Abstract
In this paper, we confirm that load modulation technique can support generation of high-order m-QAM symbols for LM-MIMO system. And then we evaluate performance of LM-MIMO system using load modulated symbols. A number of RF chains can cause various problems in conventional MIMO system. On the other hand, LM-MIMO system requires single RF chain only. Therefore, LM-MIMO system has low-complexity and low power consumption. As results, we can confirm that load modulation of T-model can generate high-order m-QAM symbols. Also, we can confirm that 4×4 LM-MIMO system with single RF chain has a similar performance to conventional 4×4 MIMO system with a number of RF chains.
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