Articles

[Communications] - How O-RAN is revolutionizing the 5G landscape

July 31, 2023

Transformative technologies such as edge computing, 5G, and mobile clouds are enabling bold and exciting new business models. Industry 4.0, autonomous vehicles, and remote medicine are just a few examples of the advances these technologies offer. Open RAN (O-RAN) is a key foundational framework poised to facilitate this revolution, allowing for rapid and widespread innovation industry-wide

Building a 5G powered Open RAN network is a worthwhile opportunity, however, ensuring effective interoperability across technologies and domains presents challenges. It will take years to fully deploy and realize the value of Open RAN, and ongoing challenges such as network maturity, security, and cost must be addressed. Comprehensive and continuous testing, guided by best practices, is essential to effectively overcome these challenges in the real world, now and in the future. Vendor-neutral testing and assurance are critical to building industry confidence in Open RAN as a truly safe and viable option.

In this article, we will explore how O-RAN is transforming the 5G ecosystem and the benefits it offers to the telecommunications industry and end-users alike.

The Key Benefits of Open RAN

The majority of the CapEx and OpEx costs for network operators are within RAN technologies. As 5G requires a significant increase in the number of cell sites and radio types, RAN costs are driven even higher. Coupled with higher costs, the number of RAN vendors has declined in the past few years, which has resulted in reduced market competition. This problem can be solved by adopting Open RAN (O-RAN).  Open RAN breaks down the RAN network and enables the use of open and compatible interfaces, enabling essential features to operate as virtual software functions on hardware that is not tied to any specific vendor. This creates a more modular design for network deployment, providing multiple benefits for stakeholders across the telecommunications industry, as follows:

Open Ran Provides Cost Reductions for Both Vendors and Operators: One of the key benefits of Open RAN is its ability to reduce costs for vendors and operators through the increased competition that arises from having the option of more vendors. The increased competition created by this environment naturally drives prices down. In addition, through the virtualization of the different components of RAN, operators can utilize commercial-off-the-shelf (COTS) hardware, which can help to lower costs even further.

Delivers the Opportunity to Serve Smaller, More Tightly Defined 5G Networks: Cloud service providers (CPs) are primarily driven by the need for widespread coverage of traditional macrocellular networks. Lowering RAN costs can enable providers to deliver solutions for cost-sensitive 5G network use cases, such as rural markets and private commercial 5G networks, for example, networks in large factory sites.

Accelerates Innovation and Fast-Tracks Time to Market: As Open RAN fosters increased competition, innovation naturally accelerates. One way that Open RAN facilitates innovation is by virtualizing RAN systems, allowing for more efficient implementation of innovations in software, which can be delivered faster than hardware changes. As traditional RAN continues to innovate, it promotes greater participation in Open RAN, which in turn accelerates further innovation. In this dynamic environment, new and existing players can independently innovate and provide richer solutions at a much faster pace, thereby reducing the time to market for new offerings.

Facilitates New Opportunities for Monetization: Open RAN promotes a dynamic vendor ecosystem that can quickly deliver new services to customers. It also helps reduce the risk of “vendor lock-in” and enables the introduction of “best-of-breed” network solutions, which can facilitate new monetization opportunities.

Enables Secure Communications: 5G Open RAN provides various advantages from a security perspective. Disaggregation, for example, increases security resilience, adaptability, and agility. O-RAN’s openness and transparency offer a more secure cellular network than private implementations of traditional RAN, which rely partially on “security via obscurity.” 

With the promise of lower costs, diverse supply chains, and system interoperability, the benefits of Open RAN are clear and compelling. However, building an O-RAN from scratch and ensuring its successful implementation is a massive undertaking, especially when coupled with the move to 5G, which is already pushing technical boundaries.

In Conclusion

Open RAN has the potential to deliver unprecedented value throughout the entire telecommunications ecosystem. However, its widespread adoption depends on addressing concerns surrounding maturity, costs, security risks, and operational readiness. For businesses considering the technology, it is important to note that early adopters of previous technology trends have enjoyed significant advantages.

Source: https://blog.viavisolutions.com/2023/04/25/how-o-ran-is-revolutionizing-the-5g-landscape/