MIMO

OSTBC, sphere decoding, and massive MIMO

Model space-time coding for MIMO channels and for encoding, combining, and decoding MIMO signals.

Functions

`blkdiagbfweights`	MIMO channel block diagonalized weights (Since R2020a)
`ofdmPrecode`	Precode MIMO-OFDM input data (Since R2024b)

Objects

`comm.OSTBCCombiner`	Combine inputs using orthogonal space-time block code
`comm.OSTBCEncoder`	Encode input using orthogonal space-time block code
`comm.SphereDecoder`	Decode input using sphere decoder

Blocks

OSTBC Combiner	Combine inputs using orthogonal space-time block code
OSTBC Encoder	Encode input message using orthogonal space-time block code
Sphere Decoder	Decode input using a sphere decoder

Topics

What Is MIMO?
Explore multiple-input multiple-output (MIMO) configurations in wireless communication systems.

MIMO Techniques

Learn about MIMO techniques and various software features.
- Spatial Multiplexing
- Beamforming
- Spatial Diversity
- MIMO Terminology

Featured Examples

Introduction to MIMO Systems

Model Multiple-Input-Multiple-Output (MIMO) systems that use multiple antennas at the transmitter and receiver ends of a wireless communication system.

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Apply OFDM in MIMO Simulation

OFDM in 2-by-2 MIMO simulation.

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MIMO-OFDM Precoding with Phased Arrays

How phased arrays are used in a MIMO-OFDM communication system employing beamforming. Using components from Communications Toolbox™ and Phased Array System Toolbox™, it models the radiating elements that comprise a transmitter and the front-end receiver components, for a MIMO-OFDM communication system. With user-specified parameters, you can validate the performance of the system in terms of bit error rate and constellations for different spatial locations and array sizes.

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Concatenated OSTBC with TCM

Simulate orthogonal space-time block code concatenated with trellis-coded modulation for information transmission over a 2-by-1 MIMO channel.

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Concatenated OSTBC with TCM in Simulink

Model orthogonal space-time block code concatenated with trellis-coded modulation for information transmission over a 2-by-1 MIMO channel in Simulink^®.

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Spatial Multiplexing

Simulate spatial multiplexing schemes subdividing the data stream into independent sub-streams, one for each transmit antenna employed.

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Massive MIMO Hybrid Beamforming

Observe hybrid beamforming at the transmit end of a massive MIMO communications system, using techniques for both multi-user and single-user systems.

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802.11ac Multiuser MIMO Precoding with WINNER II Channel Model

Transmit and receive processing for a IEEE^® 802.11ac™ multiuser downlink transmission over a WINNER II fading channel.

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OSTBC Transmission with Antenna Coupling

Simulate the effects of antenna mutual coupling on the performance of an orthogonal space-time block code (OSTBC) transmission over a multiple-input multiple-output (MIMO) channel.

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