The Energy Efficiency of Heterogeneous Cellular Networks Based on the Poisson Hole Process

Yonghong Chen, Lei Xun and Shibing Zhang ()
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Yonghong Chen: School of Information Engineering, Jiangsu College of Engineering and Technology, Nantong 226006, China
Lei Xun: School of Information Engineering, Jiangsu College of Engineering and Technology, Nantong 226006, China
Shibing Zhang: School of Information Science and Technology, Nantong University, Nantong 226019, China

Future Internet, 2023, vol. 15, issue 2, 1-16

Abstract: In order to decrease energy consumption caused by the dense deployment of pico base stations (PBSs) in heterogeneous cellular networks (HetNets), this paper first analyzes the energy efficiency (EE) of two-tier HetNets and then proposes a method to maximize the network EE by adjusting the PBS transmit power. The two-tier HetNets are modeled by the Poisson point process (PPP) and the Poisson hole process (PHP), and then the coverage probability of the macro base station (MBS) and the PBS in the two-tier HetNets is derived based on the mean interference to signal ratio (MISR). According to the user association probability, the coverage probability of the PPP-PHP HetNets is obtained. Then, the tractable expression of the average achievable rate is deduced on the basis of the relationship between the coverage probability and the average achievable rate. Finally, the expression of EE is derived and the EE optimization algorithm is proposed based on the PBS transmit power. The simulation results show that the PPP-PHP network is superior to the PPP-PPP network in terms of coverage probability and EE, and the network EE can be effectively improved by setting an appropriate PBS transmit power.

Keywords: energy efficiency; Poisson hole process; coverage probability; average achievable rate (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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