Figure 4-3 Tree Networking Mode - Huawei Airbridge DBS3900 Product Description

4 Transmission and Networking of the BTS

Figure 4-3 Tree networking mode

Advantages
The advantage of the tree networking mode over the star networking mode is that the former
lowers the costs of the transmission equipment, the costs of engineering projects, and the
rental of transmission links.
Disadvantages
4-4
Signals travel through many nodes, which cause low transmission reliability and
construction and maintenance difficulties.
Faults in upper-level BTSs may affect the normal operation of lower-level BTSs.
Capacity expansion is difficult because it may require extensive network reconstruction.
The number of tree levels cannot exceed three.
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Airbridge DBS3900 CDMA Base Station
Product Description
Issue 11 (2010-06-18)