5G Challenge: Low latency

5G: Technology

5G Challenge: Low latency

Ultra-reliable, low latency communication (URLLC) is a set of features that provide low latency and ultra-high reliability for mission-critical applications such as remote surgery for healthcare, mobility vehicle-to-vehicle communication, smart grids or industrial private networks. In 3GPP release 15 5G-NR it has been specified that the target is for 1-ms delivering near perfect reliability.

5G will solve latency issues that we have faced in the past. The biggest challenge we are likely to face, however, is within the physical infrastructure. There will still be some latency within the network back-end, where you send the signal back to the cloud, causing a slight delay. To solve this there will need to be more edge-based computing, using AI, edge devices and  accelerators at the base-station to handle the processing load in order to reduce the lag with communicating with the cloud.

 

Edge devices will be enabled by low-power technologies that incorporate higher-efficiency power supplies (and batteries in smaller edge computing devices that do not require a wired connection). As we depend on the network for mission-critical applications battery back-ups will become necessary to ensure the smooth running of the data network during a power outage or power failure.

AI will be essential to enabling low latency 5G networks as the edge network grows - we need to optimize locations as well as traffic routing. This also requires us to continue to optimize networks using AI so that each data packet takes the shortest path to the edge cloud.

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