BR0209641A - alocação de recursos de uplink em um sistema de comunicação de múltiplas entradas e múltiplas saìdas (mimo) - Google Patents

alocação de recursos de uplink em um sistema de comunicação de múltiplas entradas e múltiplas saìdas (mimo)

Info

Publication number
BR0209641A
BR0209641A BRPI0209641-2A BR0209641A BR0209641A BR 0209641 A BR0209641 A BR 0209641A BR 0209641 A BR0209641 A BR 0209641A BR 0209641 A BR0209641 A BR 0209641A
Authority
BR
Brazil
Prior art keywords
evaluated
hypothesis
terminal
communication system
terminals
Prior art date
Application number
BRPI0209641-2A
Other languages
English (en)
Other versions
BRPI0209641B1 (pt
Inventor
Jay Rod Walton
Mark S Wallace
Steven J Howard
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 BR0209641A publication Critical patent/BR0209641A/pt
Publication of BRPI0209641B1 publication Critical patent/BRPI0209641B1/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/121Wireless traffic scheduling for groups of terminals or users
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0417Feedback systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0697Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891Space-time diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling

Abstract

"ALOCAçãO DE RECURSOS DE UPLINK EM UM SISTEMA DE COMUNICAçãO DE MúLTIPLAS ENTRADAS E MúLTIPLAS SAìDAS (MIMO)". São descritas técnicas de programação de transmissão de dados de uplink para um número de terminais (106) em um sistema de comunicação sem fio. Em um método, um número de conjuntos de terminais (100) é formado para possível transmissão de dados, com cada conjunto incluindo uma combinação única de terminais e corresponde a uma hipótese a ser avaliada. O desempenho de cada hipótese é avaliado (por exemplo, com base nas estimativas de resposta de canal para cada terminal) e uma das hipóteses avaliadas é selecionada com base no desempenho. Os terminais na hipótese selecionada são programados para a transmissão de dados. Um esquema de processamento de receptor de cancelamento sucessivo pode ser utilizado para processar os sinais transmitidos pelos terminais programados. Nesse caso, uma ou mais ordenações dos terminais em cada conjunto pode ser formada, com cada ordenação de terminal correspondendo a uma sub-hipótese a ser avaliada. O desempenho de cada sub-hipótese é então avaliado e uma das sub-hipóteses é selecionada.
BRPI0209641A 2001-05-16 2002-05-14 alocação de recursos de uplink em um sistema de comunicação de múltiplas entradas e múltiplas saídas (mimo) BRPI0209641B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/859,346 US7047016B2 (en) 2001-05-16 2001-05-16 Method and apparatus for allocating uplink resources in a multiple-input multiple-output (MIMO) communication system
PCT/US2002/015300 WO2002093782A1 (en) 2001-05-16 2002-05-14 Allocation of uplink resourses in a multi-input multi-output (mimo) communication system

Publications (2)

Publication Number Publication Date
BR0209641A true BR0209641A (pt) 2006-11-14
BRPI0209641B1 BRPI0209641B1 (pt) 2017-05-09

Family

ID=25330686

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0209641A BRPI0209641B1 (pt) 2001-05-16 2002-05-14 alocação de recursos de uplink em um sistema de comunicação de múltiplas entradas e múltiplas saídas (mimo)

Country Status (16)

Country Link
US (2) US7047016B2 (pt)
EP (2) EP1393466B1 (pt)
JP (1) JP4455816B2 (pt)
KR (1) KR100916167B1 (pt)
CN (1) CN1319292C (pt)
AU (1) AU2002303737B2 (pt)
BR (1) BRPI0209641B1 (pt)
CA (2) CA2736610C (pt)
HK (1) HK1066655A1 (pt)
IL (1) IL158896A0 (pt)
MX (1) MXPA03010519A (pt)
NO (1) NO20035071D0 (pt)
RU (1) RU2288538C2 (pt)
TW (1) TW569561B (pt)
UA (1) UA75405C2 (pt)
WO (1) WO2002093782A1 (pt)

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Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2670 DE 08-03-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.