Method and apparatus for supporting multi-user and single-user MIMO in a wireless communication system

    公开(公告)号:AU2009279485C1

    公开(公告)日:2014-04-10

    申请号:AU2009279485

    申请日:2009-08-07

    Applicant: QUALCOMM INC

    Abstract: Techniques for supporting distributed multiple-input multiple-output (MIMO) transmissions are described. In one design, a user equipment (UE) determines channel estimates for multiple cells and reports the channel estimates. The UE thereafter receives a data transmission sent by the multiple cells to the UE based on the channel estimates. The data transmission may include at least one data stream, and each data stream may be sent by one cell or the multiple cells to the UE. In another design, a UE determines first and second channel estimates for first and second cells, respectively, and reports the channel estimates. The UE then receives a first data transmission sent by the first cell to the UE based on the first channel estimate. The UE also receives a second data transmission sent by the second cell to another UE and steered away from the UE based on the second channel estimate.

    METHOD AND APPARATUS FOR SUPPORTING MULTI-USER AND SINGLE-USER MIMO IN A WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:HK1158843A1

    公开(公告)日:2012-07-20

    申请号:HK11111035

    申请日:2011-10-17

    Applicant: QUALCOMM INC

    Abstract: Techniques for supporting distributed multiple-input multiple-output (MIMO) transmissions are described. In one design, a user equipment (UE) determines channel estimates for multiple cells and reports the channel estimates. The UE thereafter receives a data transmission sent by the multiple cells to the UE based on the channel estimates. The data transmission may include at least one data stream, and each data stream may be sent by one cell or the multiple cells to the UE. In another design, a UE determines first and second channel estimates for first and second cells, respectively, and reports the channel estimates. The UE then receives a first data transmission sent by the first cell to the UE based on the first channel estimate. The UE also receives a second data transmission sent by the second cell to another UE and steered away from the UE based on the second channel estimate.

    Transmisiones coordinadas entre células de una estación de base en un sistema de comunicaciones inalámbricas

    公开(公告)号:ES2526553T3

    公开(公告)日:2015-01-13

    申请号:ES09791205

    申请日:2009-08-06

    Applicant: QUALCOMM INC

    Abstract: Un aparato (102) de comunicaciones inalámbricas, que comprende: un medio para proporcionar cobertura de una primera célula (104i) mediante un primer sistema (106i) de antena; un medio para proporcionar cobertura de una segunda célula (104j) mediante un segundo sistema (106j) de antena; un medio de procesamiento de datos para su transmisión a un dispositivo móvil de la primera célula utilizando los primero y segundo sistemas de antena caracterizado por: un medio de generación de unas primera y segunda señales de referencia para su transmisión en las primera y segunda células, respectivamente; y un medio de punzonado (102) de los datos para su transmisión en la primera célula cuando las primera y segunda señales de referencia no entren en colisión y de punzonado (102) de la primera señal de referencia cuando las primera y segunda señales de referencia entren en colisión, para hacer posible que el dispositivo móvil genere la segunda estimación de canal procedente de la segunda señal de referencia.

    Method and apparatus for supporting multi-user and single-user MIMO in a wireless communication system

    公开(公告)号:AU2009279485B2

    公开(公告)日:2013-09-26

    申请号:AU2009279485

    申请日:2009-08-07

    Applicant: QUALCOMM INC

    Abstract: Techniques for supporting distributed multiple-input multiple-output (MIMO) transmissions are described. In one design, a user equipment (UE) determines channel estimates for multiple cells and reports the channel estimates. The UE thereafter receives a data transmission sent by the multiple cells to the UE based on the channel estimates. The data transmission may include at least one data stream, and each data stream may be sent by one cell or the multiple cells to the UE. In another design, a UE determines first and second channel estimates for first and second cells, respectively, and reports the channel estimates. The UE then receives a first data transmission sent by the first cell to the UE based on the first channel estimate. The UE also receives a second data transmission sent by the second cell to another UE and steered away from the UE based on the second channel estimate.

    METHOD AND APPARATUS FOR SUPPORTING MULTI-USER AND SINGLE-USER MIMO IN A WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:CA2731510A1

    公开(公告)日:2010-02-11

    申请号:CA2731510

    申请日:2009-08-07

    Applicant: QUALCOMM INC

    Abstract: Techniques for supporting distributed multiple-input multiple-output (MIMO) transmissions are described. In one design, a user equipment (UE) determines channel estimates for multiple cells and reports the channel estimates. The UE thereafter receives a data transmission sent by the multiple cells to the UE based on the channel estimates. The data transmission may include at least one data stream, and each data stream may be sent by one cell or the multiple cells to the UE. In another design, a UE determines first and second channel estimates for first and second cells, respectively, and reports the channel estimates. The UE then receives a first data transmission sent by the first cell to the UE based on the first channel estimate. The UE also receives a second data transmission sent by the second cell to another UE and steered away from the UE based on the second channel estimate.

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