User Manual

BTS Sector Configurations – continued
08/15/2000
1-23
SC 4812ETL BTS Optimization/ATP
PRELIMINARY
Table 1-5: Sector Configurations
Configuation Description
1
3–Sector / 1 Carrier
The configuration below maps RX and TX with bandpass filters or 2:1 combiners for a 3–sector/1–carrier
frame.
1
ANT A1 ANT A2 ANT A3 ANT B1 ANT B2 ANT B3
TX1 / RXA1 TX2 / RXA2 TX3 / RXA3 TX4 / RXB1 TX5 / RXB2 TX6 / RXB3 Carrier #
BBX2–1 BBX2–2 BBX2–3 N/A N/A N/A 1
3–Sector / 2–NON–ADJACENT Carriers
The configuration below maps RX and TX with 2:1 cavity combiners for 3–sectors/2–carriers for
non–adjacent channels.
2
ANT A1 ANT A2 ANT A3 ANT B1 ANT B2 ANT B3
2
TX1 / RXA1 TX2 / RXA2 TX3 / RXA3 TX4 / RXB1 TX5 / RXB2 TX6 / RXB3 Carrier #
BBX2–1 BBX2–2 BBX2–3 N/A N/A N/A 1
BBX2–4 BBX2–5 BBX2–6 N/A N/A N/A 2
3–Sector / 2–NON–ADJACENT Carriers
The configuration below maps RX and TX with bandpass filters for 3–sectors/2–carriers for non–adjacent
channels.
3
ANT A1 ANT A2 ANT A3 ANT B1 ANT B2 ANT B3
3
TX1 / RXA1 TX2 / RXA2 TX3 / RXA3 TX4 / RXB1 TX5 / RXB2 TX6 / RXB3 Carrier #
BBX2–1 BBX2–2 BBX2–3 N/A N/A N/A 1
N/A N/A N/A BBX2–4 BBX2–5 BBX2–6 2
3–Sector / 2–ADJACENT Carriers
The configuration below maps RX and TX with bandpass filters for 3–sectors/2–carriers for adjacent
channels.
4
ANT A1 ANT A2 ANT A3 ANT B1 ANT B2 ANT B3
4
TX1 / RXA1 TX2 / RXA2 TX3 / RXA3 TX4 / RXB1 TX5 / RXB2 TX6 / RXB3 Carrier #
BBX2–1 BBX2–2 BBX2–3 N/A N/A N/A 1
N/A N/A N/A BBX2–4 BBX2–5 BBX2–6 2
3–Sector / 2–ADJACENT Carriers
The configuration below maps RX and TX with optional 2:1 cavity combiners for 3–sectors/2–carriers for
adjacent channels. Note that dual 2:1 cavity combiners are used (6 total).
5
ANT A1 ANT A2 ANT A3 ANT B1 ANT B2 ANT B3
5
TX1 / RXA1 TX2 / RXA2 TX3 / RXA3 TX4 / RXB1 TX5 / RXB2 TX6 / RXB3 Carrier #
BBX2–1 BBX2–2 BBX2–3 N/A N/A N/A 1
N/A N/A N/A BBX2–4 BBX2–5 BBX2–6 2
1