In order to increase the contribution of the communication industry to mitigate the global greenhouse effect, future efforts must focus on reducing the carbon emissions associated with 5G base station construction from four key perspectives: network architecture, network deployment. In order to increase the contribution of the communication industry to mitigate the global greenhouse effect, future efforts must focus on reducing the carbon emissions associated with 5G base station construction from four key perspectives: network architecture, network deployment. This study presents an overview of sustainable and green cellular base stations (BSs), which account for most of the energy consumed in cellular networks. We review the architecture of the BS and the power consumption model, and then summarize the trends in green cellular network research over the. Green transformation of network architecture: China Mobile is actively advancing CRAN deployment and streamlining base station upgrades. By simplifying the network, equipment and machinery rooms, the Company significantly reduced site energy consumption. 4 million 5G base stations in 2021 alone. This proliferation of BSs has resulted in consequential increase in energy consumption and. As global telecom networks expand exponentially, how can communication base station green energy solutions address the sector's mounting carbon footprint? With over 7 million cellular towers worldwide consuming 3% of global electricity output, this question has become pivotal for sustainable. With IoT and connected smart cars, the introduction of 5G technology means more data travelling across the world's networks, which means we are using ever greater amounts of energy. That, of course, leads to a larger carbon footprint at exactly the time the world needs to make it much smaller.