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ICACT20230234 Question.1
Questioner: ce211037@meiji.ac.jp    2023-02-20 ¿ÀÈÄ 5:58:24 		ICACT20230234 Answer.1
Answer by Auhor matsumuro@atr.jp   2023-02-20 ¿ÀÈÄ 5:58:24
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What points of concern do you think should be addressed when changing from Rayleigh fading to Nakagami-Rice fading? In addition, research on Large MIMO has become popular in recent years. This study uses 4x4 MIMO, but do you expect similar results if the number of antennas is increased? Thank you for your question. In Nakagami-Rice fading, when the direct wave component increases, the receiving antenna cannot distinguish the transmission antennas in the case of array antennas. This means that rank 1 will have the best channel capacity. Thus, the problem of determining the optimal number of ranks becomes even more complex when direct and scattered waves are moderately mixed. Next, since the proposed method is independent of the number of antennas, it will basically work effectively even for large MIMO. It is expected that more receiving antennas will make it possible to cancel many interfering waves. However, the challenge for the system is to distinguish or predict these interfering waves.