5
25
BW LTE (MHz)
Nrb
10
50
15
75
20
100
For Pb = 1, BW 5 MHz
Psingle Port = PRRU - 10*Log(Nport)
Nport = Total Antenna Port
RRU Power (Watt)
Power For GSM (Watt)
Power For LTE (Watt)
Power for LTE (dBm)
MIMO
Nport
Psingle Port (dBm)
Psingle Port (Watt)
RS Power = Psingle
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
Port (dBm)
80
20
60
47.8
2T2R
2
44.79
30.2
-
10*Log(12*Nrb) + 10*Log(1+Pb)
5
25
1
23.03
0.2
For Pb = 0, BW 5 MHz
Psingle Port = PRRU - 10*Log(Nport)
Nport = Total Antenna Port
RRU Power (Watt)
Power For GSM (Watt)
Power For LTE (Watt)
Power for LTE (dBm)
MIMO
Nport
Psingle Port (dBm)
Psingle Port (Watt)
RS Power = Psingle
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
Port (dBm)
For Pb = 3, BW 5 MHz
Psingle Port = PRRU - 10*Log(Nport)
Nport = Total Antenna Port
80
20
60
47.8
2T2R
2
44.79
30.2
-
RRU Power (Watt)
Power For GSM (Watt)
Power For LTE (Watt)
Power for LTE (dBm)
MIMO
Nport
Psingle Port (dBm)
Psingle Port (Watt)
10*Log(12*Nrb) + 10*Log(1+Pb)
5
25
0
20.02
0.1
RS Power = Psingle
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
212
182
Port (dBm)
-
10*Log(12*Nrb) +
For Pb = 0, BW 5 MHz
Psingle Port = PRRU - 10*Log(Nport)
Nport = Total Antenna Port
*Log(Nport)
Bm)
80
20
60
47.8
2T2R
2
44.79
30.2
-
10*Log(12*Nrb) + 10*Log(1+Pb)
5
25
3
26.04
0.4
RRU Power (Watt)
Power For GSM (Watt)
Power For LTE (Watt)
Power for LTE (dBm)
MIMO
Nport
Psingle Port (dBm)
Psingle Port (Watt)
RS Power = Psingle
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
Port (dBm)
60
20
40
46.02
2T2R
2
43.01
20
-
10*Log(12*Nrb) + 10*Log(1+Pb)
5
25
1
21.25
0.13
For Pb = 0, BW 5 MHz
Psingle Port = PRRU - 10*Log(Nport)
Nport = Total Antenna Port
RRU Power (Watt)
Power For GSM (Watt)
Power For LTE (Watt)
Power for LTE (dBm)
MIMO
Nport
Psingle Port (dBm)
Psingle Port (Watt)
RS Power = Psingle
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
Port (dBm)
60
20
40
46.02
2T2R
2
43.01
20
-
10*Log(12*Nrb) + 10*Log(1+Pb)
5
25
0
18.24
0.067
For Pb = 0, BW 5 MHz
Psingle Port = PRRU - 10*Log(Nport)
Nport = Total Antenna Port
RRU Power (Watt)
Power For GSM (Watt)
Power For LTE (Watt)
Power for LTE (dBm)
MIMO
Nport
Psingle Port (dBm)
Psingle Port (Watt)
RS Power = Psingle
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
Port (dBm)
60
20
40
46.02
2T2R
2
43.01
20
-
10*Log(12*Nrb) + 10*Log(1+Pb)
5
25
3
24.26
0.27
2 & 4 Tx Ant
Type B OFDM Symbol (CRS & Ty
Total RE in 1 RB = 12
Total RS in first symbol
Total RE that is not used
So, RE remaining for 12 Total Power remaining aft
Maka Power for RE PDSCH =
Pb = 0
1
1
1
RS
x
Pb = 1
2
1
1
x
Pb = 2
Pb = 3
3
4
1
1
1
1
x
x
1
1
1
1
1
1
2
1
1
1
1
1
3
4
1
1
1
RS
x
1
1
1
RS
5/4
PDSCH
1
x
1
1
2
8/8
2
1
3
6/8
3
3/4
4
4/8
4
1/2
1
1
x
x
1
1
1
1
2 & 4 Tx Ant
Symbol (CRS & Type B PDSCH )
tal RE in 1 RB = 12
tal RS in first symbol in 1 TTI = 2
tal RE that is not used because it will be used for the RS in the symbol to 5 in 1 TTI ( other antenna port ) = 2
, RE remaining for 12 - 2 - 2 = 8
tal Power remaining after being used by RS is total RE - RS = 12 - 2 = 10
ka Power for RE PDSCH = 10/8 = 5/4
5/4
PDSCH
8/8
x
5/4
not PDSCH
used
x
5/4
PDSCH
1
RS
5/4
PDSCH
5/4
PDSCH
x
5/4
5/4
not PDSCH PDSCH
used
8/8
8/8
2
8/8
8/8
x
8/8
8/8
2
1
1
x
1
1
1
x
1
OR
1
6/8
x
6/8
6/8
3
6/8
6/8
x
6/8
6/8
3/4
x
3/4
3/4
3
3/4
3/4
x
3/4
3/4
4/8
x
4/8
4/8
4
4/8
4/8
x
4/8
4/8
1/2
4
1/2
1/2
x
1/2
1/2
OR
OR
1/2
x
1/2
other antenna port ) = 2