Why do base stations waste so much energy?
When there is little or no communication activity, base stations typically consume more than 80% of their peak power consumption, leading to significant energy waste . This energy waste not only increases operational costs, but also burdens the environment, which is contrary to global sustainability goals .
Can a base station sleep strategy reduce energy consumption in UDN systems?
The goal of this paper is to find a base station sleep strategy in UDN systems that reduces the total system energy consumption while being able to guarantee QoS.
How can base station energy consumption be reduced during off-peak hours?
When the load of the entire base station is low during off-peak hours, the base station energy consumption can be reduced by retaining only the coverage-layer cells and shutting down the capacity-layer cells, as indicated in Figure 11. Figure 11
What are the standardized energy-saving metrics for a base station?
(1) Energy-saving reward: after choosing a shallower sleep strategy for a base station, the system may save more energy if a deeper sleep mode can be chosen, and in this paper, the standardized energy-saving metrics are defined as (18) R i e = E S M = 0 E S M = i E S M = 0 E S M = 3
Why is sleep mode important in a base station?
The importance of this observation lies in the fact that, due to the stability of the user's behavior, the base station does not need to switch frequently between sleep mode and active mode, which can significantly reduce the complexity of the operation and energy consumption.
How do you measure the power efficiency of a base station?
The power efficiency of a base station can be measured by dividing the cabinet-top power by the DC input power of the base station. >Air interface is the link from the output of the antenna on the top of the cabinet to the radio receiver of the user device.
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