Spatial multiplexing or space-division multiplexing (SM, SDM or SMX) is a multiplexing technique in MIMO wireless communication, fiber-optic communication and other communications technologies used to transmit independent channels separated in space. == Fiber-optic communication == In fiber-optic communication SDM refers to the usage of the transverse dimension of the fiber to separate the channels.
Spatial multiplexing or space-division multiplexing (SM, SDM or SMX) is a multiplexing technique in MIMO wireless communication, fiber-optic communication and other communications technologies used to transmit independent channels separated in space. == Fiber-optic communication == In fiber-optic communication SDM refers to the usage of the transverse dimension of the fiber to separate the channels.
Source: Wikipedia "Spatial multiplexing" · CC BY-SA 4.0
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