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T-Mobile boasted spectral efficiency gains in a new 5G demo with Ericsson that saw eight devices on the same cell hit speeds of 700 Mbps.The test leveraged 16-layer multi-user multi-input multi-output (MU-MIMO) technology and reached peak cell throughput of 5.6 Gbps operating on 2.5 GHz spectrum.
MU-MIMO boosts capacity, enabling more users to be served at the same time using the same radio resources. In this case the spectrum was a single 100 MHz channel of T-Mobile’s 2.5 GHz. MU-MIMO sends different layers to users via separate narrow beams simultaneously, with beamforming targeting streams in a specific direction.
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T-Mobile indicated that it means the operator could reuse more of its cell site infrastructure to reach many people without a degraded experience.
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“At scale, this technology means T-Mobile could connect massively more devices to the …
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