Optimal energy-saving operation strategy of 5G base station with
Case studies demonstrate that the proposed model effectively integrates the characteristics of electrical components and data flow, enhancing energy efficiency while
All BSs in the network are always in active mode, and the users in each cell are served by the 5G macro BS in the local cell; that is, user allocation is not performed, the transmission of electric energy among the BSs is not performed, the fixed-frequency commercial AC is temperature-controlled, and the set temperature is fixed.
The communication equipment mainly comprises the baseband unit (BBU) and the active antenna unit (AAU), which are responsible for baseband signal processing and signal transmission respectively. Each user is connected to a 5 G macro base station to meet their communication demands.
With the use of the BS sleeping strategy and user transferring strategy, the 5G macro BSs in the network coordinate with each other to reduce electricity costs and energy consumption.
Given the power profile and on/off state of each BS, the injected power of each BS, the on/off state of ACs, the charge/discharge power of backup batteries, and the power of renewable generation units during each time period are jointly optimized to achieve the goal of the economic operation of the 5G macro BS network.
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