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You are here: Home » Solutions » CWDM Solution for 4G / 5G Fronthaul

CWDM Solution for 4G / 5G Fronthaul Overview

In the 5G era, the RAN basically adopts the solution of centralized deployment of BBU/DU. Some 5G base stations will be Co located with the existing 4G base stations. There is an urgent demand for the fronthaul of base stations with deep coverage. However, the fronthaul solution of optical fiber direct connection has a series of problems, such as serious consumption of optical fiber resources and expansion difficulty.

GENEW GP5000C ( Passive WDM product ) can provide operators with a cost-effective 4G / 5G fronthaul solution. The passive Multiplexer and Demultiplexer are configured on the BBU / Du and RRU / AAU side. GP5000C can synthesize multiple optical fibers into one optical fiber for optical signal transmission, and establish a transmission network with the optimal network cost.

Solution Advantages

  Structure
     Passive plug-in beam splitter structure, easy to install, standardized outdoor box, light weight and easy maintenance.
  Performance
     CWDM has good stability and high isolation, supports star and bus structure, and is widely used in RAN, metro area network or edge access network.

  Cost
     Wide wavelength spacing, high isolation, reduced requirements for module wavelength index and construction costs.

  Construction period
     Shorten project construction time, good compatibility and high scalability.

Solution Description

The BBU / Du side at the central office and the RRU / AAU side at the Base station are composed of passive equipment. Passive equipment includes indoor chassis, outdoor fiber optical terminal box, passive Multiplexer and Demultiplexer, etc.

Typical Scenarios

Point to point star networking
Point to multipoint chain networking

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