Baseband Unit (BBU) Subsystems and Functions Baseband Unit (BBU) Subsystems and Functions ⚡ Today, let's dive into the working principle of the Baseband Unit (BBU) in modern base stations and explore its key subsystems and functions. 📡 The BBU is a crucial component that enables efficient operation and management of a base station. Here's a breakdown of its subsystems and their functions: v Baseband Subsystem: Handles baseband signal processing, including uplink and downlink data processing, signaling processing, resource management, and operation and maintenance tasks. v Power and Mechanical Subsystem: Provides essential power supply and cooling to ensure reliable functioning of the BBU, comprising the backplane, fan module, and power module. v Transmission Subsystem: Facilitates seamless communication and data transmission between the BBU and...
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