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Technical Layman

Exploring the Difference between  5G SA  and  5G NSA: Implications and Use Cases

Introduction

The rollout of 5G networks has introduced two  deployment modes: Standalone (SA)  and  Non-Standalone (NSA)

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Definition of 5G SA

5G SA refers to a  fully independent  network architecture that operates  solely on 5G infrastructure

It does not rely on any legacy networks  or  technologies  for its operation.

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Definition of 5G NSA

5G NSA is an initial deployment mode that utilizes existing 4G infrastructure alongside 5G technology.

It relies on the  4G network  for control signaling and certain functionalities.

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Core Network

In 5G SA, the core network is designed specifically for 5G and is separate from the 4G core network.

In 5G NSA, the core network is shared with the existing 4G infrastructure.

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Latency

5G SA offers lower latency as it eliminates the need for communication between different generations of networks.

5G NSA may experience slightly higher latency due to the involvement of the 4G network.

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Coverage and Performance

5G SA offers improved coverage and performance compared to 5G NSA due to its dedicated infrastructure and optimized design.

5G NSA provides an initial boost in speed and capacity but may not achieve the full potential of 5G technology.

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Service Flexibility

5G SA enables the deployment of advanced services and use cases that require the full capabilities of 5G technology.

5G NSA is more suitable for early-stage deployments and gradual migration from 4G to 5G.

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Infrastructure Requirements

5G SA requires a complete overhaul of the network infrastructure to support standalone operation.

5G NSA leverages existing 4G infrastructure, making it a more cost-effective and quicker deployment option.

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Implications for Operators

Operators choosing 5G SA need to invest in building a standalone network from scratch but can fully leverage the benefits of 5G technology.

Operators opting for 5G NSA can deploy 5G faster and at a lower cost but may face limitations in terms of coverage and capabilities.

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Use Cases

5G SA is well-suited for applications like autonomous vehicles, smart cities, and industrial automation that require ultra-reliable and low-latency connectivity.

5G NSA is suitable for enhanced mobile broadband services and early-stage IoT deployments.

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Migration to 5G SA

Over time, many operators are expected to transition from 5G NSA to 5G SA as the standalone network becomes more mature and cost-effective.

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Questions?

Stay updated with the latest developments in 5G technology and choose the deployment mode that aligns with organization's goals.

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