AR025876A1 - MÉTODO PARA TRANSMITIR UNA TRAMA DE ACCESO MuLTIPLE POR DIVISIoN DE CoDIGOS (CDMA) EN UNA RED DE COMUNICACIONES CELULAR Y UNA TRAMA DE ESPECTRO ENSANCHADO DE MODO COMPRIMIDO PARA SER TRANSMITIDA EN UN CANAL. - Google Patents

MÉTODO PARA TRANSMITIR UNA TRAMA DE ACCESO MuLTIPLE POR DIVISIoN DE CoDIGOS (CDMA) EN UNA RED DE COMUNICACIONES CELULAR Y UNA TRAMA DE ESPECTRO ENSANCHADO DE MODO COMPRIMIDO PARA SER TRANSMITIDA EN UN CANAL.

Info

Publication number
AR025876A1
AR025876A1 ARP000105091A ARP000105091A AR025876A1 AR 025876 A1 AR025876 A1 AR 025876A1 AR P000105091 A ARP000105091 A AR P000105091A AR P000105091 A ARP000105091 A AR P000105091A AR 025876 A1 AR025876 A1 AR 025876A1
Authority
AR
Argentina
Prior art keywords
channel
cdma
bits
multiple access
transmitted
Prior art date
Application number
ARP000105091A
Other languages
English (en)
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 AR025876A1 publication Critical patent/AR025876A1/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
    • H04L1/004—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
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • 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
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702—Intercell-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • H04J13/20—Allocation of orthogonal codes having an orthogonal variable spreading factor [OVSF]
    • 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
    • H04L1/0067—Rate matching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

Un sistema y el método correspondiente para el uso de las técnicas en modo comprimido del Acceso Multiple y Division de Codigos -(del inglés Code DivisionMultiple Access) (CDMA). En ciertas formas de realizacion, las tramas de radio de enlaceascende nte de canal de datos, ser forman y se transmiten de modo talque incluyan, al menos, una brecha de transmision (TG) en la misma, en un modo comprimido. Esto puede lograrse por medio de la reduccion del factor deensanchamiento (por ejemplo,mediante u n factor dos). En combinacion con la reduccion del factor de ensanchamiento, el TG se puede realizar a medida o bien sepuede ajustar hasta una longitud adecuada (TGL), mediante el uso de la repeticion de los bits (o la reduccion de laperforacion). E sto permite que la longitudTG, se realice a medida, hasta una longitud adecuada, sin tener que incrementar la salida de potencia mas allá de lo necesario. En otras formas de realizacionde la presente, las tramas de enlace ascendentedel canal de cont rol, se forman o se formatean de tal modo de que repiten el bit indicador de formato (porejemplo TFCI) en el mismo, en el modo comprimido. En forma opcional, un bit/s indicador de formato en forma inmediata o directa, acontinuacion del TG, puederepe tirse más adelante en la trama, ya que dichos bits pueden, en algunas ocasiones, sufrir un control de potencia levemente peor, que otros bits TFCI en latrama. Más aun, cualquier forma de realizacion de la invencionpuede aplicarse asimismo, al canal de comunicaciones de enlace descendente.
ARP000105091A 1999-09-28 2000-09-27 MÉTODO PARA TRANSMITIR UNA TRAMA DE ACCESO MuLTIPLE POR DIVISIoN DE CoDIGOS (CDMA) EN UNA RED DE COMUNICACIONES CELULAR Y UNA TRAMA DE ESPECTRO ENSANCHADO DE MODO COMPRIMIDO PARA SER TRANSMITIDA EN UN CANAL. AR025876A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15643199P 1999-09-28 1999-09-28
US09/511,242 US6868075B1 (en) 1999-09-28 2000-02-23 Method and apparatus for compressed mode communications over a radio interface

Publications (1)

Publication Number Publication Date
AR025876A1 true AR025876A1 (es) 2002-12-18

Family

ID=26853174

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000105091A AR025876A1 (es) 1999-09-28 2000-09-27 MÉTODO PARA TRANSMITIR UNA TRAMA DE ACCESO MuLTIPLE POR DIVISIoN DE CoDIGOS (CDMA) EN UNA RED DE COMUNICACIONES CELULAR Y UNA TRAMA DE ESPECTRO ENSANCHADO DE MODO COMPRIMIDO PARA SER TRANSMITIDA EN UN CANAL.

Country Status (12)

Country Link
US (1) US6868075B1 (es)
EP (3) EP1216596B1 (es)
JP (4) JP4037105B2 (es)
CN (1) CN1201626C (es)
AR (1) AR025876A1 (es)
AT (1) ATE541374T1 (es)
AU (1) AU767367B2 (es)
ES (1) ES2380360T3 (es)
MX (1) MXPA02003106A (es)
MY (1) MY126757A (es)
TW (1) TW490953B (es)
WO (1) WO2001024566A1 (es)

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MXPA02003106A (es) 2002-11-07
JP5441946B2 (ja) 2014-03-12
JP2007228598A (ja) 2007-09-06
EP2947918A1 (en) 2015-11-25
US6868075B1 (en) 2005-03-15
JP2011205656A (ja) 2011-10-13
EP2293480A2 (en) 2011-03-09
JP4777470B2 (ja) 2011-09-21
EP2293480B1 (en) 2015-07-29
WO2001024566A1 (en) 2001-04-05
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ATE541374T1 (de) 2012-01-15
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MY126757A (en) 2006-10-31
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