User-Number Threshold-Based Base Station On/Off Control for Maximizing Coverage Probability
- Authors
- Noh, Jung-Hoon; Lee, Byungju; Oh, Seong-Jun
- Issue Date
- 3월-2022
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Signal to noise ratio; Interference; Analytical models; Stochastic processes; Measurement; Intercell interference; Geometry; Coverage probability; HetNet; on; off control; point poisson process; user-number threshold
- Citation
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.71, no.3, pp.3214 - 3228
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
- Volume
- 71
- Number
- 3
- Start Page
- 3214
- End Page
- 3228
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/141116
- DOI
- 10.1109/TVT.2022.3141592
- ISSN
- 0018-9545
- Abstract
- In this study, we investigate the operation of a user-number threshold-based base station (BS) on/off control, in which the BS turns off when the number of users is less than a specific threshold value. This paper presents a space-based analysis of the BS on/off control system to which a stochastic geometric approach is applied. In particular, we derive the approximated closed-form expression of the coverage probability of a homogeneous network (HomNet) with the user-number threshold-based BS on/off control. Moreover, the optimal user-number threshold for maximizing coverage probability is analytically derived. In addition to HomNet, we also derive the approximated closed-form expression of the coverage probability and the optimal user-number thresholds for a heterogeneous network (HetNet). The results show that HetNet, the analysis of which seems intractable, can be analyzed in the form of a linear combination of HomNets with weighted densities. In addition, the optimal user-number threshold of each tier is obtained independently from other tiers. The modeling and analysis presented in this paper are not only limited to the case of user-number threshold-based on/off control, but also applicable to other novel on/off controls with minor modifications. Finally, by comparing the analytical results with the simulated results, the theoretical contributions of this study are validated.
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