Baseband Unit (BBU)

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The baseband unit (BBU) is a crucial component in mobile base stations, handling tasks like signal processing, resource allocation, and protocol management to ensure efficient communication between mobile devices and networks. It also ensures security through encryption and manages interference and network operations. Connected to remote radio units (RRUs) and active antenna systems (AAS), the BBU in an O-RAN architecture optimizes resource use and network performance by centralizing control of multiple radio units, with high-speed fiber optic links supporting the system. Read more

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Baseband Unit (BBU)

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Key challenges

Mobile base station designers often need to manage the following aspects:

Compatibility for integrating base transceiver stations between different vendor equipment in O-RAN configurations.
Scalability in ensuring that the BBU can scale to support multiple types of radio units and new deployment scenarios to meet the growing demand for mobile services.
Energy efficiency to reduce the carbon footprint of mobile base stations.
Security, authentication, privacy, and regulatory compliance to ensure that mobile networks are secure and reliable.

Our products and solutions

ST answers these challenges through a wide range of innovative products, including an extensive range of 32-bit microcontrollers and microprocessors equipped with a set of hardware peripherals and software development tools.
Secure ST solutions include a product family and complete ecosystem to support authentication, secure connection establishment, secure boot and firmware upgrade, and trusted network access.
ST provides a complete power device portfolio, including IGBTs, thyristors, power rectifiers and MOSFETs, power modules and system-in-package (SiP) solutions to make mobile base stations more energy-efficient.
Our broad range of inertial and environmental MEMS sensors can also enhance the functionality of base transceiver stations.
We offer selected customers a range of technologies for telecom applications, such as RF-SOI, BiCMOS, and FDSOI, and derivates of these through our customer-owned tooling (COT) business model.