Design BBU Baseband Unit and telecommunication

@Laden Ahmed Aljaafari
#BBU Components
Baseband Unit (BBU)

#BBU Components
❑ In a telecommunications RAN, the Baseband Unit (BBU) plays a
crucial role in managing and processing everything on the Base
Station .
❑ The BBU consists of several components that work together to
ensure seamless communication and efficient operation.
❑ In this document, we will explore some of the key components,
and boards of a BBU and their functions.
Baseband Unit (BBU)

#BBU Board
Backplane

#BBU Board
Backplane
Backplane:
❑ The backplane of a Baseband Unit (BBU) serves as a physical
platform that enables the interconnection of various modules
within the BBU system.
❑ It provides a communication pathway for data transfer,
power distribution, and control signals among the different
components of the BBU.
❑ The backplane plays a crucial role in ensuring smooth and
efficient operation of the BBU.

#BBU Board
UMPT Card

#BBU Board
UMPT Card
UMPT (Universal Main Processing and Transmission Unit):
❑ Manages configurations and devices, monitors performance,
and processes signaling of a base station.
❑ Processes signaling and manages resources for other boards
in the BBU.
❑ Provides a USB port, transmission ports, and a maintenance
port, which are used for automatic software upgrade, signal
transmission, and LMT- or U2000-based BBU maintenance

#BBU Cards
UBBP Card

#BBU Cards
UBBP Card
UBBP (Universal Baseband Processing Unit):
❑ Provides CPRI ports for communication with RF modules.
❑ Processes uplink and downlink baseband signals.
❑ Supports the multiplex of baseband resources among baseband
resources among different modes, thereby different modes,
thereby implementing multimode concurrency.

#BBU Board
USCU Card

#BBU Board
USCU Card
USCU (Universal Satellite Card and Clock Unit):
❑ A USCUb11 provides ports for communicating with the Remote
Global Positioning System (RGPS, for example, the RGPS on the
reused customer equipment)
❑ Building integrated timing supply (BITS) equipment.
❑ It does not support GPS signals.

#BBU Board
UPEU Card

#BBU Board
UPEU Card
❑ UPEU (Universal Power and Environment Interface Unit):
❑ Converts –48 V DC input power into +12 V DC power.
❑ Provides two ports with each transmitting one RS485 signal
and two ports with each transmitting four Boolean signals.
❑ The Boolean signals can only be dry contact or open
collector (OC) signals.

#BBU Board
UEIU Card

#BBU Board
UEIU Card
❑ UEIU (Universal Environnent Interface Unit):
❑ Provides two ports with each transmitting one RS485
signal and two ports with each transmitting four Boolean
signals.
❑ The Boolean signals can only be dry contact or OC
signals.
❑ Reports monitoring and alarm signals from other devices
to the main control board.

#BBU Cards
FAN Card

#BBU Cards
FAN Card
FAN (Fan Module):
❑ Dissipates heat from other boards in the BBU.
❑ Controls the speed of fans, monitors the temperature of
fans, and reports the status, temperature, and in-position
signals of fans.
❑ Provides a read/write electronic label.

#BBU Cards
THE END
#Thanks

Design BBU Baseband Unit and telecommunication

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