MXPA03011879A - Un aparato y un metodo mejorado para efectuar busqueda de celula inicial en sistemas de comunicacion inalambricos. - Google Patents

Un aparato y un metodo mejorado para efectuar busqueda de celula inicial en sistemas de comunicacion inalambricos.

Info

Publication number
MXPA03011879A
MXPA03011879A MXPA03011879A MXPA03011879A MXPA03011879A MX PA03011879 A MXPA03011879 A MX PA03011879A MX PA03011879 A MXPA03011879 A MX PA03011879A MX PA03011879 A MXPA03011879 A MX PA03011879A MX PA03011879 A MXPA03011879 A MX PA03011879A
Authority
MX
Mexico
Prior art keywords
psc
input signal
synchronization code
wireless communication
communication systems
Prior art date
Application number
MXPA03011879A
Other languages
English (en)
Inventor
J Guccione Louis
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of MXPA03011879A publication Critical patent/MXPA03011879A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/70735—Code identification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7083—Cell search, e.g. using a three-step approach

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

El sistema y metodo de la presente invencion establece un enlace de comunicacion (Figura 3) entre un equipo de usuario (4) y una estacion base (2) en el sistema de comunicacion que tiene una pluralidad de estaciones base, cada una de las cuales transmite un codigo de sincronizacion primario comun (PSC) en un canal de sincronizacion primario en conjunto con un codigo de sincronizacion secundario especifico de la estacion base dentro de un cuadro de sistema (Figura 2), el cual recibe con el UE de una senal de entrada que incluye el PSC y SSC de al menos una de las estaciones base. El UE analiza la senal de entrada para detectar cualesquier PSC recibidos dentro de un periodo de tiempo seleccionado, que tiene una duracion correspondiente a la longitud de un cuadro de sistema y determina una ubicacion relativa de un PSC mas fuerte (26) dentro del periodo de tiempo seleccionado. La senal de entrada es entonces procesada para remover el PSC de al menos la ubicacion del PSC determinado. Entonces de detectado un codigo de sincronizacion secundario (SSC) para la ubicacion predeterminada de la senal procesada. El enlace de comunicacion se establece entonces usando los SSC detectados.
MXPA03011879A 2001-06-22 2002-04-15 Un aparato y un metodo mejorado para efectuar busqueda de celula inicial en sistemas de comunicacion inalambricos. MXPA03011879A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30041201P 2001-06-22 2001-06-22
US09/998,885 US6894995B2 (en) 2001-06-22 2001-10-31 Apparatus and method for performing initial cell search in wireless communication systems
PCT/US2002/011669 WO2003001711A1 (en) 2001-06-22 2002-04-15 An improved apparatus and method for performing initial cell search in wireless communication systems

Publications (1)

Publication Number Publication Date
MXPA03011879A true MXPA03011879A (es) 2004-03-26

Family

ID=26971771

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03011879A MXPA03011879A (es) 2001-06-22 2002-04-15 Un aparato y un metodo mejorado para efectuar busqueda de celula inicial en sistemas de comunicacion inalambricos.

Country Status (15)

Country Link
US (2) US6894995B2 (es)
EP (1) EP1407566B1 (es)
JP (1) JP3962016B2 (es)
KR (3) KR20070065446A (es)
CN (1) CN1518808A (es)
AT (1) ATE363777T1 (es)
BR (1) BR0211031A (es)
CA (1) CA2451242C (es)
DE (1) DE60220409T2 (es)
ES (1) ES2287295T3 (es)
IL (1) IL159390A0 (es)
MX (1) MXPA03011879A (es)
NO (1) NO20035741L (es)
TW (4) TW200629783A (es)
WO (1) WO2003001711A1 (es)

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Also Published As

Publication number Publication date
TW200421763A (en) 2004-10-16
US6894995B2 (en) 2005-05-17
KR100703645B1 (ko) 2007-04-05
CA2451242C (en) 2008-04-08
KR20050098007A (ko) 2005-10-10
ES2287295T3 (es) 2007-12-16
DE60220409T2 (de) 2008-01-24
EP1407566B1 (en) 2007-05-30
WO2003001711A1 (en) 2003-01-03
JP3962016B2 (ja) 2007-08-22
CN1518808A (zh) 2004-08-04
TW200629783A (en) 2006-08-16
EP1407566A1 (en) 2004-04-14
BR0211031A (pt) 2004-06-22
US20030031162A1 (en) 2003-02-13
KR20070065446A (ko) 2007-06-22
TWI239779B (en) 2005-09-11
NO20035741L (no) 2004-02-23
CA2451242A1 (en) 2003-01-03
US20050221848A1 (en) 2005-10-06
TW200746660A (en) 2007-12-16
JP2004533784A (ja) 2004-11-04
TWI276316B (en) 2007-03-11
ATE363777T1 (de) 2007-06-15
EP1407566A4 (en) 2004-09-22
KR20040007737A (ko) 2004-01-24
IL159390A0 (en) 2004-06-01
NO20035741D0 (no) 2003-12-19
DE60220409D1 (de) 2007-07-12

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