User's Manual

BTS Sector Configurations
68P09255A69-3
Aug 2002
1X SC4812ET Lite BTS Optimization/ATP Software Release 2.16.1.x
PRELIMINARY
1-34
Table 1-5: Sector Configurations
Configuration Description
3-Sector / 1 Carrier
The configuration below maps RX and TX with bandpass filters for a 3-sector/1-carrier frame.
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
1
TX1 / RX1A TX2 / RX2A TX3 / RX3A RX1B RX2B RX3B Carrier #
BBX-1 BBX-2 BBX-3 BBX-1
(diversity
RX)
BBX-2
(diversity
RX)
BBX-3
(diversity
RX)
1
3-Sector / 1 Carrier
The configuration below maps RX and TX with 2:1 combiners for 3-sector/1-carrier frames in
companion configuration.
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
TX1 / RX1A TX2 / RX2A TX3 / RX3A Carrier #
BBX-1 BBX-2 BBX-3 1
2
NOTE
Diversity RX (RX1B, 2B, and 3B) is received from the opposite companion frame through RX
EXPANSION connectors 1B, 2B, and 3B (see Figure 1-9 or Figure 1-10).
Diversity RX is provided to the opposite companion frame from antenna connectors 1A, 2A, and 3A
through RX EXPANSION connectors 1A, 2A, and 3A.
3-Sector / 2-ADJACENT or 2-NON-ADJACENT Carriers
The configuration below maps RX and TX with bandpass filters for 3-sectors/2-carriers for both
adjacent and non-adjacent channels.
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
TX1 / RX1A TX2 / RX2A TX3 / RX3A TX4 / RX1B TX5 / RX2B TX6 / RX3B Carrier #
3
BBX-1 BBX-2 BBX-3 BBX-1
(diversity
RX)
BBX-2
(diversity
RX)
BBX-3
(diversity
RX)
1
BBX-4
(RX)
BBX-5
(RX)
BBX-6
(RX)
BBX-4
(TX &
diversity
RX)
BBX-5
(TX &
diversity
RX)
BBX-6
(TX &
diversity
RX)
2
3-Sector / 2-NON-ADJACENT Carriers
The configuration below maps RX and TX with 2:1 combiners for 3-sectors/2-carriers for
non-adjacent channels for frames in companion configuration.
ANT 1A ANT 2A ANT 3A ANT 1B ANT 2B ANT 3B
TX1 & 4 /
RX1A & 4A
TX2 & 5 /
RX2A & 5A
TX3 & 6 /
RX3A & 6A
Carrier #
BBX-1 BBX-2 BBX-3 1
4
BBX-4 BBX-5 BBX-6 2
NOTE
Diversity RX (RX1B, 2B, 3B and RX4B, 5B, 6B) is received from the opposite companion frame
through RX EXPANSION connectors 1B, 2B, and 3B (see Figure 1-9 or Figure 1-10).
Diversity RX is provided to the opposite companion frame from antenna connectors 1A, 2A, and 3A
through RX EXPANSION connectors 1A, 2A, and 3A.
1