By Thierry Fautier, vice president of Video Strategy at Harmonic takes a look at how the high-speed network capability of 5G will enable UHD experiences, multiview in HD, as well as high-quality immersive AR and VR video delivery.
By Contributor
Published: January 7, 2021
By Thierry Fautier, vice president of Video Strategy at Harmonic takes a look at how the high-speed network capability of 5G will enable UHD experiences, multiview in HD, as well as high-quality immersive AR and VR video delivery.
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5G is on track to reinvent the media industry, opening up new opportunities for better video experiences on mobile devices. But why 5G, and why now?
5G is a necessity to fix some of the limitations of 4G. With 4G, bandwidth served cannot always deliver high quality at scale due to zero rating restricting the quality to SD, especially in United States where this is common practice. Today, the application's scale versus network speed is a constant challenge with 4G. There's a huge elasticity of video resolutions demanding bandwidth from the network, from SD to 8K. While some applications can be supported by today's 4G networks, when networks become congested many cannot be delivered. Additionally, the current deployed range of devices have limited processing capabilities, restricting the scope of applications.
5G offers dramatically increased mobile bandwidth. Depending on the source number at scale, we can expect at least a 10 times increase in bandwidth with 5G vs 4G, enabling next-generation, bandwidth-hungry applications such as HD or even UHD, multiview, AR, VR and low-latency video streaming. These applications promise to help video service providers attract new customers, increase ARPU and reduce churn.
With 5G, video content providers can test new business models fast since they have access to a more powerful network, edge Cloud-based architecture and Cloud-based processing capabilities that don't exist with 4G.
5G Revenue Expectations, Trials and Service Deployments 5G networks will have a significant impact on media revenue. According to Intel, the global media industry stands to gain $765 billion in cumulative revenues from new services and applications enabled by 5G between 2016 and 2028.
Several video applications, in particular, stand to benefit greatly from 5G networks, including 8K personalised streaming services, multiview (for multicam or multigame), 8K VR, AR, and free viewport. Those experiences can be consumed in stadium thanks to 5G networking capacity and edge Cloud infrastructure that can host the processing for those applications onsite. By 2028, AR and VR are expected to capture the largest slice of media revenues enabled by 5G.
The APAC region has made the most progress on 5G deployments. In Korea, SKT, KT and LGU+ have already deployed VR applications in 5G networks. In addition, SK Telecom has successfully transmitted 8K video over 5G and are enabling multiview capabilities for live events and concerts, to where end-users can select the view they want to see.
LGU+ may be one of the most innovative examples of multiview service delivery over 5G. LGU+ offers a VR experience of live sports events. They are also immersed in delivering 8K personalised streaming where the user can navigate with a 5G 4K phone inside the capture (8K) content and free viewport services, moving inside the content in a 6DoF way, a one-of-a-kind experience.
In Europe and the US, there are a growing number of trials on 5G networks, mostly sports related, but no commercial deployments yet. At the French Tennis Open, Orange demonstrated a multiview transmission during a tennis match over 5G. Verizon similarly has demonstrated multiview applications, allowing end users to select from various views during football games. During those demonstrations, users were able to switch seamlessly from the broadcast view to single cam view, showcasing the power of 5G.
8K is an application that's gaining a lot of attention for 5G. One of the most notable trials was during the 2019 French Tennis Open, where Harmonic joined France T l visions, F d ration Fran aise de Tennis (FFT), Orange and 18 other global technology partners to demonstrate the first ever delivery of live 8K video on 5G networks.
For advanced video delivery applications over 5G to succeed, the ecosystem needs to be fully developed. Overcoming limitations on the device side will be key, as most head-mounted displays for VR only support 4K. However, QUALCOMM recently announced its new XR2 reference design, which supports 8K VR video, which was followed by the Oculus release of the Quest 2 based on the XR2 platform. Those are major steps in the adoption of VR, as we see a major quality improvement vs. 4K content and devices.
Resources are Critical for 5G Video Service Delivery As 5G networks are rolled out and expanded around the world, the future of advanced video delivery looks bright. But resources will be critical to enabling seamless delivery of video over 5G.
For 8K personalised video, operators need to be able to encode in 8K ABR. A windowing feature is required on the device side for decoding 8K video and delivering the content on the 4K screen. Most 5G phones can decode 8K, so we expect 8K VR adoption to be fast over 5G. In terms of network bandwidth, about 30 Mbps is necessary to deliver 8K personalised video.
Multistream video delivery over 5G requires multi-HD encoding on the se
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By Thierry Fautier, vice president of Video Strategy at Harmonic takes a look at how the high-speed network capability of 5G will enable UHD experiences, multiview in HD, as well as high-quality immersive AR and VR video delivery.
