LTE Carrier Aggregation (CA) of licensed and unlicensed bands on mobile network and devices enables smartphone users to maintain their LTE connection while getting a speed boost from unlicensed 5GHz spectrumSuccessful over-the-air testing between Ericsson RBS 6402 small cells and a Qualcomm Snapdragon(TM) X12 LTE modem of LTE CA with unlicensed spectrum conducted on Vodafones commercial network in the Netherlands
Network testing further validates fair co-existence of LTE in 5 GHz unlicensed band
Ericsson (NASDAQ:ERIC), with Vodafone and Qualcomm Technologies, Inc., a subsidiary of Qualcomm Incorporated, today conducted worlds first live testing of advanced LTE Carrier Aggregation (CA) of LTE in licensed and unlicensed bands on a commercial mobile network. The trial uses the Ericsson RBS 6402 indoor small cell, which supports LTE CA between licensed and unlicensed bands on Vodafones commercial network, connected to a LTE unlicensed band capable test device developed by Qualcomm Technologies, Inc.
Matthias Sauder, chief network officer, Vodafone Netherlands: Our intent in deploying small cells is always to deliver the best customer experience, and we see the potential for LTE aggregation with unlicensed bands on small cells as one way to make that customer experience even better. We are already using Ericssons RBS 6402 indoor picocell in our own shops in the Netherlands, so its great to see that it will also support advanced LTE CA capabilities with unlicensed spectrum on our network.
The Vodafone LTE trials with unlicensed spectrum are being conducted over Vodafones network in the Netherlands. The latest over the air results were achieved by aggregating 20 MHz of Vodafone spectrum in Band 3 (1800 MHz) with 20 MHz of the unlicensed 5 GHz band U-NII-1 band. The testing validated LTE performance in the unlicensed band and fair co-existence with other technologies like Wi-Fi within the unlicensed 5 GHz band. The Ericsson RBS 6402 Indoor Picocell includes a 5GHz LTE enabled radio in addition to multiple LTE radio variants and optional 2.4 GHz Wi-Fi module - all in a sleek, compact package with a tablet-sized footprint. The user equipment utilized in this trial is a test device powered by the Qualcomm Snapdragon(TM) X12 LTE modem. The Snapdragon X12 LTE modem is a product of Qualcomm Technologies.
Valter DAvino, Head of Ericssons Region Western and Central Europe, says: Vodafone has taken a leadership position in small cells and our LTE trials on unlicensed spectrum with them, together with Qualcomm Technologies, really underscore their continued commitment to improving the performance of indoor networks to ensure better app coverage for their customers. The unlicensed 5 GHz band is a shared resource and, as we have seen, it can be aggregated with LTE bands to provide a speed boost for users to improve app coverage, when spectrum is available - of course, the user also maintains their connection to Vodafones highly reliable LTE network, so they have a great connection no matter what.
Users in Europe and the rest of the world demand better, faster and seamless connectivity, said Serge Willenegger, vice president, product management at Qualcomm Technologies, Inc. The aggregation of licensed and unlicensed bands in 4G and future 5G networks is critical to achieve this goal, and were pleased to collaborate with Ericsson and Vodafone to test the support of such capabilities in our Snapdragon processors and modems.
LTE CA with an unlicensed band enables operators to combine the reliability of LTE licensed spectrum with incremental downlink throughput improvements provided by the unlicensed band. The functionality includes mechanisms for sharing the unlicensed spectrum with other unlicensed 5 GHz users, like Wi-Fi. This allows operators to leverage unlicensed 5 GHz spectrum for improved peak rates and capacity. LTE CA with the 5GHz unlicensed band is a feature of Ericsson Networks Software 16A, available this year.
Photo: Ericsson RBS 6402 Indoor Picocell supports Worlds First LTE Carrier Aggregation with unlicensed band trial on Vodafones commercial network
NOTES TO EDITORS
Ericsson and Qualcomm complete LTE-U over-the-air demonstration in China
Ericsson software unlocks indoor performance for the mobile era
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