5G NSA vs. 5G SA

Attribute	5G NSA	5G SA
Stand-alone	No	Yes
Deployment	Uses existing 4G infrastructure	Requires new infrastructure
Latency	Higher	Lower
Network Slicing	Not fully supported	Fully supported
Core Network	Shared with 4G	Separate from 4G

Introduction

5G technology has been a game-changer in the world of telecommunications, offering faster speeds, lower latency, and increased capacity. There are two main deployment options for 5G networks: Non-Standalone (NSA) and Standalone (SA). Both have their own set of attributes and advantages, which we will explore in this article.

5G NSA

5G NSA, or Non-Standalone, is the initial phase of 5G deployment that relies on existing 4G infrastructure for certain functions. In NSA mode, the 5G network uses the 4G core network for tasks such as authentication and mobility management. This allows for a faster rollout of 5G services since it leverages the existing infrastructure. However, one of the drawbacks of NSA is that it may not fully realize the potential of 5G technology due to its reliance on 4G.

• Relies on existing 4G infrastructure for certain functions
• Uses 4G core network for tasks like authentication and mobility management
• Allows for faster rollout of 5G services
• May not fully realize the potential of 5G technology

5G SA

5G SA, or Standalone, is the next phase of 5G deployment that operates independently of 4G networks. In SA mode, the 5G network has its own core network that is specifically designed for 5G technology. This allows for more advanced features and capabilities, such as network slicing and edge computing. While the rollout of 5G SA may be slower compared to NSA, it offers a more robust and future-proof infrastructure for 5G services.

• Operates independently of 4G networks
• Has its own core network designed for 5G technology
• Enables advanced features like network slicing and edge computing
• Offers a more robust and future-proof infrastructure

Speed and Latency

One of the key differences between 5G NSA and 5G SA is the speed and latency of the networks. 5G SA is expected to deliver faster speeds and lower latency compared to 5G NSA. This is because 5G SA has a dedicated core network that is optimized for 5G technology, whereas 5G NSA relies on the 4G core network for certain functions, which can introduce delays. As a result, users on 5G SA networks may experience smoother and more responsive connectivity.

Network Architecture

The network architecture of 5G NSA and 5G SA also differs significantly. 5G NSA is a transitional phase that builds upon existing 4G infrastructure, while 5G SA is a more advanced and independent network architecture. 5G SA offers a more flexible and scalable architecture that can support a wide range of use cases, from enhanced mobile broadband to massive IoT deployments. This makes 5G SA better equipped to handle the diverse needs of future applications and services.

Coverage and Deployment

When it comes to coverage and deployment, 5G NSA has the advantage of being able to leverage existing 4G infrastructure, allowing for a faster rollout of 5G services. This means that 5G NSA networks can be deployed more quickly and cover a larger geographic area in a shorter amount of time. On the other hand, 5G SA requires building a new core network from scratch, which can be a more time-consuming and costly process. However, once deployed, 5G SA networks offer more comprehensive coverage and a more robust infrastructure.

Conclusion

In conclusion, both 5G NSA and 5G SA have their own set of attributes and advantages. 5G NSA offers a faster rollout of 5G services by leveraging existing 4G infrastructure, while 5G SA provides a more advanced and independent network architecture with faster speeds and lower latency. Ultimately, the choice between 5G NSA and 5G SA will depend on factors such as deployment timeline, coverage requirements, and the need for advanced features. As 5G technology continues to evolve, both deployment options will play a crucial role in shaping the future of telecommunications.