Understanding ORAN and Traditional RAN Networks

October 22, 2024 3 minute read

The image shows a close-up of a cellular tower with multiple antennas against a blue sky. The tower is part of a Distributed Antenna System (DAS).

The wireless telecommunications industry is in the midst of a significant transformation, driven by the need for more flexible, scalable, and cost-effective network infrastructures. One of the innovations that could have a significant impact in this space is the Open Radio Access Network (ORAN), which represents a stark departure from traditional Radio Access Network (RAN) solutions.

 

What is ORAN and How Does it Differ from Traditional RAN?

 

ORAN is reshaping how networks are designed and deployed. Unlike traditional RAN, which relies on proprietary equipment from a single vendor, ORAN allows for an open, interoperable architecture where components from multiple vendors can work together seamlessly. For commercial wireless carriers, this is a game changer. It gives operators the freedom to mix and match the best-in-class equipment without being locked into long-term vendor contracts, resulting in more cost-efficient network solutions that are better tailored to the wireless network’s needs.

This modularity is particularly relevant to engineers and project managers. In the carrier switch (or data center) the ORAN hardware is designed to be more compact like data center server hardware, which simplifies installation and maintenance while reducing labor and operational costs. In contrast to the bulky, specialized equipment of traditional RAN, ORAN hardware is sleeker and easier to deploy, making network upgrades and expansions more efficient.

 

Comparison with Traditional RAN:
  • Traditional RAN: Typically, all network components—from end-point radios to network core—come from a single vendor. While this approach simplifies procurement, it limits flexibility, scalability, and innovation. Engineers must work within the constraints of one provider’s ecosystem, which can make network expansion costly and time-consuming.
  • ORAN: In contrast, ORAN features a multi-vendor environment, where components from different manufacturers can interoperate smoothly in the network. This diversity increases flexibility, allowing for more innovative, scalable, and situation-based solutions.

 

Key Differences:
  • Equipment: ORAN hardware in the hub and switch environments often resembles data center equipment, which is more compact and modular than the specialized, bulky telecommunications equipment used in traditional RAN. This shift not only saves space and power usage, but also reduces installation labor effort, maintenance needs, and overall costs.
  • Flexibility: While traditional RAN architectures are rigid and monolithic, ORAN’s open architecture allows operators to mix and match components to best suit the needs of specific situations, geographies, and population densities, leading to more efficient and optimized network solutions.

 

 

Challenges of Implementing ORAN

 

For engineers and project managers, it’s important to understand that with flexibility comes complexity. Managing a multi-vendor environment requires precise coordination and thorough integration planning. Ensuring that equipment from different manufacturers communicates effectively is critical and requires deeper vendor collaboration than with traditional RAN. Additionally, maintenance and break-fix efforts are complicated by requiring more spare equipment and more complex due to different troubleshooting steps.

Security also presents new challenges. In a traditional RAN setup, one vendor controls the entire system, which simplifies the security framework. ORAN introduces more potential entry points for cyberattacks, meaning that engineers must implement enhanced security measures across the entire network to mitigate risks.

 

Benefits of ORAN

 

Despite the challenges, ORAN offers compelling benefits. One of the most immediate is cost savings in an increasingly competitive wireless carrier environment. Traditional RAN systems require bulky, expensive equipment, but ORAN’s data center-like hardware is smaller, more efficient, more affordable, and easier to manage. This also frees up space and reduces the physical footprint of network equipment.

ORAN’s flexibility and scalability are equally impressive. Need to scale your network to meet growing demand? ORAN’s modular design makes that easy. Whether it’s expanding to new locations or increasing network capacity, ORAN lets you make changes without costly overhauls.

Performance improvements are another advantage. ORAN enables faster data speeds and lower latency, keeping pace with the demands of modern connectivity, particularly with the rollout of 5G networks.

 

Why ANS is Positioned to Help You Succeed

Successfully implementing ORAN requires more than just the right equipment—it demands expertise in network integration, vendor management, and long-term support to ensure systems are optimized for performance and security.

With decades of experience in designing, deploying, and maintaining advanced network infrastructure, ANS has built a reputation as a trusted partner for carriers looking to transition to ORAN. We have an in-depth understanding of both the legacy RAN systems and the emerging ORAN framework, allowing us to guide you through the complexities of multi-vendor transitions. Our team is skilled at navigating the technical and operational challenges that come with implementing ORAN, from ensuring seamless interoperability between components to addressing the heightened security requirements of a multi-vendor environment.

Our comprehensive project management services also mean that we can handle everything from site planning to system integration and testing, allowing your internal teams to focus on core operations while we handle the complexities of ORAN integration. As the industry evolves, ANS remains at the forefront, constantly adapting to new technologies to offer the most effective solutions for your network needs.

 

Compared to traditional RAN, ORAN offers a world of possibilities—greater flexibility, cost savings, and the ability to scale networks more efficiently. While challenges remain in terms of integration and security, the benefits of ORAN far outweigh the obstacles.

At ANS, we understand the intricacies of ORAN and have the experience to help you harness its full potential. Whether you're looking to optimize your network for today or build for tomorrow, our team is ready to guide you through the process. Ready to take the next step? Contact us today, and let's start building the future of your network together.