Building better power supplies for 5G base stations
Building better power supplies for 5G base stations Authored by: Alessandro Pevere, and Francesco Di Domenico, both at Infineon Technologies Infineon Technologies - Technical
Based on the concept of Bit Manages Watt, 5G power solutions use AI and Cloud technologies to implement multi-level intelligent collaboration between power supply and site devices, as well as power supply and network devices. Functional power supplies develop into intelligent ones, which greatly reduce the CAPEX and OPEX of sites.
Notably, China, Korea, and the US are vigorously engaged in this field, specifically related to the 5G network. This review paper identifies the possible potential solutions for reducing the energy consumption of the networks and discusses the challenges so that more accurate and valid measures could be designed for future research.
As the power consumption of 5G sites increases, the traditional backup power strategies, systems and carriers will also need to be revamped. In addition, while the density of the traditional lead-acid battery is low, they are heavy and large in size. Some sites may have difficulty in accommodating the large weight and size of the lead-acid battery.
To properly examine an energy-optimised network, it is very crucial to select the most suitable EE metric for 5G networks. EE is the ratio of transmitted bits for every joule of energy expended. Therefore, while measuring it, different perspectives need to be considered such as from the network or user's point of view.
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