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Ericsson, SingTel and Qualcomm Technologies have demonstrated a live FDD / TDD Carrier Aggregation, achieving 260 Mbps downlink speeds using commercial track hardware and software. The technical demonstration which took place at SingTel last Friday, utilizes Qualcomm® Snapdragon(TM) 810 processor and Ericsson's LTE software on its multi-standard RBS6000 family of base stations for macro and small-cell networks. Ericsson said that the industry first FDD/TDD demonstration using commercial equipments, showcases 20 MHz of LTE FDD spectrum with 20 MHz of LTE TDD spectrum.
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According to a statement by Ericsson, the LTE FDD / TDD Carrier Aggregation increases the effective TDD coverage area by up to 70%, thus reducing the cost of providing TDD coverage. It also ensures efficient utilization of spectrum, increasing both the combined FDD / TDD coverage area and capacity of the network.
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Ericsson is working with mobile eco-system partners to support the full commercialization of the LTE FDD / TDD Carrier Aggregation capability and the telecom giant expects commercial devices supporting FDD / TDD Carrier Aggregation to be available in 2015.
"We are delighted to work with Ericsson and SingTel to deliver the latest LTE Advanced multimode solutions to the mobile industry. The Snapdragon 810 processor builds upon our leadership in LTE Advanced technology by supporting carrier aggregation across LTE TDD and LTE FDD."
- Serge Willenegger, vice president of product management, Qualcomm Technologies, Inc
"We are pleased to have an opportunity to showcase our FDD / TDD Carrier Aggregation capabilities to SingTel together with Qualcomm Technologies. We demonstrated that the combination of low to mid band FDD with high band TDD can provide significant network performance gains. This complements the FDD/TDD interoperability work which we have already commercialized in countries where TDD spectrum is granted."
- Per Narvinger, Head of Product Area LTE, Ericsson
