
Application number
ARP060103137A
Other languages
English (en)
Inventor
Rajiv Laroia
Hui Jin
Junyi Li
Frank A Lane
Tom Richardson
Original Assignee
Qualcomm Flarion Tech
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 Qualcomm Flarion Tech filed Critical Qualcomm Flarion Tech
Publication of AR054572A1 publication Critical patent/AR054572A1/es

Links

Classifications

    • 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
    • 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
    • H04L1/0002—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
    • H04L1/0004—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to control information
    • 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
    • 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
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H04L1/0039—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver other detection of signalling, e.g. detection of TFCI explicit signalling
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0046—Code rate detection or code type detection
    • 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
    • H04L1/0057—Block 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
    • H04L1/0075—Transmission of coding parameters to receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L1/0005—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to payload information
    • 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
    • H04L2001/0098—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Opciones de velocidad de los datos para canal de tráfico de enlace descendente y métodos para indicar a un terminal inalámbrico un opcion de la velocidad de los datos de enlace descendente utilizada. La opcion de las velocidades para canal de tráfico de enlace descendente para un segmento se transporta mediante la utilizacion de una senal de asignacion y/o de un bloque en el segmento del canal de tráfico de enlace descendente que no se utiliza para los datos de usuario. Las senales de asignacion del segmento de enlace descendente en algunas implementaciones asignan menos bits para la indicacion de la opcion de las velocidades que las requeridas para identificar de manera unica cada opcion. En algunas implementaciones se identifican de manera unica a determinadas opciones de baja velocidad, por ejemplo, mediante la utilizacion de QPSK, por medio de senales de asignacion. Las opciones de velocidades superiores, por ejemplo, que utilizan modulacion de QAM16, se transportan por medio del bloque de informacion distinto en el segmento de tráfico enlace descendente mediante la utilizacion de un primer método de codificacion/modulacion. Las opciones de velocidades más elevadas aun, por ejemplo, que utilizan QAM16, QAM64, o QAM 256, se transportan por intermedio del bloque de informacion en el segmento mediante la utilizacion de un segundo método de codificacion/modulacion que se aplica a la informacion acerca de la opcion de las velocidades.
ARP060103137A 2005-07-20 2006-07-20 Indicador de la velocidad en banda: metodos y aparatos AR054572A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70131305P 2005-07-20 2005-07-20
US11/229,019 US8452294B2 (en) 2003-04-23 2005-09-16 In-band ate indicator methods and apparatus

Publications (1)

Publication Number Publication Date
AR054572A1 true AR054572A1 (es) 2007-06-27

Family

ID=37600896

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP060103137A AR054572A1 (es) 2005-07-20 2006-07-20 Indicador de la velocidad en banda: metodos y aparatos

Country Status (7)

Country Link
US (1) US8452294B2 (es)
EP (1) EP1908191B1 (es)
JP (1) JP4709280B2 (es)
KR (1) KR100945317B1 (es)
AR (1) AR054572A1 (es)
TW (1) TW200711506A (es)
WO (1) WO2007015829A2 (es)

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Also Published As

Publication number Publication date
KR100945317B1 (ko) 2010-03-09
WO2007015829A2 (en) 2007-02-08
TW200711506A (en) 2007-03-16
US8452294B2 (en) 2013-05-28
JP2009503936A (ja) 2009-01-29
US20070019583A1 (en) 2007-01-25
KR20080036092A (ko) 2008-04-24
WO2007015829A3 (en) 2007-04-19
EP1908191A2 (en) 2008-04-09
JP4709280B2 (ja) 2011-06-22
EP1908191B1 (en) 2013-04-10

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