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MXPA04004329A - Metodo y aparato par mitigar la interferencia de canal adyacente en un sistema de comunicacion inalambrica. - Google Patents

Metodo y aparato par mitigar la interferencia de canal adyacente en un sistema de comunicacion inalambrica.

Info

Publication number
MXPA04004329A
MXPA04004329A MXPA04004329A MXPA04004329A MXPA04004329A MX PA04004329 A MXPA04004329 A MX PA04004329A MX PA04004329 A MXPA04004329 A MX PA04004329A MX PA04004329 A MXPA04004329 A MX PA04004329A MX PA04004329 A MXPA04004329 A MX PA04004329A
Authority
MX
Mexico
Prior art keywords
aci
filter
communication system
detected
adjacent channel
Prior art date
Application number
MXPA04004329A
Other languages
English (en)
Inventor
Jesus Fernandez-Corbaton Ivan
Original Assignee
Qualcomm Inc
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 Inc filed Critical Qualcomm Inc
Publication of MXPA04004329A publication Critical patent/MXPA04004329A/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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Tecnicas para detectar y mitigar la interferencia de canal adyacente (ACI) en un sistema de comunicacion inalambrica (por ejemplo, CDMA). En un aspecto, la ACI puede determinarse por senalizacion o deteccion filtrando una senal pre-procesada en cada rango de frecuencia donde ACI puede estar presente (por ejemplo con un filtro de paso de banda respectivo), estimar la energia de la senal filtrada para cada rango de frecuencia, comparar la energia estimada contra un umbral ACI, e indicar la presencia o ausencia de ACI en cada rango de frecuencia basado en el resultado de la comparacion. En otro aspecto, un filtro seleccionable (por ejemplo, un filtro FIR) tiene un numero de respuestas de filtro posibles (por ejemplo proporcionadas por un numero de juegos de coeficientes de filtro) puede utilizarse para proporcionar la filtracion por la senal procesada y rechazar cualquier ACI detectado. Una de las respuestas de filtro posibles se selecciona para el uso dependiendo de si y en donde la ACI se ha detectado.
MXPA04004329A 2001-11-08 2002-10-29 Metodo y aparato par mitigar la interferencia de canal adyacente en un sistema de comunicacion inalambrica. MXPA04004329A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/007,298 US6901243B2 (en) 2001-11-08 2001-11-08 Method and apparatus for mitigating adjacent channel interference in a wireless communication system
PCT/US2002/034808 WO2003041287A1 (en) 2001-11-08 2002-10-29 Method and apparatus for mitigating adjacent channel interferencein a wireless communication system

Publications (1)

Publication Number Publication Date
MXPA04004329A true MXPA04004329A (es) 2004-09-13

Family

ID=21725349

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04004329A MXPA04004329A (es) 2001-11-08 2002-10-29 Metodo y aparato par mitigar la interferencia de canal adyacente en un sistema de comunicacion inalambrica.

Country Status (12)

Country Link
US (1) US6901243B2 (es)
EP (1) EP1442530A1 (es)
JP (1) JP2005509352A (es)
KR (1) KR20050056927A (es)
BR (1) BR0213984A (es)
CA (1) CA2465729A1 (es)
IL (1) IL161730A0 (es)
MX (1) MXPA04004329A (es)
NO (1) NO20042343L (es)
RU (1) RU2004117213A (es)
TW (1) TW200300310A (es)
WO (1) WO2003041287A1 (es)

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Also Published As

Publication number Publication date
NO20042343L (no) 2004-07-23
US20030087622A1 (en) 2003-05-08
TW200300310A (en) 2003-05-16
CA2465729A1 (en) 2003-05-15
BR0213984A (pt) 2005-05-10
WO2003041287A1 (en) 2003-05-15
EP1442530A1 (en) 2004-08-04
JP2005509352A (ja) 2005-04-07
RU2004117213A (ru) 2005-03-27
IL161730A0 (en) 2005-11-20
US6901243B2 (en) 2005-05-31
KR20050056927A (ko) 2005-06-16

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