T-Mobile and Ericsson Exceed 1 Gbps With LAA Demo

T-Mobile and Ericsson Exceed 1 Gbps With LAA Demo

Foto: Fotolia

T-Mobile and Ericsson have achieved speeds of 1.1 Gbps using 12-layer Licensed Assisted Access (LAA) technology, the first in the world to hit speeds beyond the 1 Gbps threshold on unlicensed spectrum.

The demo took place at T-Mobile's Bellevue, Washington lab using Ericsson Radio System and the TM500 network test equipment from Cobham Wireless. The data speeds were achieved by combining several key LTE technologies including 256 QAM, 4x4 MIMO, and LAA by aggregating two licensed carriers and three unlicensed carriers.

The use of these LTE technologies on unlicensed spectrum complements licensed spectrum and makes it possible for a larger number of operators to reach gigabit speeds in their networks. LAA has been demonstrated previously on 10 layers, reaching download speeds of up to 1 Gbps. Extending to 12 layers enables speeds exceeding 1 Gbps.

The Ericsson Radio 2205 gives operators the opportunity to deploy LTE on the 5GHz unlicensed band in outdoor micro cell environments. Using LAA, the unlicensed carriers on these radios can be aggregated with licensed carriers on the micro cells or on nearby macro cells.

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