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Swisscom, Ericsson and Qualcomm achieve another LTE FDD/TDD first

• Leading Swiss operator first to launch three carrier aggregation combining LTE FDD and TDD modes in a commercial network on commercial chipsets in Europe

• Swisscom plans to offer the improved service in Swiss metropolitan areas by summer 2016 when first smartphones with compatible chipsets are expected to be available

• Solution demonstrated in Swisscom’s commercial network in Zurich using Ericsson hardware and software, and Qualcomm chipsets


Ericsson (NASDAQ:ERIC) provides Switzerland’s leading operator Swisscom with Europe’s first fully commercial LTE-Advanced three-carrier aggregation solution combining LTE in both FDD and TDD modes. The demonstration used three carriers in two bands in a radio access network and used commercial-grade chipsets. The Swiss operator deployed the solution on August 18, 2015 in a Swisscom shop in Zurich Switzerland and plans to roll it out to subscribers in Swiss metropolitan areas by summer 2016, to coincide with three carrier FDD/TDD smartphone availability.

Heinz Herren, CTO at Swisscom, says: “Swisscom innovates to offer customers the best network at all times. With LTE FDD and TDD we are the first provider in Europe to offer a completely new combination of technologies, and in doing so we are underscoring our technological leadership. LTE FDD/TDD will be provided to all our customers at heavily frequented locations from summer 2016.”

For the demonstration in Swisscom’s live commercial network, two LTE TDD carriers each with 20 MHz bandwidth in the 2.6 GHz frequency band (B41) and one LTE FDD carrier with 15 MHz in the 2.1 GHz band (B1) were used. The live demonstration in Zürich was supported by Ericsson Radio Access Network software 15B and hardware as well as by the Snapdragon X12 LTE modem. The Snapdragon X12 LTE modem is a product of Qualcomm Technologies, Inc., a subsidiary of Qualcomm Incorporated. The combination of the three carriers in FDD-LTE and TDD-LTE will enhance the future capacity of the network significantly. The new technology will allow more users to benefit from the peak data rates for downloads and uploads when using mobile internet, entertainment or enterprise services. In this specific set-up, a maximum 335 Mbps in the downlink was achieved.

Thomas Noren, Vice President and Head of Radio Product Management, Ericsson, says: “With our R&D investments and extensive work with standards and ecosystem partners, we are committed to helping leading operators stay at the front of technology. With this latest first, we underline our commitment to Swisscom to bring their subscribers the latest innovations that ensure top network performance and app coverage.”

Serge Willenegger, Vice President of Product Management, Qualcomm Technologies, says: “We are pleased to collaborate with Ericsson and Swisscom in having our Snapdragon X12 LTE modem enable another industry milestone toward increased network performance for consumers.”


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