Deutsche Telekom, Samsung prepare 'disruptive' technology to boost LTE cell edge coverage

Deutsche Telekom said it has taken the first step towards deploying a disruptive technology developed in conjunction with Samsung Electronics that will improve user experience at the cell edge.

The Germany-headquartered operator said it achieved a consistent user experience during trials of the technology -- named Inter-Sector MIMO (IS-MIMO) -- on its LTE test network. The company said it achieved peak data rates of 150 Mbps during the trial, and that the new technology also delivered an improvement of up to 50 per cent in the user experience on its LTE Advanced (LTE-A) network.

In a statement, Deutsche Telekom explained that IS-MIMO brings all intra-cell sites together to create one cell, which enables data signals to be transmitted to the user's device (or terminal) from the best available source. The operator added that no terminal assistance is required, whether the signal comes from a single eNodeB antenna or two separate intra-site antennas.

Dong Soo Park, EVP and head of R&D Team in networks business at Samsung Electronics, said IS-MIMO "will be a disruptive technology to deliver uniform service quality regardless of user location."

The growing number of devices and throughput demand that each cell site will be required to support in the coming years means IS-MIMO "will be a key technology required for future networks," he added.

Deutsche Telekom CTO Bruno Jacobfeuerborn said the trial of the technology highlights how the operator "continues to drive the development of LTE," and will help it to meet subscriber demand for a "seamless user experience wherever they are on our mobile networks."

The partners also tested a combination of carrier aggregation with the new technology, which they stated delivered a more consistent customer experience over a given coverage area and is an important step towards commercialising IS-MIMO.

Jacobfeuerborn said the test of carrier aggregation with IS-MIMO was also "an important milestone in LTE Advanced."

For more:
- read this Deutsche Telekom announcement

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