Impact of Elevated Base Stations on the Ultra-Dense Networks

In this letter, we examine the impact of the elevated base stations (BSs) on the performance of ultra-dense networks (UDNs). To this end, we first model the channel between an elevated BS and typical user equipment as a 3-D probabilistic line-of-sight channel by considering the height of BSs. Using...

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Bibliographic Details
Published in:IEEE communications letters 2018-06, Vol.22 (6), p.1268-1271
Main Authors: Hewon Cho, Chenxi Liu, Jemin Lee, Taegyun Noh, Quek, Tony Q. S.
Format: Article
Language:English
Subjects:
5G mobile communication
Antennas
Base stations
Buildings
Fading channels
Interference
line-of-sight
network interference
non-line-of-sight
Probability density function
stochastic geometry
Ultra-dense network
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Summary:In this letter, we examine the impact of the elevated base stations (BSs) on the performance of ultra-dense networks (UDNs). To this end, we first model the channel between an elevated BS and typical user equipment as a 3-D probabilistic line-of-sight channel by considering the height of BSs. Using stochastic geometry, we then derive the expression for the coverage probability of our considered UDNs. Finally, through numerical results, we show how the coverage probability can be maximized by judiciously selecting the height and the density of BSs. The results reported here provide insights into the deployment of BSs in the UDNs.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2018.2824801