MIMO Test Setup

MIMO Channel Modeling

The basic idea behind deploying MIMO Systems is to use the multipath channel environment to increase the data rates (bits/sec)) and to improve the signal quality (BER) of a communication system by using multiple TX/RX antennas through a wireless link where the transmitted signal is expressed in three dimensional and described in terms of time, frequency and space when traveling over multiple transmission paths and collected in a smart way to obtain optimal gains.

The core of any MIMO system is the space-time coding (STC)which implements two main functions of STC; Diversity and Multiplexing as MIMO is not a multiple access technique however it uses the same frequency and operates simultaneously over multiple paths so no code separation required in MIMO systems and there’s no need for using steerable beams or smart antennas.

MIMO Advantages

  • Regardless of different multiplexing techniques (SIMO & MISO) MIMO provides a way to increase capacity without increasing power.
  • Providing multiple antenna systems through the transmission channel
  • Combating the multipath fading effect
  • Providing high bit rate over a rich-scattering propagation medium
  • Improving the spectral efficiency
  • Improving the coverage area
  • Improving the signal quality (BER) and link reliability

Theoretical Setup of 2X2 MIMO


Practical Setup of C700 as 2X2 MIMO


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