Multiple-input-multiple-output (MIMO) is used in many wireless technologies to achieve more capacity without using more spectrum.
In a wireless network, two wireless nodes communicate by transmitting and receiving data on a radio channel. This channel uses a certain amount of wireless spectrum but in a high number of developed areas, spectrum that is suitable for this type of communication is scarce, making using more of it impractical.
That’s where MIMO comes in.
In order for a wireless network to multiply its capacity without multiplying the use of the spectrum, MIMO technology is used.
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