MediaTek recently announced that it has achieved a 5G carrier aggregation (CA) and voice over new radio (VoNR) through its partnership with Swiscomm, Ericsson, and Oppo, to advance 5G networking in Europe.

According to a DigiTimes report, the chipmaker collaborated with the various brands to reach 5G CA between frequency division duplex (FDD) low band and time division duplex (TDD) mid band was achieved in both non-standalone (NSA) and standalone (SA) network architectures. In simpler terms, the company is able to leverage FDD alongside TDD bands to help extend the coverage of the newer and faster bandwidth while also raising its network capacity as well.

As per JS Pan, general manager of Wireless Communication System and Partnership at MediaTek, “As a 5G innovation pioneer, MediaTek has a long history of working with Swisscom, Ericsson, and Oppo on 5G to usher in this new era of ultra-fast connectivity. This is just the beginning of the 5G SA journey in Europe and MediaTek is committed to bringing it live to its full extent. We are prepared to meet the increasing demand in new 5G services and applications. Our Dimensity series of powerful and energy-efficient 5G SoCs are designed to support NR CA across multiple configurations, as well as native VoNR support, to ensure a seamless user experience.”

Furthermore, VoNR also represents a notable step towards the shift towards 5G SA systems. Through this, MediaTek would be able to offer new and innovative services to the market. The company also added that SA networks would also boost 5G applications by offers higher data throughput to meet ultra low latency and reliability requirements, especially in terms of application for the next generation of mass IoT deployments.

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5G is being rolled out in countries all around the world and users are able to experience near gigabit speeds on their smartphones. But 5G was designed to bring about a more comprehensive upgrade to devices which includes significant improvements in voice and video calls too. VoNR (Voice over New Radio) is the next-generation version of VoLTE (Voice over LTE) and OPPO, in partnership with MediaTek and Ericsson has conducted the first VoNR Voice and Video call.

The current 5G networks are built around the existing 4G LTE infrastructure (Non-standalone networks). So your smartphones with 5G data support still use VoLTE for voice calls. However, network operators will soon start deploying SA (Standalone) network architecture for 5G networks which allows carriers and device makers to enable VoNR calls. OPPO’s official press release stated that the VoNR call made with its customized Dimensity 1000L smartphone (likely Reno3) had significantly “lower latency, improved sound quality and picture quality”. The company added that this will eventually lead to an “elevated overall experience for users”.

The 5G VoNR call was successfully carried out under a 5G SA network provided by Ericsson at its headquarters in Stockholm, Sweden. OPPO adds that “after dialing, the two phones connected almost instantly and then seamlessly switched to a high-definition video call with a single keypress”.

OPPO has become one of the first smartphone brands to successfully test VoNR services on its smartphone. With network operators all set to deploy 5G over SA architecture in the second half of 2020, VoNR should become an important feature of 5G phones in the coming years.

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