Maximum Transmit Power for UE in an LTE Small Cell Uplink

Amir Haider; Seung-Hoon Hwang

doi:10.3390/electronics8070796

journal article Open Access Jul 16, 2019

Maximum Transmit Power for UE in an LTE Small Cell Uplink

Amir Haider

Seung-Hoon Hwang

Electronics Vol. 8 No. 7 pp. 796 · MDPI AG

View at Publisher Save 10.3390/electronics8070796

Abstract

To furnish the network with small cells, it is vital to consider parameters like cell size, interference in the network, and deployment strategies to maximize the network’s performance gains expected from small cells. With a small cell network, it is critical to analyze the impact of the uplink power control parameters on the network’s performance. In particular, the maximum transmit power (Pmax) for user equipment (UE) needs to be revisited for small cells, since it is a major contributor towards interference. In this work, the network performance was evaluated for different Pmax values for the small cell uplink. Various deployment scenarios for furnishing the existing macro layer in LTE networks with small cells were considered. The Pmax limit for a small cell uplink was evaluated for both homogenous small cell and heterogeneous networks (HetNet). The numerical results showed that it would be appropriate to adopt Pmax = 18 dBm in uniformly distributed small cells rather than Pmax = 23 dBm, as in macro environments. The choice of Pmax = 18 dBm was further validated for three HetNet deployment scenarios. A decrease of 0.52 dBm and an increase of 0.03 dBm and 3.29 dBm in the proposed Pmax = 18 dBm were observed for the three HetNet deployments, respectively. Furthermore, we propose that the fractional power control mode can be employed instead of the full compensation mode in small cell uplinks.

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Details

Published: Jul 16, 2019
Vol/Issue: 8(7)
Pages: 796
License: View

Authors

A

Amir Haider

Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul 04620, Korea

S

Seung-Hoon Hwang

Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul 04620, Korea

Cite This Article

Amir Haider, Seung-Hoon Hwang (2019). Maximum Transmit Power for UE in an LTE Small Cell Uplink. Electronics, 8(7), 796. https://doi.org/10.3390/electronics8070796

Maximum Transmit Power for UE in an LTE Small Cell Uplink

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