Table 2 Power consumption of the LTE-BS hardware elements [23]
Item | Notation | Unit | Macro |
|---|---|---|---|
PA | Max transmit (rms) power, P max | W | 39.8 |
Max transmit (rms) power | dBm | 46.0 | |
PAPR | dB | 8.0 | |
Peak output power | dBm | 54.0 | |
PA efficiency, μ | % | 38.8 | |
Total PA (P PA) = \( \frac{{\mathrm{P}}_{max}}{\upmu} \) | W | 102.6 | |
TRX | P TX | W | 5.7 |
P RX | W | 5.2 | |
Total RF (P RF) | W | 10.9 | |
BB | Radio (inner Rx/Tx) | W | 5.4 |
Turbo code (outer Rx/Tx) | W | 4.4 | |
Processor | W | 5.0 | |
Total BB (P BB) | W | 14.8 | |
DC-DC loss, σ DC | % | 6.0 | |
Cooling loss, σ cool | % | 9.0 | |
AC-DC (main supply) loss, σ MS | % | 7.0 | |
Total per TRX = \( \frac{{\mathrm{P}}_{\mathrm{P}\mathrm{A}}+{\mathrm{P}}_{\mathrm{RF}}+{\mathrm{P}}_{\mathrm{BB}}}{\left(1-{\upsigma}_{\mathrm{DC}}\right)\left(1-{\upsigma}_{\mathrm{cool}}\right)\left(1-{\upsigma}_{\mathrm{MS}}\right)} \) | W | 160.8 | |
Number of sectors | # | 3 | |
Number of antennas | # | 2 | |
Number of carriers | # | 1 | |
Total number of transceivers (N TRX) | # | 6 | |
Total number of N TRX chains, Pin = N TRX × Total per TRX | W | 964.9 s | |