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SK Telecom achieves 1Gbps speeds in trial of Licensed Assisted Access with Ericsson
origin : Telegeography
Date : 2017-07-17
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South Korean mobile network operator (MNO) SK Telecom (SKT) has successfully tested mobile broadband with Ericsson’s Licensed Assisted Access solution. In a press release confirming the development, the Swedish vendor said that the test had been carried out indoors using smartphones, with downlink data speeds of 1Gbps recorded. Licensed Assisted Access is a technology combining licensed LTE spectrum and unlicensed spectrum. In this trial, SKT used one LTE 20MHz band and three Wi-Fi 20MHz bands, while also applying Ericsson’s 4×4 multiple-input, multiple-output (MIMO) functionality in the LTE frequency band. In addition, Listen-Before-Talk technology was reportedly applied to both the Wi-Fi and LTE networks to ‘maximise the utilisation of the available spectrum and reduce resource contention’. Commenting on the trial, Park Jin-hyo, Head of Network Research and Development at SKT, was cited as saying: ‘The technology that we have tested is the starting point for an evolution to 5G, and SK Telecom will continue to develop the infrastructure so that users can experience 5G service as soon as possible.’