5G Base Station Fronthaul Overall Solution

Overview  

5G base stations integrate antennas and Remote Radio Units (RRUs) into Active Antenna Units (AAUs). Meanwhile, the Baseband Unit (BBU) is split into Distributed Units (DUs) and Centralized Units (CUs). The DU handles real-time physical layer processing, while the CU manages non-real-time protocol layer processing. The transmission between AAUs and DUs is referred to as 5G fronthaul, between DUs and CUs as midhaul, and between CUs and the core network as backhaul. Depending on network requirements at the base station location, one DU can connect to 3, 6, 9, or even more AAUs.  

(Schematic Diagram of 5G Fronthaul, Midhaul & Backhaul - FHOLINK Technology)

Solution Brief  

FHOLINK Technology's *5G Base Station Fronthaul Overall Solution* primarily utilizes passive plug-in Wavelength Division Multiplexers (WDM) and 10G/25G colored optical modules to address the optical transmission between DUs and AAUs. This enables a single DU to connect to 3 AAUs, with scalability to 6, 9, or more connections. The solution includes a complete set of equipment from the DU to the AAU.  

(Schematic Diagram of 5G Fronthaul WDM Solution - FHOLINK Technology)

Solution Advantages  

1. Diverse product portfolio with one-stop procurement  

2. Conserves fiber optic resources - one fiber can be expanded to 6/12/18 channels  

3. Easy capacity expansion to effectively accommodate data growth  

4. Cost-effective implementation with significant savings  

5. Simplified installation and activation, improving operational efficiency  

Related Products  

1. 5G Fronthaul: Plug-in WDM + 25G Colored Optical Modules  

2. High-Power Distributed Small Cells (including BBU and RRU equipment)  

3. Fiber Optic Repeater Equipment: Near-end & Far-end Units  

Applicable Scenarios  

1. 4G/5G Base Station Fronthaul  

2. Campus Networks  

3. Point-to-Point Fiber Capacity Expansion  

4. Underground Parking Signal Coverage