Spatial Multiplexing System Model

Veröffentlicht am: 16 Juni 2022
auf dem Kanal: deva Sena

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Multiplexing is transmitting message from one or more transmitter to one or more receiver over the same medium.
There are many domains of multiplexing is available in radio system, including space, time, frequency, phase and wavelength.
In space division multiplexing (SDM), it propagates signal from different sources within same medium.
Thus the basic concept of multiplexing is to divide or multiplex a data stream into branches and transmitting them through several independent channels.
Spatial multiplexing in wireless communications is based on multi-input and multiple-output (MIMO) technology
Multiple antennas at both the transmitter and receiver are used to carry multiple data streams simultaneously within the same frequency band.
Spatial diversity is a technique in MIMO that reduces signal fading by sending multiple copies of the same radio signal through multiple antennas;
spatial multiplexing is a technique in MIMO that boosts data rates by sending the data payload in separate streams through spatially separated antennas.
It requires no bandwidth expansion.
It needs space time equalization in receiver.
Data streams can be separated by the equalizers.
It is a better alternative approach to spatial diversity.
Independent spatial channels give accurate results in transmission.

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