5G Non-Standalone (NSA) is a deployment model that allows mobile network operators to leverage existing 4G LTE infrastructure while introducing 5G capabilities.
This approach enables a smoother transition to 5G by utilizing the established 4G core network, which helps to accelerate the rollout of 5G services without the need for a complete overhaul of the existing network infrastructure.
Key Characteristics of 5G Non-Standalone
Integration with 4G LTE: In the NSA model, the 5G radio access network (RAN) is built on top of the existing 4G LTE network. This means that while users can access 5G speeds and lower latency, the core network still relies on 4G technology.
Enhanced Performance: Although 5G NSA does not fully unlock all the capabilities of 5G, it does provide significant improvements over 4G LTE, such as higher speeds and lower latency. This makes it a valuable option for operators looking to enhance their service offerings while transitioning to a more advanced network.
Dual Connectivity: 5G NSA utilizes a technique known as dual connectivity, which allows devices to connect to both 4G and 5G networks simultaneously. This ensures that users can benefit from the strengths of both technologies, providing a more reliable and faster connection.
Advantages of 5G Non-Standalone
Faster Deployment: Since NSA builds on existing infrastructure, it allows for quicker deployment of 5G services, enabling operators to offer enhanced connectivity to users without waiting for a complete 5G core network to be established.
Cost-Effective Transition: By utilizing the existing 4G network, operators can minimize costs associated with building new infrastructure, making it a financially viable option during the initial phases of 5G rollout.
Bridge to Full 5G: 5G NSA serves as a transitional phase, allowing operators to gradually upgrade their networks and prepare for the eventual shift to 5G Standalone (SA), which will fully utilize the capabilities of 5G technology.
In summary, 5G Non-Standalone technology represents an important step in the evolution of mobile networks, providing enhanced performance while leveraging existing infrastructure. It acts as a bridge to the more advanced 5G Standalone networks, facilitating a smoother transition for both operators and users.
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