What is the significance of the Common Public Radio Interface (CPRI) in traditional RAN?

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The significance of the Common Public Radio Interface (CPRI) lies in its role as a standard for connecting Remote Radio Heads (RRHs) to Baseband Units (BBUs) in traditional Radio Access Networks (RAN). CPRI facilitates efficient and high-speed communication between these critical components, enabling them to work in tandem to handle radio frequency signals and data processing essential for mobile communication.

A key aspect of CPRI is its focus on the transport layer, which supports the necessary bandwidth and latency requirements for real-time transmission of radio signals. By doing so, it effectively separates the radio processing from the digital signal processing, allowing for flexibility in network design and deployment. This separation also enables the use of lighter and more compact Remote Radio Heads, which can be deployed closer to the antennas, improving overall network performance and coverage.

The advantages of utilizing CPRI include simplified infrastructure, improved scalability, and enhanced interoperability between equipment from different manufacturers, which is crucial for the deployment of multi-vendor RAN environments. This standard has been essential in evolving traditional RAN architectures, making them more capable and responsive to growing network demands.

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