SK Telecom demos 200MHz combined FDD-TDD bandwidth

By James Middleton

South Korean carrier SK Telecom claims to have broken mobile download speed records again using carrier aggregation technologies in partnership with infrastructure supplier Nokia. By converging both FDD and TDD spectrum the operator was able to demonstrate throughput of 3.78Gbps, downloading a 5GB HD movie in just 11 seconds.

Nokia said there are significant benefits for operators in all geographical regions in combining their TDD and FDD LTE spectrum resources, one being the increased capacity for downlink and uplink data-intensive applications such as video streaming – and also the ability to eliminate supplementary downlink (SDL) completely. Nokia has deployed a number of TDD-FDD networks and is working closely with 3GPP and several operators to make TDD-FDD convergent networks a commercial reality.

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