Wednesday, 26 August 2020 11:26

Optus claims first 2300MHz + 3500MHz 5G carrier aggregation call Featured

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Lambo Kanagaratnam: "...this testing has further demonstrated how carrier aggregation can and will play an important role in optimising the capacity of our network.” Lambo Kanagaratnam: "...this testing has further demonstrated how carrier aggregation can and will play an important role in optimising the capacity of our network.” Supplied

Australia's second biggest telco Singtel Optus has teamed up with Swedish telecommunications equipment provider Ericsson to make what it claims is the world's first 2300 + 3500MHz 5G non-standalone carrier aggregation call.

A statement from the company said the demonstration was carried out in Sydney using the Samsung Galaxy S20 5G handset range.

“5G carrier aggregation is a significant technology milestone that provides us with the ability to combine two spectrum frequencies to improve and extend the coverage, speed and capacity of our 5G network,” said Lambo Kanagaratnam, Optus managing director Networks.

“When using carrier aggregation, customers will see an improved experience when using data-hungry applications and services, such as high-resolution video streaming, AR/VR and downloading large files.

"It will also ensure that these applications run seamlessly when our 5G network is in high demand and being used by many customers simultaneously.

“We are ambitious in our 5G network rollout and together with our technology partner, Ericsson, this testing has further demonstrated how carrier aggregation can and will play an important role in optimising the capacity of our network.”

Optus said the demonstration showed "the benefits of utilising both spectrum frequencies simultaneously [which was] a significant increase in the average and peak 5G speeds that customers, with an eligible handset, will benefit from as the capability becomes available across Optus’ Sydney and Melbourne 5G dual band network later this year".

Martin Wiktorin, head of Ericsson Singapore, Brunei and the Philippines and Global Customer Unit Singtel, said: “Ericsson is pleased to be working with Optus in deploying 5G TDD-TDD carrier aggregation on 5G NSA. 5G TDD-TDD carrier aggregation on 5G NSA allows Optus to combine its mid-band spectrum to deliver its customers higher 5G peak speeds and is an important step towards building Optus’ 5G network."

“The Galaxy S20 5G and Note20 5G have introduced to our customers, a range of completely new experiences which extend from the handset design and chipsets, through to the incredible network performance in Australia,” said Garry McGregor, vice-president, Mobile Division, Samsung Electronics Australia.

“We are committed to working with our partners to build on many years of investment in calibrating our devices for the Australian market.”


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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.

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