BW LTE (MHz)
Nrb
5
25
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)
80
20
60
47.8
2T2R
2
44.79
30.2
RS Power = Psingle Port (dBm) - 10*Log(12*Nrb) + 10*Log(1+Pb)
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
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)
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)
RS Power = Psingle Port (dBm) - 10*Log(12*Nrb) + 10*Log(1+Pb)
RS Power = Psingle Port (dBm) - 10*Log(12*Nrb) +
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
5
25
0
20.02
0.1
212
182
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)
60
20
40
46.02
2T2R
2
43.01
20
RS Power = Psingle Port (dBm) - 10*Log(12*Nrb) + 10*Log(1+Pb)
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
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)
60
20
40
46.02
2T2R
2
43.01
20
RS Power = Psingle Port (dBm) - 10*Log(12*Nrb) + 10*Log(1+Pb)
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
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)
60
20
40
46.02
2T2R
2
43.01
20
RS Power = Psingle Port (dBm) - 10*Log(12*Nrb) + 10*Log(1+Pb)
BW LTE (MHz)
Nrb
Pb
RSRE Power (dBm)
RSRE Power (Watt)
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