Energy Efficient and High Capacity Tradeoff in Distributed Antenna System for a Green Cellular Network

Table 3

Power consumption of different DAS configurations.

Parameter	Unit	High load		Moderate load		Low load
		2-6/1		1-3/1		1-1/1
		CAS (2)	DAS (6)	CAS (1)	DAS (3)	CAS (1)	DAS (1)
Max transmit rms power	[Watt]	20	4	20	7	20	7
Max transmit rms power	[dBm]	43	36	43	38.5	43	38.5
Power-added efficiency	[%]	38.8	28.5	38.8	28.5	38.8	28.5
	[Watt]	51.6	14.1	51.6	24.61	51.6	24.61
	[Watt]	10.9	5.4	10.9	5.4	10.9	5.4
	[Watt]	14.8	13.6	14.8	13.6	14.8	13.6
DC-loss	[%]	6	6.4	6	6.4	6	6.4
MS-loss	[%]	7	7.2	7	7.2	7	7.2
Cooling-loss	[%]	9	0	9	0	9	0
Total 1 antenna	[Watt]	97.04	38.11	97.04	50.21	97.04	50.21
Number of antennas	#	2	6	1	3	1	1
Total antenna	[Watt]	194.1	228.64	97.04	150.62	97.04	50.21
Total power cons./sector	[Watt]	422.72		247.66		147.25
Number of sectors	#	3		3		3
Total power cons./cell	[Watt]	1268.17		743		441.75