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কোম্পানির খবর Introduction to BBU and RRU Equipment Interface Types

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Introduction to BBU and RRU Equipment Interface Types

2025-11-26

In modern telecommunications, Baseband Unit (BBU) and Remote Radio Unit (RRU) play crucial roles in the architecture of cellular networks, particularly in 4G and 5G systems. The interface between BBU and RRU is key to ensuring efficient communication and optimal performance. Understanding the types of interfaces used between these units is essential for network engineers and service providers.

BBU (Baseband Unit)

The BBU processes baseband signals and handles tasks like signal encoding/decoding, data transmission, and coordination of radio signals. It is typically located in a centralized location within a base station. The BBU interfaces with multiple RRUs, providing network management and signal processing capabilities.

RRU (Remote Radio Unit)

The RRU is responsible for transmitting and receiving radio signals to and from mobile devices. It is often located near the antennas in a remote location, helping to extend coverage and improve network performance. The RRU communicates with the BBU to facilitate the overall network functioning.

Interface Types

CPRI (Common Public Radio Interface):
CPRI is the most commonly used interface for connecting BBU and RRU in many mobile networks. It supports high-bandwidth data transfer and enables the transport of signals between the baseband processing and radio transmission units. CPRI is typically used for short to medium distances.
eCPRI (Enhanced CPRI):
eCPRI is an evolution of CPRI, designed to support higher bandwidths and lower latencies, making it suitable for 5G networks. It improves efficiency by compressing control signals, enabling better utilization of bandwidth.
ODU (Optical Distribution Unit):
The ODU serves as an interface for optical fiber connections between the BBU and RRU. It is commonly used in environments where longer distances between the BBU and RRU are required. ODUs enable higher capacity and better signal quality.

Conclusion

The BBU-RRU interface is essential for ensuring that modern cellular networks function efficiently. The choice of interface, whether CPRI, eCPRI, or ODU, depends on network requirements such as bandwidth, distance, and latency. As networks evolve, these interfaces will continue to adapt to support the growing demand for high-speed and low-latency connections.

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বাড়ি > খবর >

কোম্পানির খবর-Introduction to BBU and RRU Equipment Interface Types

ঘটনাবলী

খবর

মামলা

Introduction to BBU and RRU Equipment Interface Types

2025-11-26

BBU (Baseband Unit)

RRU (Remote Radio Unit)

Interface Types

CPRI (Common Public Radio Interface):
CPRI is the most commonly used interface for connecting BBU and RRU in many mobile networks. It supports high-bandwidth data transfer and enables the transport of signals between the baseband processing and radio transmission units. CPRI is typically used for short to medium distances.
eCPRI (Enhanced CPRI):
eCPRI is an evolution of CPRI, designed to support higher bandwidths and lower latencies, making it suitable for 5G networks. It improves efficiency by compressing control signals, enabling better utilization of bandwidth.
ODU (Optical Distribution Unit):
The ODU serves as an interface for optical fiber connections between the BBU and RRU. It is commonly used in environments where longer distances between the BBU and RRU are required. ODUs enable higher capacity and better signal quality.

Conclusion

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খবর বিস্তারিত

কোম্পানির খবর Introduction to BBU and RRU Equipment Interface Types

খবর

মামলা

Introduction to BBU and RRU Equipment Interface Types

BBU (Baseband Unit)

RRU (Remote Radio Unit)

Interface Types

Conclusion

কোম্পানির খবর-Introduction to BBU and RRU Equipment Interface Types

খবর

মামলা

Introduction to BBU and RRU Equipment Interface Types

BBU (Baseband Unit)

RRU (Remote Radio Unit)

Interface Types

Conclusion