5G NSA, which stands for Non-Standalone, is a type of 5G network that relies on an existing 4G LTE network for core functions. This means that 5G NSA devices can only access 5G services when connected to a 4G LTE network.
How 5G NSA Works
Imagine 5G NSA as a bridge between your 5G device and the internet. While the bridge itself is new and offers faster speeds, it still needs the existing 4G network to function. The 4G network acts as the foundation, handling tasks like authentication and data routing, while the 5G network provides the faster data speeds.
Advantages of 5G NSA:
- Faster deployment: 5G NSA networks are easier and faster to deploy because they leverage existing 4G infrastructure.
- Wide availability: 5G NSA devices can access 5G services in areas where 5G standalone (SA) networks are not yet available.
- Lower costs: Building 5G NSA networks is more cost-effective than building 5G SA networks.
Disadvantages of 5G NSA:
- Limited 5G capabilities: 5G NSA networks offer a limited range of 5G features and functionalities compared to 5G SA networks.
- Dependence on 4G: 5G NSA networks are reliant on the 4G network for core operations, which can limit performance and reliability.
- Slower speeds: 5G NSA networks typically have slower speeds than 5G SA networks.
5G NSA vs. 5G SA:
- 5G SA (Standalone): 5G SA networks are independent of existing 4G networks, offering a wider range of 5G features and faster speeds.
- 5G NSA (Non-Standalone): 5G NSA networks rely on existing 4G networks for core functions, offering limited 5G capabilities and slower speeds.
Conclusion:
5G NSA is a stepping stone to the full potential of 5G. It provides an initial rollout of 5G services while operators work towards building dedicated 5G SA networks.