AR044290A1 - Un metodo y aparato para traspaso con continuidad (soft handover) y traspaso entre sectores pertenecientes a una misma estacion base (softer handover) de una unidad inalambrica de transmision / recepcion (wtru) entre dos o mas estaciones base y/o sectores de estacion base en redes tdd-cdma - Google Patents

Un metodo y aparato para traspaso con continuidad (soft handover) y traspaso entre sectores pertenecientes a una misma estacion base (softer handover) de una unidad inalambrica de transmision / recepcion (wtru) entre dos o mas estaciones base y/o sectores de estacion base en redes tdd-cdma

Info

Publication number
AR044290A1
AR044290A1 ARP040101594A ARP040101594A AR044290A1 AR 044290 A1 AR044290 A1 AR 044290A1 AR P040101594 A ARP040101594 A AR P040101594A AR P040101594 A ARP040101594 A AR P040101594A AR 044290 A1 AR044290 A1 AR 044290A1
Authority
AR
Argentina
Prior art keywords
base stations
wtru
base station
transfer
handover
Prior art date
Application number
ARP040101594A
Other languages
English (en)
Inventor
Donald M Grieco
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 AR044290A1 publication Critical patent/AR044290A1/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
    • 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • 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
    • H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection

Landscapes

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

Abstract

Un sistema de comunicación inalámbrica provee un método y aparato para traspaso con continuidad ("soft handover") y traspaso entre sectores pertenecientes a una misma estación base ("softer handover") de una unidad inalámbrica de transmisión/recepción (WTRU) entre dos o más estaciones base y/o sectores de estación base. Una unidad de control de red asigna estaciones base seleccionadas para transmitir datos de comunicación a la WTRU en base a la WTRU que está dispuesta en un rango geográfico de servicio de una estación base o de un sector de la estación base. Un receptor detector conjunto (JD) de la WTRU está configurado para recibir y procesar una o más señales de datos inalámbricas en cada una de una serie de tramas de tiempo donde cada señal recibida dentro de una ranura de tiempo común tiene una única codificación de canal de los mismos datos de comunicación. El receptor JD tiene una pluralidad de estimadores de canal que estiman señales recibidas dentro de una ranura de tiempo común y un combinador configurado para decodificar y combinar los estimados de canal para derivar una señal de datos resultante.
ARP040101594A 2003-05-13 2004-05-11 Un metodo y aparato para traspaso con continuidad (soft handover) y traspaso entre sectores pertenecientes a una misma estacion base (softer handover) de una unidad inalambrica de transmision / recepcion (wtru) entre dos o mas estaciones base y/o sectores de estacion base en redes tdd-cdma AR044290A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46999003P 2003-05-13 2003-05-13
US10/749,458 US6944142B2 (en) 2003-05-13 2003-12-31 Method for soft and softer handover in time division duplex code division multiple access (TDD-CDMA) networks

Publications (1)

Publication Number Publication Date
AR044290A1 true AR044290A1 (es) 2005-09-07

Family

ID=33423939

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP040101594A AR044290A1 (es) 2003-05-13 2004-05-11 Un metodo y aparato para traspaso con continuidad (soft handover) y traspaso entre sectores pertenecientes a una misma estacion base (softer handover) de una unidad inalambrica de transmision / recepcion (wtru) entre dos o mas estaciones base y/o sectores de estacion base en redes tdd-cdma

Country Status (15)

Country Link
US (2) US6944142B2 (es)
EP (1) EP1627475A4 (es)
JP (2) JP4669841B2 (es)
KR (4) KR100988537B1 (es)
AR (1) AR044290A1 (es)
AU (3) AU2004239630B2 (es)
BR (1) BRPI0411173A (es)
CA (1) CA2525659A1 (es)
GE (1) GEP20104990B (es)
IL (1) IL204986A0 (es)
MX (1) MXPA05012175A (es)
NO (1) NO20055769L (es)
SG (1) SG165172A1 (es)
TW (3) TW200810573A (es)
WO (1) WO2004102616A2 (es)

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Also Published As

Publication number Publication date
TW200425757A (en) 2004-11-16
US20040228305A1 (en) 2004-11-18
WO2004102616A3 (en) 2005-04-21
KR20100044915A (ko) 2010-04-30
EP1627475A2 (en) 2006-02-22
WO2004102616A2 (en) 2004-11-25
IL204986A0 (en) 2010-11-30
MXPA05012175A (es) 2006-02-08
NO20055769D0 (no) 2005-12-05
US7773562B2 (en) 2010-08-10
JP4669841B2 (ja) 2011-04-13
KR100988537B1 (ko) 2010-10-20
AU2007202316A1 (en) 2007-06-14
CA2525659A1 (en) 2004-11-25
US20060007896A1 (en) 2006-01-12
TW200810573A (en) 2008-02-16
AU2004239630B2 (en) 2007-02-22
GEP20104990B (en) 2010-05-25
AU2007202316B2 (en) 2009-08-13
US6944142B2 (en) 2005-09-13
KR20060009350A (ko) 2006-01-31
JP2009182987A (ja) 2009-08-13
TW200527930A (en) 2005-08-16
AU2004239630A1 (en) 2004-11-25
AU2009236014A1 (en) 2009-12-03
BRPI0411173A (pt) 2006-07-18
JP2007504784A (ja) 2007-03-01
EP1627475A4 (en) 2011-06-15
TWI270303B (en) 2007-01-01
KR20070102582A (ko) 2007-10-18
KR20090108105A (ko) 2009-10-14
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NO20055769L (no) 2005-12-05
SG165172A1 (en) 2010-10-28

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