User's Manual

BTS Sector Configurations – continued
PRELIMINARY
1X SCt4812ET Lite BTS Optimization/ATP
08/01/2001
1-28
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 #
BBX2–1 BBX2–2 BBX2–3 BBX2–1
(diversity
RX)
BBX2–2
(diversity
RX)
BBX2–3
(diversity
RX)
1
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 #
2
BBX2–1 BBX2–2 BBX2–3 BBX2–1
(diversity
RX)
BBX2–2
(diversity
RX)
BBX2–3
(diversity
RX)
1
BBX2–4
(RX)
BBX2–5
(RX)
BBX2–6
(RX)
BBX2–4
(TX &
diversity
RX)
BBX2–5
(TX &
diversity
RX)
BBX2–6
(TX &
diversity
RX)
2
Figure 1-9: SC4812ET Lite LPA Configuration with Bandpass Filters
(Starter Frame Mapping Only)
Table 1-5
Configuration Numbers 1 and 2
3–Sector
Bandpass Filters
CARRIER 1
SECTOR 1, 2, 3
CARRIER 2
SECTOR 1, 2, 3
SC4812ETL0011–3
1