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Samsung and Anritsu claim 1.2 Gbps with 6 carrier aggregation

01 August 2017

It's Samsung's move to throwback Qualcomm Snapdragon 835 that was the first to support 1 Gbps speeds.

This modem of Samsung comes with Cat.18 6CA (Carrier aggregation) technology which can provide up to 1.2 Gbps downloading speeds. However, Qualcomm isn't the only chip maker to offer gigabit download speeds.

CA (carrier aggregation) is technology that realizes wide bandwidth by grouping multiple frequency bands into one. The current Galaxy S8 models that have Samsung's Exynos 9 8895 processor have 5CA LTE support, which means they can "only" connect to five LTE bands at once, with theoretical download speed up to "just" 1.0 Gbps. Users will also be able to enjoy buffer-less video calls and mobile live-broadcasting.

The new LTE modem was developed in partnership with Anritsu, a telecommunication measuring instrument provider. Unless roadmaps change drastically, none of the US carriers will support six carrier aggregation in time for the next iPhone or the Galaxy S9.

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The chip will go into full production by the end of the year, guaranteeing its presence in next year's phones.

"With the increase of high-quality online content services, the demand for high-performance LTE modems continue to rise as well", said Woonhaing Hur, VP of LSI Protocol Development.

It supports 4x4 MIMO (multi-input, multi-output) and higher-order 256 quadrature amplitude modulation scheme to maximize data transfer rate. The 3GPP now defines carrier aggregation as a maximum of five component carriers, each having up to 20 megahertz of bandwidth. The modem also uses enhanced Licensed-Assisted Access (eLAA) that can aggregate licensed and unlicensed spectra.

Samsung and Anritsu claim 1.2 Gbps with 6 carrier aggregation