BRPI0411173A - método de entrega mole e mais mole em redes de múltiplo acesso por divisão de códigos duplex por divisão de tempo (tdd-cdma) - Google Patents

método de entrega mole e mais mole em redes de múltiplo acesso por divisão de códigos duplex por divisão de tempo (tdd-cdma)

Info

Publication number
BRPI0411173A
BRPI0411173A BRPI0411173-7A BRPI0411173A BRPI0411173A BR PI0411173 A BRPI0411173 A BR PI0411173A BR PI0411173 A BRPI0411173 A BR PI0411173A BR PI0411173 A BRPI0411173 A BR PI0411173A
Authority
BR
Brazil
Prior art keywords
wtru
soft
base station
tdd
cdma
Prior art date
Application number
BRPI0411173-7A
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 BRPI0411173A publication Critical patent/BRPI0411173A/pt

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

"MéTODO DE ENTREGA MOLE E MAIS MOLE EM REDES DE MúLTIPLO ACESSO POR DIVISãO DE CóDIGOS DUPLEX POR DIVISãO DE TEMPO (TDD-CDMA)". Sistema, método e aparelho de comunicação sem fio são fornecidos para entrega mole e mais mole de uma unidade de recepção e transmissão sem fio móvel (WTRU) entre duas ou mais estações base e/ou setores de estações base. Uma unidade de controle de rede atribui estações base selecionadas para transmitir dados de comunicações para a WTRU com base na WTRU sendo disposta na estação base ou na faixa de serviço geográfica do setor de estação base. Um receptor de detector conjunto de WTRU (JD) é configurado para receber e processar um ou mais sinais de dados sem fio em cada uma dentre uma série de espaços de tempo em que cada sinal recebido dentro de um espaço de tempo comum possui codificação de canal exclusiva dos mesmos dados de comunicação. O receptor de JD contém uma série de dispositivos de estimativa de canais que estimam os sinais recebidos dentro de um espaço de tempo comum e um combinador configurado para decodificar e combinar as estimativas de canais para derivar um sinal de dados resultante.
BRPI0411173-7A 2003-05-13 2004-04-16 método de entrega mole e mais mole em redes de múltiplo acesso por divisão de códigos duplex por divisão de tempo (tdd-cdma) BRPI0411173A (pt)

Applications Claiming Priority (3)

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
PCT/US2004/011606 WO2004102616A2 (en) 2003-05-13 2004-04-16 Method for soft and softer handover in time division duplex code division multiple access (tdd-cdma) networks

Publications (1)

Publication Number Publication Date
BRPI0411173A true BRPI0411173A (pt) 2006-07-18

Family

ID=33423939

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0411173-7A BRPI0411173A (pt) 2003-05-13 2004-04-16 método de entrega mole e mais mole em redes de múltiplo acesso por divisão de códigos duplex por divisão de tempo (tdd-cdma)

Country Status (15)

Country Link
US (2) US6944142B2 (pt)
EP (1) EP1627475A4 (pt)
JP (2) JP4669841B2 (pt)
KR (4) KR20090108105A (pt)
AR (1) AR044290A1 (pt)
AU (3) AU2004239630B2 (pt)
BR (1) BRPI0411173A (pt)
CA (1) CA2525659A1 (pt)
GE (1) GEP20104990B (pt)
IL (1) IL204986A0 (pt)
MX (1) MXPA05012175A (pt)
NO (1) NO20055769L (pt)
SG (1) SG165172A1 (pt)
TW (3) TWI270303B (pt)
WO (1) WO2004102616A2 (pt)

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Also Published As

Publication number Publication date
AU2009236014A1 (en) 2009-12-03
TWI270303B (en) 2007-01-01
NO20055769D0 (no) 2005-12-05
WO2004102616A3 (en) 2005-04-21
JP2009182987A (ja) 2009-08-13
US20040228305A1 (en) 2004-11-18
GEP20104990B (en) 2010-05-25
EP1627475A2 (en) 2006-02-22
AU2004239630A1 (en) 2004-11-25
EP1627475A4 (en) 2011-06-15
US7773562B2 (en) 2010-08-10
NO20055769L (no) 2005-12-05
IL204986A0 (en) 2010-11-30
AU2007202316B2 (en) 2009-08-13
KR100988537B1 (ko) 2010-10-20
KR20100044915A (ko) 2010-04-30
SG165172A1 (en) 2010-10-28
CA2525659A1 (en) 2004-11-25
TW200527930A (en) 2005-08-16
AR044290A1 (es) 2005-09-07
MXPA05012175A (es) 2006-02-08
KR100988540B1 (ko) 2010-10-20
JP2007504784A (ja) 2007-03-01
AU2007202316A1 (en) 2007-06-14
US6944142B2 (en) 2005-09-13
TW200425757A (en) 2004-11-16
AU2004239630B2 (en) 2007-02-22
JP4669841B2 (ja) 2011-04-13
KR20060009350A (ko) 2006-01-31
US20060007896A1 (en) 2006-01-12
WO2004102616A2 (en) 2004-11-25
TW200810573A (en) 2008-02-16
KR20070102582A (ko) 2007-10-18
KR20090108105A (ko) 2009-10-14

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