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Press Release -- October 9th, 2014
Source: Ericsson
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Ericsson, Singtel and Qualcomm earn FDD/TDD Carrier Aggregation First

LTE Advanced FDD / TDD Carrier Aggregation achieved on commercial hardware and software for SingTel with data speeds up to 260 Mbps
  • Newest generation of mobile technology will lift network performance, giving early adopter mobile operators a competitive advantage
  • Improves app coverage for mobile device users across the network - increases TDD coverage area by 70% and TDD downlink speeds compared to one LTE carrier - and optimizes spectrum

Mobile subscriptions are forecast to exceed the world's population in 2015, driving a significant growth in mobile data traffic, according to the Ericsson Mobility Report (June, 2014). Leading mobile operators are looking for innovative ways to increase the performance of their networks to handle this growth, while delivering a consistently great user experience. To address these operator challenges, Ericsson (NASDAQ:ERIC, news, filings), SingTel and Qualcomm Technologies, Inc., a wholly-owned subsidiary of Qualcomm Incorporated, have achieved an industry first with the live demonstration of FDD / TDD Carrier Aggregation using commercial track hardware and software. The demonstration achieved 260 Mbps downlink speeds.

Tay Yeow Lian, Managing Director for Networks, SingTel says: "We are already using dual-layers of LTE FDD with LTE-Advanced Carrier Aggregation, and we know the performance of our mobile network is critical to ensuring that our customers have a great experience on their smartphones and tablets. Therefore, we will continue to explore the future option of bundling even TDD spectrum into the LTE carrier aggregation to expand network capacity, allowing our customers to enjoy consistent high data speed download even at high traffic areas. We are glad that Ericsson is making significant efforts to deliver innovations that keep us in the front position of such technology development. By working closely with Qualcomm Technologies, Ericsson is moving FDD / TDD Carrier Aggregation from a trial concept towards a commercial solution that we can plan to further differentiate our performance advantage in the future when the additional TDD spectrum is available."

The technical demonstration took place at the SingTel office in Singapore on October 3, 2014, utilizing a Qualcomm® Snapdragon(TM) 810 processor, a product of Qualcomm Technologies, and Ericsson high-performance LTE software designed to support the company's multi-standard RBS6000 family of base stations for macro and small-cell networks. In the demonstration, Ericsson aggregated 20 MHz of LTE FDD spectrum with 20 MHz of LTE TDD spectrum, supporting peak data rates up to 260 Mbps.

Serge Willenegger, vice president of product management, Qualcomm Technologies, Inc., says: "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."

FDD / TDD Carrier Aggregation enables operators to complement their FDD networks with a cost-efficient deployment of TDD. For operators using TDD bands, the TDD uplink coverage can be a constraint. By combining TDD and FDD spectrum through Carrier Aggregation, low band FDD can deliver good uplink coverage while the TDD band can be leveraged for higher downlink capacity. LTE FDD / TDD Carrier Aggregation enables spectrum from both LTE FDD and LTE TDD to be combined to deliver higher peak data speeds and improve app coverage across the network. It increases the effective TDD coverage area by up to 70%, 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.

Per Narvinger, Head of Product Area LTE, Ericsson, says: "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."

Ericsson also conducted earlier trials of this innovative Carrier Aggregation approach over the summer, providing the groundwork for this latest achievement. Ericsson is working with mobile eco-system partners to support the full commercialization of the LTE FDD / TDD Carrier Aggregation capability. Commercial devices supporting FDD / TDD Carrier Aggregation are expected in 2015.

Ericsson is the market leader in LTE network technology. 50 percent of the world's LTE smartphone traffic is currently served by Ericsson networks, which is more than double the traffic of our closest competitor. Ericsson is present today in all high-traffic LTE markets including the US, Japan, South Korea, Singapore, Australia and Canada etc., and has also been selected by the top 10 LTE operators, as ranked by LTE subscriptions worldwide.

NOTES TO EDITORS

SingTel unveils first live LTE-A 300 Mbps service in Singapore
Ericsson's LTE-Advanced helps T-Mobile continue to expand LTE Network coverage and capacity
Ericsson and Slovak Telekom conduct first intraband 300 Mbps over-the-air trial
Study: Capital investment improves network performance, giving better returns

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Ericsson is the driving force behind the Networked Society - a world leader in communications technology and services. Our long-term relationships with every major telecom operator in the world allow people, business and society to fulfill their potential and create a more sustainable future.

Our services, software and infrastructure - especially in mobility, broadband and the cloud - are enabling the telecom industry and other sectors to do better business, increase efficiency, improve the user experience and capture new opportunities.

With more than 110,000 professionals and customers in 180 countries, we combine global scale with technology and services leadership. We support networks that connect more than 2.5 billion subscribers. Forty percent of the world's mobile traffic is carried over Ericsson networks. And our investments in research and development ensure that our solutions - and our customers - stay in front.

Founded in 1876, Ericsson has its headquarters in Stockholm, Sweden. Net sales in 2013 were SEK 227.4 billion (USD 34.9 billion). Ericsson is listed on NASDAQ OMX stock exchange in Stockholm and the NASDAQ in New York.

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