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Coverage and Rate Analysis of Cache-Enabled Vertical Heterogeneous Networks by Fan, Congshan; Zhang, Tiankui; Zeng, Zhimin is a Engineering article available to read on EtoBox.

What is Coverage and Rate Analysis of Cache-Enabled Vertical Heterogeneous Networks about?

The unmanned aerial vehicles (UAVs) serving as the aerial base stations (ABSs) has emerged as a promising approach to improve the coverage and capacity in the 5G network. In this article, cache-enabled vertical heterogeneous network (VHetNet) is analyzed with the aid of the stochastic geometry approach. The cache-enabled VHetNet framework consisting of ABSs equipped with caches and terrestrial base station (TBSs) is proposed. In the proposed framework, the probabilistic caching strategy is adopted for ABSs and the content-centric association scheme is designed within the cache area with the cache serving radius. Based on the proposed framework, the system performance in terms of the coverage probability and the average rate are analyzed by ignoring the thermal noise under the general channel model incorporating both line-ofsight (LoS) /non-line-of-sight (NLoS) path loss and Nakagami-m fading. The theoretical analysis is verified via the Monte Carlo simulations and the impact of the network parameters on the system performance is analyzed. The simulation results show that there exits the optimal ABSs density, ABSs altitude and cache serving radius to maximize the system performance.

Who reads Coverage and Rate Analysis of Cache-Enabled Vertical Heterogeneous Networks?

Author

Fan, Congshan; Zhang, Tiankui; Zeng, Zhimin

Publisher

Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers Inc.; Institute of Electrical and Electronics Engineers (IEEE); Research Square (ISSN 2169-3536)

Published

2019

Language

EN

Field

Engineering (Physical Sciences)