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Uplink NOMA-MIMO Systems with Rayleigh Power Distribution.
Mikhail Bakulin1, Taoufik Ben Rejeb1, Vitaly Kreyndelin1
1Moscow Technical University of Communications and Informatics (MTUCI), Moscow 111024, Russia.
Sensors (Basel, Switzerland)
|June 10, 2022
Summary
Multiple-input multiple-output (MIMO) systems can function in overloaded mode, behaving like non-orthogonal multiple access (NOMA) systems. Statistical simulations confirm the viability of MIMO systems operating under these conditions.
Area of Science:
- Wireless Communication
- Signal Processing
Background:
- Multiple-input multiple-output (MIMO) systems are integral to modern wireless communications.
- Overloaded MIMO systems exhibit characteristics similar to non-orthogonal multiple access (NOMA) systems.
Purpose of the Study:
- To analyze the performance of MIMO systems operating in an overloaded mode.
- To investigate the potential of MIMO systems as NOMA systems.
Main Methods:
- Statistical computer simulation.
- Analysis of the capacity of a discrete-continuous multiuser MIMO uplink channel.
Main Results:
- The study demonstrates that MIMO systems can effectively operate in an overloaded state.
- The capacity analysis provides evidence for the feasibility of overloaded MIMO systems.
Conclusions:
- MIMO systems can be effectively utilized in overloaded scenarios, offering NOMA-like functionality.
- The findings support the practical application of overloaded MIMO systems in wireless networks.
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