文档内容
1.
2.
3.
4.
1.
2. DT/CQT
DT/CQT DT/CQTDT
CQT DT/CQT DT/CQT
DT/CQT
DT/CQT
3.
/
/
DT/CQT
4.
DDTT//CCQQTT
5.
65 6600 1155ddBBii
17dBi 18dBi
11dBi
3 5 7
30 65 20dBi
DO <=90% >=30>>==11%% >=2erlRSSI RSSI >-90 RSSI >-90 >15DSCLength
DDSSCCCChhaannnneellGGaaiinn
AACCKKCChhaannnneellGGaaiinn
AATTAAcccceessssRRaatteeMMaaxx
SSeeccttoorrAAcccceessssMMaaxxRRaattee1.
1
2
2.
1
2
RRURRU RRU
RRU PN RRU
34
5 CDMA PHS
C
PHS
6 EVDO
EVDO
1 EVDO 6dB
RRUUUU
7
3.4.
1
RRRRUU
2
3
RRU/
1.
RRU
/
RRU RRURRU RRU
1
0.5W 2W 5W 10W
60dB-95dB
2W 5W 10W 20W 70dB-80dB
RRU 20W/
2W 8000 1.5
5W 2 3.5
10W 3 6
20W 6 1122
2
. RRU
RRU
1dB 3dB
20w, 60w,
RRU
AALLCC DO 11XX 1X
.. RRRRUU
RRRRUU PPNN PN . RRU
3
RRU
RRU
2.
1
60
RRURRU
2
EVDO
ALC
RRU
3
1.5dB 3dB
4
1100ddBB CDMA
10dB
10dB 2dB
1100ddBB
TTxxGGaaiinnAAddjj..<<55ddBB
55
,
1100~~1155ddBB
6
4
pn pn
15Km 7.5 dB
7CQT
FER
3.RRU
1 RRU
RRU WALSH CE
RRU
2
RRU
3 PN RRU
PN RRU PN RRU
CE WALSH PN RRU
4
CQT
5
RRU
4 RRU
RRRRUU RRRRUU
RRU
RRU
1.
1
N
2
3
4
5
6
2.1 7/8
2
3 PHS C
4 PHS GSM G/C
60dB P/C
80dB
1.
5
Motley Ericsson
PL(d)=PL(d0)+20lgd/d0 + d+C
PL(d) d PL(d0) 11 800MHz
PPLL((dd00))==3322..4455++2200llgg00..000011++2200llgg880000==3300..5511ddBB
00~~22ddBB//mm d m CC dB
800MHzCDMA
5 20dB 2200ddBB 6 1100ddBB
3300ddBB
CDMA CCDDMMAA11XX
Ec/Io
,EVDO CC//II CDMA1X
10% EEVVDDOO
22..
Ec/Io C/I
1 CDMA1X
95 1X
85dBm Ec/Io 10dB 50% Ec/Io
7dB 5dBm
95 1X
90dBm Ec/Io 9dB 50% Ec/Io
6dB 10dBm5 (
3 )
10 90dBm
2 EVDO
95 EVDO
80dBm C/I 5dB 153.6kbps
95 EVDO
85dBm C/I 8dB 76.8kbps
10 90dBm
3.
3dB
44..CDMA PPHHSS
PPHHSS CCDDMMAA CDMA
PHS
,
11 PPHHSS
CDMA
800 MHz CDMA
2
800MHz
800MHz 1.9GHz
PHS CDMA
EVDO
EVDO 800MHz RRU
EVDO
1X EVDO EVDO
1XEVDO
AGC/ALC 1X 1X
1X FER
1X DO
1X
DO 1X
DO
6dB
:
1
2 ,
3 RRRRUU
CDMA
11..
1)
2)
2.
12 RRU
3
4
3.
1
2
1.
22..3.
4.
