AR063487A2 - Una unidad inalambrica de transmision / recepcion (wtru), una unidad movil para su uso en un sistema celular movil que comprende a dicha wtru, una estacion base que comprende a dicha wtru, y un metodo para dicha wtru - Google Patents

Una unidad inalambrica de transmision / recepcion (wtru), una unidad movil para su uso en un sistema celular movil que comprende a dicha wtru, una estacion base que comprende a dicha wtru, y un metodo para dicha wtru

Info

Publication number
AR063487A2
AR063487A2 ARP070104615A ARP070104615A AR063487A2 AR 063487 A2 AR063487 A2 AR 063487A2 AR P070104615 A ARP070104615 A AR P070104615A AR P070104615 A ARP070104615 A AR P070104615A AR 063487 A2 AR063487 A2 AR 063487A2
Authority
AR
Argentina
Prior art keywords
wtru
mobile
base station
wireless transmission
early
Prior art date
Application number
ARP070104615A
Other languages
English (en)
Inventor
Bin Li
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 AR063487A2 publication Critical patent/AR063487A2/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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • H04B1/69—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
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B2001/70706—Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Transmission System (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

Una unidad inalámbrica de transmision/recepcion (WTRU) que comprende: un receptor configurado para recibir y muestrear senales inalámbricas de espectro ensanchado; incluyendo dicho receptor: un reunificador configurado para reunificar muestras tempranas y tardías mediante el uso de un secuencia de pseudos-ruido; un detector temprano-tardío configurado para generar senales de error desde la salida del reunificador; un componente de bucle de realimentacion configurado para proveer seguimiento de tiempo para una pluralidad de muestras a tiempo, tempranas y tardías, y para proveer un ajuste en base a un signo de una acumulacion de las senales de error generadas, pero no de la magnitud de las muestras o de las senales de error. También se divulga una unidad movil para su uso en un sistema celular movil que comprende a la WTRU, una estacion base que comprende a la WTRU, y un método para WTRU.
ARP070104615A 2002-04-29 2007-10-18 Una unidad inalambrica de transmision / recepcion (wtru), una unidad movil para su uso en un sistema celular movil que comprende a dicha wtru, una estacion base que comprende a dicha wtru, y un metodo para dicha wtru AR063487A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37646502P 2002-04-29 2002-04-29

Publications (1)

Publication Number Publication Date
AR063487A2 true AR063487A2 (es) 2009-01-28

Family

ID=29401351

Family Applications (2)

Application Number Title Priority Date Filing Date
ARP030101484A AR039487A1 (es) 2002-04-29 2003-04-29 Circuito cerrado, simple y robusto, para rastreo digital de codigo para sistemas de comunicacion inalambrica
ARP070104615A AR063487A2 (es) 2002-04-29 2007-10-18 Una unidad inalambrica de transmision / recepcion (wtru), una unidad movil para su uso en un sistema celular movil que comprende a dicha wtru, una estacion base que comprende a dicha wtru, y un metodo para dicha wtru

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ARP030101484A AR039487A1 (es) 2002-04-29 2003-04-29 Circuito cerrado, simple y robusto, para rastreo digital de codigo para sistemas de comunicacion inalambrica

Country Status (13)

Country Link
US (4) US7372892B2 (es)
EP (2) EP2544380A1 (es)
JP (3) JP3944510B2 (es)
KR (4) KR101005524B1 (es)
CN (2) CN1906860B (es)
AR (2) AR039487A1 (es)
AU (1) AU2003237126A1 (es)
CA (2) CA2483561C (es)
HK (1) HK1095932A1 (es)
MX (1) MXPA04010412A (es)
NO (1) NO20044720L (es)
TW (5) TWI248726B (es)
WO (1) WO2003093929A2 (es)

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Also Published As

Publication number Publication date
US20100215084A1 (en) 2010-08-26
KR20100075651A (ko) 2010-07-02
KR20040105248A (ko) 2004-12-14
TW201006144A (en) 2010-02-01
US20120269236A1 (en) 2012-10-25
US20080212655A1 (en) 2008-09-04
HK1095932A1 (en) 2007-05-18
WO2003093929A2 (en) 2003-11-13
CN1906860A (zh) 2007-01-31
US8379694B2 (en) 2013-02-19
AR039487A1 (es) 2005-02-23
TW200423567A (en) 2004-11-01
CN101888260A (zh) 2010-11-17
JP2007228638A (ja) 2007-09-06
CA2653507A1 (en) 2003-11-13
CN1906860B (zh) 2010-12-29
US7372892B2 (en) 2008-05-13
KR101005524B1 (ko) 2011-01-04
KR20050090089A (ko) 2005-09-12
NO20044720L (no) 2004-11-01
US20040029609A1 (en) 2004-02-12
JP4072556B2 (ja) 2008-04-09
TW200400702A (en) 2004-01-01
MXPA04010412A (es) 2005-02-17
EP2544380A1 (en) 2013-01-09
CA2483561C (en) 2009-06-09
JP2006180535A (ja) 2006-07-06
JP3944510B2 (ja) 2007-07-11
US7715463B2 (en) 2010-05-11
CA2483561A1 (en) 2003-11-13
EP1500208A2 (en) 2005-01-26
JP2005524314A (ja) 2005-08-11
TWI324861B (en) 2010-05-11
AU2003237126A1 (en) 2003-11-17
KR20090014316A (ko) 2009-02-09
WO2003093929A3 (en) 2004-02-26
CA2653507C (en) 2013-04-09
TW201345175A (zh) 2013-11-01
TWI248726B (en) 2006-02-01
EP1500208A4 (en) 2009-03-25
TWI399931B (zh) 2013-06-21
TWI309926B (en) 2009-05-11
US9525455B2 (en) 2016-12-20
AU2003237126A8 (en) 2003-11-17

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