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Advanced MIMO: Stephane Teral on 4x4 MIMO & Massive MIMO

The advanced MIMO technologies are the most important technology for 4.5G evolution. It can ensure the shape of the beam stays stable by using multiple transmitters and receivers to obtain coverage and capacity gain. In low bands (<1GHz), which are coverage bands, 4T4R (or 4x4 MIMO) can do a perfect job. In high bands, Massive MIMO can help to obtain coverage and capacity gains. With the coming 4-receiver smartphones, user experience can be further improved.
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