User's Manual

BTS Sector Configurations68P09255A69-3

Aug 2002

1X SC4812ET Lite BTS Optimization/ATP Software Release 2.16.1.x

PRELIMINARY

1-33

BTS Sector Configurations

Sector Configuration

There are a number of ways to configure the BTS frame. Table 1-4

outlines the basic requirements. For more detailed information also see

Table 1-5 and Figure 1-13. Bandpass filters are used for single-carrier

configurations and two-carrier systems when carriers are either adjacent

or not adjacent

Table 1-4: BTS Sector Configuration

Number of

Carriers

Number of

Sectors

Channel Spacing Filter Requirements

1 3 N/A Bandpass Filter or 2:1 Combiner

2 3 Adjacent or

Non-adjacent

Bandpass Filter

2 3 Non-adjacent 2:1 Combiner

The matrix in Table 1-5 shows the correlation between the various sector

configurations and BBX cards.