First 3.5 GHz LTE FDD-TDD 3 Carrier Aggregation Test

Nokia Networks, Deutsche Telekom and Cosmote (Deutsche Telekom’s subsidiary in Greece and leading network operator in the country) have demonstrated a world-first: LTE-Advanced 3 carrier aggregation combining LTE-FDD in band 3 (1.8 GHz) with LTE-TDD in band 42 (3.5 GHz). The showcase, completed with the commercially available Nokia Flexi Multiradio 10 Base Station, confirms the ability of 3.5 GHz LTE-TDD technology to increase mobile broadband capacity and improve the consumer experience.

The demonstration used the Nokia Single RAN Advanced platform, including the Nokia Flexi Multiradio 10 Base Station for both LTE-FDD and -TDD technologies, with its high-capacity TD-LTE-Advanced 8-pipe radio.

“Deutsche Telekom is a real innovation leader. Hand in hand with our NatCos we are shaping the local markets, especially in LTE. Spectrum plays a fundamental role for mobile communications as we look to exploit opportunities to meet the growing demand for network capacity. The demonstration of FDD-TDD 3 carrier aggregation together with our partners, sets a benchmark for a completely new combination of technologies including the increasingly recognized band 42 which will be expected to be a mainstream TDD band," Rachid El Hattachi, SVP Technology Architecture & Blueprints, Deutsche Telekom.

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