About: Multi-user MIMO   Sponge Permalink

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In radio, Multi-user MIMO (MU-MIMO) is a set of advanced MIMO, multiple-input and multiple-output (pronounced mee-moh or my-moh), technologies that exploit the availability of multiple independent radio terminals in order to enhance the communication capabilities of each individual terminal. To contrast, Single-user MIMO only considers access to the multiple antennas that are physically connected to each individual terminal. A widely-known scheme of MU-MIMO is Space-division multiple access (SDMA), which allows a terminal to transmit (or receive) signal to (or from) multiple users in the same band simultaneously.

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  • Multi-user MIMO
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  • In radio, Multi-user MIMO (MU-MIMO) is a set of advanced MIMO, multiple-input and multiple-output (pronounced mee-moh or my-moh), technologies that exploit the availability of multiple independent radio terminals in order to enhance the communication capabilities of each individual terminal. To contrast, Single-user MIMO only considers access to the multiple antennas that are physically connected to each individual terminal. A widely-known scheme of MU-MIMO is Space-division multiple access (SDMA), which allows a terminal to transmit (or receive) signal to (or from) multiple users in the same band simultaneously.
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abstract
  • In radio, Multi-user MIMO (MU-MIMO) is a set of advanced MIMO, multiple-input and multiple-output (pronounced mee-moh or my-moh), technologies that exploit the availability of multiple independent radio terminals in order to enhance the communication capabilities of each individual terminal. To contrast, Single-user MIMO only considers access to the multiple antennas that are physically connected to each individual terminal. A widely-known scheme of MU-MIMO is Space-division multiple access (SDMA), which allows a terminal to transmit (or receive) signal to (or from) multiple users in the same band simultaneously. Like the relationship between OFDM and OFDMA, MU-MIMO (and, similarly, SDMA) can be thought of as an extension of MIMO applied in various ways as a multiple access strategy. A significant difference is that the performance of MU-MIMO relies on precoding capability than OFDMA so that if the transmitter does not use precoding, the performance advantage of MU-MIMO is not achievable. Multiple access MIMO, MIMO-SDMA, many transmit antenna MIMO-SDMA, Cooperative MIMO, Network MIMO and Ad-hoc MIMO are all family terminologies within MU-MIMO, as each of those technologies leverages multiple users as a degree of freedom in achieving successful radio transmission.
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