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MIMO facts for kids

Kids Encyclopedia Facts

MIMO (Multiple Input, Multiple Output) is a technology which allows an antenna or multiple antennas to communicate with multiple devices, which minimizes errors and maximize efficiency. The most commonly used MIMO variant is MU-MIMO, which stands for Multiple User-Multiple Input, Multiple Output. In layman's terms, imagine a classroom with one teacher and many students who need help. Since there is only one teacher, it will take the teacher a while to fully help all the students. But if there are multiple teachers, students will get help much faster and better. The same way, a router with MU-MIMO technology will be able to communicate with multiple devices with increased speed and minimal errors.

MIMO technologies are most commonly found in routers, smartphones, laptops, TVs, etc.

Images for kids

  • MIMO with building

    MIMO exploits multipath propagation to multiply link capacity.

  • LteMimoAntennen

    Example of an antenna for LTE with 2 port antenna diversity

  • Kanalmatrix MIMO

    MIMO channel model

  • MIMO Capacity

    Ergodic closed-loop (channel is known, perfect CSI) and ergodic open-loop (channel is unknown, no CSI) capacities. Number of transmit and receive antennas is 4 (N_r=N_t=4).

See also

Kids robot.svg In Spanish: MIMO para niños

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