5G Standalone (5G SA)

What is it?

5G standalone (5G SA) is the next step in mobile connectivity, offering a fully independent 5G network that operates without relying on existing 4G infrastructure hence the name ‘standalone’. It is also referred to as ‘5G Ultra’ or ‘5G+’.

Why is it different from 4G and 5G?

4G: This is the network technology we have used for the last decade for fast mobile internet. 

Current 5G: Most 5G you use today is 'Non-Standalone'. It gives you faster speeds but still relies on the 4G network to work. Think of it as a 5G speed boost on a 4G foundation. 

5G Standalone: This version uses a dedicated 5G network. Unlike 5G Non-Standalone (NSA), which used 5G masts but a 4G core, 5G SA is a complete, upgraded network. 

Why is it more advanced than 5G SA?

Consistent low latency: 5G standalone offers very fast response times, allowing for nearly real-time communication without any noticeable delay. 

Wider coverage: 5G standalone can use multiple 5G frequencies at once to greatly improve upload and download speeds over larger areas. 

Network slicing: Network slicing, a key feature of 5G standalone, lets operators divide the network into sections for different services, ensuring consistent performance even during busy times. 

Connects Everything: Greater network capacity means it's capable of supporting up to 1 million devices per square kilometre, paving the way for smart cities where everything from traffic lights to bins can be connected to the internet. 

When will the UK's mobile operators deliver 5G SA?

5G SA in action 

• The capabilities of 5G SA were recently highlighted through a successful real-world trial by BT of network slicing at Belfast’s Christmas Market. The trial showcased how a dedicated slice through 5G SA could enhance mobile payments, ensuring seamless transactions in a high-footfall environment.   

• Fans were given a glimpse of the future thanks to 5G SA which was used by Vodafone in the packed out Principality Stadium in Cardiff for a Six Nations match earlier in February. Welsh rugby star Ellis Jenkins hosted a livestream watch-along on a reserved slice of the network. This slice also provided exclusive connectivity to rugby fans in the hospitality area, supporting data-heavy activities like sharing videos with family and friends as well as internet browsing. 

• Virgin Media O2 has successfully installed the UK’s first 5G standalone small cells in central Birmingham, boosting mobile connectivity for customers in some of the city’s busiest areas. Unlike traditional mobile towers, these compact small cells have been discreetly installed on existing street furniture, specifically targeting areas where demand for data is highest.   

The potential of 5G SA for businesses and consumers 

The adoption of 5G SA will revolutionise industries by providing businesses with assured connectivity, critical for applications such as: 

• Real-time data processing 
• Smart cities and Internet of Things (IoT) expansion 
• High-quality video streaming 
• Advanced telemedicine services 

As the UK’s mobile operators deploy 5G SA, businesses and consumers alike will experience the benefits of ultra-reliable, high-speed connectivity. Many of our industry leaders have made predictions on how 5G SA will make impact this year, take a look back to this blog here.